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rollup.config.js
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rollup.config.js
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const terser = require('rollup-plugin-terser').terser
const pkg = require('./package.json')
const nodeResolve = require('rollup-plugin-node-resolve')
const cjs = require('rollup-plugin-commonjs')
const { cloneDeep,upperFirst} = require('lodash')
const filename = pkg.browser.slice(pkg.browser.indexOf('/') + 1, pkg.browser.indexOf('.'))
const path = require('path')
const resolve = (dir) => {
return path.join(__dirname, dir)
}
const out = [
{
file: pkg.main,
format: 'cjs'
},
{
file: pkg.module,
format: 'esm'
},
{
file: pkg.browser,
format: 'umd',
// 对外导出名首字母友好的大写
// example: 当 filename 为 vue 时,模块名即为 Vue
name: upperFirst(filename)
}
]
// 最小化版本文件头注释信息
const banner =
`/*!
* ${pkg.name} v${pkg.version}
* (c) 2020-2021 ${pkg.author}
* Released under the ${pkg.license} License.
*/
`
// 最小化版本处理函数
const minimize = (obj) => {
// 深拷贝
const minObj = cloneDeep(obj)
// 文件名添加 .min
minObj.file = minObj.file.slice(0, minObj.file.lastIndexOf('.js')) + '.min.js'
// 只对最小化版本去除 console,并压缩 js
minObj.plugins = [terser({ compress: { drop_console: true } })]
// 只对最小化版本添加文件头注释信息
minObj.banner = banner
return minObj
}
module.exports = {
input: resolve('src/index.js'),
output: [
...out, ...out.map(type => {
type.file = resolve(type.file)
return minimize(type)
}),
],
plugins:[
nodeResolve(),
cjs()
]
}