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rollup.config.js
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rollup.config.js
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import { nodeResolve } from '@rollup/plugin-node-resolve';
import typescript from '@rollup/plugin-typescript';
import minifyHTML from 'rollup-plugin-minify-html-literals';
import { terser } from 'rollup-plugin-terser';
import path from 'path';
import litcss from 'rollup-plugin-lit-css';
import summary from 'rollup-plugin-summary';
function bundleText() {
return {
name: 'ignore-bundle-text',
resolveId(source, importer) {
if (source.indexOf('bundle-text') !== -1) {
return path.resolve(path.dirname(importer), source.replace('bundle-text:', ''));
}
return null;
},
load() {
return null;
}
};
}
const baseConfig = {
onwarn(warning) {
if (warning.code !== 'THIS_IS_UNDEFINED') {
console.error(`(!) ${warning.message}`);
}
},
treeshake: true,
plugins: [
minifyHTML(),
typescript({
project: 'tsconfig.json'
}),
bundleText(),
litcss({
uglify: true
}),
nodeResolve(),
terser({
ecma: 2017,
module: true,
warnings: true,
mangle: {
properties: {
regex: /^__/
}
}
}),
summary({
showGzippedSize: true,
showBrotliSize: true,
showMinifiedSize: true
})
]
};
/**
* @type {import('rollup').RollupOptions}
*/
export default [
{
...baseConfig,
input: {
'json-viewer': 'src/index.ts',
JsonViewer: 'src/JsonViewer.ts'
},
external: [/lit/],
output: {
entryFileNames: '[name].js',
dir: 'dist',
format: 'esm',
sourcemap: true
}
},
{
...baseConfig,
input: {
'json-viewer': 'src/index.ts'
},
output: {
entryFileNames: '[name].bundle.js',
dir: 'dist',
format: 'iife',
sourcemap: true
}
}
];