See particularly nasty JScript bugs.
输入
var foo = function bar() {
};
输出
"use strict";
var foo = (function () {
function bar() {}
return bar;
})();
npm install --save-dev babel-plugin-transform-jscript
.babelrc（推荐）.babelrc
{
"plugins": ["transform-jscript"]
}
babel --plugins transform-jscript script.js
require("babel-core").transform("code", {
plugins: ["transform-jscript"]
});