@antmjs/babel-preset v2.3.27
@antmjs/babel-preset
ES6+转译到 ES5 工具库
为什么需要
这个库包含了编译成 ES5 所需的最小可用 Presets,也就是说大部分情况下这个库能满足大部分的转译需求了。
安装
yarn add @antmjs/babel-preset --dev
使用
babel.config.js
const path = require('path')
const apis = require('@tarojs/taro-h5/dist/taroApis')
module.exports = {
presets: [
[
'@antmjs/babel-preset',
{
presets: {
env: {
debug: false,
/**
* false: 不处理polyfill,自己手动引入【全量】
* usage: 按需加载 polyfill,且不需要手动引入【按需】
* entry: 必须手动引入,但会根据设置的目标环境全量导入【按环境全量】
* 注:在 Babel 7.4.0 之后的版本,Babel官方明确建议了不再使用 @babel/polyfill ,建议使用 core-js/stable 和 regenerator-runtime/runtime。本包已经安装了core-js、@babel/plugin-transform-runtime和@babel/runtime,所以选择false或者entry选项的只需要在主文件顶部引入core-js即可
*/
useBuiltIns: 'usage',
corejs: { version: 3, proposals: false },
modules: false, // 对es6的模块文件不做转译,以便使用tree shaking、sideEffects等
},
react: {
runtime: 'automatic',
},
typescript: {
isTSX: true,
jsxPragma: 'React',
allExtensions: true,
allowNamespaces: true,
},
},
decorators: {
legacy: false,
},
classProperties: {
loose: false,
},
runtime: {
absoluteRuntime: path.dirname(
require.resolve('@babel/runtime-corejs3/package.json'),
),
version: require('@babel/runtime-corejs3/package.json').version,
corejs: false,
helpers: true, // 使用到@babel/runtime
regenerator: true, // 使用到@babel/runtime
useESModules: false,
},
enableReactRefresh: true,
},
],
],
plugins: [
[
require('babel-plugin-transform-taroapi'),
{ packageName: '@tarojs/taro', apis },
][ // taro可以加,tree-shaking用
(require('babel-plugin-import'),
{ libraryName: 'antd', style: true },
'antd')
],
],
}
package.json
{
"browserslist": [
"Chrome >= 35",
"ChromeAndroid >= 35",
"iOS >= 8",
"Safari >= 8",
"Android >= 4.1",
"QQAndroid >= 4.1",
"UCAndroid >= 4.1"
]
}
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