diff --git a/lib/addon-serialize.js b/lib/addon-serialize.js index d669293d06d801ef472d5c2454ce86876e5c321f..b4f77e4976dbe5179d93a44ef919730a828d3331 100644 --- a/lib/addon-serialize.js +++ b/lib/addon-serialize.js @@ -1,2 +1,2 @@ -!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.SerializeAddon=e():t.SerializeAddon=e()}(globalThis,()=>(()=>{"use strict";var t={992(t,e,r){Object.defineProperty(e,"__esModule",{value:!0}),e.DEFAULT_ANSI_COLORS=void 0;const s=r(993);e.DEFAULT_ANSI_COLORS=Object.freeze((()=>{const 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t=o;t0&&!u(this._cursorStyle,this._backgroundCell)&&(this._currentRow+=`[${this._nullCellCount}X`);let r="";if(!e){t-this._firstRow>=this._terminal.rows&&this._buffer.getLine(this._cursorStyleRow)?.getCell(this._cursorStyleCol,this._backgroundCell);const e=this._buffer.getLine(t),s=this._buffer.getLine(t+1);if(s.isWrapped){r="";const i=e.getCell(e.length-1,this._thisRowLastChar),n=e.getCell(e.length-2,this._thisRowLastSecondChar),o=s.getCell(0,this._nextRowFirstChar),l=o.getWidth()>1;let a=!1;if(o.getChars()&&(l?this._nullCellCount<=1:this._nullCellCount<=0)&&((i.getChars()||0===i.getWidth())&&u(i,o)&&(a=!0),l&&(n.getChars()||0===n.getWidth())&&u(i,o)&&u(n,o)&&(a=!0)),!a){if(r="-".repeat(this._nullCellCount+1),r+="",this._nullCellCount>0){r+="";const t=e.length-this._nullCellCount;t>0&&(r+=`[${t}C`),r+=`[${this._nullCellCount}X`,t>0&&(r+=`[${t}D`),r+=""}this._lastContentCursorRow=t+1,this._lastContentCursorCol=0,this._lastCursorRow=t+1,this._lastCursorCol=0}}else r="\r\n",this._lastCursorRow=t+1,this._lastCursorCol=0}this._allRows[this._rowIndex]=this._currentRow,this._allRowSeparators[this._rowIndex++]=r,this._currentRow="",this._nullCellCount=0}_diffStyle(t,e){const r=[];if(f(t,e))return r;const s=!a(t,e),i=!u(t,e),n=!c(t,e);if(s||i||n)if(t.isAttributeDefault())e.isAttributeDefault()||r.push(0);else{if(s){const e=t.getFgColor();t.isFgRGB()?r.push(38,2,e>>>16&255,e>>>8&255,255&e):t.isFgPalette()?e>=16?r.push(38,5,e):r.push(8&e?90+(7&e):30+(7&e)):r.push(39)}if(i){const e=t.getBgColor();t.isBgRGB()?r.push(48,2,e>>>16&255,e>>>8&255,255&e):t.isBgPalette()?e>=16?r.push(48,5,e):r.push(8&e?100+(7&e):40+(7&e)):r.push(49)}if(n){t.isInverse()!==e.isInverse()&&r.push(t.isInverse()?7:27);const s=t.isBold()!==e.isBold(),i=t.isDim()!==e.isDim();if(s||i){const e=s&&!t.isBold()||i&&!t.isDim();e&&r.push(22),t.isBold()&&(s||e)&&r.push(1),t.isDim()&&(i||e)&&r.push(2)}if(h(t,e))t.isUnderline()!==e.isUnderline()&&r.push(t.isUnderline()?4:24);else{const 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e=!!t.isUnderline()||!!t.isStrikethrough()||!!t.isOverline();if(e&&(this._currentRow+=""),this._currentRow+=" ".repeat(t.getWidth()),e){const e=this._diffStyle(t,this._defaultCell);this._currentRow+=`[${e.join(";")}m`}}else this._currentRow+=t.getChars();this._lastContentCursorRow=this._lastCursorRow=r,this._lastContentCursorCol=this._lastCursorCol=s+t.getWidth()}}_serializeString(t){let e=this._allRows.length;this._buffer.length-this._firstRow<=this._terminal.rows&&(e=this._lastContentCursorRow+1-this._firstRow,this._lastCursorCol=this._lastContentCursorCol,this._lastCursorRow=this._lastContentCursorRow);let r="";for(let t=0;t{t>0?r+=`[${t}C`:t<0&&(r+=`[${-t}D`)};(t!==this._lastCursorRow||e!==this._lastCursorCol)&&((s=t-this._lastCursorRow)>0?r+=`[${s}B`:s<0&&(r+=`[${-s}A`),i(e-this._lastCursorCol))}var s;const i=this._terminal._core._inputHandler._curAttrData,n=this._diffStyle(i,this._cursorStyle);return n.length>0&&(r+=`[${n.join(";")}m`),r}}t.SerializeAddon=class{activate(t){this._terminal=t}_serializeBufferByScrollback(t,e,r){const s=e.length,i=void 0===r?s:o(r+t.rows,0,s);return this._serializeBufferByRange(t,e,{start:s-i,end:s-1},!1)}_serializeBufferByRange(t,e,r,s){return new _(e,t).serialize({start:{x:0,y:"number"==typeof r.start?r.start:r.start.line},end:{x:t.cols,y:"number"==typeof r.end?r.end:r.end.line}},s)}_serializeBufferAsHTML(t,e){const r=t.buffer.active,s=new d(r,t,e),i=e.onlySelection??!1,n=e.range;if(n)return s.serialize({start:{x:n.startCol,y:(n.startLine,n.startLine)},end:{x:t.cols,y:(n.endLine,n.endLine)}});if(!i){const i=r.length,n=e.scrollback,l=void 0===n?i:o(n+t.rows,0,i);return s.serialize({start:{x:0,y:i-l},end:{x:t.cols,y:i-1}})}const l=this._terminal?.getSelectionPosition();return void 0!==l?s.serialize({start:{x:l.start.x,y:l.start.y},end:{x:l.end.x,y:l.end.y}}):""}_serializeScrollRegion(t){const e=t._core.buffer,r=e.scrollTop,s=e.scrollBottom;return 0!==r||s!==t.rows-1?`[${r+1};${s+1}r`:""}_serializeModes(t){let e="";const r=t.modes;if(r.applicationCursorKeysMode&&(e+="[?1h"),r.applicationKeypadMode&&(e+="[?66h"),r.bracketedPasteMode&&(e+="[?2004h"),r.insertMode&&(e+=""),r.originMode&&(e+="[?6h"),r.reverseWraparoundMode&&(e+="[?45h"),r.sendFocusMode&&(e+="[?1004h"),!1===r.wraparoundMode&&(e+="[?7l"),"none"!==r.mouseTrackingMode)switch(r.mouseTrackingMode){case"x10":e+="[?9h";break;case"vt200":e+="[?1000h";break;case"drag":e+="[?1002h";break;case"any":e+="[?1003h"}return r.showCursor||(e+="[?25l"),e}serialize(t){if(!this._terminal)throw new Error("Cannot use addon until it has been loaded");let e=t?.range?this._serializeBufferByRange(this._terminal,this._terminal.buffer.normal,t.range,!0):this._serializeBufferByScrollback(this._terminal,this._terminal.buffer.normal,t?.scrollback);return t?.excludeAltBuffer||"alternate"!==this._terminal.buffer.active.type||(e+=`[?1049h${this._serializeBufferByScrollback(this._terminal,this._terminal.buffer.alternate,void 0)}`),t?.excludeModes||(e+=this._serializeModes(this._terminal),e+=this._serializeScrollRegion(this._terminal)),e+=function(t){const e=t._core?._inputHandler?._curAttrData;return e?n(t,i(e)):""}(this._terminal),e}serializeAsHTML(t){if(!this._terminal)throw new Error("Cannot use addon until it has been loaded");return this._serializeBufferAsHTML(this._terminal,t??{})}dispose(){}};class d extends l{constructor(t,r,s){super(t),this._terminal=r,this._options=s,this._currentRow="",this._htmlContent="",r._core._themeService?this._ansiColors=r._core._themeService.colors.ansi:this._ansiColors=e.DEFAULT_ANSI_COLORS}_beforeSerialize(t,e,r){this._htmlContent+="\x3c!--StartFragment--\x3e
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"}_afterSerialize(){this._htmlContent+="
",this._htmlContent+="
\x3c!--EndFragment--\x3e"}_rowEnd(t,e){this._htmlContent+="
"+this._currentRow+"
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webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"SerializeAddon\"] = factory();\n\telse\n\t\troot[\"SerializeAddon\"] = factory();\n})(globalThis, () => {\nreturn ","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColor, ITerminalOptions } from '../common/Types';\nimport { CharData, IBuffer } from '../common/buffer/Types';\nimport { ICoreTerminal } from '../common/CoreTerminal';\nimport { IDisposable, IRenderDimensions as IRenderDimensionsApi, Terminal as ITerminalApi } from '@xterm/xterm';\nimport { channels, css } from '../common/Color';\nimport type { IEvent } from '../common/Event';\n\n/**\n * A portion of the public API that are implemented identially internally and simply passed through.\n */\ntype InternalPassthroughApis = Omit;\n\nexport interface ITerminal extends InternalPassthroughApis, ICoreTerminal {\n screenElement: HTMLElement | undefined;\n browser: IBrowser;\n buffer: IBuffer;\n linkifier: ILinkifier2 | undefined;\n options: Required;\n\n readonly dimensions: IRenderDimensionsApi | undefined;\n\n onBlur: IEvent;\n onFocus: IEvent;\n onDimensionsChange: IEvent;\n onA11yChar: IEvent;\n onA11yTab: IEvent;\n onWillOpen: IEvent;\n}\n\nexport type CustomKeyEventHandler = (event: KeyboardEvent) => boolean;\nexport type CustomWheelEventHandler = (event: WheelEvent) => boolean;\n\nexport type LineData = CharData[];\n\nexport interface ICompositionHelper {\n readonly isComposing: boolean;\n compositionstart(): void;\n compositionupdate(ev: CompositionEvent): void;\n compositionend(): void;\n updateCompositionElements(dontRecurse?: boolean): void;\n keydown(ev: KeyboardEvent): boolean;\n}\n\nexport interface IBrowser {\n isNode: boolean;\n userAgent: string;\n platform: string;\n isFirefox: boolean;\n isMac: boolean;\n isIpad: boolean;\n isIphone: boolean;\n isWindows: boolean;\n}\n\nexport interface IColorSet {\n foreground: IColor;\n background: IColor;\n cursor: IColor;\n cursorAccent: IColor;\n selectionForeground: IColor | undefined;\n selectionBackgroundTransparent: IColor;\n /** The selection blended on top of background. */\n selectionBackgroundOpaque: IColor;\n selectionInactiveBackgroundTransparent: IColor;\n selectionInactiveBackgroundOpaque: IColor;\n scrollbarSliderBackground: IColor;\n scrollbarSliderHoverBackground: IColor;\n scrollbarSliderActiveBackground: IColor;\n overviewRulerBorder: IColor;\n ansi: IColor[];\n /** Maps original colors to colors that respect minimum contrast ratio. */\n contrastCache: IColorContrastCache;\n /** Maps original colors to colors that respect _half_ of the minimum contrast ratio. */\n halfContrastCache: IColorContrastCache;\n}\n\nexport type ReadonlyColorSet = Readonly> & { ansi: Readonly['ansi']> };\n\nexport interface IColorContrastCache {\n clear(): void;\n setCss(bg: number, fg: number, value: string | null): void;\n getCss(bg: number, fg: number): string | null | undefined;\n setColor(bg: number, fg: number, value: IColor | null): void;\n getColor(bg: number, fg: number): IColor | null | undefined;\n}\n\nexport interface IPartialColorSet {\n foreground: IColor;\n background: IColor;\n cursor?: IColor;\n cursorAccent?: IColor;\n selectionBackground?: IColor;\n ansi: IColor[];\n}\n\nexport interface IViewport extends IDisposable {\n scrollBarWidth: number;\n readonly onRequestScrollLines: IEvent<{ amount: number, suppressScrollEvent: boolean }>;\n syncScrollArea(immediate?: boolean, force?: boolean): void;\n getLinesScrolled(ev: WheelEvent): number;\n getBufferElements(startLine: number, endLine?: number): { bufferElements: HTMLElement[], cursorElement?: HTMLElement };\n handleWheel(ev: WheelEvent): boolean;\n handleTouchStart(ev: TouchEvent): void;\n handleTouchMove(ev: TouchEvent): boolean;\n scrollLines(disp: number): void; // todo api name?\n reset(): void;\n}\n\nexport interface ILinkifierEvent {\n x1: number;\n y1: number;\n x2: number;\n y2: number;\n cols: number;\n fg: number | undefined;\n}\n\ninterface ILinkState {\n decorations: ILinkDecorations;\n isHovered: boolean;\n}\nexport interface ILinkWithState {\n link: ILink;\n state?: ILinkState;\n}\n\nexport interface ILinkifier2 extends IDisposable {\n onShowLinkUnderline: IEvent;\n onHideLinkUnderline: IEvent;\n readonly currentLink: ILinkWithState | undefined;\n}\n\nexport interface ILink {\n range: IBufferRange;\n text: string;\n decorations?: ILinkDecorations;\n activate(event: MouseEvent, text: string): void;\n hover?(event: MouseEvent, text: string): void;\n leave?(event: MouseEvent, text: string): void;\n dispose?(): void;\n}\n\nexport interface ILinkDecorations {\n pointerCursor: boolean;\n underline: boolean;\n}\n\nexport interface IBufferRange {\n start: IBufferCellPosition;\n end: IBufferCellPosition;\n}\n\nexport interface IBufferCellPosition {\n x: number;\n y: number;\n}\n\nexport type CharacterJoinerHandler = (text: string) => [number, number][];\n\nexport interface ICharacterJoiner {\n id: number;\n handler: CharacterJoinerHandler;\n}\n\nexport interface IRenderDebouncer extends IDisposable {\n refresh(rowStart: number | undefined, rowEnd: number | undefined, rowCount: number): void;\n}\n\nexport interface IRenderDebouncerWithCallback extends IRenderDebouncer {\n addRefreshCallback(callback: FrameRequestCallback): number;\n}\n\nexport interface IBufferElementProvider {\n provideBufferElements(): DocumentFragment | HTMLElement;\n}\n\n// An IIFE to generate DEFAULT_ANSI_COLORS.\nexport const DEFAULT_ANSI_COLORS = Object.freeze((() => {\n const colors = [\n // dark:\n css.toColor('#2e3436'),\n css.toColor('#cc0000'),\n css.toColor('#4e9a06'),\n css.toColor('#c4a000'),\n css.toColor('#3465a4'),\n css.toColor('#75507b'),\n css.toColor('#06989a'),\n css.toColor('#d3d7cf'),\n // bright:\n css.toColor('#555753'),\n css.toColor('#ef2929'),\n css.toColor('#8ae234'),\n css.toColor('#fce94f'),\n css.toColor('#729fcf'),\n css.toColor('#ad7fa8'),\n css.toColor('#34e2e2'),\n css.toColor('#eeeeec')\n ];\n\n // Fill in the remaining 240 ANSI colors.\n // Generate colors (16-231)\n const v = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff];\n for (let i = 0; i < 216; i++) {\n const r = v[(i / 36) % 6 | 0];\n const g = v[(i / 6) % 6 | 0];\n const b = v[i % 6];\n colors.push({\n css: channels.toCss(r, g, b),\n rgba: channels.toRgba(r, g, b)\n });\n }\n\n // Generate greys (232-255)\n for (let i = 0; i < 24; i++) {\n const c = 8 + i * 10;\n colors.push({\n css: channels.toCss(c, c, c),\n rgba: channels.toRgba(c, c, c)\n });\n }\n\n return colors;\n})());\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColor, IColorRGB } from './Types';\n\nlet $r = 0;\nlet $g = 0;\nlet $b = 0;\nlet $a = 0;\n\nexport const NULL_COLOR: IColor = {\n css: '#00000000',\n rgba: 0\n};\n\n/**\n * Helper functions where the source type is \"channels\" (individual color channels as numbers).\n */\nexport namespace channels {\n export function toCss(r: number, g: number, b: number, a?: number): string {\n if (a !== undefined) {\n return `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}${toPaddedHex(a)}`;\n }\n return `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}`;\n }\n\n export function toRgba(r: number, g: number, b: number, a: number = 0xFF): number {\n // Note: The aggregated number is RGBA32 (BE), thus needs to be converted to ABGR32\n // on LE systems, before it can be used for direct 32-bit buffer writes.\n // >>> 0 forces an unsigned int\n return (r << 24 | g << 16 | b << 8 | a) >>> 0;\n }\n\n export function toColor(r: number, g: number, b: number, a?: number): IColor {\n return {\n css: channels.toCss(r, g, b, a),\n rgba: channels.toRgba(r, g, b, a)\n };\n }\n}\n\n/**\n * Helper functions where the source type is `IColor`.\n */\nexport namespace color {\n export function blend(bg: IColor, fg: IColor): IColor {\n $a = (fg.rgba & 0xFF) / 255;\n if ($a === 1) {\n return {\n css: fg.css,\n rgba: fg.rgba\n };\n }\n const fgR = (fg.rgba >> 24) & 0xFF;\n const fgG = (fg.rgba >> 16) & 0xFF;\n const fgB = (fg.rgba >> 8) & 0xFF;\n const bgR = (bg.rgba >> 24) & 0xFF;\n const bgG = (bg.rgba >> 16) & 0xFF;\n const bgB = (bg.rgba >> 8) & 0xFF;\n $r = bgR + Math.round((fgR - bgR) * $a);\n $g = bgG + Math.round((fgG - bgG) * $a);\n $b = bgB + Math.round((fgB - bgB) * $a);\n const css = channels.toCss($r, $g, $b);\n const rgba = channels.toRgba($r, $g, $b);\n return { css, rgba };\n }\n\n export function isOpaque(color: IColor): boolean {\n return (color.rgba & 0xFF) === 0xFF;\n }\n\n export function ensureContrastRatio(bg: IColor, fg: IColor, ratio: number): IColor | undefined {\n const result = rgba.ensureContrastRatio(bg.rgba, fg.rgba, ratio);\n if (!result) {\n return undefined;\n }\n return channels.toColor(\n (result >> 24 & 0xFF),\n (result >> 16 & 0xFF),\n (result >> 8 & 0xFF)\n );\n }\n\n export function opaque(color: IColor): IColor {\n const rgbaColor = (color.rgba | 0xFF) >>> 0;\n [$r, $g, $b] = rgba.toChannels(rgbaColor);\n return {\n css: channels.toCss($r, $g, $b),\n rgba: rgbaColor\n };\n }\n\n export function opacity(color: IColor, opacity: number): IColor {\n $a = Math.round(opacity * 0xFF);\n [$r, $g, $b] = rgba.toChannels(color.rgba);\n return {\n css: channels.toCss($r, $g, $b, $a),\n rgba: channels.toRgba($r, $g, $b, $a)\n };\n }\n\n export function multiplyOpacity(color: IColor, factor: number): IColor {\n $a = color.rgba & 0xFF;\n return opacity(color, ($a * factor) / 0xFF);\n }\n\n export function toColorRGB(color: IColor): IColorRGB {\n return [(color.rgba >> 24) & 0xFF, (color.rgba >> 16) & 0xFF, (color.rgba >> 8) & 0xFF];\n }\n}\n\n/**\n * Helper functions where the source type is \"css\" (string: '#rgb', '#rgba', '#rrggbb',\n * '#rrggbbaa').\n */\nexport namespace css {\n // Attempt to set get the shared canvas context\n let $ctx: CanvasRenderingContext2D | undefined;\n let $litmusColor: CanvasGradient | undefined;\n try {\n // This is guaranteed to run in the first window, so document should be correct\n const canvas = document.createElement('canvas');\n canvas.width = 1;\n canvas.height = 1;\n const ctx = canvas.getContext('2d', {\n willReadFrequently: true\n });\n if (ctx) {\n $ctx = ctx;\n $ctx.globalCompositeOperation = 'copy';\n $litmusColor = $ctx.createLinearGradient(0, 0, 1, 1);\n }\n }\n catch {\n // noop\n }\n\n /**\n * Converts a css string to an IColor, this should handle all valid CSS color strings and will\n * throw if it's invalid. The ideal format to use is `#rrggbb[aa]` as it's the fastest to parse.\n *\n * Only `#rgb[a]`, `#rrggbb[aa]`, `rgb()` and `rgba()` formats are supported when run in a Node\n * environment.\n */\n export function toColor(css: string): IColor {\n // Formats: #rgb[a] and #rrggbb[aa]\n if (css.match(/#[\\da-f]{3,8}/i)) {\n switch (css.length) {\n case 4: { // #rgb\n $r = parseInt(css.slice(1, 2).repeat(2), 16);\n $g = parseInt(css.slice(2, 3).repeat(2), 16);\n $b = parseInt(css.slice(3, 4).repeat(2), 16);\n return channels.toColor($r, $g, $b);\n }\n case 5: { // #rgba\n $r = parseInt(css.slice(1, 2).repeat(2), 16);\n $g = parseInt(css.slice(2, 3).repeat(2), 16);\n $b = parseInt(css.slice(3, 4).repeat(2), 16);\n $a = parseInt(css.slice(4, 5).repeat(2), 16);\n return channels.toColor($r, $g, $b, $a);\n }\n case 7: // #rrggbb\n return {\n css,\n rgba: (parseInt(css.slice(1), 16) << 8 | 0xFF) >>> 0\n };\n case 9: // #rrggbbaa\n return {\n css,\n rgba: parseInt(css.slice(1), 16) >>> 0\n };\n }\n }\n\n // Formats: rgb() or rgba()\n const rgbaMatch = css.match(/rgba?\\(\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})\\s*(,\\s*(0|1|\\d?\\.(\\d+))\\s*)?\\)/);\n if (rgbaMatch) {\n $r = parseInt(rgbaMatch[1], 10);\n $g = parseInt(rgbaMatch[2], 10);\n $b = parseInt(rgbaMatch[3], 10);\n $a = Math.round((rgbaMatch[5] === undefined ? 1 : parseFloat(rgbaMatch[5])) * 0xFF);\n return channels.toColor($r, $g, $b, $a);\n }\n\n // Handle the \"transparent\" keyword\n if (css === 'transparent') {\n return {\n css: 'transparent',\n rgba: 0x00000000\n };\n }\n\n // Validate the context is available for canvas-based color parsing\n if (!$ctx || !$litmusColor) {\n throw new Error('css.toColor: Unsupported css format');\n }\n\n // Validate the color using canvas fillStyle\n // See https://html.spec.whatwg.org/multipage/canvas.html#fill-and-stroke-styles\n $ctx.fillStyle = $litmusColor;\n $ctx.fillStyle = css;\n if (typeof $ctx.fillStyle !== 'string') {\n throw new Error('css.toColor: Unsupported css format');\n }\n\n $ctx.fillRect(0, 0, 1, 1);\n [$r, $g, $b, $a] = $ctx.getImageData(0, 0, 1, 1).data;\n\n // Validate the color is non-transparent as color hue gets lost when drawn to the canvas\n if ($a !== 0xFF) {\n throw new Error('css.toColor: Unsupported css format');\n }\n\n // Extract the color from the canvas' fillStyle property which exposes the color value in rgba()\n // format\n // See https://html.spec.whatwg.org/multipage/canvas.html#serialisation-of-a-color\n return {\n rgba: channels.toRgba($r, $g, $b, $a),\n css\n };\n }\n}\n\n/**\n * Helper functions where the source type is \"rgb\" (number: 0xrrggbb).\n */\nexport namespace rgb {\n /**\n * Gets the relative luminance of an RGB color, this is useful in determining the contrast ratio\n * between two colors.\n * @param rgb The color to use.\n * @see https://www.w3.org/TR/WCAG20/#relativeluminancedef\n */\n export function relativeLuminance(rgb: number): number {\n return relativeLuminance2(\n (rgb >> 16) & 0xFF,\n (rgb >> 8 ) & 0xFF,\n (rgb ) & 0xFF);\n }\n\n /**\n * Gets the relative luminance of an RGB color, this is useful in determining the contrast ratio\n * between two colors.\n * @param r The red channel (0x00 to 0xFF).\n * @param g The green channel (0x00 to 0xFF).\n * @param b The blue channel (0x00 to 0xFF).\n * @see https://www.w3.org/TR/WCAG20/#relativeluminancedef\n */\n export function relativeLuminance2(r: number, g: number, b: number): number {\n const rs = r / 255;\n const gs = g / 255;\n const bs = b / 255;\n const rr = rs <= 0.03928 ? rs / 12.92 : Math.pow((rs + 0.055) / 1.055, 2.4);\n const rg = gs <= 0.03928 ? gs / 12.92 : Math.pow((gs + 0.055) / 1.055, 2.4);\n const rb = bs <= 0.03928 ? bs / 12.92 : Math.pow((bs + 0.055) / 1.055, 2.4);\n return rr * 0.2126 + rg * 0.7152 + rb * 0.0722;\n }\n}\n\n/**\n * Helper functions where the source type is \"rgba\" (number: 0xrrggbbaa).\n */\nexport namespace rgba {\n export function blend(bg: number, fg: number): number {\n $a = (fg & 0xFF) / 0xFF;\n if ($a === 1) {\n return fg;\n }\n const fgR = (fg >> 24) & 0xFF;\n const fgG = (fg >> 16) & 0xFF;\n const fgB = (fg >> 8) & 0xFF;\n const bgR = (bg >> 24) & 0xFF;\n const bgG = (bg >> 16) & 0xFF;\n const bgB = (bg >> 8) & 0xFF;\n $r = bgR + Math.round((fgR - bgR) * $a);\n $g = bgG + Math.round((fgG - bgG) * $a);\n $b = bgB + Math.round((fgB - bgB) * $a);\n return channels.toRgba($r, $g, $b);\n }\n\n /**\n * Given a foreground color and a background color, either increase or reduce the luminance of the\n * foreground color until the specified contrast ratio is met. If pure white or black is hit\n * without the contrast ratio being met, go the other direction using the background color as the\n * foreground color and take either the first or second result depending on which has the higher\n * contrast ratio.\n *\n * `undefined` will be returned if the contrast ratio is already met.\n *\n * @param bgRgba The background color in rgba format.\n * @param fgRgba The foreground color in rgba format.\n * @param ratio The contrast ratio to achieve.\n */\n export function ensureContrastRatio(bgRgba: number, fgRgba: number, ratio: number): number | undefined {\n const bgL = rgb.relativeLuminance(bgRgba >> 8);\n const fgL = rgb.relativeLuminance(fgRgba >> 8);\n const cr = contrastRatio(bgL, fgL);\n if (cr < ratio) {\n if (fgL < bgL) {\n const resultA = reduceLuminance(bgRgba, fgRgba, ratio);\n const resultARatio = contrastRatio(bgL, rgb.relativeLuminance(resultA >> 8));\n if (resultARatio < ratio) {\n const resultB = increaseLuminance(bgRgba, fgRgba, ratio);\n const resultBRatio = contrastRatio(bgL, rgb.relativeLuminance(resultB >> 8));\n return resultARatio > resultBRatio ? resultA : resultB;\n }\n return resultA;\n }\n const resultA = increaseLuminance(bgRgba, fgRgba, ratio);\n const resultARatio = contrastRatio(bgL, rgb.relativeLuminance(resultA >> 8));\n if (resultARatio < ratio) {\n const resultB = reduceLuminance(bgRgba, fgRgba, ratio);\n const resultBRatio = contrastRatio(bgL, rgb.relativeLuminance(resultB >> 8));\n return resultARatio > resultBRatio ? resultA : resultB;\n }\n return resultA;\n }\n return undefined;\n }\n\n export function reduceLuminance(bgRgba: number, fgRgba: number, ratio: number): number {\n // This is a naive but fast approach to reducing luminance as converting to\n // HSL and back is expensive\n const bgR = (bgRgba >> 24) & 0xFF;\n const bgG = (bgRgba >> 16) & 0xFF;\n const bgB = (bgRgba >> 8) & 0xFF;\n let fgR = (fgRgba >> 24) & 0xFF;\n let fgG = (fgRgba >> 16) & 0xFF;\n let fgB = (fgRgba >> 8) & 0xFF;\n let cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n while (cr < ratio && (fgR > 0 || fgG > 0 || fgB > 0)) {\n // Reduce by 10% until the ratio is hit\n fgR -= Math.max(0, Math.ceil(fgR * 0.1));\n fgG -= Math.max(0, Math.ceil(fgG * 0.1));\n fgB -= Math.max(0, Math.ceil(fgB * 0.1));\n cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n }\n return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;\n }\n\n export function increaseLuminance(bgRgba: number, fgRgba: number, ratio: number): number {\n // This is a naive but fast approach to increasing luminance as converting to\n // HSL and back is expensive\n const bgR = (bgRgba >> 24) & 0xFF;\n const bgG = (bgRgba >> 16) & 0xFF;\n const bgB = (bgRgba >> 8) & 0xFF;\n let fgR = (fgRgba >> 24) & 0xFF;\n let fgG = (fgRgba >> 16) & 0xFF;\n let fgB = (fgRgba >> 8) & 0xFF;\n let cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n while (cr < ratio && (fgR < 0xFF || fgG < 0xFF || fgB < 0xFF)) {\n // Increase by 10% until the ratio is hit\n fgR = Math.min(0xFF, fgR + Math.ceil((255 - fgR) * 0.1));\n fgG = Math.min(0xFF, fgG + Math.ceil((255 - fgG) * 0.1));\n fgB = Math.min(0xFF, fgB + Math.ceil((255 - fgB) * 0.1));\n cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n }\n return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;\n }\n\n export function toChannels(value: number): [number, number, number, number] {\n return [(value >> 24) & 0xFF, (value >> 16) & 0xFF, (value >> 8) & 0xFF, value & 0xFF];\n }\n}\n\nexport function toPaddedHex(c: number): string {\n const s = c.toString(16);\n return s.length < 2 ? '0' + s : s;\n}\n\n/**\n * Gets the contrast ratio between two relative luminance values.\n * @param l1 The first relative luminance.\n * @param l2 The second relative luminance.\n * @see https://www.w3.org/TR/WCAG20/#contrast-ratiodef\n */\nexport function contrastRatio(l1: number, l2: number): number {\n if (l1 < l2) {\n return (l2 + 0.05) / (l1 + 0.05);\n }\n return (l1 + 0.05) / (l2 + 0.05);\n}\n","// The module cache\nvar __webpack_module_cache__ = {};\n\n// The require function\nfunction __webpack_require__(moduleId) {\n\t// Check if module is in cache\n\tvar cachedModule = __webpack_module_cache__[moduleId];\n\tif (cachedModule !