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rollup.config.js
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rollup.config.js
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import fs from 'fs';
import typescript from '@rollup/plugin-typescript';
import { nodeResolve } from '@rollup/plugin-node-resolve';
const packageDependencies = JSON.parse(fs.readFileSync('./package.json')).dependencies;
function configure(mode) {
let output;
switch(mode) {
case 'browser':
output = {
format: 'umd',
name: 'sourceMap',
dir: 'dist',
entryFileNames: '[name].umd.js',
sourcemap: true,
exports: 'named',
globals: {
'@jridgewell/gen-mapping': 'genMapping',
'@jridgewell/trace-mapping': 'traceMapping',
},
}
break;
case 'esm':
output = { format: 'es', dir: 'dist', entryFileNames: '[name].mjs', sourcemap: true };
break;
case 'cjs':
output = { format: 'commonjs', dir: 'dist', entryFileNames: '[name].cjs', sourcemap: true };
break;
}
return {
input: 'src/source-map.ts',
output,
external: mode == 'browser' ? [] : Object.keys(packageDependencies),
plugins: [
typescript({
tsconfig: './tsconfig.build.json',
tslib: './throw-when-needed',
}),
nodeResolve(),
],
watch: {
include: 'src/**',
},
};
}
export default [configure('browser'), configure('esm'), configure('cjs')];