@babel/plugin-transform-typeof-symbol
NOTE: This plugin is included in
@babel/preset-env
Example
In
typeof Symbol() === "symbol";
Out
var _typeof = function(obj) { return obj && obj.constructor === Symbol ? "symbol" : typeof obj; }; _typeof(Symbol()) === "symbol";
Installation
npm install --save-dev @babel/plugin-transform-typeof-symbol
Usage
With a configuration file (Recommended)
{ "plugins": ["@babel/plugin-transform-typeof-symbol"] }
Via CLI
babel --plugins @babel/plugin-transform-typeof-symbol script.js
Via Node API
require("@babel/core").transformSync("code", { plugins: ["@babel/plugin-transform-typeof-symbol"], });