Created
June 8, 2025 17:52
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CSS colors extractor
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| import * as fs from 'fs'; | |
| import * as path from 'path'; | |
| const cssDir = 'src'; | |
| const outputFile = 'src/vars.css'; | |
| const hexRegex = /#([a-fA-F0-9]{3,6})/g; | |
| const rgbRegex = /rgb\(\s*\d+\s*,\s*\d+\s*,\s*\d+\s*\)/g; | |
| const rgbaRegex = /rgba\(\s*\d+\s*,\s*\d+\s*,\s*\d+\s*,\s*\d*\.?\d+\s*\)/g; | |
| const colorMap = new Map(); | |
| function scanDir(dir) { | |
| fs.readdirSync(dir).forEach(file => { | |
| const fullPath = path.join(dir, file); | |
| if (fs.statSync(fullPath).isDirectory()) { | |
| scanDir(fullPath); | |
| } else if (file.endsWith('.css')) { | |
| extractColors(fullPath); | |
| } | |
| }); | |
| } | |
| function extractColors(file) { | |
| const content = fs.readFileSync(file, 'utf8'); | |
| [...content.matchAll(hexRegex), ...content.matchAll(rgbRegex), ...content.matchAll(rgbaRegex)] | |
| .forEach(match => colorMap.set(match[0], `--rj-${match[0].replace(/[^a-fA-F0-9,]/g, '')}`)); | |
| } | |
| scanDir(cssDir); | |
| const cssVars = [...colorMap.entries()] | |
| .map(([color, varName]) => `${varName}: ${color};`) | |
| .join('\n'); | |
| fs.writeFileSync(outputFile, `:root {\n${cssVars}\n}\n`); | |
| console.log(`CSS variables file created: ${outputFile}`); |
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