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ClientTheme: Fix for visual refresh (#3313)

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Cassie 2025-04-04 17:06:42 -06:00 • committed by GitHub
parent 4f11316a8b
commit ab38e59550
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1 changed files with 17 additions and 13 deletions
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30
src/plugins/clientTheme/index.tsx
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@ -130,15 +130,16 @@ export default definePlugin({
}
});
const variableRegex = /(--primary-\d{3}-hsl):.*?(\S*)%;/g;
const visualRefreshVariableRegex = /(--neutral-\d{1,3}-hsl):.*?(\S*)%;/g;
const oldVariableRegex = /(--primary-\d{3}-hsl):.*?(\S*)%;/g;
const lightVariableRegex = /^--primary-[1-5]\d{2}-hsl/g;
const darkVariableRegex = /^--primary-[5-9]\d{2}-hsl/g;
// generates variables per theme by:
// - matching regex (so we can limit what variables are included in light/dark theme, otherwise text becomes unreadable)
// - offset from specified center (light/dark theme get different offsets because light uses 100 for background-primary, while dark uses 600)
function genThemeSpecificOffsets(variableLightness: Record<string, number>, regex: RegExp, centerVariable: string): string {
return Object.entries(variableLightness).filter(([key]) => key.search(regex) > -1)
function genThemeSpecificOffsets(variableLightness: Record<string, number>, regex: RegExp | null, centerVariable: string): string {
return Object.entries(variableLightness).filter(([key]) => regex == null || key.search(regex) > -1)
.map(([key, lightness]) => {
const lightnessOffset = lightness - variableLightness[centerVariable];
const plusOrMinus = lightnessOffset >= 0 ? "+" : "-";
@ -147,25 +148,28 @@ function genThemeSpecificOffsets(variableLightness: Record<string, number>, rege
.join("\n");
}
function generateColorOffsets(styles) {
const variableLightness = {} as Record<string, number>;
const oldVariableLightness = {} as Record<string, number>;
const visualRefreshVariableLightness = {} as Record<string, number>;
// Get lightness values of --primary variables
let variableMatch = variableRegex.exec(styles);
while (variableMatch !== null) {
const [, variable, lightness] = variableMatch;
variableLightness[variable] = parseFloat(lightness);
variableMatch = variableRegex.exec(styles);
for (const [, variable, lightness] of styles.matchAll(oldVariableRegex)) {
oldVariableLightness[variable] = parseFloat(lightness);
}
for (const [, variable, lightness] of styles.matchAll(visualRefreshVariableRegex)) {
visualRefreshVariableLightness[variable] = parseFloat(lightness);
}
createStyleSheet("clientThemeOffsets", [
`.theme-light {\n ${genThemeSpecificOffsets(variableLightness, lightVariableRegex, "--primary-345-hsl")} \n}`,
`.theme-dark {\n ${genThemeSpecificOffsets(variableLightness, darkVariableRegex, "--primary-600-hsl")} \n}`,
`.theme-light {\n ${genThemeSpecificOffsets(oldVariableLightness, lightVariableRegex, "--primary-345-hsl")} \n}`,
`.theme-dark {\n ${genThemeSpecificOffsets(oldVariableLightness, darkVariableRegex, "--primary-600-hsl")} \n}`,
`.visual-refresh.theme-light {\n ${genThemeSpecificOffsets(visualRefreshVariableLightness, null, "--neutral-2-hsl")} \n}`,
`.visual-refresh.theme-dark {\n ${genThemeSpecificOffsets(visualRefreshVariableLightness, null, "--neutral-69-hsl")} \n}`,
].join("\n\n"));
}
function generateLightModeFixes(styles) {
function generateLightModeFixes(styles: string) {
const groupLightUsesW500Regex = /\.theme-light[^{]*\{[^}]*var\(--white-500\)[^}]*}/gm;
// get light capturing groups that mention --white-500
const relevantStyles = [...styles.matchAll(groupLightUsesW500Regex)].flat();