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rollup.config.js
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rollup.config.js
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import path from "path";
import * as fs from "fs";
import {nodeResolve} from '@rollup/plugin-node-resolve';
import typescript from '@rollup/plugin-typescript';
import commonjs from '@rollup/plugin-commonjs';
import babel from '@rollup/plugin-babel';
import excludeDependenciesFromBundle from "rollup-plugin-exclude-dependencies-from-bundle";
import {cleandir} from "rollup-plugin-cleandir";
import terser from "@rollup/plugin-terser";
const PACKAGE_NAME = process.cwd();
const pkg = JSON.parse(fs.readFileSync(path.join(PACKAGE_NAME, 'package.json'), 'utf-8'));
const commonjsOptions = {
ignoreGlobal: true,
include: /node_modules/,
}
const extensions = ['.js', '.ts', '.tsx'];
const babelOptions = {
exclude: /node_modules/,
extensions,
configFile: '../../babel.config.json',
babelHelpers: 'runtime'
};
const nodeOptions = {
extensions,
};
const typescriptOptions = {
tsconfig: `${PACKAGE_NAME}/tsconfig.json`,
exclude: [`${PACKAGE_NAME}/tests/**`],
declaration: true,
declarationDir: '.',
emitDeclarationOnly: true,
declarationMap: true,
};
export default {
input: `${PACKAGE_NAME}/src/index.ts`,
external: [...Object.keys(pkg.peerDependencies ?? {})],
output: [
{
file: "lib/library.esm.js",
format: 'esm'
},
{
file: "lib/library.esm.min.js",
format: 'esm',
plugins: [terser()]
},
{
file: "lib/library.umd.js",
format: 'umd',
name: `@semaver/${pkg.rawName}`
},
{
file: "lib/library.umd.min.js",
format: 'umd',
name: `@semaver/${pkg.rawName}`,
plugins: [terser()]
},
{
file: "lib/library.cjs.cjs",
format: 'cjs'
},
{
file: "lib/library.cjs.min.cjs",
format: 'cjs',
plugins: [terser()]
}
],
plugins: [
cleandir(`${PACKAGE_NAME}/lib`),
nodeResolve(nodeOptions),
typescript(typescriptOptions),
excludeDependenciesFromBundle({peerDependencies: true}),
babel(babelOptions),
commonjs(commonjsOptions)
]
}