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minify.js
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minify.js
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const minifyPreset = require('babel-preset-minify');
const babel = require('@babel/core');
const fs = require('fs');
const args = process.argv.slice(2);
if (args.length !== 2) {
throw new Error('Must pass two arguments, input and output filename');
}
const { code } = babel.transformSync(fs.readFileSync(args[0]), {
minified: true,
sourceType: 'module',
configFile: false,
presets: [['@babel/preset-env', { modules: false }], [minifyPreset]],
plugins: [
'add-module-exports',
[
'@babel/plugin-transform-runtime',
{
regenerator: true,
},
],
'@babel/plugin-syntax-dynamic-import',
'@babel/plugin-transform-modules-commonjs',
],
});
fs.writeFileSync(args[1], code);