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rollup.config.js
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rollup.config.js
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import * as globby from 'globby';
import * as path from 'path';
import * as fs from 'fs';
import commonjs from 'rollup-plugin-commonjs';
import nodeResolve from 'rollup-plugin-node-resolve';
import buble from 'rollup-plugin-buble';
import babel from 'rollup-plugin-babel';
const pkgInfo = require('./package.json');
let external = ['dns', 'fs', 'path', 'url'];
if (pkgInfo.peerDependencies)
external.push(...Object.keys(pkgInfo.peerDependencies));
if (pkgInfo.dependencies)
external.push(...Object.keys(pkgInfo.dependencies));
const externalPredicate = new RegExp(`^(${external.join('|')})($|/)`);
const bundlePredicate = /\/themes\//;
const externalTest = id => externalPredicate.test(id) || bundlePredicate.test(id);
const config = {
onwarn: () => {},
treeshake: { propertyReadSideEffects: false },
external: externalTest,
plugins: [
nodeResolve({
mainFields: ['module', 'jsnext', 'main'],
browser: true,
}),
commonjs({
ignoreGlobal: true,
include: /\/node_modules\//,
namedExports: {
react: Object.keys(require('react')),
},
}),
babel({
babelrc: false,
plugins: [
'babel-plugin-macros',
'@babel/plugin-transform-flow-strip-types',
'@babel/plugin-proposal-class-properties',
['@babel/plugin-transform-react-jsx', {
pragma: 'React.createElement',
pragmaFrag: 'React.Fragment',
useBuiltIns: true
}],
],
}),
buble({
transforms: {
unicodeRegExp: false,
dangerousForOf: true,
dangerousTaggedTemplateString: true,
},
objectAssign: 'Object.assign',
exclude: 'node_modules/**',
}),
babel({
babelrc: false,
plugins: [
'@babel/plugin-transform-object-assign',
['@babel/plugin-transform-react-jsx', {
pragma: 'React.createElement',
pragmaFrag: 'React.Fragment',
useBuiltIns: true
}],
],
})
]
};
if (!fs.existsSync('themes/')) fs.mkdirSync('themes');
const themes = globby.sync('src/themes/*.js').map(input => {
const name = path.basename(input, '.js');
const dir = 'themes/' + name;
if (!fs.existsSync(dir)) fs.mkdirSync(dir);
const packageJson = {
name: '@prism-react-renderer/' + name,
private: true,
sideEffects: false,
main: 'index.cjs.js',
module: 'index.js',
license: 'MIT'
};
fs.writeFileSync(
path.join('./themes', name, 'package.json'),
JSON.stringify(packageJson, undefined, 2)
);
return {
...config,
input,
output: [
{
file: path.join('./themes', name, 'index.cjs.js'),
format: 'cjs'
},
{
file: path.join('./themes', name, 'index.js'),
format: 'esm'
}
]
};
});
export default [
{
...config,
input: {
dist: './src/index.js',
prism: './src/vendor/prism/index.js',
},
output: [
{
dir: './',
entryFileNames: '[name]/index.cjs.js',
chunkFileNames: 'dist/[name]-[hash].cjs.js',
format: 'cjs'
},
{
dir: './',
entryFileNames: '[name]/index.js',
chunkFileNames: 'dist/[name]-[hash].js',
format: 'esm'
}
]
},
...themes
];