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rollup.polyfill.js
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rollup.polyfill.js
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'use strict'
import buble from '@rollup/plugin-buble'
import node from '@rollup/plugin-node-resolve'
import json from '@rollup/plugin-json'
import {terser} from 'rollup-plugin-terser'
import cleanup from 'rollup-plugin-cleanup'
import * as pkg from "./package.json";
// set headers
const year = (new Date).getFullYear()
const banner = `/*!
* Native JavaScript for Bootstrap Polyfill v${pkg.version} (${pkg.homepage})
* Copyright 2015-${year} © ${pkg.author}
* Licensed under MIT (https://github.com/thednp/bootstrap.native/blob/master/LICENSE)
*/
"use strict";`
const miniBanner = `// Native JavaScript for Bootstrap Polyfill v${pkg.version} | ${year} © ${pkg.author} | ${pkg.license}-License
"use strict";`
// set config
const MIN = process.env.MIN === 'true' // true/false|unset
const FORMAT = 'esm' // umd|iife|esm|cjs
// INPUTFILE:src/util/polyfill.js,OUTPUTFILE:dist/polyfill.js
const INPUTFILE = 'src/util/polyfill.js'
const OUTPUTFILE = './dist/polyfill'+(MIN?'.min':'')+'.js'
const OUTPUT = {
file: OUTPUTFILE,
format: FORMAT, // or iife
}
const PLUGINS = [
node(),
json(),
buble(),
cleanup()
]
if (MIN){
PLUGINS.push(terser({output: {preamble: miniBanner}}));
} else {
OUTPUT.banner = banner;
}
// if (FORMAT!=='esm') {
// OUTPUT.name = 'BSN';
// }
export default [
{
input: INPUTFILE,
output: OUTPUT,
plugins: PLUGINS
}
]