大多数答案都是针对使用WebPack解决此错误的解决方案。但是,如果有人正在使用RollUp(就像我一样),这是我最终运行的内容(只是一个预警,并将此polyfill捆绑到输出中,会增加约10k的大小):
.babelrc
{
"presets": [
[
"env",
{
"modules": false,
"targets": {
"browsers": ["last 2 versions"]
}
}
]
],
"plugins": ["external-helpers",
[
"transform-runtime",
{
"polyfill": false,
"regenerator": true
}
]]
}
rollup.config.js
import resolve from 'rollup-plugin-node-resolve';
import babel from 'rollup-plugin-babel';
import uglify from 'rollup-plugin-uglify';
import commonjs from 'rollup-plugin-commonjs';
export default {
input: 'src/entry.js',
output: {
file: 'dist/bundle.js',
format: 'umd',
name: 'MyCoolLib',
exports: 'named'
},
sourcemap: true,
plugins: [
commonjs({
'node_modules/babel-runtime/helpers/asyncToGenerator.js': ['default']
}),
resolve(),
babel({
runtimeHelpers: true,
exclude: 'node_modules/**',
}),
uglify()
]
};