== undefined) {\n\t\treturn cachedModule.exports;\n\t}\n\t// Create a new module (and put it into the cache)\n\tvar module = __webpack_module_cache__[moduleId] = {\n\t\t// no module.id needed\n\t\t// no module.loaded needed\n\t\texports: {}\n\t};\n\n\t// Execute the module function\n\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n\n\t// Return the exports of the module\n\treturn module.exports;\n}\n\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n *\n * (EXPERIMENTAL) This Addon is still under development\n */\n\nimport type { IBuffer, IBufferCell, IBufferRange, ITerminalAddon, Terminal } from '@xterm/xterm';\nimport type { IHTMLSerializeOptions, SerializeAddon as ISerializeApi, ISerializeOptions, ISerializeRange } from '@xterm/addon-serialize';\nimport { IColor } from 'common/Types';\nimport { IAttributeData } from 'common/buffer/Types';\nimport { DEFAULT_ANSI_COLORS } from 'browser/Types';\nimport { UnderlineStyle } from 'common/buffer/Constants';\n\nfunction constrain(value: number, low: number, high: number): number {\n return Math.max(low, Math.min(value, high));\n}\n\nfunction escapeHTMLChar(c: string): string {\n switch (c) {\n case '&': return '&';\n case '<': return '<';\n }\n return c;\n}\n\n// TODO: Refine this template class later\nabstract class BaseSerializeHandler {\n constructor(\n protected readonly _buffer: IBuffer\n ) {\n }\n\n public serialize(range: IBufferRange, excludeFinalCursorPosition?: boolean): string {\n // we need two of them to flip between old and new cell\n const cell1 = this._buffer.getNullCell();\n const cell2 = this._buffer.getNullCell();\n let oldCell = cell1;\n\n const startRow = range.start.y;\n const endRow = range.end.y;\n const startColumn = range.start.x;\n const endColumn = range.end.x;\n\n this._beforeSerialize(endRow - startRow, startRow, endRow);\n\n for (let row = startRow; row <= endRow; row++) {\n const line = this._buffer.getLine(row);\n if (line) {\n const startLineColumn = row === range.start.y ? startColumn : 0;\n const endLineColumn = row === range.end.y ? endColumn: line.length;\n for (let col = startLineColumn; col < endLineColumn; col++) {\n const c = line.getCell(col, oldCell === cell1 ? cell2 : cell1);\n if (!c) {\n console.warn(`Can't get cell at row=${row}, col=${col}`);\n continue;\n }\n this._nextCell(c, oldCell, row, col);\n oldCell = c;\n }\n }\n this._rowEnd(row, row === endRow);\n }\n\n this._afterSerialize();\n\n return this._serializeString(excludeFinalCursorPosition);\n }\n\n protected _nextCell(cell: IBufferCell, oldCell: IBufferCell, row: number, col: number): void { }\n protected _rowEnd(row: number, isLastRow: boolean): void { }\n protected _beforeSerialize(rows: number, startRow: number, endRow: number): void { }\n protected _afterSerialize(): void { }\n protected _serializeString(excludeFinalCursorPosition?: boolean): string { return ''; }\n}\n\nfunction equalFg(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n return cell1.getFgColorMode() === cell2.getFgColorMode()\n && cell1.getFgColor() === cell2.getFgColor();\n}\n\nfunction equalBg(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n return cell1.getBgColorMode() === cell2.getBgColorMode()\n && cell1.getBgColor() === cell2.getBgColor();\n}\n\nfunction equalUnderline(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n // If neither cell has underline, consider them equal regardless of internal underline color\n // values\n if (!cell1.isUnderline() && !cell2.isUnderline()) {\n return true;\n }\n if (cell1.getUnderlineStyle() !== cell2.getUnderlineStyle()) {\n return false;\n }\n const cell1Default = cell1.isUnderlineColorDefault();\n const cell2Default = cell2.isUnderlineColorDefault();\n if (cell1Default && cell2Default) {\n return true;\n }\n if (cell1Default !== cell2Default) {\n return false;\n }\n return cell1.getUnderlineColor() === cell2.getUnderlineColor()\n && cell1.getUnderlineColorMode() === cell2.getUnderlineColorMode();\n}\n\nfunction equalFlags(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n return cell1.isInverse() === cell2.isInverse()\n && cell1.isBold() === cell2.isBold()\n && cell1.isUnderline() === cell2.isUnderline()\n && equalUnderline(cell1, cell2)\n && cell1.isOverline() === cell2.isOverline()\n && cell1.isBlink() === cell2.isBlink()\n && cell1.isInvisible() === cell2.isInvisible()\n && cell1.isItalic() === cell2.isItalic()\n && cell1.isDim() === cell2.isDim()\n && cell1.isStrikethrough() === cell2.isStrikethrough();\n}\n\nfunction attributesEquals(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n const cell1AsBufferCell = cell1 as IBufferCell;\n if (typeof cell1AsBufferCell.attributesEquals === 'function') {\n return cell1AsBufferCell.attributesEquals(cell2);\n }\n return equalFg(cell1, cell2)\n && equalBg(cell1, cell2)\n && equalFlags(cell1, cell2);\n}\n\nclass StringSerializeHandler extends BaseSerializeHandler {\n private _rowIndex: number = 0;\n private _allRows: string[] = new Array();\n private _allRowSeparators: string[] = new Array();\n private _currentRow: string = '';\n private _nullCellCount: number = 0;\n\n // we can see a full colored cell and a null cell that only have background the same style\n // but the information isn't preserved by null cell itself\n // so wee need to record it when required.\n private _cursorStyle: IBufferCell = this._buffer.getNullCell();\n\n // where exact the cursor styles comes from\n // because we can't copy the cell directly\n // so we remember where the content comes from instead\n private _cursorStyleRow: number = 0;\n private _cursorStyleCol: number = 0;\n\n // this is a null cell for reference for checking whether background is empty or not\n private _backgroundCell: IBufferCell = this._buffer.getNullCell();\n\n private _firstRow: number = 0;\n private _lastCursorRow: number = 0;\n private _lastCursorCol: number = 0;\n private _lastContentCursorRow: number = 0;\n private _lastContentCursorCol: number = 0;\n\n constructor(\n buffer: IBuffer,\n private readonly _terminal: Terminal\n ) {\n super(buffer);\n }\n\n protected _beforeSerialize(rows: number, start: number, end: number): void {\n this._allRows = new Array(rows);\n this._lastContentCursorRow = start;\n this._lastCursorRow = start;\n this._firstRow = start;\n }\n\n private _thisRowLastChar: IBufferCell = this._buffer.getNullCell();\n private _thisRowLastSecondChar: IBufferCell = this._buffer.getNullCell();\n private _nextRowFirstChar: IBufferCell = this._buffer.getNullCell();\n protected _rowEnd(row: number, isLastRow: boolean): void {\n // if there is colorful empty cell at line end, we must pad it back, or the color block\n // will missing\n if (this._nullCellCount > 0 && !equalBg(this._cursorStyle, this._backgroundCell)) {\n // use clear right to set background.\n this._currentRow += `\\u001b[${this._nullCellCount}X`;\n }\n\n let rowSeparator = '';\n\n // handle row separator\n if (!isLastRow) {\n // Enable BCE\n if (row - this._firstRow >= this._terminal.rows) {\n this._buffer.getLine(this._cursorStyleRow)?.getCell(this._cursorStyleCol, this._backgroundCell);\n }\n\n // Fetch current line\n const currentLine = this._buffer.getLine(row)!;\n // Fetch next line\n const nextLine = this._buffer.getLine(row + 1)!;\n\n if (!nextLine.isWrapped) {\n // just insert the line break\n rowSeparator = '\\r\\n';\n // we sended the enter\n this._lastCursorRow = row + 1;\n this._lastCursorCol = 0;\n } else {\n rowSeparator = '';\n const thisRowLastChar = currentLine.getCell(currentLine.length - 1, this._thisRowLastChar)!;\n const thisRowLastSecondChar = currentLine.getCell(currentLine.length - 2, this._thisRowLastSecondChar)!;\n const nextRowFirstChar = nextLine.getCell(0, this._nextRowFirstChar)!;\n const isNextRowFirstCharDoubleWidth = nextRowFirstChar.getWidth() > 1;\n\n // validate whether this line wrap is ever possible\n // which mean whether cursor can placed at a overflow position (x === row) naturally\n let isValid = false;\n\n if (\n // you must output character to cause overflow, control sequence can't do this\n nextRowFirstChar.getChars() &&\n isNextRowFirstCharDoubleWidth ? this._nullCellCount <= 1 : this._nullCellCount <= 0\n ) {\n if (\n // the last character can't be null,\n // you can't use control sequence to move cursor to (x === row)\n (thisRowLastChar.getChars() || thisRowLastChar.getWidth() === 0) &&\n // change background of the first wrapped cell also affects BCE\n // so we mark it as invalid to simplify the process to determine line separator\n equalBg(thisRowLastChar, nextRowFirstChar)\n ) {\n isValid = true;\n }\n\n if (\n // the second to last character can't be null if the next line starts with CJK,\n // you can't use control sequence to move cursor to (x === row)\n isNextRowFirstCharDoubleWidth &&\n (thisRowLastSecondChar.getChars() || thisRowLastSecondChar.getWidth() === 0) &&\n // change background of the first wrapped cell also affects BCE\n // so we mark it as invalid to simplify the process to determine line separator\n equalBg(thisRowLastChar, nextRowFirstChar) &&\n equalBg(thisRowLastSecondChar, nextRowFirstChar)\n ) {\n isValid = true;\n }\n }\n\n if (!isValid) {\n // force the wrap with magic\n // insert enough character to force the wrap\n rowSeparator = '-'.repeat(this._nullCellCount + 1);\n // move back and erase next line head\n rowSeparator += '\\u001b[1D\\u001b[1X';\n\n if (this._nullCellCount > 0) {\n // do these because we filled the last several null slot, which we shouldn't\n rowSeparator += '\\u001b[A';\n rowSeparator += `\\u001b[${currentLine.length - this._nullCellCount}C`;\n rowSeparator += `\\u001b[${this._nullCellCount}X`;\n rowSeparator += `\\u001b[${currentLine.length - this._nullCellCount}D`;\n rowSeparator += '\\u001b[B';\n }\n\n // This is content and need the be serialized even it is invisible.\n // without this, wrap will be missing from outputs.\n this._lastContentCursorRow = row + 1;\n this._lastContentCursorCol = 0;\n\n // force commit the cursor position\n this._lastCursorRow = row + 1;\n this._lastCursorCol = 0;\n }\n }\n }\n\n this._allRows[this._rowIndex] = this._currentRow;\n this._allRowSeparators[this._rowIndex++] = rowSeparator;\n this._currentRow = '';\n this._nullCellCount = 0;\n }\n\n private _diffStyle(cell: IBufferCell | IAttributeData, oldCell: IBufferCell): number[] {\n const sgrSeq: number[] = [];\n if (attributesEquals(cell, oldCell)) {\n return sgrSeq;\n }\n const fgChanged = !equalFg(cell, oldCell);\n const bgChanged = !equalBg(cell, oldCell);\n const flagsChanged = !equalFlags(cell, oldCell);\n\n if (fgChanged || bgChanged || flagsChanged) {\n if (cell.isAttributeDefault()) {\n if (!oldCell.isAttributeDefault()) {\n sgrSeq.push(0);\n }\n } else {\n if (fgChanged) {\n const color = cell.getFgColor();\n if (cell.isFgRGB()) { sgrSeq.push(38, 2, (color >>> 16) & 0xFF, (color >>> 8) & 0xFF, color & 0xFF); }\n else if (cell.isFgPalette()) {\n if (color >= 16) { sgrSeq.push(38, 5, color); }\n else { sgrSeq.push(color & 8 ? 90 + (color & 7) : 30 + (color & 7)); }\n }\n else { sgrSeq.push(39); }\n }\n if (bgChanged) {\n const color = cell.getBgColor();\n if (cell.isBgRGB()) { sgrSeq.push(48, 2, (color >>> 16) & 0xFF, (color >>> 8) & 0xFF, color & 0xFF); }\n else if (cell.isBgPalette()) {\n if (color >= 16) { sgrSeq.push(48, 5, color); }\n else { sgrSeq.push(color & 8 ? 100 + (color & 7) : 40 + (color & 7)); }\n }\n else { sgrSeq.push(49); }\n }\n if (flagsChanged) {\n if (cell.isInverse() !== oldCell.isInverse()) { sgrSeq.push(cell.isInverse() ? 7 : 27); }\n if (cell.isBold() !== oldCell.isBold()) { sgrSeq.push(cell.isBold() ? 1 : 22); }\n if (!equalUnderline(cell, oldCell)) {\n const style = cell.getUnderlineStyle();\n if (style === UnderlineStyle.NONE) {\n sgrSeq.push(24);\n } else if (style === UnderlineStyle.SINGLE && cell.isUnderlineColorDefault()) {\n sgrSeq.push(4);\n } else {\n // Use SGR 4:X format for underline styles\n sgrSeq.push('4:' + style as unknown as number);\n // Handle underline color\n if (!cell.isUnderlineColorDefault()) {\n const color = cell.getUnderlineColor();\n if (cell.isUnderlineColorRGB()) {\n sgrSeq.push('58:2::' + ((color >>> 16) & 0xFF) + ':' + ((color >>> 8) & 0xFF) + ':' + (color & 0xFF) as unknown as number);\n } else {\n sgrSeq.push('58:5:' + color as unknown as number);\n }\n }\n }\n } else if (cell.isUnderline() !== oldCell.isUnderline()) {\n sgrSeq.push(cell.isUnderline() ? 4 : 24);\n }\n if (cell.isOverline() !== oldCell.isOverline()) { sgrSeq.push(cell.isOverline() ? 53 : 55); }\n if (cell.isBlink() !== oldCell.isBlink()) { sgrSeq.push(cell.isBlink() ? 5 : 25); }\n if (cell.isInvisible() !== oldCell.isInvisible()) { sgrSeq.push(cell.isInvisible() ? 8 : 28); }\n if (cell.isItalic() !== oldCell.isItalic()) { sgrSeq.push(cell.isItalic() ? 3 : 23); }\n if (cell.isDim() !== oldCell.isDim()) { sgrSeq.push(cell.isDim() ? 2 : 22); }\n if (cell.isStrikethrough() !== oldCell.isStrikethrough()) { sgrSeq.push(cell.isStrikethrough() ? 9 : 29); }\n }\n }\n }\n\n return sgrSeq;\n }\n\n protected _nextCell(cell: IBufferCell, oldCell: IBufferCell, row: number, col: number): void {\n // a width 0 cell don't need to be count because it is just a placeholder after a CJK character;\n const isPlaceHolderCell = cell.getWidth() === 0;\n\n if (isPlaceHolderCell) {\n return;\n }\n\n // this cell don't have content\n const isEmptyCell = cell.getChars() === '';\n\n const sgrSeq = this._diffStyle(cell, this._cursorStyle);\n\n // the empty cell style is only assumed to be changed when background changed, because\n // foreground is always 0.\n const styleChanged = isEmptyCell ? !equalBg(this._cursorStyle, cell) : sgrSeq.length > 0;\n\n /**\n * handles style change\n */\n if (styleChanged) {\n // before update the style, we need to fill empty cell back\n if (this._nullCellCount > 0) {\n // use clear right to set background.\n if (!equalBg(this._cursorStyle, this._backgroundCell)) {\n this._currentRow += `\\u001b[${this._nullCellCount}X`;\n }\n // use move right to move cursor.\n this._currentRow += `\\u001b[${this._nullCellCount}C`;\n this._nullCellCount = 0;\n }\n\n this._lastContentCursorRow = this._lastCursorRow = row;\n this._lastContentCursorCol = this._lastCursorCol = col;\n\n this._currentRow += `\\u001b[${sgrSeq.join(';')}m`;\n\n // update the last cursor style\n const line = this._buffer.getLine(row);\n if (line !== undefined) {\n line.getCell(col, this._cursorStyle);\n this._cursorStyleRow = row;\n this._cursorStyleCol = col;\n }\n }\n\n /**\n * handles actual content\n */\n if (isEmptyCell) {\n this._nullCellCount += cell.getWidth();\n } else {\n if (this._nullCellCount > 0) {\n // we can just assume we have same style with previous one here\n // because style change is handled by previous stage\n // use move right when background is empty, use clear right when there is background.\n if (equalBg(this._cursorStyle, this._backgroundCell)) {\n this._currentRow += `\\u001b[${this._nullCellCount}C`;\n } else {\n this._currentRow += `\\u001b[${this._nullCellCount}X`;\n this._currentRow += `\\u001b[${this._nullCellCount}C`;\n }\n this._nullCellCount = 0;\n }\n\n this._currentRow += cell.getChars();\n\n // update cursor\n this._lastContentCursorRow = this._lastCursorRow = row;\n this._lastContentCursorCol = this._lastCursorCol = col + cell.getWidth();\n }\n }\n\n protected _serializeString(excludeFinalCursorPosition: boolean): string {\n let rowEnd = this._allRows.length;\n\n // the fixup is only required for data without scrollback\n // because it will always be placed at last line otherwise\n if (this._buffer.length - this._firstRow <= this._terminal.rows) {\n rowEnd = this._lastContentCursorRow + 1 - this._firstRow;\n this._lastCursorCol = this._lastContentCursorCol;\n this._lastCursorRow = this._lastContentCursorRow;\n }\n\n let content = '';\n\n for (let i = 0; i < rowEnd; i++) {\n content += this._allRows[i];\n if (i + 1 < rowEnd) {\n content += this._allRowSeparators[i];\n }\n }\n\n // restore the cursor\n if (!excludeFinalCursorPosition) {\n const realCursorRow = this._buffer.baseY + this._buffer.cursorY;\n const realCursorCol = this._buffer.cursorX;\n\n const cursorMoved = (realCursorRow !== this._lastCursorRow || realCursorCol !== this._lastCursorCol);\n\n const moveRight = (offset: number): void => {\n if (offset > 0) {\n content += `\\u001b[${offset}C`;\n } else if (offset < 0) {\n content += `\\u001b[${-offset}D`;\n }\n };\n const moveDown = (offset: number): void => {\n if (offset > 0) {\n content += `\\u001b[${offset}B`;\n } else if (offset < 0) {\n content += `\\u001b[${-offset}A`;\n }\n };\n\n if (cursorMoved) {\n moveDown(realCursorRow - this._lastCursorRow);\n moveRight(realCursorCol - this._lastCursorCol);\n }\n }\n\n // Restore the cursor's current style, see https://github.com/xtermjs/xterm.js/issues/3677\n // HACK: Internal API access since it's awkward to expose this in the API and serialize will\n // likely be the only consumer\n const curAttrData: IAttributeData = (this._terminal as any)._core._inputHandler._curAttrData;\n const sgrSeq = this._diffStyle(curAttrData, this._cursorStyle);\n if (sgrSeq.length > 0) {\n content += `\\u001b[${sgrSeq.join(';')}m`;\n }\n\n return content;\n }\n}\n\nexport class SerializeAddon implements ITerminalAddon, ISerializeApi {\n private _terminal: Terminal | undefined;\n\n public activate(terminal: Terminal): void {\n this._terminal = terminal;\n }\n\n private _serializeBufferByScrollback(terminal: Terminal, buffer: IBuffer, scrollback?: number): string {\n const maxRows = buffer.length;\n const correctRows = (scrollback === undefined) ? maxRows : constrain(scrollback + terminal.rows, 0, maxRows);\n return this._serializeBufferByRange(terminal, buffer, {\n start: maxRows - correctRows,\n end: maxRows - 1\n }, false);\n }\n\n private _serializeBufferByRange(terminal: Terminal, buffer: IBuffer, range: ISerializeRange, excludeFinalCursorPosition: boolean): string {\n const handler = new StringSerializeHandler(buffer, terminal);\n return handler.serialize({\n start: { x: 0, y: typeof range.start === 'number' ? range.start : range.start.line },\n end: { x: terminal.cols, y: typeof range.end === 'number' ? range.end : range.end.line }\n }, excludeFinalCursorPosition);\n }\n\n private _serializeBufferAsHTML(terminal: Terminal, options: Partial): string {\n const buffer = terminal.buffer.active;\n const handler = new HTMLSerializeHandler(buffer, terminal, options);\n const onlySelection = options.onlySelection ?? false;\n const range = options.range;\n if (range) {\n return handler.serialize({\n start: { x: range.startCol, y: typeof range.startLine === 'number' ? range.startLine : range.startLine },\n end: { x: terminal.cols, y: typeof range.endLine === 'number' ? range.endLine : range.endLine }\n });\n }\n if (!onlySelection) {\n const maxRows = buffer.length;\n const scrollback = options.scrollback;\n const correctRows = (scrollback === undefined) ? maxRows : constrain(scrollback + terminal.rows, 0, maxRows);\n return handler.serialize({\n start: { x: 0, y: maxRows - correctRows },\n end: { x: terminal.cols, y: maxRows - 1 }\n });\n }\n\n const selection = this._terminal?.getSelectionPosition();\n if (selection !== undefined) {\n return handler.serialize({\n start: { x: selection.start.x, y: selection.start.y },\n end: { x: selection.end.x, y: selection.end.y }\n });\n }\n\n return '';\n }\n\n /**\n * Serializes the scroll region (DECSTBM) if it's not set to the full terminal size.\n * Uses internal API access since scroll region is not exposed in the public API.\n */\n private _serializeScrollRegion(terminal: Terminal): string {\n // HACK: Internal API access since scroll region is not exposed in the public API\n const buffer = (terminal as any)._core.buffer;\n const scrollTop: number = buffer.scrollTop;\n const scrollBottom: number = buffer.scrollBottom;\n\n // Only serialize if scroll region is not the default (full terminal size)\n if (scrollTop !== 0 || scrollBottom !== terminal.rows - 1) {\n // DECSTBM uses 1-based indices: CSI Ps ; Ps r\n return `\\x1b[${scrollTop + 1};${scrollBottom + 1}r`;\n }\n\n return '';\n }\n\n private _serializeModes(terminal: Terminal): string {\n let content = '';\n const modes = terminal.modes;\n\n // Default: false\n if (modes.applicationCursorKeysMode) content += '\\x1b[?1h';\n if (modes.applicationKeypadMode) content += '\\x1b[?66h';\n if (modes.bracketedPasteMode) content += '\\x1b[?2004h';\n if (modes.insertMode) content += '\\x1b[4h';\n if (modes.originMode) content += '\\x1b[?6h';\n if (modes.reverseWraparoundMode) content += '\\x1b[?45h';\n if (modes.sendFocusMode) content += '\\x1b[?1004h';\n // synchronizedOutputMode doesn't need to be serialized as it's a temporary mode\n\n // Default: true\n if (modes.wraparoundMode === false) content += '\\x1b[?7l';\n\n // Default: 'none'\n if (modes.mouseTrackingMode !== 'none') {\n switch (modes.mouseTrackingMode) {\n case 'x10': content += '\\x1b[?9h'; break;\n case 'vt200': content += '\\x1b[?1000h'; break;\n case 'drag': content += '\\x1b[?1002h'; break;\n case 'any': content += '\\x1b[?1003h'; break;\n }\n }\n\n // Cursor visibility (DECTCEM)\n // Default: visible\n if (!modes.showCursor) {\n content += '\\x1b[?25l';\n }\n\n return content;\n }\n\n public serialize(options?: ISerializeOptions): string {\n // TODO: Add combinedData support\n if (!this._terminal) {\n throw new Error('Cannot use addon until it has been loaded');\n }\n\n // Normal buffer\n let content = options?.range\n ? this._serializeBufferByRange(this._terminal, this._terminal.buffer.normal, options.range, true)\n : this._serializeBufferByScrollback(this._terminal, this._terminal.buffer.normal, options?.scrollback);\n\n // Alternate buffer\n if (!options?.excludeAltBuffer) {\n if (this._terminal.buffer.active.type === 'alternate') {\n const alternativeScreenContent = this._serializeBufferByScrollback(this._terminal, this._terminal.buffer.alternate, undefined);\n content += `\\u001b[?1049h\\u001b[H${alternativeScreenContent}`;\n }\n }\n\n // Modes and scroll region\n if (!options?.excludeModes) {\n content += this._serializeModes(this._terminal);\n content += this._serializeScrollRegion(this._terminal);\n }\n\n return content;\n }\n\n public serializeAsHTML(options?: Partial): string {\n if (!this._terminal) {\n throw new Error('Cannot use addon until it has been loaded');\n }\n\n return this._serializeBufferAsHTML(this._terminal, options ?? {});\n }\n\n public dispose(): void { }\n}\n\nexport class HTMLSerializeHandler extends BaseSerializeHandler {\n private _currentRow: string = '';\n\n private _htmlContent = '';\n\n private _ansiColors: Readonly;\n\n constructor(\n buffer: IBuffer,\n private readonly _terminal: Terminal,\n private readonly _options: Partial\n ) {\n super(buffer);\n\n // For xterm headless: fallback to ansi colors\n if ((_terminal as any)._core._themeService) {\n this._ansiColors = (_terminal as any)._core._themeService.colors.ansi;\n }\n else {\n this._ansiColors = DEFAULT_ANSI_COLORS;\n }\n }\n\n protected _beforeSerialize(rows: number, start: number, end: number): void {\n this._htmlContent += '
';\n\n    let foreground = '#000000';\n    let background = '#ffffff';\n    if (this._options.includeGlobalBackground ?? false) {\n      foreground = this._terminal.options.theme?.foreground ?? '#ffffff';\n      background = this._terminal.options.theme?.background ?? '#000000';\n    }\n\n    const globalStyleDefinitions = [];\n    globalStyleDefinitions.push('color: ' + foreground + ';');\n    globalStyleDefinitions.push('background-color: ' + background + ';');\n    globalStyleDefinitions.push('font-family: ' + this._terminal.options.fontFamily + ';');\n    globalStyleDefinitions.push('font-size: ' + this._terminal.options.fontSize + 'px;');\n    this._htmlContent += '
';\n  }\n\n  protected _afterSerialize(): void {\n    this._htmlContent += '
';\n    this._htmlContent += '
';\n }\n\n protected _rowEnd(row: number, isLastRow: boolean): void {\n this._htmlContent += '
' + this._currentRow + '
';\n this._currentRow = '';\n }\n\n private _getHexColor(cell: IBufferCell, isFg: boolean): string | undefined {\n const color = isFg ? cell.getFgColor() : cell.getBgColor();\n if (isFg ? cell.isFgRGB() : cell.isBgRGB()) {\n const rgb = [\n (color >> 16) & 255,\n (color >> 8) & 255,\n (color ) & 255\n ];\n return '#' + rgb.map(x => x.toString(16).padStart(2, '0')).join('');\n }\n if (isFg ? cell.isFgPalette() : cell.isBgPalette()) {\n return this._ansiColors[color].css;\n }\n return undefined;\n }\n\n private _getUnderlineColor(cell: IBufferCell): string | undefined {\n if (cell.isUnderlineColorDefault()) {\n return undefined;\n }\n const color = cell.getUnderlineColor();\n if (cell.isUnderlineColorRGB()) {\n const rgb = [\n (color >> 16) & 255,\n (color >> 8) & 255,\n (color ) & 255\n ];\n return '#' + rgb.map(x => x.toString(16).padStart(2, '0')).join('');\n }\n // Palette color\n return this._ansiColors[color].css;\n }\n\n private _getUnderlineStyle(cell: IBufferCell): string {\n switch (cell.getUnderlineStyle()) {\n case UnderlineStyle.SINGLE:\n return 'underline';\n case UnderlineStyle.DOUBLE:\n return 'underline double';\n case UnderlineStyle.CURLY:\n return 'underline wavy';\n case UnderlineStyle.DOTTED:\n return 'underline dotted';\n case UnderlineStyle.DASHED:\n return 'underline dashed';\n default:\n return 'underline';\n }\n }\n\n private _diffStyle(cell: IBufferCell, oldCell: IBufferCell): string[] | undefined {\n const content: string[] = [];\n\n if (attributesEquals(cell, oldCell)) {\n return undefined;\n }\n\n const fgChanged = !equalFg(cell, oldCell);\n const bgChanged = !equalBg(cell, oldCell);\n const flagsChanged = !equalFlags(cell, oldCell);\n\n if (fgChanged || bgChanged || flagsChanged) {\n const fgHexColor = this._getHexColor(cell, true);\n if (fgHexColor) {\n content.push('color: ' + fgHexColor + ';');\n }\n\n const bgHexColor = this._getHexColor(cell, false);\n if (bgHexColor) {\n content.push('background-color: ' + bgHexColor + ';');\n }\n\n if (cell.isInverse()) { content.push('color: #000000; background-color: #BFBFBF;'); }\n if (cell.isBold()) { content.push('font-weight: bold;'); }\n\n // Handle text-decoration (underline, overline, strikethrough, blink)\n const decorations: string[] = [];\n if (cell.isUnderline()) {\n decorations.push(this._getUnderlineStyle(cell));\n }\n if (cell.isOverline()) {\n decorations.push('overline');\n }\n if (cell.isStrikethrough()) {\n decorations.push('line-through');\n }\n if (cell.isBlink()) {\n decorations.push('blink');\n }\n if (decorations.length > 0) {\n content.push('text-decoration: ' + decorations.join(' ') + ';');\n }\n\n // Handle underline color\n if (cell.isUnderline()) {\n const underlineColor = this._getUnderlineColor(cell);\n if (underlineColor) {\n content.push('text-decoration-color: ' + underlineColor + ';');\n }\n }\n\n if (cell.isInvisible()) { content.push('visibility: hidden;'); }\n if (cell.isItalic()) { content.push('font-style: italic;'); }\n if (cell.isDim()) { content.push('opacity: 0.5;'); }\n\n return content;\n }\n\n return undefined;\n }\n\n protected _nextCell(cell: IBufferCell, oldCell: IBufferCell, row: number, col: number): void {\n // a width 0 cell don't need to be count because it is just a placeholder after a CJK character;\n const isPlaceHolderCell = cell.getWidth() === 0;\n if (isPlaceHolderCell) {\n return;\n }\n\n // this cell don't have content\n const isEmptyCell = cell.getChars() === '';\n\n const styleDefinitions = this._diffStyle(cell, oldCell);\n\n // handles style change\n if (styleDefinitions) {\n this._currentRow += styleDefinitions.length === 0 ?\n '' :\n '';\n }\n\n // handles actual content\n if (isEmptyCell) {\n this._currentRow += ' ';\n } else {\n this._currentRow += escapeHTMLChar(cell.getChars());\n }\n }\n\n protected _serializeString(): string {\n return this._htmlContent;\n 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webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"SerializeAddon\"] = factory();\n\telse\n\t\troot[\"SerializeAddon\"] = factory();\n})(globalThis, () => {\nreturn ","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColor, ITerminalOptions } from '../common/Types';\nimport { CharData, IBuffer } from '../common/buffer/Types';\nimport { ICoreTerminal } from '../common/CoreTerminal';\nimport { IDisposable, IRenderDimensions as IRenderDimensionsApi, Terminal as ITerminalApi } from '@xterm/xterm';\nimport { channels, css } from '../common/Color';\nimport type { IEvent } from '../common/Event';\n\n/**\n * A portion of the public API that are implemented identially internally and simply passed through.