I'm seeing some "Can't find variable: Set" errors in production on older browsers. I figure this is Typescript and Webpack being ambitious about their usage of es6 features, no big deal, I can polyfill that just like I've polyfilled Object.assign for React.
Now my Polyfill config for webpack looks like this:
// using include in the callback selection requires a polyfill for ie
require('string.prototype.includes');
// some older browsers don't support Set, which apparently something compiles to
require('es6-set');
// fetch() polyfill for making API calls.
require('whatwg-fetch');
// Object.assign() is commonly used with React.
// It will use the native implementation if it's present and isn't buggy.
Object.assign = require('object-assign');
But after releasing and verifying the release is out, I'm still seeing errors in older browsers relating to Set. I've looked through the docs for adding polyfills to webpack and I don't see if I'm missing a step or why this isn't working.
What am I doing wrong, or what else can I try?
Your code:
// some older browsers don't support Set, which apparently something compiles to
require('es6-set');
Does not follow the readme of the project : https://www.npmjs.com/package/es6-set
From the readme :
require('es6-set/implement');