Jeremy Morrell

That doesn't allow you to remove something where you don't know the key ahead of time though. Though maybe you could use computed property names? ``` const {[key], ...newRecord} =...

A couple of things from my understanding (might be wrong), mostly assuming the implementation in JS engines would be something like [Immutablejs](https://github.com/facebook/immutable-js). There are probably more reasons that I'm unaware...

To add another use-case, I'm trying to build a cli tool to give expressive errors when Node's `package.json` contains syntax errors. Motivating Examples: ``` 4 | "engines": { 5 |...

Should be possible, and would be a good feature. The relevant code in backbone is [here](https://github.com/jashkenas/backbone/blob/master/backbone.js#L858-863). Note that it switches by testing the number of arguments that the function accepts...

Thanks for all your feedback @edmorley :) Is most / all the extra time is coming from the prune step compiling native dependencies? p95 and p99 seem unaffected, but we...

We are seeing much higher pruning times for yarn than npm, and I suspect that this is why. There are binary dependencies lurking in many build trees. 1. Removing `--ignore-scripts`...

At the very least, this only results in a longer install and not a broken install, and it's something the yarn team is aware of https://github.com/yarnpkg/yarn/issues/932

@atomkirk The buildpacks install their dependencies globally, and I'm not sure what you mean by running the "php buildpack in a sub directory". Could you open a support ticket at...

@atomkirk Sounds like you're trying to do something that's not supported cc @dzuelke

@IIvanov8888 could you open a support ticket at help.heroku.com?