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rollup.config.js
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rollup.config.js
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// rollup.config.js
import fs from 'fs'
import path from 'path'
import vue from 'rollup-plugin-vue'
import alias from '@rollup/plugin-alias'
import commonjs from '@rollup/plugin-commonjs'
import resolve from '@rollup/plugin-node-resolve'
import replace from '@rollup/plugin-replace'
import babel from '@rollup/plugin-babel'
import { terser } from 'rollup-plugin-terser'
import ttypescript from 'ttypescript'
import typescript from 'rollup-plugin-typescript2'
import minimist from 'minimist'
// Get browserslist config and remove ie from es build targets
const esbrowserslist = fs.readFileSync('./.browserslistrc')
.toString()
.split('\n')
.filter((entry) => entry && entry.substring(0, 2) !== 'ie')
// Extract babel preset-env config, to combine with esbrowserslist
const babelPresetEnvConfig = require('./babel.config')
.presets.filter((entry) => entry[0] === '@babel/preset-env')[0][1]
const argv = minimist(process.argv.slice(2))
const projectRoot = path.resolve(__dirname)
const baseConfig = {
input: 'src/entry.ts',
plugins: {
preVue: [
alias({
entries: [
{
find: '@',
replacement: `${path.resolve(projectRoot, 'src')}`,
},
],
}),
],
replace: {
'process.env.NODE_ENV': JSON.stringify('production'),
},
vue: {
css: true,
template: {
isProduction: true,
},
},
postVue: [
resolve({
extensions: ['.js', '.jsx', '.ts', '.tsx', '.vue'],
}),
commonjs(),
],
babel: {
exclude: 'node_modules/**',
extensions: ['.js', '.jsx', '.ts', '.tsx', '.vue'],
babelHelpers: 'bundled',
},
},
}
// ESM/UMD/IIFE shared settings: externals
// Refer to https://rollupjs.org/guide/en/#warning-treating-module-as-external-dependency
const external = [
// list external dependencies, exactly the way it is written in the import statement.
// eg. 'jquery'
'vue',
]
// UMD/IIFE shared settings: output.globals
// Refer to https://rollupjs.org/guide/en#output-globals for details
const globals = {
// Provide global variable names to replace your external imports
// eg. jquery: '$'
vue: 'Vue',
}
// Customize configs for individual targets
const buildFormats = []
if (!argv.format || argv.format === 'es') {
const esConfig = {
...baseConfig,
input: 'src/entry.esm.ts',
external,
output: {
file: 'dist/vue-emoji-picker.esm.js',
format: 'esm',
exports: 'named',
},
plugins: [
replace(baseConfig.plugins.replace),
...baseConfig.plugins.preVue,
vue(baseConfig.plugins.vue),
...baseConfig.plugins.postVue,
// Only use typescript for declarations - babel will
// do actual js transformations
typescript({
typescript: ttypescript,
useTsconfigDeclarationDir: true,
emitDeclarationOnly: true,
}),
babel({
...baseConfig.plugins.babel,
presets: [
[
'@babel/preset-env',
{
...babelPresetEnvConfig,
targets: esbrowserslist,
},
],
],
}),
],
}
buildFormats.push(esConfig)
}
if (!argv.format || argv.format === 'cjs') {
const umdConfig = {
...baseConfig,
external,
output: {
compact: true,
file: 'dist/vue-emoji-picker.ssr.js',
format: 'cjs',
name: 'EmojiPicker',
exports: 'auto',
globals,
},
plugins: [
replace(baseConfig.plugins.replace),
...baseConfig.plugins.preVue,
vue({
...baseConfig.plugins.vue,
template: {
...baseConfig.plugins.vue.template,
optimizeSSR: true,
},
}),
...baseConfig.plugins.postVue,
babel(baseConfig.plugins.babel),
],
}
buildFormats.push(umdConfig)
}
if (!argv.format || argv.format === 'iife') {
const unpkgConfig = {
...baseConfig,
external,
output: {
compact: true,
file: 'dist/vue-emoji-picker.min.js',
format: 'iife',
name: 'EmojiPicker',
exports: 'auto',
globals,
},
plugins: [
replace(baseConfig.plugins.replace),
...baseConfig.plugins.preVue,
vue(baseConfig.plugins.vue),
...baseConfig.plugins.postVue,
babel(baseConfig.plugins.babel),
terser({
output: {
ecma: 5,
},
}),
],
}
buildFormats.push(unpkgConfig)
}
// Export config
export default buildFormats