\n */\ntype InternalPassthroughApis = Omit;\n\nexport interface ITerminal extends InternalPassthroughApis, ICoreTerminal {\n screenElement: HTMLElement | undefined;\n browser: IBrowser;\n buffer: IBuffer;\n linkifier: ILinkifier2 | undefined;\n options: Required;\n\n readonly dimensions: IRenderDimensionsApi | undefined;\n\n onBlur: IEvent;\n onFocus: IEvent;\n onDimensionsChange: IEvent;\n onA11yChar: IEvent;\n onA11yTab: IEvent;\n onWillOpen: IEvent;\n}\n\nexport type CustomKeyEventHandler = (event: KeyboardEvent) => boolean;\nexport type CustomWheelEventHandler = (event: WheelEvent) => boolean;\n\nexport type LineData = CharData[];\n\nexport interface ICompositionHelper {\n readonly isComposing: boolean;\n compositionstart(): void;\n compositionupdate(ev: CompositionEvent): void;\n compositionend(): void;\n updateCompositionElements(dontRecurse?: boolean): void;\n keydown(ev: KeyboardEvent): boolean;\n}\n\nexport interface IBrowser {\n isNode: boolean;\n userAgent: string;\n platform: string;\n isFirefox: boolean;\n isMac: boolean;\n isIpad: boolean;\n isIphone: boolean;\n isWindows: boolean;\n}\n\nexport interface IColorSet {\n foreground: IColor;\n background: IColor;\n cursor: IColor;\n cursorAccent: IColor;\n selectionForeground: IColor | undefined;\n selectionBackgroundTransparent: IColor;\n /** The selection blended on top of background. */\n selectionBackgroundOpaque: IColor;\n selectionInactiveBackgroundTransparent: IColor;\n selectionInactiveBackgroundOpaque: IColor;\n scrollbarSliderBackground: IColor;\n scrollbarSliderHoverBackground: IColor;\n scrollbarSliderActiveBackground: IColor;\n overviewRulerBorder: IColor;\n ansi: IColor[];\n /** Maps original colors to colors that respect minimum contrast ratio. */\n contrastCache: IColorContrastCache;\n /** Maps original colors to colors that respect _half_ of the minimum contrast ratio. */\n halfContrastCache: IColorContrastCache;\n}\n\nexport type ReadonlyColorSet = Readonly> & { ansi: Readonly['ansi']> };\n\nexport interface IColorContrastCache {\n clear(): void;\n setCss(bg: number, fg: number, value: string | null): void;\n getCss(bg: number, fg: number): string | null | undefined;\n setColor(bg: number, fg: number, value: IColor | null): void;\n getColor(bg: number, fg: number): IColor | null | undefined;\n}\n\nexport interface IPartialColorSet {\n foreground: IColor;\n background: IColor;\n cursor?: IColor;\n cursorAccent?: IColor;\n selectionBackground?: IColor;\n ansi: IColor[];\n}\n\nexport interface IViewport extends IDisposable {\n scrollBarWidth: number;\n readonly onRequestScrollLines: IEvent<{ amount: number, suppressScrollEvent: boolean }>;\n syncScrollArea(immediate?: boolean, force?: boolean): void;\n getLinesScrolled(ev: WheelEvent): number;\n getBufferElements(startLine: number, endLine?: number): { bufferElements: HTMLElement[], cursorElement?: HTMLElement };\n handleWheel(ev: WheelEvent): boolean;\n handleTouchStart(ev: TouchEvent): void;\n handleTouchMove(ev: TouchEvent): boolean;\n scrollLines(disp: number): void; // todo api name?\n reset(): void;\n}\n\nexport interface ILinkifierEvent {\n x1: number;\n y1: number;\n x2: number;\n y2: number;\n cols: number;\n fg: number | undefined;\n}\n\ninterface ILinkState {\n decorations: ILinkDecorations;\n isHovered: boolean;\n}\nexport interface ILinkWithState {\n link: ILink;\n state?: ILinkState;\n}\n\nexport interface ILinkifier2 extends IDisposable {\n onShowLinkUnderline: IEvent;\n onHideLinkUnderline: IEvent;\n readonly currentLink: ILinkWithState | undefined;\n}\n\nexport interface ILink {\n range: IBufferRange;\n text: string;\n decorations?: ILinkDecorations;\n activate(event: MouseEvent, text: string): void;\n hover?(event: MouseEvent, text: string): void;\n leave?(event: MouseEvent, text: string): void;\n dispose?(): void;\n}\n\nexport interface ILinkDecorations {\n pointerCursor: boolean;\n underline: boolean;\n}\n\nexport interface IBufferRange {\n start: IBufferCellPosition;\n end: IBufferCellPosition;\n}\n\nexport interface IBufferCellPosition {\n x: number;\n y: number;\n}\n\nexport type CharacterJoinerHandler = (text: string) => [number, number][];\n\nexport interface ICharacterJoiner {\n id: number;\n handler: CharacterJoinerHandler;\n}\n\nexport interface IRenderDebouncer extends IDisposable {\n refresh(rowStart: number | undefined, rowEnd: number | undefined, rowCount: number): void;\n}\n\nexport interface IRenderDebouncerWithCallback extends IRenderDebouncer {\n addRefreshCallback(callback: FrameRequestCallback): number;\n}\n\nexport interface IBufferElementProvider {\n provideBufferElements(): DocumentFragment | HTMLElement;\n}\n\n// An IIFE to generate DEFAULT_ANSI_COLORS.\nexport const DEFAULT_ANSI_COLORS = Object.freeze((() => {\n const colors = [\n // dark:\n css.toColor('#2e3436'),\n css.toColor('#cc0000'),\n css.toColor('#4e9a06'),\n css.toColor('#c4a000'),\n css.toColor('#3465a4'),\n css.toColor('#75507b'),\n css.toColor('#06989a'),\n css.toColor('#d3d7cf'),\n // bright:\n css.toColor('#555753'),\n css.toColor('#ef2929'),\n css.toColor('#8ae234'),\n css.toColor('#fce94f'),\n css.toColor('#729fcf'),\n css.toColor('#ad7fa8'),\n css.toColor('#34e2e2'),\n css.toColor('#eeeeec')\n ];\n\n // Fill in the remaining 240 ANSI colors.\n // Generate colors (16-231)\n const v = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff];\n for (let i = 0; i < 216; i++) {\n const r = v[(i / 36) % 6 | 0];\n const g = v[(i / 6) % 6 | 0];\n const b = v[i % 6];\n colors.push({\n css: channels.toCss(r, g, b),\n rgba: channels.toRgba(r, g, b)\n });\n }\n\n // Generate greys (232-255)\n for (let i = 0; i < 24; i++) {\n const c = 8 + i * 10;\n colors.push({\n css: channels.toCss(c, c, c),\n rgba: channels.toRgba(c, c, c)\n });\n }\n\n return colors;\n})());\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColor, IColorRGB } from './Types';\n\nlet $r = 0;\nlet $g = 0;\nlet $b = 0;\nlet $a = 0;\n\nexport const NULL_COLOR: IColor = {\n css: '#00000000',\n rgba: 0\n};\n\n/**\n * Helper functions where the source type is \"channels\" (individual color channels as numbers).\n */\nexport namespace channels {\n export function toCss(r: number, g: number, b: number, a?: number): string {\n if (a !== undefined) {\n return `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}${toPaddedHex(a)}`;\n }\n return `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}`;\n }\n\n export function toRgba(r: number, g: number, b: number, a: number = 0xFF): number {\n // Note: The aggregated number is RGBA32 (BE), thus needs to be converted to ABGR32\n // on LE systems, before it can be used for direct 32-bit buffer writes.\n // >>> 0 forces an unsigned int\n return (r << 24 | g << 16 | b << 8 | a) >>> 0;\n }\n\n export function toColor(r: number, g: number, b: number, a?: number): IColor {\n return {\n css: channels.toCss(r, g, b, a),\n rgba: channels.toRgba(r, g, b, a)\n };\n }\n}\n\n/**\n * Helper functions where the source type is `IColor`.\n */\nexport namespace color {\n export function blend(bg: IColor, fg: IColor): IColor {\n $a = (fg.rgba & 0xFF) / 255;\n if ($a === 1) {\n return {\n css: fg.css,\n rgba: fg.rgba\n };\n }\n const fgR = (fg.rgba >> 24) & 0xFF;\n const fgG = (fg.rgba >> 16) & 0xFF;\n const fgB = (fg.rgba >> 8) & 0xFF;\n const bgR = (bg.rgba >> 24) & 0xFF;\n const bgG = (bg.rgba >> 16) & 0xFF;\n const bgB = (bg.rgba >> 8) & 0xFF;\n $r = bgR + Math.round((fgR - bgR) * $a);\n $g = bgG + Math.round((fgG - bgG) * $a);\n $b = bgB + Math.round((fgB - bgB) * $a);\n const css = channels.toCss($r, $g, $b);\n const rgba = channels.toRgba($r, $g, $b);\n return { css, rgba };\n }\n\n export function isOpaque(color: IColor): boolean {\n return (color.rgba & 0xFF) === 0xFF;\n }\n\n export function ensureContrastRatio(bg: IColor, fg: IColor, ratio: number): IColor | undefined {\n const result = rgba.ensureContrastRatio(bg.rgba, fg.rgba, ratio);\n if (!result) {\n return undefined;\n }\n return channels.toColor(\n (result >> 24 & 0xFF),\n (result >> 16 & 0xFF),\n (result >> 8 & 0xFF)\n );\n }\n\n export function opaque(color: IColor): IColor {\n const rgbaColor = (color.rgba | 0xFF) >>> 0;\n [$r, $g, $b] = rgba.toChannels(rgbaColor);\n return {\n css: channels.toCss($r, $g, $b),\n rgba: rgbaColor\n };\n }\n\n export function opacity(color: IColor, opacity: number): IColor {\n $a = Math.round(opacity * 0xFF);\n [$r, $g, $b] = rgba.toChannels(color.rgba);\n return {\n css: channels.toCss($r, $g, $b, $a),\n rgba: channels.toRgba($r, $g, $b, $a)\n };\n }\n\n export function multiplyOpacity(color: IColor, factor: number): IColor {\n $a = color.rgba & 0xFF;\n return opacity(color, ($a * factor) / 0xFF);\n }\n\n export function toColorRGB(color: IColor): IColorRGB {\n return [(color.rgba >> 24) & 0xFF, (color.rgba >> 16) & 0xFF, (color.rgba >> 8) & 0xFF];\n }\n}\n\n/**\n * Helper functions where the source type is \"css\" (string: '#rgb', '#rgba', '#rrggbb',\n * '#rrggbbaa').\n */\nexport namespace css {\n // Attempt to set get the shared canvas context\n let $ctx: CanvasRenderingContext2D | undefined;\n let $litmusColor: CanvasGradient | undefined;\n try {\n // This is guaranteed to run in the first window, so document should be correct\n const canvas = document.createElement('canvas');\n canvas.width = 1;\n canvas.height = 1;\n const ctx = canvas.getContext('2d', {\n willReadFrequently: true\n });\n if (ctx) {\n $ctx = ctx;\n $ctx.globalCompositeOperation = 'copy';\n $litmusColor = $ctx.createLinearGradient(0, 0, 1, 1);\n }\n }\n catch {\n // noop\n }\n\n /**\n * Converts a css string to an IColor, this should handle all valid CSS color strings and will\n * throw if it's invalid. The ideal format to use is `#rrggbb[aa]` as it's the fastest to parse.\n *\n * Only `#rgb[a]`, `#rrggbb[aa]`, `rgb()` and `rgba()` formats are supported when run in a Node\n * environment.\n */\n export function toColor(css: string): IColor {\n // Formats: #rgb[a] and #rrggbb[aa]\n if (css.match(/#[\\da-f]{3,8}/i)) {\n switch (css.length) {\n case 4: { // #rgb\n $r = parseInt(css.slice(1, 2).repeat(2), 16);\n $g = parseInt(css.slice(2, 3).repeat(2), 16);\n $b = parseInt(css.slice(3, 4).repeat(2), 16);\n return channels.toColor($r, $g, $b);\n }\n case 5: { // #rgba\n $r = parseInt(css.slice(1, 2).repeat(2), 16);\n $g = parseInt(css.slice(2, 3).repeat(2), 16);\n $b = parseInt(css.slice(3, 4).repeat(2), 16);\n $a = parseInt(css.slice(4, 5).repeat(2), 16);\n return channels.toColor($r, $g, $b, $a);\n }\n case 7: // #rrggbb\n return {\n css,\n rgba: (parseInt(css.slice(1), 16) << 8 | 0xFF) >>> 0\n };\n case 9: // #rrggbbaa\n return {\n css,\n rgba: parseInt(css.slice(1), 16) >>> 0\n };\n }\n }\n\n // Formats: rgb() or rgba()\n const rgbaMatch = css.match(/rgba?\\(\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})\\s*(,\\s*(0|1|\\d?\\.(\\d+))\\s*)?\\)/);\n if (rgbaMatch) {\n $r = parseInt(rgbaMatch[1], 10);\n $g = parseInt(rgbaMatch[2], 10);\n $b = parseInt(rgbaMatch[3], 10);\n $a = Math.round((rgbaMatch[5] === undefined ? 1 : parseFloat(rgbaMatch[5])) * 0xFF);\n return channels.toColor($r, $g, $b, $a);\n }\n\n // Handle the \"transparent\" keyword\n if (css === 'transparent') {\n return {\n css: 'transparent',\n rgba: 0x00000000\n };\n }\n\n // Validate the context is available for canvas-based color parsing\n if (!$ctx || !$litmusColor) {\n throw new Error('css.toColor: Unsupported css format');\n }\n\n // Validate the color using canvas fillStyle\n // See https://html.spec.whatwg.org/multipage/canvas.html#fill-and-stroke-styles\n $ctx.fillStyle = $litmusColor;\n $ctx.fillStyle = css;\n if (typeof $ctx.fillStyle !== 'string') {\n throw new Error('css.toColor: Unsupported css format');\n }\n\n $ctx.fillRect(0, 0, 1, 1);\n [$r, $g, $b, $a] = $ctx.getImageData(0, 0, 1, 1).data;\n\n // Validate the color is non-transparent as color hue gets lost when drawn to the canvas\n if ($a !== 0xFF) {\n throw new Error('css.toColor: Unsupported css format');\n }\n\n // Extract the color from the canvas' fillStyle property which exposes the color value in rgba()\n // format\n // See https://html.spec.whatwg.org/multipage/canvas.html#serialisation-of-a-color\n return {\n rgba: channels.toRgba($r, $g, $b, $a),\n css\n };\n }\n}\n\n/**\n * Helper functions where the source type is \"rgb\" (number: 0xrrggbb).\n */\nexport namespace rgb {\n /**\n * Gets the relative luminance of an RGB color, this is useful in determining the contrast ratio\n * between two colors.\n * @param rgb The color to use.\n * @see https://www.w3.org/TR/WCAG20/#relativeluminancedef\n */\n export function relativeLuminance(rgb: number): number {\n return relativeLuminance2(\n (rgb >> 16) & 0xFF,\n (rgb >> 8 ) & 0xFF,\n (rgb ) & 0xFF);\n }\n\n /**\n * Gets the relative luminance of an RGB color, this is useful in determining the contrast ratio\n * between two colors.\n * @param r The red channel (0x00 to 0xFF).\n * @param g The green channel (0x00 to 0xFF).\n * @param b The blue channel (0x00 to 0xFF).\n * @see https://www.w3.org/TR/WCAG20/#relativeluminancedef\n */\n export function relativeLuminance2(r: number, g: number, b: number): number {\n const rs = r / 255;\n const gs = g / 255;\n const bs = b / 255;\n const rr = rs <= 0.03928 ? rs / 12.92 : Math.pow((rs + 0.055) / 1.055, 2.4);\n const rg = gs <= 0.03928 ? gs / 12.92 : Math.pow((gs + 0.055) / 1.055, 2.4);\n const rb = bs <= 0.03928 ? bs / 12.92 : Math.pow((bs + 0.055) / 1.055, 2.4);\n return rr * 0.2126 + rg * 0.7152 + rb * 0.0722;\n }\n}\n\n/**\n * Helper functions where the source type is \"rgba\" (number: 0xrrggbbaa).\n */\nexport namespace rgba {\n export function blend(bg: number, fg: number): number {\n $a = (fg & 0xFF) / 0xFF;\n if ($a === 1) {\n return fg;\n }\n const fgR = (fg >> 24) & 0xFF;\n const fgG = (fg >> 16) & 0xFF;\n const fgB = (fg >> 8) & 0xFF;\n const bgR = (bg >> 24) & 0xFF;\n const bgG = (bg >> 16) & 0xFF;\n const bgB = (bg >> 8) & 0xFF;\n $r = bgR + Math.round((fgR - bgR) * $a);\n $g = bgG + Math.round((fgG - bgG) * $a);\n $b = bgB + Math.round((fgB - bgB) * $a);\n return channels.toRgba($r, $g, $b);\n }\n\n /**\n * Given a foreground color and a background color, either increase or reduce the luminance of the\n * foreground color until the specified contrast ratio is met. If pure white or black is hit\n * without the contrast ratio being met, go the other direction using the background color as the\n * foreground color and take either the first or second result depending on which has the higher\n * contrast ratio.\n *\n * `undefined` will be returned if the contrast ratio is already met.\n *\n * @param bgRgba The background color in rgba format.\n * @param fgRgba The foreground color in rgba format.\n * @param ratio The contrast ratio to achieve.\n */\n export function ensureContrastRatio(bgRgba: number, fgRgba: number, ratio: number): number | undefined {\n const bgL = rgb.relativeLuminance(bgRgba >> 8);\n const fgL = rgb.relativeLuminance(fgRgba >> 8);\n const cr = contrastRatio(bgL, fgL);\n if (cr < ratio) {\n if (fgL < bgL) {\n const resultA = reduceLuminance(bgRgba, fgRgba, ratio);\n const resultARatio = contrastRatio(bgL, rgb.relativeLuminance(resultA >> 8));\n if (resultARatio < ratio) {\n const resultB = increaseLuminance(bgRgba, fgRgba, ratio);\n const resultBRatio = contrastRatio(bgL, rgb.relativeLuminance(resultB >> 8));\n return resultARatio > resultBRatio ? resultA : resultB;\n }\n return resultA;\n }\n const resultA = increaseLuminance(bgRgba, fgRgba, ratio);\n const resultARatio = contrastRatio(bgL, rgb.relativeLuminance(resultA >> 8));\n if (resultARatio < ratio) {\n const resultB = reduceLuminance(bgRgba, fgRgba, ratio);\n const resultBRatio = contrastRatio(bgL, rgb.relativeLuminance(resultB >> 8));\n return resultARatio > resultBRatio ? resultA : resultB;\n }\n return resultA;\n }\n return undefined;\n }\n\n export function reduceLuminance(bgRgba: number, fgRgba: number, ratio: number): number {\n // This is a naive but fast approach to reducing luminance as converting to\n // HSL and back is expensive\n const bgR = (bgRgba >> 24) & 0xFF;\n const bgG = (bgRgba >> 16) & 0xFF;\n const bgB = (bgRgba >> 8) & 0xFF;\n let fgR = (fgRgba >> 24) & 0xFF;\n let fgG = (fgRgba >> 16) & 0xFF;\n let fgB = (fgRgba >> 8) & 0xFF;\n let cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n while (cr < ratio && (fgR > 0 || fgG > 0 || fgB > 0)) {\n // Reduce by 10% until the ratio is hit\n fgR -= Math.max(0, Math.ceil(fgR * 0.1));\n fgG -= Math.max(0, Math.ceil(fgG * 0.1));\n fgB -= Math.max(0, Math.ceil(fgB * 0.1));\n cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n }\n return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;\n }\n\n export function increaseLuminance(bgRgba: number, fgRgba: number, ratio: number): number {\n // This is a naive but fast approach to increasing luminance as converting to\n // HSL and back is expensive\n const bgR = (bgRgba >> 24) & 0xFF;\n const bgG = (bgRgba >> 16) & 0xFF;\n const bgB = (bgRgba >> 8) & 0xFF;\n let fgR = (fgRgba >> 24) & 0xFF;\n let fgG = (fgRgba >> 16) & 0xFF;\n let fgB = (fgRgba >> 8) & 0xFF;\n let cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n while (cr < ratio && (fgR < 0xFF || fgG < 0xFF || fgB < 0xFF)) {\n // Increase by 10% until the ratio is hit\n fgR = Math.min(0xFF, fgR + Math.ceil((255 - fgR) * 0.1));\n fgG = Math.min(0xFF, fgG + Math.ceil((255 - fgG) * 0.1));\n fgB = Math.min(0xFF, fgB + Math.ceil((255 - fgB) * 0.1));\n cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n }\n return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;\n }\n\n export function toChannels(value: number): [number, number, number, number] {\n return [(value >> 24) & 0xFF, (value >> 16) & 0xFF, (value >> 8) & 0xFF, value & 0xFF];\n }\n}\n\nexport function toPaddedHex(c: number): string {\n const s = c.toString(16);\n return s.length < 2 ? '0' + s : s;\n}\n\n/**\n * Gets the contrast ratio between two relative luminance values.\n * @param l1 The first relative luminance.\n * @param l2 The second relative luminance.\n * @see https://www.w3.org/TR/WCAG20/#contrast-ratiodef\n */\nexport function contrastRatio(l1: number, l2: number): number {\n if (l1 < l2) {\n return (l2 + 0.05) / (l1 + 0.05);\n }\n return (l1 + 0.05) / (l2 + 0.05);\n}\n","// The module cache\nvar __webpack_module_cache__ = {};\n\n// The require function\nfunction __webpack_require__(moduleId) {\n\t// Check if module is in cache\n\tvar cachedModule = __webpack_module_cache__[moduleId];\n\tif (cachedModule !== undefined) {\n\t\treturn cachedModule.exports;\n\t}\n\t// Create a new module (and put it into the cache)\n\tvar module = __webpack_module_cache__[moduleId] = {\n\t\t// no module.id needed\n\t\t// no module.loaded needed\n\t\texports: {}\n\t};\n\n\t// Execute the module function\n\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n\n\t// Return the exports of the module\n\treturn module.exports;\n}\n\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n *\n * (EXPERIMENTAL) This Addon is still under development\n */\n\nimport type { IBuffer, IBufferCell, IBufferRange, ITerminalAddon, Terminal } from '@xterm/xterm';\nimport type { IHTMLSerializeOptions, SerializeAddon as ISerializeApi, ISerializeOptions, ISerializeRange } from '@xterm/addon-serialize';\nimport { IColor } from 'common/Types';\nimport { IAttributeData } from 'common/buffer/Types';\nimport { DEFAULT_ANSI_COLORS } from 'browser/Types';\nimport { UnderlineStyle } from 'common/buffer/Constants';\n\ntype OscLinkData = { id?: string; uri: string };\ntype OscLinkedCell = { extended?: { urlId?: number } };\ntype TerminalWithOscLinks = Terminal & {\n _core?: {\n _inputHandler?: { _curAttrData?: IAttributeData & OscLinkedCell };\n _oscLinkService?: { getLinkData: (linkId: number) => OscLinkData | undefined };\n };\n};\n\nfunction getOscLinkId(cell: IBufferCell | IAttributeData): number {\n return (cell as typeof cell & OscLinkedCell).extended?.urlId ?? 0;\n}\n\nfunction getOscLinkOpenSequence(terminal: Terminal, linkId: number): string {\n if (!linkId) {\n return '';\n }\n const data = (terminal as TerminalWithOscLinks)._core?._oscLinkService?.getLinkData(linkId);\n if (!data) {\n return '';\n }\n const params = data.id === undefined ? '' : `id=${data.id}`;\n return `\\u001b]8;${params};${data.uri}\\u001b\\\\`;\n}\n\nfunction getActiveOscLinkSequence(terminal: Terminal): string {\n const attrs = (terminal as TerminalWithOscLinks)._core?._inputHandler?._curAttrData;\n return attrs ? getOscLinkOpenSequence(terminal, getOscLinkId(attrs)) : '';\n}\n\nfunction constrain(value: number, low: number, high: number): number {\n return Math.max(low, Math.min(value, high));\n}\n\nfunction escapeHTMLChar(c: string): string {\n switch (c) {\n case '&': return '&';\n case '<': return '<';\n }\n return c;\n}\n\n// TODO: Refine this template class later\nabstract class BaseSerializeHandler {\n constructor(\n protected readonly _buffer: IBuffer\n ) {\n }\n\n public serialize(range: IBufferRange, excludeFinalCursorPosition?: boolean): string {\n // we need two of them to flip between old and new cell\n const cell1 = this._buffer.getNullCell();\n const cell2 = this._buffer.getNullCell();\n let oldCell = cell1;\n\n const startRow = range.start.y;\n const endRow = range.end.y;\n const startColumn = range.start.x;\n const endColumn = range.end.x;\n\n this._beforeSerialize(endRow - startRow, startRow, endRow);\n\n for (let row = startRow; row <= endRow; row++) {\n const line = this._buffer.getLine(row);\n if (line) {\n const startLineColumn = row === range.start.y ? startColumn : 0;\n const endLineColumn = row === range.end.y ? endColumn: line.length;\n for (let col = startLineColumn; col < endLineColumn; col++) {\n const c = line.getCell(col, oldCell === cell1 ? cell2 : cell1);\n if (!c) {\n console.warn(`Can't get cell at row=${row}, col=${col}`);\n continue;\n }\n this._nextCell(c, oldCell, row, col);\n oldCell = c;\n }\n }\n this._rowEnd(row, row === endRow);\n }\n\n this._afterSerialize();\n\n return this._serializeString(excludeFinalCursorPosition);\n }\n\n protected _nextCell(cell: IBufferCell, oldCell: IBufferCell, row: number, col: number): void { }\n protected _rowEnd(row: number, isLastRow: boolean): void { }\n protected _beforeSerialize(rows: number, startRow: number, endRow: number): void { }\n protected _afterSerialize(): void { }\n protected _serializeString(excludeFinalCursorPosition?: boolean): string { return ''; }\n}\n\nfunction equalFg(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n return cell1.getFgColorMode() === cell2.getFgColorMode()\n && cell1.getFgColor() === cell2.getFgColor();\n}\n\nfunction equalBg(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n return cell1.getBgColorMode() === cell2.getBgColorMode()\n && cell1.getBgColor() === cell2.getBgColor();\n}\n\nfunction equalUnderline(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n // If neither cell has underline, consider them equal regardless of internal underline color\n // values\n if (!cell1.isUnderline() && !cell2.isUnderline()) {\n return true;\n }\n if (cell1.getUnderlineStyle() !== cell2.getUnderlineStyle()) {\n return false;\n }\n const cell1Default = cell1.isUnderlineColorDefault();\n const cell2Default = cell2.isUnderlineColorDefault();\n if (cell1Default && cell2Default) {\n return true;\n }\n if (cell1Default !== cell2Default) {\n return false;\n }\n return cell1.getUnderlineColor() === cell2.getUnderlineColor()\n && cell1.getUnderlineColorMode() === cell2.getUnderlineColorMode();\n}\n\nfunction equalFlags(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n return cell1.isInverse() === cell2.isInverse()\n && cell1.isBold() === cell2.isBold()\n && cell1.isUnderline() === cell2.isUnderline()\n && equalUnderline(cell1, cell2)\n && cell1.isOverline() === cell2.isOverline()\n && cell1.isBlink() === cell2.isBlink()\n && cell1.isInvisible() === cell2.isInvisible()\n && cell1.isItalic() === cell2.isItalic()\n && cell1.isDim() === cell2.isDim()\n && cell1.isStrikethrough() === cell2.isStrikethrough();\n}\n\nfunction attributesEquals(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n const cell1AsBufferCell = cell1 as IBufferCell;\n if (typeof cell1AsBufferCell.attributesEquals === 'function') {\n return cell1AsBufferCell.attributesEquals(cell2);\n }\n return equalFg(cell1, cell2)\n && equalBg(cell1, cell2)\n && equalFlags(cell1, cell2);\n}\n\nclass StringSerializeHandler extends BaseSerializeHandler {\n private _rowIndex: number = 0;\n private _allRows: string[] = new Array();\n private _allRowSeparators: string[] = new Array();\n private _currentRow: string = '';\n private _nullCellCount: number = 0;\n\n // we can see a full colored cell and a null cell that only have background the same style\n // but the information isn't preserved by null cell itself\n // so wee need to record it when required.\n private _cursorStyle: IBufferCell = this._buffer.getNullCell();\n\n // where exact the cursor styles comes from\n // because we can't copy the cell directly\n // so we remember where the content comes from instead\n private _cursorStyleRow: number = 0;\n private _cursorStyleCol: number = 0;\n\n // this is a null cell for reference for checking whether background is empty or not\n private _backgroundCell: IBufferCell = this._buffer.getNullCell();\n private _defaultCell: IBufferCell = this._buffer.getNullCell();\n\n private _firstRow: number = 0;\n private _lastCursorRow: number = 0;\n private _lastCursorCol: number = 0;\n private _lastContentCursorRow: number = 0;\n private _lastContentCursorCol: number = 0;\n private _activeOscLinkId: number = 0;\n\n constructor(\n buffer: IBuffer,\n private readonly _terminal: Terminal\n ) {\n super(buffer);\n }\n\n protected _beforeSerialize(rows: number, start: number, end: number): void {\n this._allRows = new Array(rows);\n this._lastContentCursorRow = start;\n this._lastCursorRow = start;\n this._firstRow = start;\n }\n\n private _thisRowLastChar: IBufferCell = this._buffer.getNullCell();\n private _thisRowLastSecondChar: IBufferCell = this._buffer.getNullCell();\n private _nextRowFirstChar: IBufferCell = this._buffer.getNullCell();\n protected _rowEnd(row: number, isLastRow: boolean): void {\n // if there is colorful empty cell at line end, we must pad it back, or the color block\n // will missing\n if (this._nullCellCount > 0 && !equalBg(this._cursorStyle, this._backgroundCell)) {\n // use clear right to set background.