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rollup.config.js
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rollup.config.js
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import vue from 'rollup-plugin-vue';
import buble from 'rollup-plugin-buble';
import commonjs from 'rollup-plugin-commonjs';
import replace from 'rollup-plugin-replace';
import { terser } from 'rollup-plugin-terser';
import resolve from 'rollup-plugin-node-resolve';
import css from 'rollup-plugin-css-only';
import minimist from 'minimist';
import pkg from './package.json';
const argv = minimist(process.argv.slice(2));
const baseConfig = {
input: 'src/index.js',
plugins: {
preVue: [
replace({
'process.env.NODE_ENV': JSON.stringify('production'),
}),
commonjs(),
],
vue: {
css: true,
template: {
isProduction: true,
},
},
postVue: [
buble({
transforms: {
dangerousForOf: true,
},
}),
],
},
};
// Customize configs for individual targets
const buildFormats = [];
if (!argv.format || argv.format === 'es') {
const esConfig = {
...baseConfig,
output: {
file: pkg.module,
format: 'esm',
exports: 'named',
sourcemap: true,
},
plugins: [
...baseConfig.plugins.preVue,
css({
output: pkg.style,
}),
vue({
...baseConfig.plugins.vue,
css: false,
}),
...baseConfig.plugins.postVue,
terser({
output: {
ecma: 6,
},
}),
resolve(),
],
};
buildFormats.push(esConfig);
}
if (!argv.format || argv.format === 'cjs') {
const umdConfig = {
...baseConfig,
output: {
compact: true,
file: pkg.main,
format: 'cjs',
name: 'VueLazyLoad',
exports: 'named',
sourcemap: true,
},
plugins: [
...baseConfig.plugins.preVue,
css({
output: pkg.style,
}),
vue({
...baseConfig.plugins.vue,
template: {
...baseConfig.plugins.vue.template,
optimizeSSR: true,
},
css: false,
}),
...baseConfig.plugins.postVue,
resolve(),
],
};
buildFormats.push(umdConfig);
}
if (!argv.format || argv.format === 'iife') {
const unpkgConfig = {
...baseConfig,
output: {
compact: true,
file: pkg.unpkg,
format: 'iife',
name: 'VueLazyLoad',
exports: 'named',
sourcemap: true,
},
plugins: [
...baseConfig.plugins.preVue,
vue(baseConfig.plugins.vue),
...baseConfig.plugins.postVue,
terser({
output: {
ecma: 5,
},
}),
resolve(),
],
};
buildFormats.push(unpkgConfig);
}
// Export config
export default buildFormats;