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Jinjing
115b87efe4
- mobileDiffImageDataUri now distinguishes a true deletion (modified side absent) from a modify whose binary bytes arrived empty (relay/size-cap cases), returning null instead of the stale pre-change image - readWorkingDiffFile passes the file path to bufferToBlob so relay working-tree reads can detect previewable image extensions instead of always reporting empty binary content - add mobile-file-tab-doc.test.ts covering diff/image/binary/text resolution paths
37 lines
1.5 KiB
TypeScript
37 lines
1.5 KiB
TypeScript
import { buildImageDataUri } from '../../../src/shared/image-data-uri'
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// A git.diff result for a binary file. The host (git.diff) already sends base64
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// image bytes plus isImage/mimeType for previewable formats, so mobile can render
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// image diffs instead of falling back to "Binary preview unavailable". The
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// originalIsBinary/modifiedIsBinary flags tell a deletion (modified side absent)
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// apart from a modify whose bytes the host couldn't inline (relay/size-capped).
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export type MobileBinaryDiffResult = {
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kind: 'binary'
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originalContent?: string
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modifiedContent?: string
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originalIsBinary?: boolean
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modifiedIsBinary?: boolean
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isImage?: boolean
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mimeType?: string
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}
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// Builds a data URI for a binary image diff, preferring the modified (post-change)
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// bytes. Only falls back to the original for a genuine deletion — when the modified
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// side is absent (not binary). Returns null for non-previewable binaries and when
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// the modified side IS a binary image but arrives empty (e.g. a relay working-tree
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// read or a >size-cap file), since showing the pre-change image there would be
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// silently stale rather than the current content.
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export function mobileDiffImageDataUri(result: MobileBinaryDiffResult): string | null {
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if (result.isImage !== true) {
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return null
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}
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const modified = result.modifiedContent || ''
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if (modified) {
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return buildImageDataUri(result.mimeType, modified)
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}
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if (result.modifiedIsBinary === true) {
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return null
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}
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return buildImageDataUri(result.mimeType, result.originalContent || '')
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}
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