Zach Dahl

core-js in particular has cost our team a few days of issues before we determined the cause. Please either 1) remove dependency on core-js altogether and let people polyfill as...

@igorzg does angular change something with Reflect? Because I get this issue when not running it through angular (though angular is present...): ``` import 'reflect-metadata'; const formatMetadataKey = Symbol('format'); const...

I ran into this problem inside a lib. I resolved it by following @bashleigh's example and installing the types, `npm i --save @types/reflect-metadata` But also had to add an entry...

Polyfilling is not the worry of the library. I would put a note saying it needs it for older browsers. No need to burden newer browsers with it.

In case anyone else has run into this issue, the workaround is to switch from wildcard exports to explicit exports. ```js export * from './my-awesome-utils' ``` becomes: ```js export {...