\n this._currentRow += `\\u001b[${this._nullCellCount}X`;\n }\n\n let rowSeparator = '';\n\n // handle row separator\n if (!isLastRow) {\n // Enable BCE\n if (row - this._firstRow >= this._terminal.rows) {\n this._buffer.getLine(this._cursorStyleRow)?.getCell(this._cursorStyleCol, this._backgroundCell);\n }\n\n // Fetch current line\n const currentLine = this._buffer.getLine(row)!;\n // Fetch next line\n const nextLine = this._buffer.getLine(row + 1)!;\n\n if (!nextLine.isWrapped) {\n // just insert the line break\n rowSeparator = '\\r\\n';\n // we sended the enter\n this._lastCursorRow = row + 1;\n this._lastCursorCol = 0;\n } else {\n rowSeparator = '';\n const thisRowLastChar = currentLine.getCell(currentLine.length - 1, this._thisRowLastChar)!;\n const thisRowLastSecondChar = currentLine.getCell(currentLine.length - 2, this._thisRowLastSecondChar)!;\n const nextRowFirstChar = nextLine.getCell(0, this._nextRowFirstChar)!;\n const isNextRowFirstCharDoubleWidth = nextRowFirstChar.getWidth() > 1;\n\n // validate whether this line wrap is ever possible\n // which mean whether cursor can placed at a overflow position (x === row) naturally\n let isValid = false;\n\n if (\n // you must output character to cause overflow, control sequence can't do this\n nextRowFirstChar.getChars() &&\n (isNextRowFirstCharDoubleWidth ? this._nullCellCount <= 1 : this._nullCellCount <= 0)\n ) {\n if (\n // the last character can't be null,\n // you can't use control sequence to move cursor to (x === row)\n (thisRowLastChar.getChars() || thisRowLastChar.getWidth() === 0) &&\n // change background of the first wrapped cell also affects BCE\n // so we mark it as invalid to simplify the process to determine line separator\n equalBg(thisRowLastChar, nextRowFirstChar)\n ) {\n isValid = true;\n }\n\n if (\n // the second to last character can't be null if the next line starts with CJK,\n // you can't use control sequence to move cursor to (x === row)\n isNextRowFirstCharDoubleWidth &&\n (thisRowLastSecondChar.getChars() || thisRowLastSecondChar.getWidth() === 0) &&\n // change background of the first wrapped cell also affects BCE\n // so we mark it as invalid to simplify the process to determine line separator\n equalBg(thisRowLastChar, nextRowFirstChar) &&\n equalBg(thisRowLastSecondChar, nextRowFirstChar)\n ) {\n isValid = true;\n }\n }\n\n if (!isValid) {\n // force the wrap with magic\n // insert enough character to force the wrap\n rowSeparator = '-'.repeat(this._nullCellCount + 1);\n // move back and erase next line head\n rowSeparator += '\\u001b[1D\\u001b[1X';\n\n if (this._nullCellCount > 0) {\n // do these because we filled the last several null slot, which we shouldn't\n rowSeparator += '\\u001b[A';\n const contentCellCount = currentLine.length - this._nullCellCount;\n if (contentCellCount > 0) {\n rowSeparator += `\\u001b[${contentCellCount}C`;\n }\n rowSeparator += `\\u001b[${this._nullCellCount}X`;\n if (contentCellCount > 0) {\n rowSeparator += `\\u001b[${contentCellCount}D`;\n }\n rowSeparator += '\\u001b[B';\n }\n\n // This is content and need the be serialized even it is invisible.\n // without this, wrap will be missing from outputs.\n this._lastContentCursorRow = row + 1;\n this._lastContentCursorCol = 0;\n\n // force commit the cursor position\n this._lastCursorRow = row + 1;\n this._lastCursorCol = 0;\n }\n }\n }\n\n this._allRows[this._rowIndex] = this._currentRow;\n this._allRowSeparators[this._rowIndex++] = rowSeparator;\n this._currentRow = '';\n this._nullCellCount = 0;\n }\n\n private _diffStyle(cell: IBufferCell | IAttributeData, oldCell: IBufferCell): number[] {\n const sgrSeq: number[] = [];\n if (attributesEquals(cell, oldCell)) {\n return sgrSeq;\n }\n const fgChanged = !equalFg(cell, oldCell);\n const bgChanged = !equalBg(cell, oldCell);\n const flagsChanged = !equalFlags(cell, oldCell);\n\n if (fgChanged || bgChanged || flagsChanged) {\n if (cell.isAttributeDefault()) {\n if (!oldCell.isAttributeDefault()) {\n sgrSeq.push(0);\n }\n } else {\n if (fgChanged) {\n const color = cell.getFgColor();\n if (cell.isFgRGB()) { sgrSeq.push(38, 2, (color >>> 16) & 0xFF, (color >>> 8) & 0xFF, color & 0xFF); }\n else if (cell.isFgPalette()) {\n if (color >= 16) { sgrSeq.push(38, 5, color); }\n else { sgrSeq.push(color & 8 ? 90 + (color & 7) : 30 + (color & 7)); }\n }\n else { sgrSeq.push(39); }\n }\n if (bgChanged) {\n const color = cell.getBgColor();\n if (cell.isBgRGB()) { sgrSeq.push(48, 2, (color >>> 16) & 0xFF, (color >>> 8) & 0xFF, color & 0xFF); }\n else if (cell.isBgPalette()) {\n if (color >= 16) { sgrSeq.push(48, 5, color); }\n else { sgrSeq.push(color & 8 ? 100 + (color & 7) : 40 + (color & 7)); }\n }\n else { sgrSeq.push(49); }\n }\n if (flagsChanged) {\n if (cell.isInverse() !== oldCell.isInverse()) { sgrSeq.push(cell.isInverse() ? 7 : 27); }\n // PATCH(orca): bold (1) and dim (2) share the single reset param 22, so\n // they must be diffed as one intensity group with the clearing 22 emitted\n // BEFORE any re-set. Upstream's independent per-flag diff could emit\n // \"1;22\" (bold set, then wiped by dim's clear — \\x1b[2mA\\x1b[22m\\x1b[1mB\n // loses B's bold on round-trip) or a bare \"22\" that drops a still-set\n // bold/dim, garbling Orca's hidden-terminal snapshot restores.\n const boldChanged = cell.isBold() !== oldCell.isBold();\n const dimChanged = cell.isDim() !== oldCell.isDim();\n if (boldChanged || dimChanged) {\n const clearsIntensity = (boldChanged && !cell.isBold()) || (dimChanged && !cell.isDim());\n if (clearsIntensity) { sgrSeq.push(22); }\n if (cell.isBold() && (boldChanged || clearsIntensity)) { sgrSeq.push(1); }\n if (cell.isDim() && (dimChanged || clearsIntensity)) { sgrSeq.push(2); }\n }\n if (!equalUnderline(cell, oldCell)) {\n const style = cell.getUnderlineStyle();\n if (style === UnderlineStyle.NONE) {\n sgrSeq.push(24);\n } else if (style === UnderlineStyle.SINGLE && cell.isUnderlineColorDefault()) {\n sgrSeq.push(4);\n } else {\n // Use SGR 4:X format for underline styles\n sgrSeq.push('4:' + style as unknown as number);\n // Handle underline color\n if (!cell.isUnderlineColorDefault()) {\n const color = cell.getUnderlineColor();\n if (cell.isUnderlineColorRGB()) {\n sgrSeq.push('58:2::' + ((color >>> 16) & 0xFF) + ':' + ((color >>> 8) & 0xFF) + ':' + (color & 0xFF) as unknown as number);\n } else {\n sgrSeq.push('58:5:' + color as unknown as number);\n }\n }\n }\n } else if (cell.isUnderline() !== oldCell.isUnderline()) {\n sgrSeq.push(cell.isUnderline() ? 4 : 24);\n }\n if (cell.isOverline() !== oldCell.isOverline()) { sgrSeq.push(cell.isOverline() ? 53 : 55); }\n if (cell.isBlink() !== oldCell.isBlink()) { sgrSeq.push(cell.isBlink() ? 5 : 25); }\n if (cell.isInvisible() !== oldCell.isInvisible()) { sgrSeq.push(cell.isInvisible() ? 8 : 28); }\n if (cell.isItalic() !== oldCell.isItalic()) { sgrSeq.push(cell.isItalic() ? 3 : 23); }\n // PATCH(orca): dim handled in the intensity group above.\n if (cell.isStrikethrough() !== oldCell.isStrikethrough()) { sgrSeq.push(cell.isStrikethrough() ? 9 : 29); }\n }\n }\n }\n\n return sgrSeq;\n }\n\n private _setOscLink(linkId: number): string {\n if (linkId === this._activeOscLinkId) {\n return '';\n }\n let sequence = this._activeOscLinkId ? '\\u001b]8;;\\u001b\\\\' : '';\n this._activeOscLinkId = 0;\n const openSequence = getOscLinkOpenSequence(this._terminal, linkId);\n if (openSequence) {\n this._activeOscLinkId = linkId;\n sequence += openSequence;\n }\n return sequence;\n }\n\n protected _nextCell(cell: IBufferCell, oldCell: IBufferCell, row: number, col: number): void {\n // a width 0 cell don't need to be count because it is just a placeholder after a CJK character;\n const isPlaceHolderCell = cell.getWidth() === 0;\n\n if (isPlaceHolderCell) {\n return;\n }\n\n // this cell don't have content\n const isEmptyCell = cell.getChars() === '';\n const nextLine = isEmptyCell && cell.isInverse() ? this._buffer.getLine(row + 1) : undefined;\n const nextRowFirstCell = nextLine?.getCell(0, this._nextRowFirstChar);\n // A pending wide glyph recreates its own final-column padding during replay.\n const isWideWrapPadding = col === this._terminal.cols - 1 &&\n nextLine?.isWrapped &&\n (nextRowFirstCell?.getWidth() ?? 0) > 1 &&\n !!nextRowFirstCell && attributesEquals(cell, nextRowFirstCell);\n // Cursor movement cannot reproduce an inverse cell's visible background.\n const materializeEmptyCell = isEmptyCell && !!cell.isInverse() && !isWideWrapPadding;\n\n const sgrSeq = this._diffStyle(cell, this._cursorStyle);\n\n const styleChanged = isEmptyCell\n ? materializeEmptyCell ? sgrSeq.length > 0 : !equalBg(this._cursorStyle, cell)\n : sgrSeq.length > 0;\n\n /**\n * handles style change\n */\n if (styleChanged) {\n // before update the style, we need to fill empty cell back\n if (this._nullCellCount > 0) {\n // use clear right to set background.\n if (!equalBg(this._cursorStyle, this._backgroundCell)) {\n this._currentRow += `\\u001b[${this._nullCellCount}X`;\n }\n // use move right to move cursor.\n this._currentRow += `\\u001b[${this._nullCellCount}C`;\n this._nullCellCount = 0;\n }\n\n this._lastContentCursorRow = this._lastCursorRow = row;\n this._lastContentCursorCol = this._lastCursorCol = col;\n\n this._currentRow += `\\u001b[${sgrSeq.join(';')}m`;\n\n // update the last cursor style\n const line = this._buffer.getLine(row);\n if (line !== undefined) {\n line.getCell(col, this._cursorStyle);\n this._cursorStyleRow = row;\n this._cursorStyleCol = col;\n }\n }\n\n /**\n * handles actual content\n */\n if (isEmptyCell && !materializeEmptyCell) {\n this._nullCellCount += cell.getWidth();\n } else {\n if (this._nullCellCount > 0) {\n // we can just assume we have same style with previous one here\n // because style change is handled by previous stage\n // use move right when background is empty, use clear right when there is background.\n if (equalBg(this._cursorStyle, this._backgroundCell)) {\n this._currentRow += `\\u001b[${this._nullCellCount}C`;\n } else {\n this._currentRow += `\\u001b[${this._nullCellCount}X`;\n this._currentRow += `\\u001b[${this._nullCellCount}C`;\n }\n this._nullCellCount = 0;\n }\n\n // PATCH(orca): styling alone leaves restored OSC 8 links looking live but unclickable.\n this._currentRow += this._setOscLink(getOscLinkId(cell));\n\n if (materializeEmptyCell) {\n const hasDecoration = !!cell.isUnderline() || !!cell.isStrikethrough() || !!cell.isOverline();\n if (hasDecoration) {\n this._currentRow += '\\u001b[24;29;55m';\n }\n this._currentRow += ' '.repeat(cell.getWidth());\n if (hasDecoration) {\n const restoreSgrSeq = this._diffStyle(cell, this._defaultCell);\n this._currentRow += `\\u001b[0m\\u001b[${restoreSgrSeq.join(';')}m`;\n }\n } else {\n this._currentRow += cell.getChars();\n }\n\n // update cursor\n this._lastContentCursorRow = this._lastCursorRow = row;\n this._lastContentCursorCol = this._lastCursorCol = col + cell.getWidth();\n }\n }\n\n protected _serializeString(excludeFinalCursorPosition: boolean): string {\n let rowEnd = this._allRows.length;\n\n // the fixup is only required for data without scrollback\n // because it will always be placed at last line otherwise\n if (this._buffer.length - this._firstRow <= this._terminal.rows) {\n rowEnd = this._lastContentCursorRow + 1 - this._firstRow;\n this._lastCursorCol = this._lastContentCursorCol;\n this._lastCursorRow = this._lastContentCursorRow;\n }\n\n let content = '';\n\n for (let i = 0; i < rowEnd; i++) {\n content += this._allRows[i];\n if (i + 1 < rowEnd) {\n content += this._allRowSeparators[i];\n }\n }\n\n // Each buffer is self-contained so links cannot leak into a following buffer.\n content += this._setOscLink(0);\n\n // restore the cursor\n if (!excludeFinalCursorPosition) {\n const realCursorRow = this._buffer.baseY + this._buffer.cursorY;\n const realCursorCol = this._buffer.cursorX;\n\n const cursorMoved = (realCursorRow !== this._lastCursorRow || realCursorCol !== this._lastCursorCol);\n\n const moveRight = (offset: number): void => {\n if (offset > 0) {\n content += `\\u001b[${offset}C`;\n } else if (offset < 0) {\n content += `\\u001b[${-offset}D`;\n }\n };\n const moveDown = (offset: number): void => {\n if (offset > 0) {\n content += `\\u001b[${offset}B`;\n } else if (offset < 0) {\n content += `\\u001b[${-offset}A`;\n }\n };\n\n if (cursorMoved) {\n moveDown(realCursorRow - this._lastCursorRow);\n moveRight(realCursorCol - this._lastCursorCol);\n }\n }\n\n // Restore the cursor's current style, see https://github.com/xtermjs/xterm.js/issues/3677\n // HACK: Internal API access since it's awkward to expose this in the API and serialize will\n // likely be the only consumer\n const curAttrData: IAttributeData = (this._terminal as any)._core._inputHandler._curAttrData;\n const sgrSeq = this._diffStyle(curAttrData, this._cursorStyle);\n if (sgrSeq.length > 0) {\n content += `\\u001b[${sgrSeq.join(';')}m`;\n }\n\n return content;\n }\n}\n\nexport class SerializeAddon implements ITerminalAddon, ISerializeApi {\n private _terminal: Terminal | undefined;\n\n public activate(terminal: Terminal): void {\n this._terminal = terminal;\n }\n\n private _serializeBufferByScrollback(terminal: Terminal, buffer: IBuffer, scrollback?: number): string {\n const maxRows = buffer.length;\n const correctRows = (scrollback === undefined) ? maxRows : constrain(scrollback + terminal.rows, 0, maxRows);\n return this._serializeBufferByRange(terminal, buffer, {\n start: maxRows - correctRows,\n end: maxRows - 1\n }, false);\n }\n\n private _serializeBufferByRange(terminal: Terminal, buffer: IBuffer, range: ISerializeRange, excludeFinalCursorPosition: boolean): string {\n const handler = new StringSerializeHandler(buffer, terminal);\n return handler.serialize({\n start: { x: 0, y: typeof range.start === 'number' ? range.start : range.start.line },\n end: { x: terminal.cols, y: typeof range.end === 'number' ? range.end : range.end.line }\n }, excludeFinalCursorPosition);\n }\n\n private _serializeBufferAsHTML(terminal: Terminal, options: Partial): string {\n const buffer = terminal.buffer.active;\n const handler = new HTMLSerializeHandler(buffer, terminal, options);\n const onlySelection = options.onlySelection ?? false;\n const range = options.range;\n if (range) {\n return handler.serialize({\n start: { x: range.startCol, y: typeof range.startLine === 'number' ? range.startLine : range.startLine },\n end: { x: terminal.cols, y: typeof range.endLine === 'number' ? range.endLine : range.endLine }\n });\n }\n if (!onlySelection) {\n const maxRows = buffer.length;\n const scrollback = options.scrollback;\n const correctRows = (scrollback === undefined) ? maxRows : constrain(scrollback + terminal.rows, 0, maxRows);\n return handler.serialize({\n start: { x: 0, y: maxRows - correctRows },\n end: { x: terminal.cols, y: maxRows - 1 }\n });\n }\n\n const selection = this._terminal?.getSelectionPosition();\n if (selection !== undefined) {\n return handler.serialize({\n start: { x: selection.start.x, y: selection.start.y },\n end: { x: selection.end.x, y: selection.end.y }\n });\n }\n\n return '';\n }\n\n /**\n * Serializes the scroll region (DECSTBM) if it's not set to the full terminal size.\n * Uses internal API access since scroll region is not exposed in the public API.\n */\n private _serializeScrollRegion(terminal: Terminal): string {\n // HACK: Internal API access since scroll region is not exposed in the public API\n const buffer = (terminal as any)._core.buffer;\n const scrollTop: number = buffer.scrollTop;\n const scrollBottom: number = buffer.scrollBottom;\n\n // Only serialize if scroll region is not the default (full terminal size)\n if (scrollTop !== 0 || scrollBottom !== terminal.rows - 1) {\n // DECSTBM uses 1-based indices: CSI Ps ; Ps r\n return `\\x1b[${scrollTop + 1};${scrollBottom + 1}r`;\n }\n\n return '';\n }\n\n private _serializeModes(terminal: Terminal): string {\n let content = '';\n const modes = terminal.modes;\n\n // Default: false\n if (modes.applicationCursorKeysMode) content += '\\x1b[?1h';\n if (modes.applicationKeypadMode) content += '\\x1b[?66h';\n if (modes.bracketedPasteMode) content += '\\x1b[?2004h';\n if (modes.insertMode) content += '\\x1b[4h';\n if (modes.originMode) content += '\\x1b[?6h';\n if (modes.reverseWraparoundMode) content += '\\x1b[?45h';\n if (modes.sendFocusMode) content += '\\x1b[?1004h';\n // synchronizedOutputMode doesn't need to be serialized as it's a temporary mode\n\n // Default: true\n if (modes.wraparoundMode === false) content += '\\x1b[?7l';\n\n // Default: 'none'\n if (modes.mouseTrackingMode !== 'none') {\n switch (modes.mouseTrackingMode) {\n case 'x10': content += '\\x1b[?9h'; break;\n case 'vt200': content += '\\x1b[?1000h'; break;\n case 'drag': content += '\\x1b[?1002h'; break;\n case 'any': content += '\\x1b[?1003h'; break;\n }\n }\n\n // Cursor visibility (DECTCEM)\n // Default: visible\n if (!modes.showCursor) {\n content += '\\x1b[?25l';\n }\n\n return content;\n }\n\n public serialize(options?: ISerializeOptions): string {\n // TODO: Add combinedData support\n if (!this._terminal) {\n throw new Error('Cannot use addon until it has been loaded');\n }\n\n // Normal buffer\n let content = options?.range\n ? this._serializeBufferByRange(this._terminal, this._terminal.buffer.normal, options.range, true)\n : this._serializeBufferByScrollback(this._terminal, this._terminal.buffer.normal, options?.scrollback);\n\n // Alternate buffer\n if (!options?.excludeAltBuffer) {\n if (this._terminal.buffer.active.type === 'alternate') {\n const alternativeScreenContent = this._serializeBufferByScrollback(this._terminal, this._terminal.buffer.alternate, undefined);\n content += `\\u001b[?1049h\\u001b[H${alternativeScreenContent}`;\n }\n }\n\n // Modes and scroll region\n if (!options?.excludeModes) {\n content += this._serializeModes(this._terminal);\n content += this._serializeScrollRegion(this._terminal);\n }\n\n // Restore the source terminal's live OSC pen only after all buffers are complete.\n content += getActiveOscLinkSequence(this._terminal);\n\n return content;\n }\n\n public serializeAsHTML(options?: Partial): string {\n if (!this._terminal) {\n throw new Error('Cannot use addon until it has been loaded');\n }\n\n return this._serializeBufferAsHTML(this._terminal, options ?? {});\n }\n\n public dispose(): void { }\n}\n\nexport class HTMLSerializeHandler extends BaseSerializeHandler {\n private _currentRow: string = '';\n\n private _htmlContent = '';\n\n private _ansiColors: Readonly;\n\n constructor(\n buffer: IBuffer,\n private readonly _terminal: Terminal,\n private readonly _options: Partial\n ) {\n super(buffer);\n\n // For xterm headless: fallback to ansi colors\n if ((_terminal as any)._core._themeService) {\n this._ansiColors = (_terminal as any)._core._themeService.colors.ansi;\n }\n else {\n this._ansiColors = DEFAULT_ANSI_COLORS;\n }\n }\n\n protected _beforeSerialize(rows: number, start: number, end: number): void {\n this._htmlContent += '
';\n\n    let foreground = '#000000';\n    let background = '#ffffff';\n    if (this._options.includeGlobalBackground ?? false) {\n      foreground = this._terminal.options.theme?.foreground ?? '#ffffff';\n      background = this._terminal.options.theme?.background ?? '#000000';\n    }\n\n    const globalStyleDefinitions = [];\n    globalStyleDefinitions.push('color: ' + foreground + ';');\n    globalStyleDefinitions.push('background-color: ' + background + ';');\n    globalStyleDefinitions.push('font-family: ' + this._terminal.options.fontFamily + ';');\n    globalStyleDefinitions.push('font-size: ' + this._terminal.options.fontSize + 'px;');\n    this._htmlContent += '
';\n  }\n\n  protected _afterSerialize(): void {\n    this._htmlContent += '
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0?r.serialize({start:{x:i.start.x,y:i.start.y},end:{x:i.end.x,y:i.end.y}}):""}_serializeScrollRegion(n){let e=n._core.buffer,t=e.scrollTop,r=e.scrollBottom;return t!==0||r!==n.rows-1?`\x1B[${t+1};${r+1}r`:""}_serializeModes(n){let e="",t=n.modes;if(t.applicationCursorKeysMode&&(e+="\x1B[?1h"),t.applicationKeypadMode&&(e+="\x1B[?66h"),t.bracketedPasteMode&&(e+="\x1B[?2004h"),t.insertMode&&(e+="\x1B[4h"),t.originMode&&(e+="\x1B[?6h"),t.reverseWraparoundMode&&(e+="\x1B[?45h"),t.sendFocusMode&&(e+="\x1B[?1004h"),t.wraparoundMode===!1&&(e+="\x1B[?7l"),t.mouseTrackingMode!=="none")switch(t.mouseTrackingMode){case"x10":e+="\x1B[?9h";break;case"vt200":e+="\x1B[?1000h";break;case"drag":e+="\x1B[?1002h";break;case"any":e+="\x1B[?1003h";break}return t.showCursor||(e+="\x1B[?25l"),e}serialize(n){if(!this._terminal)throw new Error("Cannot use addon until it has been loaded");let e=n?.range?this._serializeBufferByRange(this._terminal,this._terminal.buffer.normal,n.range,!0):this._serializeBufferByScrollback(this._terminal,this._terminal.buffer.normal,n?.scrollback);if(!n?.excludeAltBuffer&&this._terminal.buffer.active.type==="alternate"){let t=this._serializeBufferByScrollback(this._terminal,this._terminal.buffer.alternate,void 0);e+=`\x1B[?1049h\x1B[H${t}`}return n?.excludeModes||(e+=this._serializeModes(this._terminal),e+=this._serializeScrollRegion(this._terminal)),e}serializeAsHTML(n){if(!this._terminal)throw new Error("Cannot use addon until it has been loaded");return this._serializeBufferAsHTML(this._terminal,n??{})}dispose(){}},D=class extends S{constructor(e,t,r){super(e);this._terminal=t;this._options=r;this._currentRow="";this._htmlContent="";t._core._themeService?this._ansiColors=t._core._themeService.colors.ansi:this._ansiColors=k}_beforeSerialize(e,t,r){this._htmlContent+="
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"}_afterSerialize(){this._htmlContent+="
",this._htmlContent+="
"}_rowEnd(e,t){this._htmlContent+="
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",this._currentRow=""}_getHexColor(e,t){let r=t?e.getFgColor():e.getBgColor();if(t?e.isFgRGB():e.isBgRGB())return"#"+[r>>16&255,r>>8&255,r&255].map(s=>s.toString(16).padStart(2,"0")).join("");if(t?e.isFgPalette():e.isBgPalette())return this._ansiColors[r].css}_getUnderlineColor(e){if(e.isUnderlineColorDefault())return;let t=e.getUnderlineColor();return e.isUnderlineColorRGB()?"#"+[t>>16&255,t>>8&255,t&255].map(l=>l.toString(16).padStart(2,"0")).join(""):this._ansiColors[t].css}_getUnderlineStyle(e){switch(e.getUnderlineStyle()){case 1:return"underline";case 2:return"underline double";case 3:return"underline wavy";case 4:return"underline dotted";case 5:return"underline dashed";default:return"underline"}}_diffStyle(e,t){let r=[];if(U(e,t))return;let l=!T(e,t),s=!F(e,t),i=!M(e,t);if(l||s||i){let o=this._getHexColor(e,!0);o&&r.push("color: "+o+";");let u=this._getHexColor(e,!1);u&&r.push("background-color: "+u+";"),e.isInverse()&&r.push("color: #000000; background-color: #BFBFBF;"),e.isBold()&&r.push("font-weight: bold;");let f=[];if(e.isUnderline()&&f.push(this._getUnderlineStyle(e)),e.isOverline()&&f.push("overline"),e.isStrikethrough()&&f.push("line-through"),e.isBlink()&&f.push("blink"),f.length>0&&r.push("text-decoration: "+f.join(" ")+";"),e.isUnderline()){let C=this._getUnderlineColor(e);C&&r.push("text-decoration-color: "+C+";")}return e.isInvisible()&&r.push("visibility: hidden;"),e.isItalic()&&r.push("font-style: italic;"),e.isDim()&&r.push("opacity: 0.5;"),r}}_nextCell(e,t,r,l){if(e.getWidth()===0)return;let i=e.getChars()==="",o=this._diffStyle(e,t);o&&(this._currentRow+=o.length===0?"":""),i?this._currentRow+=" ":this._currentRow+=z(e.getChars())}_serializeString(){return this._htmlContent}};export{D as HTMLSerializeHandler,H as SerializeAddon}; +var b=0,_=0,I=0,p=0;var g;(r=>{function s(t,u,a,i){return i!==void 0?`#${L(t)}${L(u)}${L(a)}${L(i)}`:`#${L(t)}${L(u)}${L(a)}`}r.toCss=s;function 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a(o){return[o.rgba>>24&255,o.rgba>>16&255,o.rgba>>8&255]}i.toColorRGB=a})(W||={});var x;(r=>{let s,n;try{let t=document.createElement("canvas");t.width=1,t.height=1;let u=t.getContext("2d",{willReadFrequently:!0});u&&(s=u,s.globalCompositeOperation="copy",n=s.createLinearGradient(0,0,1,1))}catch{}function e(t){if(t.match(/#[\da-f]{3,8}/i))switch(t.length){case 4:return b=parseInt(t.slice(1,2).repeat(2),16),_=parseInt(t.slice(2,3).repeat(2),16),I=parseInt(t.slice(3,4).repeat(2),16),g.toColor(b,_,I);case 5:return b=parseInt(t.slice(1,2).repeat(2),16),_=parseInt(t.slice(2,3).repeat(2),16),I=parseInt(t.slice(3,4).repeat(2),16),p=parseInt(t.slice(4,5).repeat(2),16),g.toColor(b,_,I,p);case 7:return{css:t,rgba:(parseInt(t.slice(1),16)<<8|255)>>>0};case 9:return{css:t,rgba:parseInt(t.slice(1),16)>>>0}}let u=t.match(/rgba?\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*(,\s*(0|1|\d?\.(\d+))\s*)?\)/);if(u)return b=parseInt(u[1],10),_=parseInt(u[2],10),I=parseInt(u[3],10),p=Math.round((u[5]===void 0?1:parseFloat(u[5]))*255),g.toColor(b,_,I,p);if(t==="transparent")return{css:"transparent",rgba:0};if(!s||!n)throw new Error("css.toColor: Unsupported css format");if(s.fillStyle=n,s.fillStyle=t,typeof s.fillStyle!="string")throw new Error("css.toColor: Unsupported css format");if(s.fillRect(0,0,1,1),[b,_,I,p]=s.getImageData(0,0,1,1).data,p!==255)throw new Error("css.toColor: Unsupported css format");return{rgba:g.toRgba(b,_,I,p),css:t}}r.toColor=e})(x||={});var v;(e=>{function s(r){return n(r>>16&255,r>>8&255,r&255)}e.relativeLuminance=s;function n(r,t,u){let a=r/255,i=t/255,o=u/255,l=a<=.03928?a/12.92:Math.pow((a+.055)/1.055,2.4),f=i<=.03928?i/12.92:Math.pow((i+.055)/1.055,2.4),d=o<=.03928?o/12.92:Math.pow((o+.055)/1.055,2.4);return l*.2126+f*.7152+d*.0722}e.relativeLuminance2=n})(v||={});var S;(u=>{function s(a,i){if(p=(i&255)/255,p===1)return i;let 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i=u.getCell(u.length-1,this._thisRowLastChar),o=u.getCell(u.length-2,this._thisRowLastSecondChar),l=a.getCell(0,this._nextRowFirstChar),f=l.getWidth()>1,d=!1;if(l.getChars()&&(f?this._nullCellCount<=1:this._nullCellCount<=0)&&((i.getChars()||i.getWidth()===0)&&F(i,l)&&(d=!0),f&&(o.getChars()||o.getWidth()===0)&&F(i,l)&&F(o,l)&&(d=!0)),!d){if(t="-".repeat(this._nullCellCount+1),t+="\x1B[1D\x1B[1X",this._nullCellCount>0){t+="\x1B[A";let c=u.length-this._nullCellCount;c>0&&(t+=`\x1B[${c}C`),t+=`\x1B[${this._nullCellCount}X`,c>0&&(t+=`\x1B[${c}D`),t+="\x1B[B"}this._lastContentCursorRow=e+1,this._lastContentCursorCol=0,this._lastCursorRow=e+1,this._lastCursorCol=0}}}this._allRows[this._rowIndex]=this._currentRow,this._allRowSeparators[this._rowIndex++]=t,this._currentRow="",this._nullCellCount=0}_diffStyle(e,r){let t=[];if(y(e,r))return t;let u=!T(e,r),a=!F(e,r),i=!M(e,r);if(u||a||i)if(e.isAttributeDefault())r.isAttributeDefault()||t.push(0);else{if(u){let o=e.getFgColor();e.isFgRGB()?t.push(38,2,o>>>16&255,o>>>8&255,o&255):e.isFgPalette()?o>=16?t.push(38,5,o):t.push(o&8?90+(o&7):30+(o&7)):t.push(39)}if(a){let o=e.getBgColor();e.isBgRGB()?t.push(48,2,o>>>16&255,o>>>8&255,o&255):e.isBgPalette()?o>=16?t.push(48,5,o):t.push(o&8?100+(o&7):40+(o&7)):t.push(49)}if(i){e.isInverse()!==r.isInverse()&&t.push(e.isInverse()?7:27);let o=e.isBold()!==r.isBold(),l=e.isDim()!==r.isDim();if(o||l){let f=o&&!e.isBold()||l&&!e.isDim();f&&t.push(22),e.isBold()&&(o||f)&&t.push(1),e.isDim()&&(l||f)&&t.push(2)}if(z(e,r))e.isUnderline()!==r.isUnderline()&&t.push(e.isUnderline()?4:24);else{let f=e.getUnderlineStyle();if(f===0)t.push(24);else if(f===1&&e.isUnderlineColorDefault())t.push(4);else if(t.push("4:"+f),!e.isUnderlineColorDefault()){let d=e.getUnderlineColor();e.isUnderlineColorRGB()?t.push("58:2::"+(d>>>16&255)+":"+(d>>>8&255)+":"+(d&255)):t.push("58:5:"+d)}}e.isOverline()!==r.isOverline()&&t.push(e.isOverline()?53:55),e.isBlink()!==r.isBlink()&&t.push(e.isBlink()?5:25),e.isInvisible()!==r.isInvisible()&&t.push(e.isInvisible()?8:28),e.isItalic()!==r.isItalic()&&t.push(e.isItalic()?3:23),e.isStrikethrough()!==r.isStrikethrough()&&t.push(e.isStrikethrough()?9:29)}}return t}_setOscLink(e){if(e===this._activeOscLinkId)return"";let r=this._activeOscLinkId?"\x1B]8;;\x1B\\":"";this._activeOscLinkId=0;let t=N(this._terminal,e);return t&&(this._activeOscLinkId=e,r+=t),r}_nextCell(e,r,t,u){if(e.getWidth()===0)return;let i=e.getChars()==="",o=i&&e.isInverse()?this._buffer.getLine(t+1):void 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r=this._allRows.length;this._buffer.length-this._firstRow<=this._terminal.rows&&(r=this._lastContentCursorRow+1-this._firstRow,this._lastCursorCol=this._lastContentCursorCol,this._lastCursorRow=this._lastContentCursorRow);let t="";for(let i=0;i{c>0?t+=`\x1B[${c}C`:c<0&&(t+=`\x1B[${-c}D`)};l&&((c=>{c>0?t+=`\x1B[${c}B`:c<0&&(t+=`\x1B[${-c}A`)})(i-this._lastCursorRow),f(o-this._lastCursorCol))}let u=this._terminal._core._inputHandler._curAttrData,a=this._diffStyle(u,this._cursorStyle);return a.length>0&&(t+=`\x1B[${a.join(";")}m`),t}},H=class{activate(n){this._terminal=n}_serializeBufferByScrollback(n,e,r){let t=e.length,u=r===void 0?t:A(r+n.rows,0,t);return this._serializeBufferByRange(n,e,{start:t-u,end:t-1},!1)}_serializeBufferByRange(n,e,r,t){return new D(e,n).serialize({start:{x:0,y:typeof r.start=="number"?r.start:r.start.line},end:{x:n.cols,y:typeof r.end=="number"?r.end:r.end.line}},t)}_serializeBufferAsHTML(n,e){let r=n.buffer.active,t=new k(r,n,e),u=e.onlySelection??!1,a=e.range;if(a)return t.serialize({start:{x:a.startCol,y:(typeof a.startLine=="number",a.startLine)},end:{x:n.cols,y:(typeof a.endLine=="number",a.endLine)}});if(!u){let o=r.length,l=e.scrollback,f=l===void 0?o:A(l+n.rows,0,o);return t.serialize({start:{x:0,y:o-f},end:{x:n.cols,y:o-1}})}let i=this._terminal?.getSelectionPosition();return i!==void 0?t.serialize({start:{x:i.start.x,y:i.start.y},end:{x:i.end.x,y:i.end.y}}):""}_serializeScrollRegion(n){let e=n._core.buffer,r=e.scrollTop,t=e.scrollBottom;return r!==0||t!==n.rows-1?`\x1B[${r+1};${t+1}r`:""}_serializeModes(n){let e="",r=n.modes;if(r.applicationCursorKeysMode&&(e+="\x1B[?1h"),r.applicationKeypadMode&&(e+="\x1B[?66h"),r.bracketedPasteMode&&(e+="\x1B[?2004h"),r.insertMode&&(e+="\x1B[4h"),r.originMode&&(e+="\x1B[?6h"),r.reverseWraparoundMode&&(e+="\x1B[?45h"),r.sendFocusMode&&(e+="\x1B[?1004h"),r.wraparoundMode===!1&&(e+="\x1B[?7l"),r.mouseTrackingMode!=="none")switch(r.mouseTrackingMode){case"x10":e+="\x1B[?9h";break;case"vt200":e+="\x1B[?1000h";break;case"drag":e+="\x1B[?1002h";break;case"any":e+="\x1B[?1003h";break}return r.showCursor||(e+="\x1B[?25l"),e}serialize(n){if(!this._terminal)throw new Error("Cannot use addon until it has been loaded");let e=n?.range?this._serializeBufferByRange(this._terminal,this._terminal.buffer.normal,n.range,!0):this._serializeBufferByScrollback(this._terminal,this._terminal.buffer.normal,n?.scrollback);if(!n?.excludeAltBuffer&&this._terminal.buffer.active.type==="alternate"){let r=this._serializeBufferByScrollback(this._terminal,this._terminal.buffer.alternate,void 0);e+=`\x1B[?1049h\x1B[H${r}`}return n?.excludeModes||(e+=this._serializeModes(this._terminal),e+=this._serializeScrollRegion(this._terminal)),e+=$(this._terminal),e}serializeAsHTML(n){if(!this._terminal)throw new Error("Cannot use addon until it has been loaded");return this._serializeBufferAsHTML(this._terminal,n??{})}dispose(){}},k=class extends B{constructor(e,r,t){super(e);this._terminal=r;this._options=t;this._currentRow="";this._htmlContent="";r._core._themeService?this._ansiColors=r._core._themeService.colors.ansi:this._ansiColors=O}_beforeSerialize(e,r,t){this._htmlContent+="
