Array.prototype.groupBy to the rescue!

• Array.prototype.group

  2 27 5.9 JavaScript

  Discontinued An ESnext spec-compliant `Array.prototype.group` shim/polyfill/replacement that works as far down as ES3.

  

To start using this today, you will need a spec-compliant shim/polyfill for the Array.prototype.groupBy method: https://github.com/es-shims/Array.prototype.groupBy

• jest-expect-message

  1 356 0.0 JavaScript

  Add custom message to Jest expects 🃏🗯

Writing code in this manner can have real world impacts. We recently removed a Jest extension, jest-expect-message, because of this exact issue. This PR - #27 - addresses that issue, but unfortunately the project seems abandoned so it hasn't been merged.

• SurveyJS

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