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rollup.config.js
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rollup.config.js
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import replace from '@rollup/plugin-replace';
import alias from '@rollup/plugin-alias';
import cleanup from 'rollup-plugin-cleanup';
import typescript from 'rollup-plugin-typescript2';
import license from 'rollup-plugin-license';
import multiInput from 'rollup-plugin-multi-input';
import { visualizer } from 'rollup-plugin-visualizer';
import { existsSync, mkdirSync, writeFileSync } from 'fs';
import pkg from './package.json';
const path = require('path');
let platforms = ['browser', 'node'];
let entries = {
'okta-auth-js': 'lib/exports/default.ts',
'core': 'lib/exports/core.ts',
'authn': 'lib/exports/authn.ts',
'idx': 'lib/exports/idx.ts',
'myaccount': 'lib/exports/myaccount.ts'
};
let preserveModules = true;
const combinedOutputDir = true; // all entries share an output dir
function getOuptutDir(entryName, env) {
return combinedOutputDir ? `build/esm/${env}` : `build/esm/${entryName}/${env}`;
}
// if ENTRY env var is passed, filter the entries to include only the named ENTRY
if (process.env.ENTRY) {
entries = {
[process.env.ENTRY]: entries[process.env.ENTRY]
};
}
// if PLATFORM env var is passed, filter the platforms to include only the named PLATFORM
if (process.env.PLATFORM) {
platforms = platforms.filter(platform => platform === process.env.PLATFORM);
}
// if ANALZYE env var is passed, output analyzer html (must output single bundle)
if (process.env.ANALYZE) {
preserveModules = false;
}
const makeExternalPredicate = (env) => {
const externalArr = [
...Object.keys(pkg.peerDependencies || {}),
...Object.keys(pkg.dependencies || {}),
];
if (env === 'node') {
externalArr.push('crypto');
}
if (externalArr.length === 0) {
return () => false;
}
const pattern = new RegExp(`^(${externalArr.join('|')})($|/)`);
return id => pattern.test(id);
};
const extensions = ['js', 'ts'];
const output = {
format: 'es',
exports: 'named',
sourcemap: true,
preserveModules,
// not using .mjs extension because it causes issues with Vite
// entryFileNames: '[name].mjs'
};
function createPackageJson(dirName) {
return {
name: 'create-package-json',
generateBundle() {
// Add an extra package.json underneath ESM to indicate module type
// This helps tools like Jest identify this code as ESM
if (!existsSync(dirName)) {
mkdirSync(dirName, { recursive: true });
}
writeFileSync(`${dirName}/package.json`, JSON.stringify({
name: pkg.name,
version: pkg.version,
type: 'module'
}, null, 4));
}
};
}
const getPlugins = (env, entryName) => {
const outputDir = getOuptutDir(entryName, env);
let plugins = [
replace({
'SDK_VERSION': JSON.stringify(pkg.version),
...(env === 'browser' && { 'global.': 'window.' }),
preventAssignment: true
}),
(env === 'browser' && alias({
entries: [
{ find: /.\/node$/, replacement: './browser' }
]
})),
typescript({
// eslint-disable-next-line node/no-unpublished-require
typescript: require('typescript'),
tsconfigOverride: {
compilerOptions: {
sourceMap: true,
target: 'ES2017', // skip async/await transpile,
module: 'ES2020', // support dynamic import
declaration: false
}
}
}),
cleanup({
extensions,
comments: 'none'
}),
license({
banner: {
content: {
file: path.join(__dirname, 'scripts', 'buildtools', 'license-template'),
}
}
}),
multiInput({
relative: 'lib/',
}),
createPackageJson(outputDir)
];
// if ANALZYE env var is passed, output analyzer html
if (process.env.ANALYZE) {
plugins = plugins.concat([
visualizer({
sourcemap: true,
projectRoot: path.join(__dirname, './lib'),
filename: `./build/esm/${entryName}.${env}.analzyer.html`,
template: 'treemap' // sunburst | treemap | network
}),
]);
}
return plugins;
};
export default Object.keys(entries).reduce((res, entryName) => {
const entryValue = entries[entryName];
return res.concat(platforms.map((type) => {
return {
input: Array.isArray(entryValue) ? entryValue : [entryValue],
external: makeExternalPredicate(type),
plugins: getPlugins(type, entryName),
output: [
{
...output,
dir: getOuptutDir(entryName, type)
}
]
};
}));
}, []);