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build.js
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build.js
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require('dotenv').config();
const rollup = require('rollup');
const rollupPluginCJS = require('rollup-plugin-commonjs');
const rollupPluginNodeResolve = require('rollup-plugin-node-resolve');
const { terser } = require('rollup-plugin-terser');
const rollupPluginPostCSS = require('rollup-plugin-postcss');
const fs = require('fs');
const chalk = require('chalk');
function disallowExternal(source, importer, isResolved) {
if (isResolved && !source.match(/^\.{0,2}\//)) {
throw new Error(
`Unresolved external import: "${source}" (imported ` +
`by: ${importer}), did you forget to npm install?`
);
}
}
async function build() {
const isProd = process.env.ELEVENTY_ENV === 'prod';
const appBundle = await rollup.rollup({
input: 'src/assets/scripts/app.js',
external: disallowExternal,
plugins: [
rollupPluginPostCSS({
extract: 'app.css',
plugins: [require('autoprefixer')],
minimize: isProd,
}),
rollupPluginNodeResolve({
browser: true,
}),
rollupPluginCJS({
include: 'node_modules/**',
}),
isProd && terser(),
],
});
const appGenerated = await appBundle.write({
dynamicImportFunction: 'window._import',
entryFileNames: isProd ? 'app.js' : 'app.js',
sourcemap: !isProd,
dir: 'dist/static',
format: 'esm',
});
const appResurce = {};
appGenerated.output.forEach(({ fileName }) => {
if (/.\.css$/.test(fileName)) {
appResurce['css'] = {
path: `/static/${fileName}`,
};
}
if (/.\.js$/.test(fileName)) {
appResurce['js'] = {
path: `/static/${fileName}`,
};
}
});
fs.writeFileSync('src/data/resource.json', JSON.stringify(appResurce));
console.log(chalk.black.bgBlue('Finished Rollup!'));
}
(async function () {
await build();
})();