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dealerweb
f4b5027733
The From dropdown groups the identities by account. #999 gave the options the popover colours, but the group labels kept the control's text colour on the popup's base, which a transparent control leaves light: in dark themes, light text on a white bar.
84 lines
3.4 KiB
TypeScript
84 lines
3.4 KiB
TypeScript
import { describe, it, expect } from 'vitest';
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import { readFileSync } from 'fs';
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import path from 'path';
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import { BUILTIN_THEMES } from '@/lib/builtin-themes';
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/**
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* The browser paints a native <select>'s option list itself; the Tailwind
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* classes on the control (bg-muted / text-foreground) never reach it. It only
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* honours `color-scheme` and an explicit option background/colour. Themes with
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* a translucent --color-muted (Aurora Glass dark) therefore composited to a
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* light popup with near-white text (#999). globals.css pins options to the
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* popover tokens, so every theme must define those as an opaque surface.
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*
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* jsdom does not render native popups, so lock the stylesheet rules.
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*/
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const css = readFileSync(path.join(process.cwd(), 'app', 'globals.css'), 'utf8');
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/** Return the body of the first top-level `selector { ... }` rule. */
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function ruleBody(selector: string): string {
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const idx = css.indexOf('\n' + selector + ' {');
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expect(idx, 'no `' + selector + '` rule in globals.css').toBeGreaterThan(-1);
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const open = css.indexOf('{', idx);
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return css.slice(open + 1, css.indexOf('}', open));
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}
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/** True when a CSS colour value has no alpha channel below 1. */
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function isOpaque(value: string): boolean {
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const v = value.trim().toLowerCase();
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if (v === 'transparent') return false;
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if (/^#([0-9a-f]{3}|[0-9a-f]{6})$/.test(v)) return true;
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if (/^#[0-9a-f]{4}$/.test(v)) return v.endsWith('f');
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if (/^#[0-9a-f]{8}$/.test(v)) return v.endsWith('ff');
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const fn = v.match(/^(rgb|hsl)a?\((.*)\)$/);
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if (fn) {
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const parts = fn[2].split(/[\s,/]+/).filter(Boolean);
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if (parts.length < 4) return true;
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const alpha = parts[3];
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return alpha.endsWith('%') ? parseFloat(alpha) >= 100 : parseFloat(alpha) >= 1;
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}
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return false;
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}
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/** Concrete `--color-popover` values, skipping the `@theme` alias `var(--color-popover)`. */
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function popoverValues(source: string): string[] {
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return [...source.matchAll(/--color-popover:\s*([^;]+);/g)]
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.map((m) => m[1].trim())
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.filter((v) => !v.startsWith('var('));
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}
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describe('native <select> option colours (#999)', () => {
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it('pins option backgrounds and text to the popover tokens', () => {
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const body = ruleBody('option');
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expect(body).toMatch(/background-color:\s*var\(--color-popover\)/);
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expect(body).toMatch(/(?:^|[^-])color:\s*var\(--color-popover-foreground\)/);
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});
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it('pins the group labels to the popover tokens too', () => {
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const body = ruleBody('optgroup');
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expect(body).toMatch(/background-color:\s*var\(--color-popover\)/);
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expect(body).toMatch(/(?:^|[^-])color:\s*var\(--color-popover-foreground\)/);
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});
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it('asks the browser for a dark popup in dark mode', () => {
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expect(ruleBody('.dark select')).toMatch(/color-scheme:\s*dark/);
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});
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it('keeps the base light and dark popover surfaces opaque', () => {
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const values = popoverValues(css);
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expect(values.length).toBeGreaterThanOrEqual(2);
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for (const v of values) expect(isOpaque(v), `globals.css --color-popover: ${v}`).toBe(true);
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});
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it.each(BUILTIN_THEMES.map((t) => [t.name, t] as const))(
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'%s defines an opaque popover in every variant',
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(_name, theme) => {
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const values = popoverValues(theme.css);
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expect(values.length, 'theme css should set --color-popover').toBeGreaterThanOrEqual(
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theme.variants.length
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);
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for (const v of values) expect(isOpaque(v), `--color-popover: ${v}`).toBe(true);
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}
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);
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});
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