";let u="#000000",a="#ffffff";(this._options.includeGlobalBackground??!1)&&(u=this._terminal.options.theme?.foreground??"#ffffff",a=this._terminal.options.theme?.background??"#000000");let i=[];i.push("color: "+u+";"),i.push("background-color: "+a+";"),i.push("font-family: "+this._terminal.options.fontFamily+";"),i.push("font-size: "+this._terminal.options.fontSize+"px;"),this._htmlContent+="
"}_afterSerialize(){this._htmlContent+="
",this._htmlContent+="
"}_rowEnd(e,r){this._htmlContent+="
"+this._currentRow+"
",this._currentRow=""}_getHexColor(e,r){let t=r?e.getFgColor():e.getBgColor();if(r?e.isFgRGB():e.isBgRGB())return"#"+[t>>16&255,t>>8&255,t&255].map(a=>a.toString(16).padStart(2,"0")).join("");if(r?e.isFgPalette():e.isBgPalette())return this._ansiColors[t].css}_getUnderlineColor(e){if(e.isUnderlineColorDefault())return;let r=e.getUnderlineColor();return e.isUnderlineColorRGB()?"#"+[r>>16&255,r>>8&255,r&255].map(u=>u.toString(16).padStart(2,"0")).join(""):this._ansiColors[r].css}_getUnderlineStyle(e){switch(e.getUnderlineStyle()){case 1:return"underline";case 2:return"underline double";case 3:return"underline wavy";case 4:return"underline dotted";case 5:return"underline dashed";default:return"underline"}}_diffStyle(e,r){let t=[];if(y(e,r))return;let u=!T(e,r),a=!F(e,r),i=!M(e,r);if(u||a||i){let o=this._getHexColor(e,!0);o&&t.push("color: "+o+";");let l=this._getHexColor(e,!1);l&&t.push("background-color: "+l+";"),e.isInverse()&&t.push("color: #000000; background-color: #BFBFBF;"),e.isBold()&&t.push("font-weight: bold;");let f=[];if(e.isUnderline()&&f.push(this._getUnderlineStyle(e)),e.isOverline()&&f.push("overline"),e.isStrikethrough()&&f.push("line-through"),e.isBlink()&&f.push("blink"),f.length>0&&t.push("text-decoration: "+f.join(" ")+";"),e.isUnderline()){let d=this._getUnderlineColor(e);d&&t.push("text-decoration-color: "+d+";")}return e.isInvisible()&&t.push("visibility: hidden;"),e.isItalic()&&t.push("font-style: italic;"),e.isDim()&&t.push("opacity: 0.5;"),t}}_nextCell(e,r,t,u){if(e.getWidth()===0)return;let i=e.getChars()==="",o=this._diffStyle(e,r);o&&(this._currentRow+=o.length===0?"":""),i?this._currentRow+=" ":this._currentRow+=P(e.getChars())}_serializeString(){return this._htmlContent}};export{k as HTMLSerializeHandler,H as SerializeAddon}; //# sourceMappingURL=addon-serialize.mjs.map diff --git a/lib/addon-serialize.mjs.map b/lib/addon-serialize.mjs.map index e9357c67686de63dd29db518781758345aacdd0f..ea0eb0dac817d0d691fd3b1d5b4a58187430efac 100644 --- a/lib/addon-serialize.mjs.map +++ b/lib/addon-serialize.mjs.map @@ -1,7 +1,7 @@ { "version": 3, "sources": ["../../../src/common/Color.ts", "../../../src/browser/Types.ts", "../src/SerializeAddon.ts"], - "sourcesContent": ["/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColor, IColorRGB } from './Types';\n\nlet $r = 0;\nlet $g = 0;\nlet $b = 0;\nlet $a = 0;\n\nexport const NULL_COLOR: IColor = {\n css: '#00000000',\n rgba: 0\n};\n\n/**\n * Helper functions where the source type is \"channels\" (individual color channels as numbers).\n */\nexport namespace channels {\n export function toCss(r: number, g: number, b: number, a?: number): string {\n if (a !== undefined) {\n return `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}${toPaddedHex(a)}`;\n }\n return `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}`;\n }\n\n export function toRgba(r: number, g: number, b: number, a: number = 0xFF): number {\n // Note: The aggregated number is RGBA32 (BE), thus needs to be converted to ABGR32\n // on LE systems, before it can be used for direct 32-bit buffer writes.\n // >>> 0 forces an unsigned int\n return (r << 24 | g << 16 | b << 8 | a) >>> 0;\n }\n\n export function toColor(r: number, g: number, b: number, a?: number): IColor {\n return {\n css: channels.toCss(r, g, b, a),\n rgba: channels.toRgba(r, g, b, a)\n };\n }\n}\n\n/**\n * Helper functions where the source type is `IColor`.\n */\nexport namespace color {\n export function blend(bg: IColor, fg: IColor): IColor {\n $a = (fg.rgba & 0xFF) / 255;\n if ($a === 1) {\n return {\n css: fg.css,\n rgba: fg.rgba\n };\n }\n const fgR = (fg.rgba >> 24) & 0xFF;\n const fgG = (fg.rgba >> 16) & 0xFF;\n const fgB = (fg.rgba >> 8) & 0xFF;\n const bgR = (bg.rgba >> 24) & 0xFF;\n const bgG = (bg.rgba >> 16) & 0xFF;\n const bgB = (bg.rgba >> 8) & 0xFF;\n $r = bgR + Math.round((fgR - bgR) * $a);\n $g = bgG + Math.round((fgG - bgG) * $a);\n $b = bgB + Math.round((fgB - bgB) * $a);\n const css = channels.toCss($r, $g, $b);\n const rgba = channels.toRgba($r, $g, $b);\n return { css, rgba };\n }\n\n export function isOpaque(color: IColor): boolean {\n return (color.rgba & 0xFF) === 0xFF;\n }\n\n export function ensureContrastRatio(bg: IColor, fg: IColor, ratio: number): IColor | undefined {\n const result = rgba.ensureContrastRatio(bg.rgba, fg.rgba, ratio);\n if (!result) {\n return undefined;\n }\n return channels.toColor(\n (result >> 24 & 0xFF),\n (result >> 16 & 0xFF),\n (result >> 8 & 0xFF)\n );\n }\n\n export function opaque(color: IColor): IColor {\n const rgbaColor = (color.rgba | 0xFF) >>> 0;\n [$r, $g, $b] = rgba.toChannels(rgbaColor);\n return {\n css: channels.toCss($r, $g, $b),\n rgba: rgbaColor\n };\n }\n\n export function opacity(color: IColor, opacity: number): IColor {\n $a = Math.round(opacity * 0xFF);\n [$r, $g, $b] = rgba.toChannels(color.rgba);\n return {\n css: channels.toCss($r, $g, $b, $a),\n rgba: channels.toRgba($r, $g, $b, $a)\n };\n }\n\n export function multiplyOpacity(color: IColor, factor: number): IColor {\n $a = color.rgba & 0xFF;\n return opacity(color, ($a * factor) / 0xFF);\n }\n\n export function toColorRGB(color: IColor): IColorRGB {\n return [(color.rgba >> 24) & 0xFF, (color.rgba >> 16) & 0xFF, (color.rgba >> 8) & 0xFF];\n }\n}\n\n/**\n * Helper functions where the source type is \"css\" (string: '#rgb', '#rgba', '#rrggbb',\n * '#rrggbbaa').\n */\nexport namespace css {\n // Attempt to set get the shared canvas context\n let $ctx: CanvasRenderingContext2D | undefined;\n let $litmusColor: CanvasGradient | undefined;\n try {\n // This is guaranteed to run in the first window, so document should be correct\n const canvas = document.createElement('canvas');\n canvas.width = 1;\n canvas.height = 1;\n const ctx = canvas.getContext('2d', {\n willReadFrequently: true\n });\n if (ctx) {\n $ctx = ctx;\n $ctx.globalCompositeOperation = 'copy';\n $litmusColor = $ctx.createLinearGradient(0, 0, 1, 1);\n }\n }\n catch {\n // noop\n }\n\n /**\n * Converts a css string to an IColor, this should handle all valid CSS color strings and will\n * throw if it's invalid. The ideal format to use is `#rrggbb[aa]` as it's the fastest to parse.\n *\n * Only `#rgb[a]`, `#rrggbb[aa]`, `rgb()` and `rgba()` formats are supported when run in a Node\n * environment.\n */\n export function toColor(css: string): IColor {\n // Formats: #rgb[a] and #rrggbb[aa]\n if (css.match(/#[\\da-f]{3,8}/i)) {\n switch (css.length) {\n case 4: { // #rgb\n $r = parseInt(css.slice(1, 2).repeat(2), 16);\n $g = parseInt(css.slice(2, 3).repeat(2), 16);\n $b = parseInt(css.slice(3, 4).repeat(2), 16);\n return channels.toColor($r, $g, $b);\n }\n case 5: { // #rgba\n $r = parseInt(css.slice(1, 2).repeat(2), 16);\n $g = parseInt(css.slice(2, 3).repeat(2), 16);\n $b = parseInt(css.slice(3, 4).repeat(2), 16);\n $a = parseInt(css.slice(4, 5).repeat(2), 16);\n return channels.toColor($r, $g, $b, $a);\n }\n case 7: // #rrggbb\n return {\n css,\n rgba: (parseInt(css.slice(1), 16) << 8 | 0xFF) >>> 0\n };\n case 9: // #rrggbbaa\n return {\n css,\n rgba: parseInt(css.slice(1), 16) >>> 0\n };\n }\n }\n\n // Formats: rgb() or rgba()\n const rgbaMatch = css.match(/rgba?\\(\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})\\s*(,\\s*(0|1|\\d?\\.(\\d+))\\s*)?\\)/);\n if (rgbaMatch) {\n $r = parseInt(rgbaMatch[1], 10);\n $g = parseInt(rgbaMatch[2], 10);\n $b = parseInt(rgbaMatch[3], 10);\n $a = Math.round((rgbaMatch[5] === undefined ? 1 : parseFloat(rgbaMatch[5])) * 0xFF);\n return channels.toColor($r, $g, $b, $a);\n }\n\n // Handle the \"transparent\" keyword\n if (css === 'transparent') {\n return {\n css: 'transparent',\n rgba: 0x00000000\n };\n }\n\n // Validate the context is available for canvas-based color parsing\n if (!$ctx || !$litmusColor) {\n throw new Error('css.toColor: Unsupported css format');\n }\n\n // Validate the color using canvas fillStyle\n // See https://html.spec.whatwg.org/multipage/canvas.html#fill-and-stroke-styles\n $ctx.fillStyle = $litmusColor;\n $ctx.fillStyle = css;\n if (typeof $ctx.fillStyle !== 'string') {\n throw new Error('css.toColor: Unsupported css format');\n }\n\n $ctx.fillRect(0, 0, 1, 1);\n [$r, $g, $b, $a] = $ctx.getImageData(0, 0, 1, 1).data;\n\n // Validate the color is non-transparent as color hue gets lost when drawn to the canvas\n if ($a !== 0xFF) {\n throw new Error('css.toColor: Unsupported css format');\n }\n\n // Extract the color from the canvas' fillStyle property which exposes the color value in rgba()\n // format\n // See https://html.spec.whatwg.org/multipage/canvas.html#serialisation-of-a-color\n return {\n rgba: channels.toRgba($r, $g, $b, $a),\n css\n };\n }\n}\n\n/**\n * Helper functions where the source type is \"rgb\" (number: 0xrrggbb).\n */\nexport namespace rgb {\n /**\n * Gets the relative luminance of an RGB color, this is useful in determining the contrast ratio\n * between two colors.\n * @param rgb The color to use.\n * @see https://www.w3.org/TR/WCAG20/#relativeluminancedef\n */\n export function relativeLuminance(rgb: number): number {\n return relativeLuminance2(\n (rgb >> 16) & 0xFF,\n (rgb >> 8 ) & 0xFF,\n (rgb ) & 0xFF);\n }\n\n /**\n * Gets the relative luminance of an RGB color, this is useful in determining the contrast ratio\n * between two colors.\n * @param r The red channel (0x00 to 0xFF).\n * @param g The green channel (0x00 to 0xFF).\n * @param b The blue channel (0x00 to 0xFF).\n * @see https://www.w3.org/TR/WCAG20/#relativeluminancedef\n */\n export function relativeLuminance2(r: number, g: number, b: number): number {\n const rs = r / 255;\n const gs = g / 255;\n const bs = b / 255;\n const rr = rs <= 0.03928 ? rs / 12.92 : Math.pow((rs + 0.055) / 1.055, 2.4);\n const rg = gs <= 0.03928 ? gs / 12.92 : Math.pow((gs + 0.055) / 1.055, 2.4);\n const rb = bs <= 0.03928 ? bs / 12.92 : Math.pow((bs + 0.055) / 1.055, 2.4);\n return rr * 0.2126 + rg * 0.7152 + rb * 0.0722;\n }\n}\n\n/**\n * Helper functions where the source type is \"rgba\" (number: 0xrrggbbaa).\n */\nexport namespace rgba {\n export function blend(bg: number, fg: number): number {\n $a = (fg & 0xFF) / 0xFF;\n if ($a === 1) {\n return fg;\n }\n const fgR = (fg >> 24) & 0xFF;\n const fgG = (fg >> 16) & 0xFF;\n const fgB = (fg >> 8) & 0xFF;\n const bgR = (bg >> 24) & 0xFF;\n const bgG = (bg >> 16) & 0xFF;\n const bgB = (bg >> 8) & 0xFF;\n $r = bgR + Math.round((fgR - bgR) * $a);\n $g = bgG + Math.round((fgG - bgG) * $a);\n $b = bgB + Math.round((fgB - bgB) * $a);\n return channels.toRgba($r, $g, $b);\n }\n\n /**\n * Given a foreground color and a background color, either increase or reduce the luminance of the\n * foreground color until the specified contrast ratio is met. If pure white or black is hit\n * without the contrast ratio being met, go the other direction using the background color as the\n * foreground color and take either the first or second result depending on which has the higher\n * contrast ratio.\n *\n * `undefined` will be returned if the contrast ratio is already met.\n *\n * @param bgRgba The background color in rgba format.\n * @param fgRgba The foreground color in rgba format.\n * @param ratio The contrast ratio to achieve.\n */\n export function ensureContrastRatio(bgRgba: number, fgRgba: number, ratio: number): number | undefined {\n const bgL = rgb.relativeLuminance(bgRgba >> 8);\n const fgL = rgb.relativeLuminance(fgRgba >> 8);\n const cr = contrastRatio(bgL, fgL);\n if (cr < ratio) {\n if (fgL < bgL) {\n const resultA = reduceLuminance(bgRgba, fgRgba, ratio);\n const resultARatio = contrastRatio(bgL, rgb.relativeLuminance(resultA >> 8));\n if (resultARatio < ratio) {\n const resultB = increaseLuminance(bgRgba, fgRgba, ratio);\n const resultBRatio = contrastRatio(bgL, rgb.relativeLuminance(resultB >> 8));\n return resultARatio > resultBRatio ? resultA : resultB;\n }\n return resultA;\n }\n const resultA = increaseLuminance(bgRgba, fgRgba, ratio);\n const resultARatio = contrastRatio(bgL, rgb.relativeLuminance(resultA >> 8));\n if (resultARatio < ratio) {\n const resultB = reduceLuminance(bgRgba, fgRgba, ratio);\n const resultBRatio = contrastRatio(bgL, rgb.relativeLuminance(resultB >> 8));\n return resultARatio > resultBRatio ? resultA : resultB;\n }\n return resultA;\n }\n return undefined;\n }\n\n export function reduceLuminance(bgRgba: number, fgRgba: number, ratio: number): number {\n // This is a naive but fast approach to reducing luminance as converting to\n // HSL and back is expensive\n const bgR = (bgRgba >> 24) & 0xFF;\n const bgG = (bgRgba >> 16) & 0xFF;\n const bgB = (bgRgba >> 8) & 0xFF;\n let fgR = (fgRgba >> 24) & 0xFF;\n let fgG = (fgRgba >> 16) & 0xFF;\n let fgB = (fgRgba >> 8) & 0xFF;\n let cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n while (cr < ratio && (fgR > 0 || fgG > 0 || fgB > 0)) {\n // Reduce by 10% until the ratio is hit\n fgR -= Math.max(0, Math.ceil(fgR * 0.1));\n fgG -= Math.max(0, Math.ceil(fgG * 0.1));\n fgB -= Math.max(0, Math.ceil(fgB * 0.1));\n cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n }\n return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;\n }\n\n export function increaseLuminance(bgRgba: number, fgRgba: number, ratio: number): number {\n // This is a naive but fast approach to increasing luminance as converting to\n // HSL and back is expensive\n const bgR = (bgRgba >> 24) & 0xFF;\n const bgG = (bgRgba >> 16) & 0xFF;\n const bgB = (bgRgba >> 8) & 0xFF;\n let fgR = (fgRgba >> 24) & 0xFF;\n let fgG = (fgRgba >> 16) & 0xFF;\n let fgB = (fgRgba >> 8) & 0xFF;\n let cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n while (cr < ratio && (fgR < 0xFF || fgG < 0xFF || fgB < 0xFF)) {\n // Increase by 10% until the ratio is hit\n fgR = Math.min(0xFF, fgR + Math.ceil((255 - fgR) * 0.1));\n fgG = Math.min(0xFF, fgG + Math.ceil((255 - fgG) * 0.1));\n fgB = Math.min(0xFF, fgB + Math.ceil((255 - fgB) * 0.1));\n cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n }\n return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;\n }\n\n export function toChannels(value: number): [number, number, number, number] {\n return [(value >> 24) & 0xFF, (value >> 16) & 0xFF, (value >> 8) & 0xFF, value & 0xFF];\n }\n}\n\nexport function toPaddedHex(c: number): string {\n const s = c.toString(16);\n return s.length < 2 ? '0' + s : s;\n}\n\n/**\n * Gets the contrast ratio between two relative luminance values.\n * @param l1 The first relative luminance.\n * @param l2 The second relative luminance.\n * @see https://www.w3.org/TR/WCAG20/#contrast-ratiodef\n */\nexport function contrastRatio(l1: number, l2: number): number {\n if (l1 < l2) {\n return (l2 + 0.05) / (l1 + 0.05);\n }\n return (l1 + 0.05) / (l2 + 0.05);\n}\n", "/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColor, ITerminalOptions } from '../common/Types';\nimport { CharData, IBuffer } from '../common/buffer/Types';\nimport { ICoreTerminal } from '../common/CoreTerminal';\nimport { IDisposable, IRenderDimensions as IRenderDimensionsApi, Terminal as ITerminalApi } from '@xterm/xterm';\nimport { channels, css } from '../common/Color';\nimport type { IEvent } from '../common/Event';\n\n/**\n * A portion of the public API that are implemented identially internally and simply passed through.\n */\ntype InternalPassthroughApis = Omit;\n\nexport interface ITerminal extends InternalPassthroughApis, ICoreTerminal {\n screenElement: HTMLElement | undefined;\n browser: IBrowser;\n buffer: IBuffer;\n linkifier: ILinkifier2 | undefined;\n options: Required;\n\n readonly dimensions: IRenderDimensionsApi | undefined;\n\n onBlur: IEvent;\n onFocus: IEvent;\n onDimensionsChange: IEvent;\n onA11yChar: IEvent;\n onA11yTab: IEvent;\n onWillOpen: IEvent;\n}\n\nexport type CustomKeyEventHandler = (event: KeyboardEvent) => boolean;\nexport type CustomWheelEventHandler = (event: WheelEvent) => boolean;\n\nexport type LineData = CharData[];\n\nexport interface ICompositionHelper {\n readonly isComposing: boolean;\n compositionstart(): void;\n compositionupdate(ev: CompositionEvent): void;\n compositionend(): void;\n updateCompositionElements(dontRecurse?: boolean): void;\n keydown(ev: KeyboardEvent): boolean;\n}\n\nexport interface IBrowser {\n isNode: boolean;\n userAgent: string;\n platform: string;\n isFirefox: boolean;\n isMac: boolean;\n isIpad: boolean;\n isIphone: boolean;\n isWindows: boolean;\n}\n\nexport interface IColorSet {\n foreground: IColor;\n background: IColor;\n cursor: IColor;\n cursorAccent: IColor;\n selectionForeground: IColor | undefined;\n selectionBackgroundTransparent: IColor;\n /** The selection blended on top of background. */\n selectionBackgroundOpaque: IColor;\n selectionInactiveBackgroundTransparent: IColor;\n selectionInactiveBackgroundOpaque: IColor;\n scrollbarSliderBackground: IColor;\n scrollbarSliderHoverBackground: IColor;\n scrollbarSliderActiveBackground: IColor;\n overviewRulerBorder: IColor;\n ansi: IColor[];\n /** Maps original colors to colors that respect minimum contrast ratio. */\n contrastCache: IColorContrastCache;\n /** Maps original colors to colors that respect _half_ of the minimum contrast ratio. */\n halfContrastCache: IColorContrastCache;\n}\n\nexport type ReadonlyColorSet = Readonly> & { ansi: Readonly['ansi']> };\n\nexport interface IColorContrastCache {\n clear(): void;\n setCss(bg: number, fg: number, value: string | null): void;\n getCss(bg: number, fg: number): string | null | undefined;\n setColor(bg: number, fg: number, value: IColor | null): void;\n getColor(bg: number, fg: number): IColor | null | undefined;\n}\n\nexport interface IPartialColorSet {\n foreground: IColor;\n background: IColor;\n cursor?: IColor;\n cursorAccent?: IColor;\n selectionBackground?: IColor;\n ansi: IColor[];\n}\n\nexport interface IViewport extends IDisposable {\n scrollBarWidth: number;\n readonly onRequestScrollLines: IEvent<{ amount: number, suppressScrollEvent: boolean }>;\n syncScrollArea(immediate?: boolean, force?: boolean): void;\n getLinesScrolled(ev: WheelEvent): number;\n getBufferElements(startLine: number, endLine?: number): { bufferElements: HTMLElement[], cursorElement?: HTMLElement };\n handleWheel(ev: WheelEvent): boolean;\n handleTouchStart(ev: TouchEvent): void;\n handleTouchMove(ev: TouchEvent): boolean;\n scrollLines(disp: number): void; // todo api name?\n reset(): void;\n}\n\nexport interface ILinkifierEvent {\n x1: number;\n y1: number;\n x2: number;\n y2: number;\n cols: number;\n fg: number | undefined;\n}\n\ninterface ILinkState {\n decorations: ILinkDecorations;\n isHovered: boolean;\n}\nexport interface ILinkWithState {\n link: ILink;\n state?: ILinkState;\n}\n\nexport interface ILinkifier2 extends IDisposable {\n onShowLinkUnderline: IEvent;\n onHideLinkUnderline: IEvent;\n readonly currentLink: ILinkWithState | undefined;\n}\n\nexport interface ILink {\n range: IBufferRange;\n text: string;\n decorations?: ILinkDecorations;\n activate(event: MouseEvent, text: string): void;\n hover?(event: MouseEvent, text: string): void;\n leave?(event: MouseEvent, text: string): void;\n dispose?(): void;\n}\n\nexport interface ILinkDecorations {\n pointerCursor: boolean;\n underline: boolean;\n}\n\nexport interface IBufferRange {\n start: IBufferCellPosition;\n end: IBufferCellPosition;\n}\n\nexport interface IBufferCellPosition {\n x: number;\n y: number;\n}\n\nexport type CharacterJoinerHandler = (text: string) => [number, number][];\n\nexport interface ICharacterJoiner {\n id: number;\n handler: CharacterJoinerHandler;\n}\n\nexport interface IRenderDebouncer extends IDisposable {\n refresh(rowStart: number | undefined, rowEnd: number | undefined, rowCount: number): void;\n}\n\nexport interface IRenderDebouncerWithCallback extends IRenderDebouncer {\n addRefreshCallback(callback: FrameRequestCallback): number;\n}\n\nexport interface IBufferElementProvider {\n provideBufferElements(): DocumentFragment | HTMLElement;\n}\n\n// An IIFE to generate DEFAULT_ANSI_COLORS.\nexport const DEFAULT_ANSI_COLORS = Object.freeze((() => {\n const colors = [\n // dark:\n css.toColor('#2e3436'),\n css.toColor('#cc0000'),\n css.toColor('#4e9a06'),\n css.toColor('#c4a000'),\n css.toColor('#3465a4'),\n css.toColor('#75507b'),\n css.toColor('#06989a'),\n css.toColor('#d3d7cf'),\n // bright:\n css.toColor('#555753'),\n css.toColor('#ef2929'),\n css.toColor('#8ae234'),\n css.toColor('#fce94f'),\n css.toColor('#729fcf'),\n css.toColor('#ad7fa8'),\n css.toColor('#34e2e2'),\n css.toColor('#eeeeec')\n ];\n\n // Fill in the remaining 240 ANSI colors.\n // Generate colors (16-231)\n const v = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff];\n for (let i = 0; i < 216; i++) {\n const r = v[(i / 36) % 6 | 0];\n const g = v[(i / 6) % 6 | 0];\n const b = v[i % 6];\n colors.push({\n css: channels.toCss(r, g, b),\n rgba: channels.toRgba(r, g, b)\n });\n }\n\n // Generate greys (232-255)\n for (let i = 0; i < 24; i++) {\n const c = 8 + i * 10;\n colors.push({\n css: channels.toCss(c, c, c),\n rgba: channels.toRgba(c, c, c)\n });\n }\n\n return colors;\n})());\n", "/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n *\n * (EXPERIMENTAL) This Addon is still under development\n */\n\nimport type { IBuffer, IBufferCell, IBufferRange, ITerminalAddon, Terminal } from '@xterm/xterm';\nimport type { IHTMLSerializeOptions, SerializeAddon as ISerializeApi, ISerializeOptions, ISerializeRange } from '@xterm/addon-serialize';\nimport { IColor } from 'common/Types';\nimport { IAttributeData } from 'common/buffer/Types';\nimport { DEFAULT_ANSI_COLORS } from 'browser/Types';\nimport { UnderlineStyle } from 'common/buffer/Constants';\n\nfunction constrain(value: number, low: number, high: number): number {\n return Math.max(low, Math.min(value, high));\n}\n\nfunction escapeHTMLChar(c: string): string {\n switch (c) {\n case '&': return '&';\n case '<': return '<';\n }\n return c;\n}\n\n// TODO: Refine this template class later\nabstract class BaseSerializeHandler {\n constructor(\n protected readonly _buffer: IBuffer\n ) {\n }\n\n public serialize(range: IBufferRange, excludeFinalCursorPosition?: boolean): string {\n // we need two of them to flip between old and new cell\n const cell1 = this._buffer.getNullCell();\n const cell2 = this._buffer.getNullCell();\n let oldCell = cell1;\n\n const startRow = range.start.y;\n const endRow = range.end.y;\n const startColumn = range.start.x;\n const endColumn = range.end.x;\n\n this._beforeSerialize(endRow - startRow, startRow, endRow);\n\n for (let row = startRow; row <= endRow; row++) {\n const line = this._buffer.getLine(row);\n if (line) {\n const startLineColumn = row === range.start.y ? startColumn : 0;\n const endLineColumn = row === range.end.y ? endColumn: line.length;\n for (let col = startLineColumn; col < endLineColumn; col++) {\n const c = line.getCell(col, oldCell === cell1 ? cell2 : cell1);\n if (!c) {\n console.warn(`Can't get cell at row=${row}, col=${col}`);\n continue;\n }\n this._nextCell(c, oldCell, row, col);\n oldCell = c;\n }\n }\n this._rowEnd(row, row === endRow);\n }\n\n this._afterSerialize();\n\n return this._serializeString(excludeFinalCursorPosition);\n }\n\n protected _nextCell(cell: IBufferCell, oldCell: IBufferCell, row: number, col: number): void { }\n protected _rowEnd(row: number, isLastRow: boolean): void { }\n protected _beforeSerialize(rows: number, startRow: number, endRow: number): void { }\n protected _afterSerialize(): void { }\n protected _serializeString(excludeFinalCursorPosition?: boolean): string { return ''; }\n}\n\nfunction equalFg(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n return cell1.getFgColorMode() === cell2.getFgColorMode()\n && cell1.getFgColor() === cell2.getFgColor();\n}\n\nfunction equalBg(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n return cell1.getBgColorMode() === cell2.getBgColorMode()\n && cell1.getBgColor() === cell2.getBgColor();\n}\n\nfunction equalUnderline(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n // If neither cell has underline, consider them equal regardless of internal underline color\n // values\n if (!cell1.isUnderline() && !cell2.isUnderline()) {\n return true;\n }\n if (cell1.getUnderlineStyle() !