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Purge CSS in Create React App without ejecting
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{ | |
"name": "my-app", | |
"version": "0.1.0", | |
"private": true, | |
"dependencies": { | |
"react": "^16.8.6", | |
"react-dom": "^16.8.6", | |
"react-scripts": "3.0.1" | |
}, | |
"devDependencies": { | |
"purgecss": "^1.3.0" | |
}, | |
"scripts": { | |
"start": "react-scripts start", | |
"build": "react-scripts build && npm run purge-css", | |
"purge-css": "node ./purge-css", | |
"test": "react-scripts test", | |
"eject": "react-scripts eject" | |
}, | |
"eslintConfig": { | |
"extends": "react-app" | |
}, | |
"browserslist": { | |
"production": [ | |
">0.2%", | |
"not dead", | |
"not op_mini all" | |
], | |
"development": [ | |
"last 1 chrome version", | |
"last 1 firefox version", | |
"last 1 safari version" | |
] | |
} | |
} |
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const Purgecss = require('purgecss'); | |
const fs = require('fs'); | |
const purgecss = new Purgecss({ | |
content: ['build/static/js/*.js'], | |
css: ['build/static/css/*.css'] | |
}) | |
const purgecssResult = purgecss.purge(); | |
purgecssResult.forEach((result) => { | |
const file = result.file; | |
const css = result.css; | |
fs.stat(file, (error, originalFileStats) => { | |
console.log(originalFileStats); | |
fs.writeFileSync(file, css); | |
const newFileStats = fs.statSync(file); | |
console.log('\x1b[32m', `Purge CSS saved ${Math.round((originalFileStats.size - newFileStats.size) / 1000)}kb on ${file}`); | |
}); | |
}); |
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