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rollup.config.js
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rollup.config.js
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const babel = require('@rollup/plugin-babel');
const { dts } = require('rollup-plugin-dts');
const typescript = require('rollup-plugin-typescript2');
const babelConfig = require('./babel.config.js');
const pkg = require('./package.json');
const extensions = ['.ts', '.js'];
/**
* @typedef {import('rollup').ModuleFormat} Format
*/
/**
* @param {string} output
* @param {Format} format
*/
function createDeclaration(output, format) {
return {
input: './src/index.ts',
output: { file: output, format },
plugins: [dts()],
};
}
/**
* @param {string} output
* @param {Format} format
*/
function createBuild(output, format) {
return {
input: './src/index.ts',
output: {
file: output,
format: format,
sourcemap: false,
name: format === 'umd' ? 'Observable' : undefined,
},
plugins: [
typescript({
tsconfig: 'tsconfig.json',
}),
babel({
...babelConfig,
babelHelpers: 'bundled',
extensions,
}),
],
};
}
/** @type {import('rollup').RollupOptions[]} */
module.exports = [
createDeclaration(pkg.types, 'cjs'),
createBuild(pkg.exports['.'].require, 'cjs'),
createBuild(pkg.exports['.'].module, 'esm'),
createBuild(pkg.exports['.'].browser, 'umd'),
];