== cell2.getUnderlineStyle()) {\n return false;\n }\n const cell1Default = cell1.isUnderlineColorDefault();\n const cell2Default = cell2.isUnderlineColorDefault();\n if (cell1Default && cell2Default) {\n return true;\n }\n if (cell1Default !== cell2Default) {\n return false;\n }\n return cell1.getUnderlineColor() === cell2.getUnderlineColor()\n && cell1.getUnderlineColorMode() === cell2.getUnderlineColorMode();\n}\n\nfunction equalFlags(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n return cell1.isInverse() === cell2.isInverse()\n && cell1.isBold() === cell2.isBold()\n && cell1.isUnderline() === cell2.isUnderline()\n && equalUnderline(cell1, cell2)\n && cell1.isOverline() === cell2.isOverline()\n && cell1.isBlink() === cell2.isBlink()\n && cell1.isInvisible() === cell2.isInvisible()\n && cell1.isItalic() === cell2.isItalic()\n && cell1.isDim() === cell2.isDim()\n && cell1.isStrikethrough() === cell2.isStrikethrough();\n}\n\nfunction attributesEquals(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n const cell1AsBufferCell = cell1 as IBufferCell;\n if (typeof cell1AsBufferCell.attributesEquals === 'function') {\n return cell1AsBufferCell.attributesEquals(cell2);\n }\n return equalFg(cell1, cell2)\n && equalBg(cell1, cell2)\n && equalFlags(cell1, cell2);\n}\n\nclass StringSerializeHandler extends BaseSerializeHandler {\n private _rowIndex: number = 0;\n private _allRows: string[] = new Array();\n private _allRowSeparators: string[] = new Array();\n private _currentRow: string = '';\n private _nullCellCount: number = 0;\n\n // we can see a full colored cell and a null cell that only have background the same style\n // but the information isn't preserved by null cell itself\n // so wee need to record it when required.\n private _cursorStyle: IBufferCell = this._buffer.getNullCell();\n\n // where exact the cursor styles comes from\n // because we can't copy the cell directly\n // so we remember where the content comes from instead\n private _cursorStyleRow: number = 0;\n private _cursorStyleCol: number = 0;\n\n // this is a null cell for reference for checking whether background is empty or not\n private _backgroundCell: IBufferCell = this._buffer.getNullCell();\n\n private _firstRow: number = 0;\n private _lastCursorRow: number = 0;\n private _lastCursorCol: number = 0;\n private _lastContentCursorRow: number = 0;\n private _lastContentCursorCol: number = 0;\n\n constructor(\n buffer: IBuffer,\n private readonly _terminal: Terminal\n ) {\n super(buffer);\n }\n\n protected _beforeSerialize(rows: number, start: number, end: number): void {\n this._allRows = new Array(rows);\n this._lastContentCursorRow = start;\n this._lastCursorRow = start;\n this._firstRow = start;\n }\n\n private _thisRowLastChar: IBufferCell = this._buffer.getNullCell();\n private _thisRowLastSecondChar: IBufferCell = this._buffer.getNullCell();\n private _nextRowFirstChar: IBufferCell = this._buffer.getNullCell();\n protected _rowEnd(row: number, isLastRow: boolean): void {\n // if there is colorful empty cell at line end, we must pad it back, or the color block\n // will missing\n if (this._nullCellCount > 0 && !equalBg(this._cursorStyle, this._backgroundCell)) {\n // use clear right to set background.\n this._currentRow += `\\u001b[${this._nullCellCount}X`;\n }\n\n let rowSeparator = '';\n\n // handle row separator\n if (!isLastRow) {\n // Enable BCE\n if (row - this._firstRow >= this._terminal.rows) {\n this._buffer.getLine(this._cursorStyleRow)?.getCell(this._cursorStyleCol, this._backgroundCell);\n }\n\n // Fetch current line\n const currentLine = this._buffer.getLine(row)!;\n // Fetch next line\n const nextLine = this._buffer.getLine(row + 1)!;\n\n if (!nextLine.isWrapped) {\n // just insert the line break\n rowSeparator = '\\r\\n';\n // we sended the enter\n this._lastCursorRow = row + 1;\n this._lastCursorCol = 0;\n } else {\n rowSeparator = '';\n const thisRowLastChar = currentLine.getCell(currentLine.length - 1, this._thisRowLastChar)!;\n const thisRowLastSecondChar = currentLine.getCell(currentLine.length - 2, this._thisRowLastSecondChar)!;\n const nextRowFirstChar = nextLine.getCell(0, this._nextRowFirstChar)!;\n const isNextRowFirstCharDoubleWidth = nextRowFirstChar.getWidth() > 1;\n\n // validate whether this line wrap is ever possible\n // which mean whether cursor can placed at a overflow position (x === row) naturally\n let isValid = false;\n\n if (\n // you must output character to cause overflow, control sequence can't do this\n nextRowFirstChar.getChars() &&\n isNextRowFirstCharDoubleWidth ? this._nullCellCount <= 1 : this._nullCellCount <= 0\n ) {\n if (\n // the last character can't be null,\n // you can't use control sequence to move cursor to (x === row)\n (thisRowLastChar.getChars() || thisRowLastChar.getWidth() === 0) &&\n // change background of the first wrapped cell also affects BCE\n // so we mark it as invalid to simplify the process to determine line separator\n equalBg(thisRowLastChar, nextRowFirstChar)\n ) {\n isValid = true;\n }\n\n if (\n // the second to last character can't be null if the next line starts with CJK,\n // you can't use control sequence to move cursor to (x === row)\n isNextRowFirstCharDoubleWidth &&\n (thisRowLastSecondChar.getChars() || thisRowLastSecondChar.getWidth() === 0) &&\n // change background of the first wrapped cell also affects BCE\n // so we mark it as invalid to simplify the process to determine line separator\n equalBg(thisRowLastChar, nextRowFirstChar) &&\n equalBg(thisRowLastSecondChar, nextRowFirstChar)\n ) {\n isValid = true;\n }\n }\n\n if (!isValid) {\n // force the wrap with magic\n // insert enough character to force the wrap\n rowSeparator = '-'.repeat(this._nullCellCount + 1);\n // move back and erase next line head\n rowSeparator += '\\u001b[1D\\u001b[1X';\n\n if (this._nullCellCount > 0) {\n // do these because we filled the last several null slot, which we shouldn't\n rowSeparator += '\\u001b[A';\n rowSeparator += `\\u001b[${currentLine.length - this._nullCellCount}C`;\n rowSeparator += `\\u001b[${this._nullCellCount}X`;\n rowSeparator += `\\u001b[${currentLine.length - this._nullCellCount}D`;\n rowSeparator += '\\u001b[B';\n }\n\n // This is content and need the be serialized even it is invisible.\n // without this, wrap will be missing from outputs.\n this._lastContentCursorRow = row + 1;\n this._lastContentCursorCol = 0;\n\n // force commit the cursor position\n this._lastCursorRow = row + 1;\n this._lastCursorCol = 0;\n }\n }\n }\n\n this._allRows[this._rowIndex] = this._currentRow;\n this._allRowSeparators[this._rowIndex++] = rowSeparator;\n this._currentRow = '';\n this._nullCellCount = 0;\n }\n\n private _diffStyle(cell: IBufferCell | IAttributeData, oldCell: IBufferCell): number[] {\n const sgrSeq: number[] = [];\n if (attributesEquals(cell, oldCell)) {\n return sgrSeq;\n }\n const fgChanged = !equalFg(cell, oldCell);\n const bgChanged = !equalBg(cell, oldCell);\n const flagsChanged = !equalFlags(cell, oldCell);\n\n if (fgChanged || bgChanged || flagsChanged) {\n if (cell.isAttributeDefault()) {\n if (!oldCell.isAttributeDefault()) {\n sgrSeq.push(0);\n }\n } else {\n if (fgChanged) {\n const color = cell.getFgColor();\n if (cell.isFgRGB()) { sgrSeq.push(38, 2, (color >>> 16) & 0xFF, (color >>> 8) & 0xFF, color & 0xFF); }\n else if (cell.isFgPalette()) {\n if (color >= 16) { sgrSeq.push(38, 5, color); }\n else { sgrSeq.push(color & 8 ? 90 + (color & 7) : 30 + (color & 7)); }\n }\n else { sgrSeq.push(39); }\n }\n if (bgChanged) {\n const color = cell.getBgColor();\n if (cell.isBgRGB()) { sgrSeq.push(48, 2, (color >>> 16) & 0xFF, (color >>> 8) & 0xFF, color & 0xFF); }\n else if (cell.isBgPalette()) {\n if (color >= 16) { sgrSeq.push(48, 5, color); }\n else { sgrSeq.push(color & 8 ? 100 + (color & 7) : 40 + (color & 7)); }\n }\n else { sgrSeq.push(49); }\n }\n if (flagsChanged) {\n if (cell.isInverse() !== oldCell.isInverse()) { sgrSeq.push(cell.isInverse() ? 7 : 27); }\n if (cell.isBold() !== oldCell.isBold()) { sgrSeq.push(cell.isBold() ? 1 : 22); }\n if (!equalUnderline(cell, oldCell)) {\n const style = cell.getUnderlineStyle();\n if (style === UnderlineStyle.NONE) {\n sgrSeq.push(24);\n } else if (style === UnderlineStyle.SINGLE && cell.isUnderlineColorDefault()) {\n sgrSeq.push(4);\n } else {\n // Use SGR 4:X format for underline styles\n sgrSeq.push('4:' + style as unknown as number);\n // Handle underline color\n if (!cell.isUnderlineColorDefault()) {\n const color = cell.getUnderlineColor();\n if (cell.isUnderlineColorRGB()) {\n sgrSeq.push('58:2::' + ((color >>> 16) & 0xFF) + ':' + ((color >>> 8) & 0xFF) + ':' + (color & 0xFF) as unknown as number);\n } else {\n sgrSeq.push('58:5:' + color as unknown as number);\n }\n }\n }\n } else if (cell.isUnderline() !== oldCell.isUnderline()) {\n sgrSeq.push(cell.isUnderline() ? 4 : 24);\n }\n if (cell.isOverline() !== oldCell.isOverline()) { sgrSeq.push(cell.isOverline() ? 53 : 55); }\n if (cell.isBlink() !== oldCell.isBlink()) { sgrSeq.push(cell.isBlink() ? 5 : 25); }\n if (cell.isInvisible() !== oldCell.isInvisible()) { sgrSeq.push(cell.isInvisible() ? 8 : 28); }\n if (cell.isItalic() !== oldCell.isItalic()) { sgrSeq.push(cell.isItalic() ? 3 : 23); }\n if (cell.isDim() !== oldCell.isDim()) { sgrSeq.push(cell.isDim() ? 2 : 22); }\n if (cell.isStrikethrough() !== oldCell.isStrikethrough()) { sgrSeq.push(cell.isStrikethrough() ? 9 : 29); }\n }\n }\n }\n\n return sgrSeq;\n }\n\n protected _nextCell(cell: IBufferCell, oldCell: IBufferCell, row: number, col: number): void {\n // a width 0 cell don't need to be count because it is just a placeholder after a CJK character;\n const isPlaceHolderCell = cell.getWidth() === 0;\n\n if (isPlaceHolderCell) {\n return;\n }\n\n // this cell don't have content\n const isEmptyCell = cell.getChars() === '';\n\n const sgrSeq = this._diffStyle(cell, this._cursorStyle);\n\n // the empty cell style is only assumed to be changed when background changed, because\n // foreground is always 0.\n const styleChanged = isEmptyCell ? !equalBg(this._cursorStyle, cell) : sgrSeq.length > 0;\n\n /**\n * handles style change\n */\n if (styleChanged) {\n // before update the style, we need to fill empty cell back\n if (this._nullCellCount > 0) {\n // use clear right to set background.\n if (!equalBg(this._cursorStyle, this._backgroundCell)) {\n this._currentRow += `\\u001b[${this._nullCellCount}X`;\n }\n // use move right to move cursor.\n this._currentRow += `\\u001b[${this._nullCellCount}C`;\n this._nullCellCount = 0;\n }\n\n this._lastContentCursorRow = this._lastCursorRow = row;\n this._lastContentCursorCol = this._lastCursorCol = col;\n\n this._currentRow += `\\u001b[${sgrSeq.join(';')}m`;\n\n // update the last cursor style\n const line = this._buffer.getLine(row);\n if (line !== undefined) {\n line.getCell(col, this._cursorStyle);\n this._cursorStyleRow = row;\n this._cursorStyleCol = col;\n }\n }\n\n /**\n * handles actual content\n */\n if (isEmptyCell) {\n this._nullCellCount += cell.getWidth();\n } else {\n if (this._nullCellCount > 0) {\n // we can just assume we have same style with previous one here\n // because style change is handled by previous stage\n // use move right when background is empty, use clear right when there is background.\n if (equalBg(this._cursorStyle, this._backgroundCell)) {\n this._currentRow += `\\u001b[${this._nullCellCount}C`;\n } else {\n this._currentRow += `\\u001b[${this._nullCellCount}X`;\n this._currentRow += `\\u001b[${this._nullCellCount}C`;\n }\n this._nullCellCount = 0;\n }\n\n this._currentRow += cell.getChars();\n\n // update cursor\n this._lastContentCursorRow = this._lastCursorRow = row;\n this._lastContentCursorCol = this._lastCursorCol = col + cell.getWidth();\n }\n }\n\n protected _serializeString(excludeFinalCursorPosition: boolean): string {\n let rowEnd = this._allRows.length;\n\n // the fixup is only required for data without scrollback\n // because it will always be placed at last line otherwise\n if (this._buffer.length - this._firstRow <= this._terminal.rows) {\n rowEnd = this._lastContentCursorRow + 1 - this._firstRow;\n this._lastCursorCol = this._lastContentCursorCol;\n this._lastCursorRow = this._lastContentCursorRow;\n }\n\n let content = '';\n\n for (let i = 0; i < rowEnd; i++) {\n content += this._allRows[i];\n if (i + 1 < rowEnd) {\n content += this._allRowSeparators[i];\n }\n }\n\n // restore the cursor\n if (!excludeFinalCursorPosition) {\n const realCursorRow = this._buffer.baseY + this._buffer.cursorY;\n const realCursorCol = this._buffer.cursorX;\n\n const cursorMoved = (realCursorRow !== this._lastCursorRow || realCursorCol !== this._lastCursorCol);\n\n const moveRight = (offset: number): void => {\n if (offset > 0) {\n content += `\\u001b[${offset}C`;\n } else if (offset < 0) {\n content += `\\u001b[${-offset}D`;\n }\n };\n const moveDown = (offset: number): void => {\n if (offset > 0) {\n content += `\\u001b[${offset}B`;\n } else if (offset < 0) {\n content += `\\u001b[${-offset}A`;\n }\n };\n\n if (cursorMoved) {\n moveDown(realCursorRow - this._lastCursorRow);\n moveRight(realCursorCol - this._lastCursorCol);\n }\n }\n\n // Restore the cursor's current style, see https://github.com/xtermjs/xterm.js/issues/3677\n // HACK: Internal API access since it's awkward to expose this in the API and serialize will\n // likely be the only consumer\n const curAttrData: IAttributeData = (this._terminal as any)._core._inputHandler._curAttrData;\n const sgrSeq = this._diffStyle(curAttrData, this._cursorStyle);\n if (sgrSeq.length > 0) {\n content += `\\u001b[${sgrSeq.join(';')}m`;\n }\n\n return content;\n }\n}\n\nexport class SerializeAddon implements ITerminalAddon, ISerializeApi {\n private _terminal: Terminal | undefined;\n\n public activate(terminal: Terminal): void {\n this._terminal = terminal;\n }\n\n private _serializeBufferByScrollback(terminal: Terminal, buffer: IBuffer, scrollback?: number): string {\n const maxRows = buffer.length;\n const correctRows = (scrollback === undefined) ? maxRows : constrain(scrollback + terminal.rows, 0, maxRows);\n return this._serializeBufferByRange(terminal, buffer, {\n start: maxRows - correctRows,\n end: maxRows - 1\n }, false);\n }\n\n private _serializeBufferByRange(terminal: Terminal, buffer: IBuffer, range: ISerializeRange, excludeFinalCursorPosition: boolean): string {\n const handler = new StringSerializeHandler(buffer, terminal);\n return handler.serialize({\n start: { x: 0, y: typeof range.start === 'number' ? range.start : range.start.line },\n end: { x: terminal.cols, y: typeof range.end === 'number' ? range.end : range.end.line }\n }, excludeFinalCursorPosition);\n }\n\n private _serializeBufferAsHTML(terminal: Terminal, options: Partial): string {\n const buffer = terminal.buffer.active;\n const handler = new HTMLSerializeHandler(buffer, terminal, options);\n const onlySelection = options.onlySelection ?? false;\n const range = options.range;\n if (range) {\n return handler.serialize({\n start: { x: range.startCol, y: typeof range.startLine === 'number' ? range.startLine : range.startLine },\n end: { x: terminal.cols, y: typeof range.endLine === 'number' ? range.endLine : range.endLine }\n });\n }\n if (!onlySelection) {\n const maxRows = buffer.length;\n const scrollback = options.scrollback;\n const correctRows = (scrollback === undefined) ? maxRows : constrain(scrollback + terminal.rows, 0, maxRows);\n return handler.serialize({\n start: { x: 0, y: maxRows - correctRows },\n end: { x: terminal.cols, y: maxRows - 1 }\n });\n }\n\n const selection = this._terminal?.getSelectionPosition();\n if (selection !== undefined) {\n return handler.serialize({\n start: { x: selection.start.x, y: selection.start.y },\n end: { x: selection.end.x, y: selection.end.y }\n });\n }\n\n return '';\n }\n\n /**\n * Serializes the scroll region (DECSTBM) if it's not set to the full terminal size.\n * Uses internal API access since scroll region is not exposed in the public API.\n */\n private _serializeScrollRegion(terminal: Terminal): string {\n // HACK: Internal API access since scroll region is not exposed in the public API\n const buffer = (terminal as any)._core.buffer;\n const scrollTop: number = buffer.scrollTop;\n const scrollBottom: number = buffer.scrollBottom;\n\n // Only serialize if scroll region is not the default (full terminal size)\n if (scrollTop !== 0 || scrollBottom !== terminal.rows - 1) {\n // DECSTBM uses 1-based indices: CSI Ps ; Ps r\n return `\\x1b[${scrollTop + 1};${scrollBottom + 1}r`;\n }\n\n return '';\n }\n\n private _serializeModes(terminal: Terminal): string {\n let content = '';\n const modes = terminal.modes;\n\n // Default: false\n if (modes.applicationCursorKeysMode) content += '\\x1b[?1h';\n if (modes.applicationKeypadMode) content += '\\x1b[?66h';\n if (modes.bracketedPasteMode) content += '\\x1b[?2004h';\n if (modes.insertMode) content += '\\x1b[4h';\n if (modes.originMode) content += '\\x1b[?6h';\n if (modes.reverseWraparoundMode) content += '\\x1b[?45h';\n if (modes.sendFocusMode) content += '\\x1b[?1004h';\n // synchronizedOutputMode doesn't need to be serialized as it's a temporary mode\n\n // Default: true\n if (modes.wraparoundMode === false) content += '\\x1b[?7l';\n\n // Default: 'none'\n if (modes.mouseTrackingMode !== 'none') {\n switch (modes.mouseTrackingMode) {\n case 'x10': content += '\\x1b[?9h'; break;\n case 'vt200': content += '\\x1b[?1000h'; break;\n case 'drag': content += '\\x1b[?1002h'; break;\n case 'any': content += '\\x1b[?1003h'; break;\n }\n }\n\n // Cursor visibility (DECTCEM)\n // Default: visible\n if (!modes.showCursor) {\n content += '\\x1b[?25l';\n }\n\n return content;\n }\n\n public serialize(options?: ISerializeOptions): string {\n // TODO: Add combinedData support\n if (!this._terminal) {\n throw new Error('Cannot use addon until it has been loaded');\n }\n\n // Normal buffer\n let content = options?.range\n ? this._serializeBufferByRange(this._terminal, this._terminal.buffer.normal, options.range, true)\n : this._serializeBufferByScrollback(this._terminal, this._terminal.buffer.normal, options?.scrollback);\n\n // Alternate buffer\n if (!options?.excludeAltBuffer) {\n if (this._terminal.buffer.active.type === 'alternate') {\n const alternativeScreenContent = this._serializeBufferByScrollback(this._terminal, this._terminal.buffer.alternate, undefined);\n content += `\\u001b[?1049h\\u001b[H${alternativeScreenContent}`;\n }\n }\n\n // Modes and scroll region\n if (!options?.excludeModes) {\n content += this._serializeModes(this._terminal);\n content += this._serializeScrollRegion(this._terminal);\n }\n\n return content;\n }\n\n public serializeAsHTML(options?: Partial): string {\n if (!this._terminal) {\n throw new Error('Cannot use addon until it has been loaded');\n }\n\n return this._serializeBufferAsHTML(this._terminal, options ?? {});\n }\n\n public dispose(): void { }\n}\n\nexport class HTMLSerializeHandler extends BaseSerializeHandler {\n private _currentRow: string = '';\n\n private _htmlContent = '';\n\n private _ansiColors: Readonly;\n\n constructor(\n buffer: IBuffer,\n private readonly _terminal: Terminal,\n private readonly _options: Partial\n ) {\n super(buffer);\n\n // For xterm headless: fallback to ansi colors\n if ((_terminal as any)._core._themeService) {\n this._ansiColors = (_terminal as any)._core._themeService.colors.ansi;\n }\n else {\n this._ansiColors = DEFAULT_ANSI_COLORS;\n }\n }\n\n protected _beforeSerialize(rows: number, start: number, end: number): void {\n this._htmlContent += '
';\n\n    let foreground = '#000000';\n    let background = '#ffffff';\n    if (this._options.includeGlobalBackground ?? false) {\n      foreground = this._terminal.options.theme?.foreground ?? '#ffffff';\n      background = this._terminal.options.theme?.background ?? '#000000';\n    }\n\n    const globalStyleDefinitions = [];\n    globalStyleDefinitions.push('color: ' + foreground + ';');\n    globalStyleDefinitions.push('background-color: ' + background + ';');\n    globalStyleDefinitions.push('font-family: ' + this._terminal.options.fontFamily + ';');\n    globalStyleDefinitions.push('font-size: ' + this._terminal.options.fontSize + 'px;');\n    this._htmlContent += '
';\n  }\n\n  protected _afterSerialize(): void {\n    this._htmlContent += '
';\n    this._htmlContent += '
';\n }\n\n protected _rowEnd(row: number, isLastRow: boolean): void {\n this._htmlContent += '
' + this._currentRow + '
';\n this._currentRow = '';\n }\n\n private _getHexColor(cell: IBufferCell, isFg: boolean): string | undefined {\n const color = isFg ? cell.getFgColor() : cell.getBgColor();\n if (isFg ? cell.isFgRGB() : cell.isBgRGB()) {\n const rgb = [\n (color >> 16) & 255,\n (color >> 8) & 255,\n (color ) & 255\n ];\n return '#' + rgb.map(x => x.toString(16).padStart(2, '0')).join('');\n }\n if (isFg ? cell.isFgPalette() : cell.isBgPalette()) {\n return this._ansiColors[color].css;\n }\n return undefined;\n }\n\n private _getUnderlineColor(cell: IBufferCell): string | undefined {\n if (cell.isUnderlineColorDefault()) {\n return undefined;\n }\n const color = cell.getUnderlineColor();\n if (cell.isUnderlineColorRGB()) {\n const rgb = [\n (color >> 16) & 255,\n (color >> 8) & 255,\n (color ) & 255\n ];\n return '#' + rgb.map(x => x.toString(16).padStart(2, '0')).join('');\n }\n // Palette color\n return this._ansiColors[color].css;\n }\n\n private _getUnderlineStyle(cell: IBufferCell): string {\n switch (cell.getUnderlineStyle()) {\n case UnderlineStyle.SINGLE:\n return 'underline';\n case UnderlineStyle.DOUBLE:\n return 'underline double';\n case UnderlineStyle.CURLY:\n return 'underline wavy';\n case UnderlineStyle.DOTTED:\n return 'underline dotted';\n case UnderlineStyle.DASHED:\n return 'underline dashed';\n default:\n return 'underline';\n }\n }\n\n private _diffStyle(cell: IBufferCell, oldCell: IBufferCell): string[] | undefined {\n const content: string[] = [];\n\n if (attributesEquals(cell, oldCell)) {\n return undefined;\n }\n\n const fgChanged = !equalFg(cell, oldCell);\n const bgChanged = !equalBg(cell, oldCell);\n const flagsChanged = !equalFlags(cell, oldCell);\n\n if (fgChanged || bgChanged || flagsChanged) {\n const fgHexColor = this._getHexColor(cell, true);\n if (fgHexColor) {\n content.push('color: ' + fgHexColor + ';');\n }\n\n const bgHexColor = this._getHexColor(cell, false);\n if (bgHexColor) {\n content.push('background-color: ' + bgHexColor + ';');\n }\n\n if (cell.isInverse()) { content.push('color: #000000; background-color: #BFBFBF;'); }\n if (cell.isBold()) { content.push('font-weight: bold;'); }\n\n // Handle text-decoration (underline, overline, strikethrough, blink)\n const decorations: string[] = [];\n if (cell.isUnderline()) {\n decorations.push(this._getUnderlineStyle(cell));\n }\n if (cell.isOverline()) {\n decorations.push('overline');\n }\n if (cell.isStrikethrough()) {\n decorations.push('line-through');\n }\n if (cell.isBlink()) {\n decorations.push('blink');\n }\n if (decorations.length > 0) {\n content.push('text-decoration: ' + decorations.join(' ') + ';');\n }\n\n // Handle underline color\n if (cell.isUnderline()) {\n const underlineColor = this._getUnderlineColor(cell);\n if (underlineColor) {\n content.push('text-decoration-color: ' + underlineColor + ';');\n }\n }\n\n if (cell.isInvisible()) { content.push('visibility: hidden;'); }\n if (cell.isItalic()) { content.push('font-style: italic;'); }\n if 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"styleDefinitions"] + "sourcesContent": ["/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColor, IColorRGB } from './Types';\n\nlet $r = 0;\nlet $g = 0;\nlet $b = 0;\nlet $a = 0;\n\nexport const NULL_COLOR: IColor = {\n css: '#00000000',\n rgba: 0\n};\n\n/**\n * Helper functions where the source type is \"channels\" (individual color channels as numbers).\n */\nexport namespace channels {\n export function toCss(r: number, g: number, b: number, a?: number): string {\n if (a !== undefined) {\n return `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}${toPaddedHex(a)}`;\n }\n return `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}`;\n }\n\n export function toRgba(r: number, g: number, b: number, a: number = 0xFF): number {\n // Note: The aggregated number is RGBA32 (BE), thus needs to be converted to ABGR32\n // on LE systems, before it can be used for direct 32-bit buffer writes.\n // >>> 0 forces an unsigned int\n return (r << 24 | g << 16 | b << 8 | a) >>> 0;\n }\n\n export function toColor(r: number, g: number, b: number, a?: number): IColor {\n return {\n css: channels.toCss(r, g, b, a),\n rgba: channels.toRgba(r, g, b, a)\n };\n }\n}\n\n/**\n * Helper functions where the source type is `IColor`.\n */\nexport namespace color {\n export function blend(bg: IColor, fg: IColor): IColor {\n $a = (fg.rgba & 0xFF) / 255;\n if ($a === 1) {\n return {\n css: fg.css,\n rgba: fg.rgba\n };\n }\n const fgR = (fg.rgba >> 24) & 0xFF;\n const fgG = (fg.rgba >> 16) & 0xFF;\n const fgB = (fg.rgba >> 8) & 0xFF;\n const bgR = (bg.rgba >> 24) & 0xFF;\n const bgG = (bg.rgba >> 16) & 0xFF;\n const bgB = (bg.rgba >> 8) & 0xFF;\n $r = bgR + Math.round((fgR - bgR) * $a);\n $g = bgG + Math.round((fgG - bgG) * $a);\n $b = bgB + Math.round((fgB - bgB) * $a);\n const css = channels.toCss($r, $g, $b);\n const rgba = channels.toRgba($r, $g, $b);\n return { css, rgba };\n }\n\n export function isOpaque(color: IColor): boolean {\n return (color.rgba & 0xFF) === 0xFF;\n }\n\n export function ensureContrastRatio(bg: IColor, fg: IColor, ratio: number): IColor | undefined {\n const result = rgba.ensureContrastRatio(bg.rgba, fg.rgba, ratio);\n if (!result) {\n return undefined;\n }\n return channels.toColor(\n (result >> 24 & 0xFF),\n (result >> 16 & 0xFF),\n (result >> 8 & 0xFF)\n );\n }\n\n export function opaque(color: IColor): IColor {\n const rgbaColor = (color.rgba | 0xFF) >>> 0;\n [$r, $g, $b] = rgba.toChannels(rgbaColor);\n return {\n css: channels.toCss($r, $g, $b),\n rgba: rgbaColor\n };\n }\n\n export function opacity(color: IColor, opacity: number): IColor {\n $a = Math.round(opacity * 0xFF);\n [$r, $g, $b] = rgba.toChannels(color.rgba);\n return {\n css: channels.toCss($r, $g, $b, $a),\n rgba: channels.toRgba($r, $g, $b, $a)\n };\n }\n\n export function multiplyOpacity(color: IColor, factor: number): IColor {\n $a = color.rgba & 0xFF;\n return opacity(color, ($a * factor) / 0xFF);\n }\n\n export function toColorRGB(color: IColor): IColorRGB {\n return [(color.rgba >> 24) & 0xFF, (color.rgba >> 16) & 0xFF, (color.rgba >> 8) & 0xFF];\n }\n}\n\n/**\n * Helper functions where the source type is \"css\" (string: '#rgb', '#rgba', '#rrggbb',\n * '#rrggbbaa').\n */\nexport namespace css {\n // Attempt to set get the shared canvas context\n let $ctx: CanvasRenderingContext2D | undefined;\n let $litmusColor: CanvasGradient | undefined;\n try {\n // This is guaranteed to run in the first window, so document should be correct\n const canvas = document.createElement('canvas');\n canvas.width = 1;\n canvas.height = 1;\n const ctx = canvas.getContext('2d', {\n willReadFrequently: true\n });\n if (ctx) {\n $ctx = ctx;\n $ctx.globalCompositeOperation = 'copy';\n $litmusColor = $ctx.createLinearGradient(0, 0, 1, 1);\n }\n }\n catch {\n // noop\n }\n\n /**\n * Converts a css string to an IColor, this should handle all valid CSS color strings and will\n * throw if it's invalid. The ideal format to use is `#rrggbb[aa]` as it's the fastest to parse.\n *\n * Only `#rgb[a]`, `#rrggbb[aa]`, `rgb()` and `rgba()` formats are supported when run in a Node\n * environment.\n */\n export function toColor(css: string): IColor {\n // Formats: #rgb[a] and #rrggbb[aa]\n if (css.match(/#[\\da-f]{3,8}/i)) {\n switch (css.length) {\n case 4: { // #rgb\n $r = parseInt(css.slice(1, 2).repeat(2), 16);\n $g = parseInt(css.slice(2, 3).repeat(2), 16);\n $b = parseInt(css.slice(3, 4).repeat(2), 16);\n return channels.toColor($r, $g, $b);\n }\n case 5: { // #rgba\n $r = parseInt(css.slice(1, 2).repeat(2), 16);\n $g = parseInt(css.slice(2, 3).repeat(2), 16);\n $b = parseInt(css.slice(3, 4).repeat(2), 16);\n $a = parseInt(css.slice(4, 5).repeat(2), 16);\n return channels.toColor($r, $g, $b, $a);\n }\n case 7: // #rrggbb\n return {\n css,\n rgba: (parseInt(css.slice(1), 16) << 8 | 0xFF) >>> 0\n };\n case 9: // #rrggbbaa\n return {\n css,\n rgba: parseInt(css.slice(1), 16) >>> 0\n };\n }\n }\n\n // Formats: rgb() or rgba()\n const rgbaMatch = css.match(/rgba?\\(\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3})\\s*(,\\s*(0|1|\\d?\\.(\\d+))\\s*)?\\)/);\n if (rgbaMatch) {\n $r = parseInt(rgbaMatch[1], 10);\n $g = parseInt(rgbaMatch[2], 10);\n $b = parseInt(rgbaMatch[3], 10);\n $a = Math.round((rgbaMatch[5] === undefined ? 1 : parseFloat(rgbaMatch[5])) * 0xFF);\n return channels.toColor($r, $g, $b, $a);\n }\n\n // Handle the \"transparent\" keyword\n if (css === 'transparent') {\n return {\n css: 'transparent',\n rgba: 0x00000000\n };\n }\n\n // Validate the context is available for canvas-based color parsing\n if (!$ctx || !$litmusColor) {\n throw new Error('css.toColor: Unsupported css format');\n }\n\n // Validate the color using canvas fillStyle\n // See https://html.spec.whatwg.org/multipage/canvas.html#fill-and-stroke-styles\n $ctx.fillStyle = $litmusColor;\n $ctx.fillStyle = css;\n if (typeof $ctx.fillStyle !== 'string') {\n throw new Error('css.toColor: Unsupported css format');\n }\n\n $ctx.fillRect(0, 0, 1, 1);\n [$r, $g, $b, $a] = $ctx.getImageData(0, 0, 1, 1).data;\n\n // Validate the color is non-transparent as color hue gets lost when drawn to the canvas\n if ($a !== 0xFF) {\n throw new Error('css.toColor: Unsupported css format');\n }\n\n // Extract the color from the canvas' fillStyle property which exposes the color value in rgba()\n // format\n // See https://html.spec.whatwg.org/multipage/canvas.html#serialisation-of-a-color\n return {\n rgba: channels.toRgba($r, $g, $b, $a),\n css\n };\n }\n}\n\n/**\n * Helper functions where the source type is \"rgb\" (number: 0xrrggbb).\n */\nexport namespace rgb {\n /**\n * Gets the relative luminance of an RGB color, this is useful in determining the contrast ratio\n * between two colors.\n * @param rgb The color to use.\n * @see https://www.w3.org/TR/WCAG20/#relativeluminancedef\n */\n export function relativeLuminance(rgb: number): number {\n return relativeLuminance2(\n (rgb >> 16) & 0xFF,\n (rgb >> 8 ) & 0xFF,\n (rgb ) & 0xFF);\n }\n\n /**\n * Gets the relative luminance of an RGB color, this is useful in determining the contrast ratio\n * between two colors.\n * @param r The red channel (0x00 to 0xFF).\n * @param g The green channel (0x00 to 0xFF).\n * @param b The blue channel (0x00 to 0xFF).\n * @see https://www.w3.org/TR/WCAG20/#relativeluminancedef\n */\n export function relativeLuminance2(r: number, g: number, b: number): number {\n const rs = r / 255;\n const gs = g / 255;\n const bs = b / 255;\n const rr = rs <= 0.03928 ? rs / 12.92 : Math.pow((rs + 0.055) / 1.055, 2.4);\n const rg = gs <= 0.03928 ? gs / 12.92 : Math.pow((gs + 0.055) / 1.055, 2.4);\n const rb = bs <= 0.03928 ? bs / 12.92 : Math.pow((bs + 0.055) / 1.055, 2.4);\n return rr * 0.2126 + rg * 0.7152 + rb * 0.0722;\n }\n}\n\n/**\n * Helper functions where the source type is \"rgba\" (number: 0xrrggbbaa).\n */\nexport namespace rgba {\n export function blend(bg: number, fg: number): number {\n $a = (fg & 0xFF) / 0xFF;\n if ($a === 1) {\n return fg;\n }\n const fgR = (fg >> 24) & 0xFF;\n const fgG = (fg >> 16) & 0xFF;\n const fgB = (fg >> 8) & 0xFF;\n const bgR = (bg >> 24) & 0xFF;\n const bgG = (bg >> 16) & 0xFF;\n const bgB = (bg >> 8) & 0xFF;\n $r = bgR + Math.round((fgR - bgR) * $a);\n $g = bgG + Math.round((fgG - bgG) * $a);\n $b = bgB + Math.round((fgB - bgB) * $a);\n return channels.toRgba($r, $g, $b);\n }\n\n /**\n * Given a foreground color and a background color, either increase or reduce the luminance of the\n * foreground color until the specified contrast ratio is met. If pure white or black is hit\n * without the contrast ratio being met, go the other direction using the background color as the\n * foreground color and take either the first or second result depending on which has the higher\n * contrast ratio.\n *\n * `undefined` will be returned if the contrast ratio is already met.\n *\n * @param bgRgba The background color in rgba format.\n * @param fgRgba The foreground color in rgba format.\n * @param ratio The contrast ratio to achieve.\n */\n export function ensureContrastRatio(bgRgba: number, fgRgba: number, ratio: number): number | undefined {\n const bgL = rgb.relativeLuminance(bgRgba >> 8);\n const fgL = rgb.relativeLuminance(fgRgba >> 8);\n const cr = contrastRatio(bgL, fgL);\n if (cr < ratio) {\n if (fgL < bgL) {\n const resultA = reduceLuminance(bgRgba, fgRgba, ratio);\n const resultARatio = contrastRatio(bgL, rgb.relativeLuminance(resultA >> 8));\n if (resultARatio < ratio) {\n const resultB = increaseLuminance(bgRgba, fgRgba, ratio);\n const resultBRatio = contrastRatio(bgL, rgb.relativeLuminance(resultB >> 8));\n return resultARatio > resultBRatio ? resultA : resultB;\n }\n return resultA;\n }\n const resultA = increaseLuminance(bgRgba, fgRgba, ratio);\n const resultARatio = contrastRatio(bgL, rgb.relativeLuminance(resultA >> 8));\n if (resultARatio < ratio) {\n const resultB = reduceLuminance(bgRgba, fgRgba, ratio);\n const resultBRatio = contrastRatio(bgL, rgb.relativeLuminance(resultB >> 8));\n return resultARatio > resultBRatio ? resultA : resultB;\n }\n return resultA;\n }\n return undefined;\n }\n\n export function reduceLuminance(bgRgba: number, fgRgba: number, ratio: number): number {\n // This is a naive but fast approach to reducing luminance as converting to\n // HSL and back is expensive\n const bgR = (bgRgba >> 24) & 0xFF;\n const bgG = (bgRgba >> 16) & 0xFF;\n const bgB = (bgRgba >> 8) & 0xFF;\n let fgR = (fgRgba >> 24) & 0xFF;\n let fgG = (fgRgba >> 16) & 0xFF;\n let fgB = (fgRgba >> 8) & 0xFF;\n let cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n while (cr < ratio && (fgR > 0 || fgG > 0 || fgB > 0)) {\n // Reduce by 10% until the ratio is hit\n fgR -= Math.max(0, Math.ceil(fgR * 0.1));\n fgG -= Math.max(0, Math.ceil(fgG * 0.1));\n fgB -= Math.max(0, Math.ceil(fgB * 0.1));\n cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n }\n return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;\n }\n\n export function increaseLuminance(bgRgba: number, fgRgba: number, ratio: number): number {\n // This is a naive but fast approach to increasing luminance as converting to\n // HSL and back is expensive\n const bgR = (bgRgba >> 24) & 0xFF;\n const bgG = (bgRgba >> 16) & 0xFF;\n const bgB = (bgRgba >> 8) & 0xFF;\n let fgR = (fgRgba >> 24) & 0xFF;\n let fgG = (fgRgba >> 16) & 0xFF;\n let fgB = (fgRgba >> 8) & 0xFF;\n let cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n while (cr < ratio && (fgR < 0xFF || fgG < 0xFF || fgB < 0xFF)) {\n // Increase by 10% until the ratio is hit\n fgR = Math.min(0xFF, fgR + Math.ceil((255 - fgR) * 0.1));\n fgG = Math.min(0xFF, fgG + Math.ceil((255 - fgG) * 0.1));\n fgB = Math.min(0xFF, fgB + Math.ceil((255 - fgB) * 0.1));\n cr = contrastRatio(rgb.relativeLuminance2(fgR, fgG, fgB), rgb.relativeLuminance2(bgR, bgG, bgB));\n }\n return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;\n }\n\n export function toChannels(value: number): [number, number, number, number] {\n return [(value >> 24) & 0xFF, (value >> 16) & 0xFF, (value >> 8) & 0xFF, value & 0xFF];\n }\n}\n\nexport function toPaddedHex(c: number): string {\n const s = c.toString(16);\n return s.length < 2 ? '0' + s : s;\n}\n\n/**\n * Gets the contrast ratio between two relative luminance values.\n * @param l1 The first relative luminance.\n * @param l2 The second relative luminance.\n * @see https://www.w3.org/TR/WCAG20/#contrast-ratiodef\n */\nexport function contrastRatio(l1: number, l2: number): number {\n if (l1 < l2) {\n return (l2 + 0.05) / (l1 + 0.05);\n }\n return (l1 + 0.05) / (l2 + 0.05);\n}\n", "/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColor, ITerminalOptions } from '../common/Types';\nimport { CharData, IBuffer } from '../common/buffer/Types';\nimport { ICoreTerminal } from '../common/CoreTerminal';\nimport { IDisposable, IRenderDimensions as IRenderDimensionsApi, Terminal as ITerminalApi } from '@xterm/xterm';\nimport { channels, css } from '../common/Color';\nimport type { IEvent } from '../common/Event';\n\n/**\n * A portion of the public API that are implemented identially internally and simply passed through.\n */\ntype InternalPassthroughApis = Omit;\n\nexport interface ITerminal extends InternalPassthroughApis, ICoreTerminal {\n screenElement: HTMLElement | undefined;\n browser: IBrowser;\n buffer: IBuffer;\n linkifier: ILinkifier2 | undefined;\n options: Required;\n\n readonly dimensions: IRenderDimensionsApi | undefined;\n\n onBlur: IEvent;\n onFocus: IEvent;\n onDimensionsChange: IEvent;\n onA11yChar: IEvent;\n onA11yTab: IEvent;\n onWillOpen: IEvent;\n}\n\nexport type CustomKeyEventHandler = (event: KeyboardEvent) => boolean;\nexport type CustomWheelEventHandler = (event: WheelEvent) => boolean;\n\nexport type LineData = CharData[];\n\nexport interface ICompositionHelper {\n readonly isComposing: boolean;\n compositionstart(): void;\n compositionupdate(ev: CompositionEvent): void;\n compositionend(): void;\n updateCompositionElements(dontRecurse?: boolean): void;\n keydown(ev: KeyboardEvent): boolean;\n}\n\nexport interface IBrowser {\n isNode: boolean;\n userAgent: string;\n platform: string;\n isFirefox: boolean;\n isMac: boolean;\n isIpad: boolean;\n isIphone: boolean;\n isWindows: boolean;\n}\n\nexport interface IColorSet {\n foreground: IColor;\n background: IColor;\n cursor: IColor;\n cursorAccent: IColor;\n selectionForeground: IColor | undefined;\n selectionBackgroundTransparent: IColor;\n /** The selection blended on top of background. */\n selectionBackgroundOpaque: IColor;\n selectionInactiveBackgroundTransparent: IColor;\n selectionInactiveBackgroundOpaque: IColor;\n scrollbarSliderBackground: IColor;\n scrollbarSliderHoverBackground: IColor;\n scrollbarSliderActiveBackground: IColor;\n overviewRulerBorder: IColor;\n ansi: IColor[];\n /** Maps original colors to colors that respect minimum contrast ratio. */\n contrastCache: IColorContrastCache;\n /** Maps original colors to colors that respect _half_ of the minimum contrast ratio. */\n halfContrastCache: IColorContrastCache;\n}\n\nexport type ReadonlyColorSet = Readonly> & { ansi: Readonly['ansi']> };\n\nexport interface IColorContrastCache {\n clear(): void;\n setCss(bg: number, fg: number, value: string | null): void;\n getCss(bg: number, fg: number): string | null | undefined;\n setColor(bg: number, fg: number, value: IColor | null): void;\n getColor(bg: number, fg: number): IColor | null | undefined;\n}\n\nexport interface IPartialColorSet {\n foreground: IColor;\n background: IColor;\n cursor?: IColor;\n cursorAccent?: IColor;\n selectionBackground?: IColor;\n ansi: IColor[];\n}\n\nexport interface IViewport extends IDisposable {\n scrollBarWidth: number;\n readonly onRequestScrollLines: IEvent<{ amount: number, suppressScrollEvent: boolean }>;\n syncScrollArea(immediate?: boolean, force?: boolean): void;\n getLinesScrolled(ev: WheelEvent): number;\n getBufferElements(startLine: number, endLine?: number): { bufferElements: HTMLElement[], cursorElement?: HTMLElement };\n handleWheel(ev: WheelEvent): boolean;\n handleTouchStart(ev: TouchEvent): void;\n handleTouchMove(ev: TouchEvent): boolean;\n scrollLines(disp: number): void; // todo api name?\n reset(): void;\n}\n\nexport interface ILinkifierEvent {\n x1: number;\n y1: number;\n x2: number;\n y2: number;\n cols: number;\n fg: number | undefined;\n}\n\ninterface ILinkState {\n decorations: ILinkDecorations;\n isHovered: boolean;\n}\nexport interface ILinkWithState {\n link: ILink;\n state?: ILinkState;\n}\n\nexport interface ILinkifier2 extends IDisposable {\n onShowLinkUnderline: IEvent;\n onHideLinkUnderline: IEvent;\n readonly currentLink: ILinkWithState | undefined;\n}\n\nexport interface ILink {\n range: IBufferRange;\n text: string;\n decorations?: ILinkDecorations;\n activate(event: MouseEvent, text: string): void;\n hover?(event: MouseEvent, text: string): void;\n leave?(event: MouseEvent, text: string): void;\n dispose?(): void;\n}\n\nexport interface ILinkDecorations {\n pointerCursor: boolean;\n underline: boolean;\n}\n\nexport interface IBufferRange {\n start: IBufferCellPosition;\n end: IBufferCellPosition;\n}\n\nexport interface IBufferCellPosition {\n x: number;\n y: number;\n}\n\nexport type CharacterJoinerHandler = (text: string) => [number, number][];\n\nexport interface ICharacterJoiner {\n id: number;\n handler: CharacterJoinerHandler;\n}\n\nexport interface IRenderDebouncer extends IDisposable {\n refresh(rowStart: number | undefined, rowEnd: number | undefined, rowCount: number): void;\n}\n\nexport interface IRenderDebouncerWithCallback extends IRenderDebouncer {\n addRefreshCallback(callback: FrameRequestCallback): number;\n}\n\nexport interface IBufferElementProvider {\n provideBufferElements(): DocumentFragment | HTMLElement;\n}\n\n// An IIFE to generate DEFAULT_ANSI_COLORS.\nexport const DEFAULT_ANSI_COLORS = Object.freeze((() => {\n const colors = [\n // dark:\n css.toColor('#2e3436'),\n css.toColor('#cc0000'),\n css.toColor('#4e9a06'),\n css.toColor('#c4a000'),\n css.toColor('#3465a4'),\n css.toColor('#75507b'),\n css.toColor('#06989a'),\n css.toColor('#d3d7cf'),\n // bright:\n css.toColor('#555753'),\n css.toColor('#ef2929'),\n css.toColor('#8ae234'),\n css.toColor('#fce94f'),\n css.toColor('#729fcf'),\n css.toColor('#ad7fa8'),\n css.toColor('#34e2e2'),\n css.toColor('#eeeeec')\n ];\n\n // Fill in the remaining 240 ANSI colors.\n // Generate colors (16-231)\n const v = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff];\n for (let i = 0; i < 216; i++) {\n const r = v[(i / 36) % 6 | 0];\n const g = v[(i / 6) % 6 | 0];\n const b = v[i % 6];\n colors.push({\n css: channels.toCss(r, g, b),\n rgba: channels.toRgba(r, g, b)\n });\n }\n\n // Generate greys (232-255)\n for (let i = 0; i < 24; i++) {\n const c = 8 + i * 10;\n colors.push({\n css: channels.toCss(c, c, c),\n rgba: channels.toRgba(c, c, c)\n });\n }\n\n return colors;\n})());\n", "/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n *\n * (EXPERIMENTAL) This Addon is still under development\n */\n\nimport type { IBuffer, IBufferCell, IBufferRange, ITerminalAddon, Terminal } from '@xterm/xterm';\nimport type { IHTMLSerializeOptions, SerializeAddon as ISerializeApi, ISerializeOptions, ISerializeRange } from '@xterm/addon-serialize';\nimport { IColor } from 'common/Types';\nimport { IAttributeData } from 'common/buffer/Types';\nimport { DEFAULT_ANSI_COLORS } from 'browser/Types';\nimport { UnderlineStyle } from 'common/buffer/Constants';\n\ntype OscLinkData = { id?: string; uri: string };\ntype OscLinkedCell = { extended?: { urlId?: number } };\ntype TerminalWithOscLinks = Terminal & {\n _core?: {\n _inputHandler?: { _curAttrData?: IAttributeData & OscLinkedCell };\n _oscLinkService?: { getLinkData: (linkId: number) => OscLinkData | undefined };\n };\n};\n\nfunction getOscLinkId(cell: IBufferCell | IAttributeData): number {\n return (cell as typeof cell & OscLinkedCell).extended?.urlId ?? 0;\n}\n\nfunction getOscLinkOpenSequence(terminal: Terminal, linkId: number): string {\n if (!linkId) {\n return '';\n }\n const data = (terminal as TerminalWithOscLinks)._core?._oscLinkService?.getLinkData(linkId);\n if (!data) {\n return '';\n }\n const params = data.id === undefined ? '' : `id=${data.id}`;\n return `\\u001b]8;${params};${data.uri}\\u001b\\\\`;\n}\n\nfunction getActiveOscLinkSequence(terminal: Terminal): string {\n const attrs = (terminal as TerminalWithOscLinks)._core?._inputHandler?._curAttrData;\n return attrs ? getOscLinkOpenSequence(terminal, getOscLinkId(attrs)) : '';\n}\n\nfunction constrain(value: number, low: number, high: number): number {\n return Math.max(low, Math.min(value, high));\n}\n\nfunction escapeHTMLChar(c: string): string {\n switch (c) {\n case '&': return '&';\n case '<': return '<';\n }\n return c;\n}\n\n// TODO: Refine this template class later\nabstract class BaseSerializeHandler {\n constructor(\n protected readonly _buffer: IBuffer\n ) {\n }\n\n public serialize(range: IBufferRange, excludeFinalCursorPosition?: boolean): string {\n // we need two of them to flip between old and new cell\n const cell1 = this._buffer.getNullCell();\n const cell2 = this._buffer.getNullCell();\n let oldCell = cell1;\n\n const startRow = range.start.y;\n const endRow = range.end.y;\n const startColumn = range.start.x;\n const endColumn = range.end.x;\n\n this._beforeSerialize(endRow - startRow, startRow, endRow);\n\n for (let row = startRow; row <= endRow; row++) {\n const line = this._buffer.getLine(row);\n if (line) {\n const startLineColumn = row === range.start.y ? startColumn : 0;\n const endLineColumn = row === range.end.y ? endColumn: line.length;\n for (let col = startLineColumn; col < endLineColumn; col++) {\n const c = line.getCell(col, oldCell === cell1 ? cell2 : cell1);\n if (!c) {\n console.warn(`Can't get cell at row=${row}, col=${col}`);\n continue;\n }\n this._nextCell(c, oldCell, row, col);\n oldCell = c;\n }\n }\n this._rowEnd(row, row === endRow);\n }\n\n this._afterSerialize();\n\n return this._serializeString(excludeFinalCursorPosition);\n }\n\n protected _nextCell(cell: IBufferCell, oldCell: IBufferCell, row: number, col: number): void { }\n protected _rowEnd(row: number, isLastRow: boolean): void { }\n protected _beforeSerialize(rows: number, startRow: number, endRow: number): void { }\n protected _afterSerialize(): void { }\n protected _serializeString(excludeFinalCursorPosition?: boolean): string { return ''; }\n}\n\nfunction equalFg(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n return cell1.getFgColorMode() === cell2.getFgColorMode()\n && cell1.getFgColor() === cell2.getFgColor();\n}\n\nfunction equalBg(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n return cell1.getBgColorMode() === cell2.getBgColorMode()\n && cell1.getBgColor() === cell2.getBgColor();\n}\n\nfunction equalUnderline(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n // If neither cell has underline, consider them equal regardless of internal underline color\n // values\n if (!cell1.isUnderline() && !cell2.isUnderline()) {\n return true;\n }\n if (cell1.getUnderlineStyle() !== cell2.getUnderlineStyle()) {\n return false;\n }\n const cell1Default = cell1.isUnderlineColorDefault();\n const cell2Default = cell2.isUnderlineColorDefault();\n if (cell1Default && cell2Default) {\n return true;\n }\n if (cell1Default !== cell2Default) {\n return false;\n }\n return cell1.getUnderlineColor() === cell2.getUnderlineColor()\n && cell1.getUnderlineColorMode() === cell2.getUnderlineColorMode();\n}\n\nfunction equalFlags(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n return cell1.isInverse() === cell2.isInverse()\n && cell1.isBold() === cell2.isBold()\n && cell1.isUnderline() === cell2.isUnderline()\n && equalUnderline(cell1, cell2)\n && cell1.isOverline() === cell2.isOverline()\n && cell1.isBlink() === cell2.isBlink()\n && cell1.isInvisible() === cell2.isInvisible()\n && cell1.isItalic() === cell2.isItalic()\n && cell1.isDim() === cell2.isDim()\n && cell1.isStrikethrough() === cell2.isStrikethrough();\n}\n\nfunction attributesEquals(cell1: IBufferCell | IAttributeData, cell2: IBufferCell): boolean {\n const cell1AsBufferCell = cell1 as IBufferCell;\n if (typeof cell1AsBufferCell.attributesEquals === 'function') {\n return cell1AsBufferCell.attributesEquals(cell2);\n }\n return equalFg(cell1, cell2)\n && equalBg(cell1, cell2)\n && equalFlags(cell1, cell2);\n}\n\nclass StringSerializeHandler extends BaseSerializeHandler {\n private _rowIndex: number = 0;\n private _allRows: string[] = new Array();\n private _allRowSeparators: string[] = new Array();\n private _currentRow: string = '';\n private _nullCellCount: number = 0;\n\n // we can see a full colored cell and a null cell that only have background the same style\n // but the information isn't preserved by null cell itself\n // so wee need to record it when required.\n private _cursorStyle: IBufferCell = this._buffer.getNullCell();\n\n // where exact the cursor styles comes from\n // because we can't copy the cell directly\n // so we remember where the content comes from instead\n private _cursorStyleRow: number = 0;\n private _cursorStyleCol: number = 0;\n\n // this is a null cell for reference for checking whether background is empty or not\n private _backgroundCell: IBufferCell = this._buffer.getNullCell();\n private _defaultCell: IBufferCell = this._buffer.getNullCell();\n\n private _firstRow: number = 0;\n private _lastCursorRow: number = 0;\n private _lastCursorCol: number = 0;\n private _lastContentCursorRow: number = 0;\n private _lastContentCursorCol: number = 0;\n private _activeOscLinkId: number = 0;\n\n constructor(\n buffer: IBuffer,\n private readonly _terminal: Terminal\n ) {\n super(buffer);\n }\n\n protected _beforeSerialize(rows: number, start: number, end: number): void {\n this._allRows = new Array(rows);\n this._lastContentCursorRow = start;\n this._lastCursorRow = start;\n this._firstRow = start;\n }\n\n private _thisRowLastChar: IBufferCell = this._buffer.getNullCell();\n private _thisRowLastSecondChar: IBufferCell = this._buffer.getNullCell();\n private _nextRowFirstChar: IBufferCell = this._buffer.getNullCell();\n protected _rowEnd(row: number, isLastRow: boolean): void {\n // if there is colorful empty cell at line end, we must pad it back, or the color block\n // will missing\n if (this._nullCellCount > 0 && !equalBg(this._cursorStyle, this._backgroundCell)) {\n // use clear right to set background.\n this._currentRow += `\\u001b[${this._nullCellCount}X`;\n }\n\n let rowSeparator = '';\n\n // handle row separator\n if (!isLastRow) {\n // Enable BCE\n if (row - this._firstRow >= this._terminal.rows) {\n this._buffer.getLine(this._cursorStyleRow)?.getCell(this._cursorStyleCol, this._backgroundCell);\n }\n\n // Fetch current line\n const currentLine = this._buffer.getLine(row)!;\n // Fetch next line\n const nextLine = this._buffer.getLine(row + 1)!;\n\n if (!nextLine.isWrapped) {\n // just insert the line break\n rowSeparator = '\\r\\n';\n // we sended the enter\n this._lastCursorRow = row + 1;\n this._lastCursorCol = 0;\n } else {\n rowSeparator = '';\n const thisRowLastChar = currentLine.getCell(currentLine.length - 1, this._thisRowLastChar)!;\n const thisRowLastSecondChar = currentLine.getCell(currentLine.length - 2, this._thisRowLastSecondChar)!;\n const nextRowFirstChar = nextLine.getCell(0, this._nextRowFirstChar)!;\n const isNextRowFirstCharDoubleWidth = nextRowFirstChar.getWidth() > 1;\n\n // validate whether this line wrap is ever possible\n // which mean whether cursor can placed at a overflow position (x === row) naturally\n let isValid = false;\n\n if (\n // you must output character to cause overflow, control sequence can't do this\n nextRowFirstChar.getChars() &&\n (isNextRowFirstCharDoubleWidth ? this._nullCellCount <= 1 : this._nullCellCount <= 0)\n ) {\n if (\n // the last character can't be null,\n // you can't use control sequence to move cursor to (x === row)\n (thisRowLastChar.getChars() || thisRowLastChar.getWidth() === 0) &&\n // change background of the first wrapped cell also affects BCE\n // so we mark it as invalid to simplify the process to determine line separator\n equalBg(thisRowLastChar, nextRowFirstChar)\n ) {\n isValid = true;\n }\n\n if (\n // the second to last character can't be null if the next line starts with CJK,\n // you can't use control sequence to move cursor to (x === row)\n isNextRowFirstCharDoubleWidth &&\n (thisRowLastSecondChar.getChars() || thisRowLastSecondChar.getWidth() === 0) &&\n // change background of the first wrapped cell also affects BCE\n // so we mark it as invalid to simplify the process to determine line separator\n equalBg(thisRowLastChar, nextRowFirstChar) &&\n equalBg(thisRowLastSecondChar, nextRowFirstChar)\n ) {\n isValid = true;\n }\n }\n\n if (!isValid) {\n // force the wrap with magic\n // insert enough character to force the wrap\n rowSeparator = '-'.repeat(this._nullCellCount + 1);\n // move back and erase next line head\n rowSeparator += '\\u001b[1D\\u001b[1X';\n\n if (this._nullCellCount > 0) {\n // do these because we filled the last several null slot, which we shouldn't\n rowSeparator += '\\u001b[A';\n const contentCellCount = currentLine.length - this._nullCellCount;\n if (contentCellCount > 0) {\n rowSeparator += `\\u001b[${contentCellCount}C`;\n }\n rowSeparator += `\\u001b[${this._nullCellCount}X`;\n if (contentCellCount > 0) {\n rowSeparator += `\\u001b[${contentCellCount}D`;\n }\n rowSeparator += '\\u001b[B';\n }\n\n // This is content and need the be serialized even it is invisible.\n // without this, wrap will be missing from outputs.\n this._lastContentCursorRow = row + 1;\n this._lastContentCursorCol = 0;\n\n // force commit the cursor position\n this._lastCursorRow = row + 1;\n this._lastCursorCol = 0;\n }\n }\n }\n\n this._allRows[this._rowIndex] = this._currentRow;\n this._allRowSeparators[this._rowIndex++] = rowSeparator;\n this._currentRow = '';\n this._nullCellCount = 0;\n }\n\n private _diffStyle(cell: IBufferCell | IAttributeData, oldCell: IBufferCell): number[] {\n const sgrSeq: number[] = [];\n if (attributesEquals(cell, oldCell)) {\n return sgrSeq;\n }\n const fgChanged = !equalFg(cell, oldCell);\n const bgChanged = !equalBg(cell, oldCell);\n const flagsChanged = !equalFlags(cell, oldCell);\n\n if (fgChanged || bgChanged || flagsChanged) {\n if (cell.isAttributeDefault()) {\n if (!oldCell.isAttributeDefault()) {\n sgrSeq.push(0);\n }\n } else {\n if (fgChanged) {\n const color = cell.getFgColor();\n if (cell.isFgRGB()) { sgrSeq.push(38, 2, (color >>> 16) & 0xFF, (color >>> 8) & 0xFF, color & 0xFF); }\n else if (cell.isFgPalette()) {\n if (color >= 16) { sgrSeq.push(38, 5, color); }\n else { sgrSeq.push(color & 8 ? 90 + (color & 7) : 30 + (color & 7)); }\n }\n else { sgrSeq.push(39); }\n }\n if (bgChanged) {\n const color = cell.getBgColor();\n if (cell.isBgRGB()) { sgrSeq.push(48, 2, (color >>> 16) & 0xFF, (color >>> 8) & 0xFF, color & 0xFF); }\n else if (cell.isBgPalette()) {\n if (color >= 16) { sgrSeq.push(48, 5, color); }\n else { sgrSeq.push(color & 8 ? 100 + (color & 7) : 40 + (color & 7)); }\n }\n else { sgrSeq.push(49); }\n }\n if (flagsChanged) {\n if (cell.isInverse() !== oldCell.isInverse()) { sgrSeq.push(cell.isInverse() ? 7 : 27); }\n // PATCH(orca): bold (1) and dim (2) share the single reset param 22, so\n // they must be diffed as one intensity group with the clearing 22 emitted\n // BEFORE any re-set. Upstream's independent per-flag diff could emit\n // \"1;22\" (bold set, then wiped by dim's clear \u2014 \\x1b[2mA\\x1b[22m\\x1b[1mB\n // loses B's bold on round-trip) or a bare \"22\" that drops a still-set\n // bold/dim, garbling Orca's hidden-terminal snapshot restores.\n const boldChanged = cell.isBold() !== oldCell.isBold();\n const dimChanged = cell.isDim() !== oldCell.isDim();\n if (boldChanged || dimChanged) {\n const clearsIntensity = (boldChanged && !cell.isBold()) || (dimChanged && !cell.isDim());\n if (clearsIntensity) { sgrSeq.push(22); }\n if (cell.isBold() && (boldChanged || clearsIntensity)) { sgrSeq.push(1); }\n if (cell.isDim() && (dimChanged || clearsIntensity)) { sgrSeq.push(2); }\n }\n if (!equalUnderline(cell, oldCell)) {\n const style = cell.getUnderlineStyle();\n if (style === UnderlineStyle.NONE) {\n sgrSeq.push(24);\n } else if (style === UnderlineStyle.SINGLE && cell.isUnderlineColorDefault()) {\n sgrSeq.push(4);\n } else {\n // Use SGR 4:X format for underline styles\n sgrSeq.push('4:' + style as unknown as number);\n // Handle underline color\n if (!cell.isUnderlineColorDefault()) {\n const color = cell.getUnderlineColor();\n if (cell.isUnderlineColorRGB()) {\n sgrSeq.push('58:2::' + ((color >>> 16) & 0xFF) + ':' + ((color >>> 8) & 0xFF) + ':' + (color & 0xFF) as unknown as number);\n } else {\n sgrSeq.push('58:5:' + color as unknown as number);\n }\n }\n }\n } else if (cell.isUnderline() !== oldCell.isUnderline()) {\n sgrSeq.push(cell.isUnderline() ? 4 : 24);\n }\n if (cell.isOverline() !== oldCell.isOverline()) { sgrSeq.push(cell.isOverline() ? 53 : 55); }\n if (cell.isBlink() !== oldCell.isBlink()) { sgrSeq.push(cell.isBlink() ? 5 : 25); }\n if (cell.isInvisible() !== oldCell.isInvisible()) { sgrSeq.push(cell.isInvisible() ? 8 : 28); }\n if (cell.isItalic() !== oldCell.isItalic()) { sgrSeq.push(cell.isItalic() ? 3 : 23); }\n // PATCH(orca): dim handled in the intensity group above.\n if (cell.isStrikethrough() !== oldCell.isStrikethrough()) { sgrSeq.push(cell.isStrikethrough() ? 9 : 29); }\n }\n }\n }\n\n return sgrSeq;\n }\n\n private _setOscLink(linkId: number): string {\n if (linkId === this._activeOscLinkId) {\n return '';\n }\n let sequence = this._activeOscLinkId ? '\\u001b]8;;\\u001b\\\\' : '';\n this._activeOscLinkId = 0;\n const openSequence = getOscLinkOpenSequence(this._terminal, linkId);\n if (openSequence) {\n this._activeOscLinkId = linkId;\n sequence += openSequence;\n }\n return sequence;\n }\n\n protected _nextCell(cell: IBufferCell, oldCell: IBufferCell, row: number, col: number): void {\n // a width 0 cell don't need to be count because it is just a placeholder after a CJK character;\n const isPlaceHolderCell = cell.getWidth() === 0;\n\n if (isPlaceHolderCell) {\n return;\n }\n\n // this cell don't have content\n const isEmptyCell = cell.getChars() === '';\n const nextLine = isEmptyCell && cell.isInverse() ? this._buffer.getLine(row + 1) : undefined;\n const nextRowFirstCell = nextLine?.getCell(0, this._nextRowFirstChar);\n // A pending wide glyph recreates its own final-column padding during replay.\n const isWideWrapPadding = col === this._terminal.cols - 1 &&\n nextLine?.isWrapped &&\n (nextRowFirstCell?.getWidth() ?? 0) > 1 &&\n !!nextRowFirstCell && attributesEquals(cell, nextRowFirstCell);\n // Cursor movement cannot reproduce an inverse cell's visible background.\n const materializeEmptyCell = isEmptyCell && !!cell.isInverse() && !isWideWrapPadding;\n\n const sgrSeq = this._diffStyle(cell, this._cursorStyle);\n\n const styleChanged = isEmptyCell\n ? materializeEmptyCell ? sgrSeq.length > 0 : !equalBg(this._cursorStyle, cell)\n : sgrSeq.length > 0;\n\n /**\n * handles style change\n */\n if (styleChanged) {\n // before update the style, we need to fill empty cell back\n if (this._nullCellCount > 0) {\n // use clear right to set background.\n if (!equalBg(this._cursorStyle, this._backgroundCell)) {\n this._currentRow += `\\u001b[${this._nullCellCount}X`;\n }\n // use move right to move cursor.\n this._currentRow += `\\u001b[${this._nullCellCount}C`;\n this._nullCellCount = 0;\n }\n\n this._lastContentCursorRow = this._lastCursorRow = row;\n this._lastContentCursorCol = this._lastCursorCol = col;\n\n this._currentRow += `\\u001b[${sgrSeq.join(';')}m`;\n\n // update the last cursor style\n const line = this._buffer.getLine(row);\n if (line !== undefined) {\n line.getCell(col, this._cursorStyle);\n this._cursorStyleRow = row;\n this._cursorStyleCol = col;\n }\n }\n\n /**\n * handles actual content\n */\n if (isEmptyCell && !materializeEmptyCell) {\n this._nullCellCount += cell.getWidth();\n } else {\n if (this._nullCellCount > 0) {\n // we can just assume we have same style with previous one here\n // because style change is handled by previous stage\n // use move right when background is empty, use clear right when there is background.\n if (equalBg(this._cursorStyle, this._backgroundCell)) {\n this._currentRow += `\\u001b[${this._nullCellCount}C`;\n } else {\n this._currentRow += `\\u001b[${this._nullCellCount}X`;\n this._currentRow += `\\u001b[${this._nullCellCount}C`;\n }\n this._nullCellCount = 0;\n }\n\n // PATCH(orca): styling alone leaves restored OSC 8 links looking live but unclickable.\n this._currentRow += this._setOscLink(getOscLinkId(cell));\n\n if (materializeEmptyCell) {\n const hasDecoration = !!cell.isUnderline() || !!cell.isStrikethrough() || !!cell.isOverline();\n if (hasDecoration) {\n this._currentRow += '\\u001b[24;29;55m';\n }\n this._currentRow += ' '.repeat(cell.getWidth());\n if (hasDecoration) {\n const restoreSgrSeq = this._diffStyle(cell, this._defaultCell);\n this._currentRow += `\\u001b[0m\\u001b[${restoreSgrSeq.join(';')}m`;\n }\n } else {\n this._currentRow += cell.getChars();\n }\n\n // update cursor\n this._lastContentCursorRow = this._lastCursorRow = row;\n this._lastContentCursorCol = this._lastCursorCol = col + cell.getWidth();\n }\n }\n\n protected _serializeString(excludeFinalCursorPosition: boolean): string {\n let rowEnd = this._allRows.length;\n\n // the fixup is only required for data without scrollback\n // because it will always be placed at last line otherwise\n if (this._buffer.length - this._firstRow <= this._terminal.rows) {\n rowEnd = this._lastContentCursorRow + 1 - this._firstRow;\n this._lastCursorCol = this._lastContentCursorCol;\n this._lastCursorRow = this._lastContentCursorRow;\n }\n\n let content = '';\n\n for (let i = 0; i < rowEnd; i++) {\n content += this._allRows[i];\n if (i + 1 < rowEnd) {\n content += this._allRowSeparators[i];\n }\n }\n\n // Each buffer is self-contained so links cannot leak into a following buffer.\n content += this._setOscLink(0);\n\n // restore the cursor\n if (!excludeFinalCursorPosition) {\n const realCursorRow = this._buffer.baseY + this._buffer.cursorY;\n const realCursorCol = this._buffer.cursorX;\n\n const cursorMoved = (realCursorRow !== this._lastCursorRow || realCursorCol !== this._lastCursorCol);\n\n const moveRight = (offset: number): void => {\n if (offset > 0) {\n content += `\\u001b[${offset}C`;\n } else if (offset < 0) {\n content += `\\u001b[${-offset}D`;\n }\n };\n const moveDown = (offset: number): void => {\n if (offset > 0) {\n content += `\\u001b[${offset}B`;\n } else if (offset < 0) {\n content += `\\u001b[${-offset}A`;\n }\n };\n\n if (cursorMoved) {\n moveDown(realCursorRow - this._lastCursorRow);\n moveRight(realCursorCol - this._lastCursorCol);\n }\n }\n\n // Restore the cursor's current style, see https://github.com/xtermjs/xterm.js/issues/3677\n // HACK: Internal API access since it's awkward to expose this in the API and serialize will\n // likely be the only consumer\n const curAttrData: IAttributeData = (this._terminal as any)._core._inputHandler._curAttrData;\n const sgrSeq = this._diffStyle(curAttrData, this._cursorStyle);\n if (sgrSeq.length > 0) {\n content += `\\u001b[${sgrSeq.join(';')}m`;\n }\n\n return content;\n }\n}\n\nexport class SerializeAddon implements ITerminalAddon, ISerializeApi {\n private _terminal: Terminal | undefined;\n\n public activate(terminal: Terminal): void {\n this._terminal = terminal;\n }\n\n private _serializeBufferByScrollback(terminal: Terminal, buffer: IBuffer, scrollback?: number): string {\n const maxRows = buffer.length;\n const correctRows = (scrollback === undefined) ? maxRows : constrain(scrollback + terminal.rows, 0, maxRows);\n return this._serializeBufferByRange(terminal, buffer, {\n start: maxRows - correctRows,\n end: maxRows - 1\n }, false);\n }\n\n private _serializeBufferByRange(terminal: Terminal, buffer: IBuffer, range: ISerializeRange, excludeFinalCursorPosition: boolean): string {\n const handler = new StringSerializeHandler(buffer, terminal);\n return handler.serialize({\n start: { x: 0, y: typeof range.start === 'number' ? range.start : range.start.line },\n end: { x: terminal.cols, y: typeof range.end === 'number' ? range.end : range.end.line }\n }, excludeFinalCursorPosition);\n }\n\n private _serializeBufferAsHTML(terminal: Terminal, options: Partial): string {\n const buffer = terminal.buffer.active;\n const handler = new HTMLSerializeHandler(buffer, terminal, options);\n const onlySelection = options.onlySelection ?? false;\n const range = options.range;\n if (range) {\n return handler.serialize({\n start: { x: range.startCol, y: typeof range.startLine === 'number' ? range.startLine : range.startLine },\n end: { x: terminal.cols, y: typeof range.endLine === 'number' ? range.endLine : range.endLine }\n });\n }\n if (!onlySelection) {\n const maxRows = buffer.length;\n const scrollback = options.scrollback;\n const correctRows = (scrollback === undefined) ? maxRows : constrain(scrollback + terminal.rows, 0, maxRows);\n return handler.serialize({\n start: { x: 0, y: maxRows - correctRows },\n end: { x: terminal.cols, y: maxRows - 1 }\n });\n }\n\n const selection = this._terminal?.getSelectionPosition();\n if (selection !== undefined) {\n return handler.serialize({\n start: { x: selection.start.x, y: selection.start.y },\n end: { x: selection.end.x, y: selection.end.y }\n });\n }\n\n return '';\n }\n\n /**\n * Serializes the scroll region (DECSTBM) if it's not set to the full terminal size.\n * Uses internal API access since scroll region is not exposed in the public API.\n */\n private _serializeScrollRegion(terminal: Terminal): string {\n // HACK: Internal API access since scroll region is not exposed in the public API\n const buffer = (terminal as any)._core.buffer;\n const scrollTop: number = buffer.scrollTop;\n const scrollBottom: number = buffer.scrollBottom;\n\n // Only serialize if scroll region is not the default (full terminal size)\n if (scrollTop !== 0 || scrollBottom !== terminal.rows - 1) {\n // DECSTBM uses 1-based indices: CSI Ps ; Ps r\n return `\\x1b[${scrollTop + 1};${scrollBottom + 1}r`;\n }\n\n return '';\n }\n\n private _serializeModes(terminal: Terminal): string {\n let content = '';\n const modes = terminal.modes;\n\n // Default: false\n if (modes.applicationCursorKeysMode) content += '\\x1b[?1h';\n if (modes.applicationKeypadMode) content += '\\x1b[?66h';\n if (modes.bracketedPasteMode) content += '\\x1b[?2004h';\n if (modes.insertMode) content += '\\x1b[4h';\n if (modes.originMode) content += '\\x1b[?6h';\n if (modes.reverseWraparoundMode) content += '\\x1b[?45h';\n if (modes.sendFocusMode) content += '\\x1b[?1004h';\n // synchronizedOutputMode doesn't need to be serialized as it's a temporary mode\n\n // Default: true\n if (modes.wraparoundMode === false) content += '\\x1b[?7l';\n\n // Default: 'none'\n if (modes.mouseTrackingMode !== 'none') {\n switch (modes.mouseTrackingMode) {\n case 'x10': content += '\\x1b[?9h'; break;\n case 'vt200': content += '\\x1b[?1000h'; break;\n case 'drag': content += '\\x1b[?1002h'; break;\n case 'any': content += '\\x1b[?1003h'; break;\n }\n }\n\n // Cursor visibility (DECTCEM)\n // Default: visible\n if (!modes.showCursor) {\n content += '\\x1b[?25l';\n }\n\n return content;\n }\n\n public serialize(options?: ISerializeOptions): string {\n // TODO: Add combinedData support\n if (!this._terminal) {\n throw new Error('Cannot use addon until it has been loaded');\n }\n\n // Normal buffer\n let content = options?.range\n ? this._serializeBufferByRange(this._terminal, this._terminal.buffer.normal, options.range, true)\n : this._serializeBufferByScrollback(this._terminal, this._terminal.buffer.normal, options?.scrollback);\n\n // Alternate buffer\n if (!options?.excludeAltBuffer) {\n if (this._terminal.buffer.active.type === 'alternate') {\n const alternativeScreenContent = this._serializeBufferByScrollback(this._terminal, this._terminal.buffer.alternate, undefined);\n content += `\\u001b[?1049h\\u001b[H${alternativeScreenContent}`;\n }\n }\n\n // Modes and scroll region\n if (!options?.excludeModes) {\n content += this._serializeModes(this._terminal);\n content += this._serializeScrollRegion(this._terminal);\n }\n\n // Restore the source terminal's live OSC pen only after all buffers are complete.\n content += getActiveOscLinkSequence(this._terminal);\n\n return content;\n }\n\n public serializeAsHTML(options?: Partial): string {\n if (!this._terminal) {\n throw new Error('Cannot use addon until it has been loaded');\n }\n\n return this._serializeBufferAsHTML(this._terminal, options ?? {});\n }\n\n public dispose(): void { }\n}\n\nexport class HTMLSerializeHandler extends BaseSerializeHandler {\n private _currentRow: string = '';\n\n private _htmlContent = '';\n\n private _ansiColors: Readonly;\n\n constructor(\n buffer: IBuffer,\n private readonly _terminal: Terminal,\n private readonly _options: Partial\n ) {\n super(buffer);\n\n // For xterm headless: fallback to ansi colors\n if ((_terminal as any)._core._themeService) {\n this._ansiColors = (_terminal as any)._core._themeService.colors.ansi;\n }\n else {\n this._ansiColors = DEFAULT_ANSI_COLORS;\n }\n }\n\n protected _beforeSerialize(rows: number, start: number, end: number): void {\n this._htmlContent += '
';\n\n    let foreground = '#000000';\n    let background = '#ffffff';\n    if (this._options.includeGlobalBackground ?? false) {\n      foreground = this._terminal.options.theme?.foreground ?? '#ffffff';\n      background = this._terminal.options.theme?.background ?? '#000000';\n    }\n\n    const globalStyleDefinitions = [];\n    globalStyleDefinitions.push('color: ' + foreground + ';');\n    globalStyleDefinitions.push('background-color: ' + background + ';');\n    globalStyleDefinitions.push('font-family: ' + this._terminal.options.fontFamily + ';');\n    globalStyleDefinitions.push('font-size: ' + this._terminal.options.fontSize + 'px;');\n    this._htmlContent += '
';\n  }\n\n  protected _afterSerialize(): void {\n    this._htmlContent += '
';\n    this._htmlContent += '
';\n }\n\n protected _rowEnd(row: number, isLastRow: boolean): void {\n this._htmlContent += '
' + this._currentRow + '
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+ "names": ["$r", "$g", "$b", "$a", "channels", "toCss", "r", "g", "b", "a", "toPaddedHex", "toRgba", "toColor", "color", "blend", "bg", "fg", "$a", "fgR", "fgG", "fgB", "bgR", "bgG", "bgB", "$r", "$g", "$b", "css", "rgba", "isOpaque", "ensureContrastRatio", "ratio", "result", "opaque", "rgbaColor", "opacity", "multiplyOpacity", "factor", "toColorRGB", "$ctx", "$litmusColor", "canvas", "ctx", "rgbaMatch", "rgb", "relativeLuminance", "relativeLuminance2", "rs", "gs", "bs", "rr", "rg", "rb", "bgRgba", "fgRgba", "bgL", "fgL", "contrastRatio", "resultA", "reduceLuminance", "resultARatio", "resultB", "increaseLuminance", "resultBRatio", "cr", "toChannels", "value", "c", "s", "l1", "l2", "DEFAULT_ANSI_COLORS", "colors", "css", "v", "i", "g", "b", "channels", "c", "getOscLinkId", "cell", "getOscLinkOpenSequence", "terminal", "linkId", "data", "getActiveOscLinkSequence", "attrs", "constrain", "value", "low", "high", "escapeHTMLChar", "c", "BaseSerializeHandler", "_buffer", "range", "excludeFinalCursorPosition", "cell1", "cell2", "oldCell", "startRow", "endRow", "startColumn", "endColumn", "row", "line", "startLineColumn", "endLineColumn", "col", "isLastRow", "rows", "equalFg", "equalBg", "equalUnderline", "cell1Default", "cell2Default", "equalFlags", "attributesEquals", "cell1AsBufferCell", "StringSerializeHandler", "buffer", "_terminal", "start", "end", "rowSeparator", "currentLine", "nextLine", "thisRowLastChar", "thisRowLastSecondChar", "nextRowFirstChar", "isNextRowFirstCharDoubleWidth", "isValid", "contentCellCount", "sgrSeq", "fgChanged", "bgChanged", "flagsChanged", "color", "boldChanged", "dimChanged", "clearsIntensity", "style", "sequence", "openSequence", "isEmptyCell", "nextRowFirstCell", "isWideWrapPadding", "materializeEmptyCell", "hasDecoration", "restoreSgrSeq", "rowEnd", "content", "realCursorRow", "realCursorCol", "cursorMoved", "moveRight", "offset", "curAttrData", "SerializeAddon", "scrollback", "maxRows", "correctRows", "options", "handler", "HTMLSerializeHandler", "onlySelection", "selection", "scrollTop", "scrollBottom", "modes", "alternativeScreenContent", "_options", "DEFAULT_ANSI_COLORS", "foreground", "background", "globalStyleDefinitions", "isFg", "x", "fgHexColor", "bgHexColor", "decorations", "underlineColor", "styleDefinitions"] } diff --git a/src/SerializeAddon.ts b/src/SerializeAddon.ts index e1728feb219c362dfa2ecb602ff99f830d520757..957da98c8b30835cc2d114b4b66b228b01fdff0a 100644 --- a/src/SerializeAddon.ts +++ b/src/SerializeAddon.ts @@ -12,6 +12,36 @@ import { IAttributeData } from 'common/buffer/Types'; import { DEFAULT_ANSI_COLORS } from 'browser/Types'; import { UnderlineStyle } from 'common/buffer/Constants'; +type OscLinkData = { id?: string; uri: string }; +type OscLinkedCell = { extended?: { urlId?: number } }; +type TerminalWithOscLinks = Terminal & { + _core?: { + _inputHandler?: { _curAttrData?: IAttributeData & OscLinkedCell }; + _oscLinkService?: { getLinkData: (linkId: number) => OscLinkData | undefined }; + }; +}; + +function getOscLinkId(cell: IBufferCell | IAttributeData): number { + return (cell as typeof cell & OscLinkedCell).extended?.urlId ?? 0; +} + +function getOscLinkOpenSequence(terminal: Terminal, linkId: number): string { + if (!linkId) { + return ''; + } + const data = (terminal as TerminalWithOscLinks)._core?._oscLinkService?.getLinkData(linkId); + if (!data) { + return ''; + } + const params = data.id === undefined ? '' : `id=${data.id}`; + return `\u001b]8;${params};${data.uri}\u001b\\`; +} + +function getActiveOscLinkSequence(terminal: Terminal): string { + const attrs = (terminal as TerminalWithOscLinks)._core?._inputHandler?._curAttrData; + return attrs ? getOscLinkOpenSequence(terminal, getOscLinkId(attrs)) : ''; +} + function constrain(value: number, low: number, high: number): number { return Math.max(low, Math.min(value, high)); } @@ -148,12 +178,14 @@ class StringSerializeHandler extends BaseSerializeHandler { // this is a null cell for reference for checking whether background is empty or not private _backgroundCell: IBufferCell = this._buffer.getNullCell(); + private _defaultCell: IBufferCell = this._buffer.getNullCell(); private _firstRow: number = 0; private _lastCursorRow: number = 0; private _lastCursorCol: number = 0; private _lastContentCursorRow: number = 0; private _lastContentCursorCol: number = 0; + private _activeOscLinkId: number = 0; constructor( buffer: IBuffer, @@ -214,7 +246,7 @@ class StringSerializeHandler extends BaseSerializeHandler { if ( // you must output character to cause overflow, control sequence can't do this nextRowFirstChar.getChars() && - isNextRowFirstCharDoubleWidth ? this._nullCellCount <= 1 : this._nullCellCount <= 0 + (isNextRowFirstCharDoubleWidth ? this._nullCellCount <= 1 : this._nullCellCount <= 0) ) { if ( // the last character can't be null, @@ -251,9 +283,14 @@ class StringSerializeHandler extends BaseSerializeHandler { if (this._nullCellCount > 0) { // do these because we filled the last several null slot, which we shouldn't rowSeparator += '\u001b[A'; - rowSeparator += `\u001b[${currentLine.length - this._nullCellCount}C`; + const contentCellCount = currentLine.length - this._nullCellCount; + if (contentCellCount > 0) { + rowSeparator += `\u001b[${contentCellCount}C`; + } rowSeparator += `\u001b[${this._nullCellCount}X`; - rowSeparator += `\u001b[${currentLine.length - this._nullCellCount}D`; + if (contentCellCount > 0) { + rowSeparator += `\u001b[${contentCellCount}D`; + } rowSeparator += '\u001b[B'; } @@ -310,7 +347,20 @@ class StringSerializeHandler extends BaseSerializeHandler { } if (flagsChanged) { if (cell.isInverse() !== oldCell.isInverse()) { sgrSeq.push(cell.isInverse() ? 7 : 27); } - if (cell.isBold() !== oldCell.isBold()) { sgrSeq.push(cell.isBold() ? 1 : 22); } + // PATCH(orca): bold (1) and dim (2) share the single reset param 22, so + // they must be diffed as one intensity group with the clearing 22 emitted + // BEFORE any re-set. Upstream's independent per-flag diff could emit + // "1;22" (bold set, then wiped by dim's clear — \x1b[2mA\x1b[22m\x1b[1mB + // loses B's bold on round-trip) or a bare "22" that drops a still-set + // bold/dim, garbling Orca's hidden-terminal snapshot restores. + const boldChanged = cell.isBold() !== oldCell.isBold(); + const dimChanged = cell.isDim() !== oldCell.isDim(); + if (boldChanged || dimChanged) { + const clearsIntensity = (boldChanged && !cell.isBold()) || (dimChanged && !cell.isDim()); + if (clearsIntensity) { sgrSeq.push(22); } + if (cell.isBold() && (boldChanged || clearsIntensity)) { sgrSeq.push(1); } + if (cell.isDim() && (dimChanged || clearsIntensity)) { sgrSeq.push(2); } + } if (!equalUnderline(cell, oldCell)) { const style = cell.getUnderlineStyle(); if (style === UnderlineStyle.NONE) { @@ -337,7 +387,7 @@ class StringSerializeHandler extends BaseSerializeHandler { if (cell.isBlink() !== oldCell.isBlink()) { sgrSeq.push(cell.isBlink() ? 5 : 25); } if (cell.isInvisible() !== oldCell.isInvisible()) { sgrSeq.push(cell.isInvisible() ? 8 : 28); } if (cell.isItalic() !== oldCell.isItalic()) { sgrSeq.push(cell.isItalic() ? 3 : 23); } - if (cell.isDim() !== oldCell.isDim()) { sgrSeq.push(cell.isDim() ? 2 : 22); } + // PATCH(orca): dim handled in the intensity group above. if (cell.isStrikethrough() !== oldCell.isStrikethrough()) { sgrSeq.push(cell.isStrikethrough() ? 9 : 29); } } } @@ -346,6 +396,20 @@ class StringSerializeHandler extends BaseSerializeHandler { return sgrSeq; } + private _setOscLink(linkId: number): string { + if (linkId === this._activeOscLinkId) { + return ''; + } + let sequence = this._activeOscLinkId ? '\u001b]8;;\u001b\\' : ''; + this._activeOscLinkId = 0; + const openSequence = getOscLinkOpenSequence(this._terminal, linkId); + if (openSequence) { + this._activeOscLinkId = linkId; + sequence += openSequence; + } + return sequence; + } + protected _nextCell(cell: IBufferCell, oldCell: IBufferCell, row: number, col: number): void { // a width 0 cell don't need to be count because it is just a placeholder after a CJK character; const isPlaceHolderCell = cell.getWidth() === 0; @@ -356,12 +420,21 @@ class StringSerializeHandler extends BaseSerializeHandler { // this cell don't have content const isEmptyCell = cell.getChars() === ''; + const nextLine = isEmptyCell && cell.isInverse() ? this._buffer.getLine(row + 1) : undefined; + const nextRowFirstCell = nextLine?.getCell(0, this._nextRowFirstChar); + // A pending wide glyph recreates its own final-column padding during replay. + const isWideWrapPadding = col === this._terminal.cols - 1 && + nextLine?.isWrapped && + (nextRowFirstCell?.getWidth() ?? 0) > 1 && + !!nextRowFirstCell && attributesEquals(cell, nextRowFirstCell); + // Cursor movement cannot reproduce an inverse cell's visible background. + const materializeEmptyCell = isEmptyCell && !!cell.isInverse() && !isWideWrapPadding; const sgrSeq = this._diffStyle(cell, this._cursorStyle); - // the empty cell style is only assumed to be changed when background changed, because - // foreground is always 0. - const styleChanged = isEmptyCell ? !equalBg(this._cursorStyle, cell) : sgrSeq.length > 0; + const styleChanged = isEmptyCell + ? materializeEmptyCell ? sgrSeq.length > 0 : !equalBg(this._cursorStyle, cell) + : sgrSeq.length > 0; /** * handles style change @@ -395,7 +468,7 @@ class StringSerializeHandler extends BaseSerializeHandler { /** * handles actual content */ - if (isEmptyCell) { + if (isEmptyCell && !materializeEmptyCell) { this._nullCellCount += cell.getWidth(); } else { if (this._nullCellCount > 0) { @@ -411,7 +484,22 @@ class StringSerializeHandler extends BaseSerializeHandler { this._nullCellCount = 0; } - this._currentRow += cell.getChars(); + // PATCH(orca): styling alone leaves restored OSC 8 links looking live but unclickable. + this._currentRow += this._setOscLink(getOscLinkId(cell)); + + if (materializeEmptyCell) { + const hasDecoration = !!cell.isUnderline() || !!cell.isStrikethrough() || !!cell.isOverline(); + if (hasDecoration) { + this._currentRow += '\u001b[24;29;55m'; + } + this._currentRow += ' '.repeat(cell.getWidth()); + if (hasDecoration) { + const restoreSgrSeq = this._diffStyle(cell, this._defaultCell); + this._currentRow += `\u001b[0m\u001b[${restoreSgrSeq.join(';')}m`; + } + } else { + this._currentRow += cell.getChars(); + } // update cursor this._lastContentCursorRow = this._lastCursorRow = row; @@ -439,6 +527,9 @@ class StringSerializeHandler extends BaseSerializeHandler { } } + // Each buffer is self-contained so links cannot leak into a following buffer. + content += this._setOscLink(0); + // restore the cursor if (!excludeFinalCursorPosition) { const realCursorRow = this._buffer.baseY + this._buffer.cursorY; @@ -616,6 +707,9 @@ export class SerializeAddon implements ITerminalAddon, ISerializeApi { content += this._serializeScrollRegion(this._terminal); } + // Restore the source terminal's live OSC pen only after all buffers are complete. + content += getActiveOscLinkSequence(this._terminal); + return content; }