permission issue when installing angular-cli for the first time

[danielleadams]

It seems that installing that angular-cli 9 may run into issues when initially installing and attempting to use the Ivy compiler.

An error may look something like this:

ERROR in EACCES: permission denied, open '/tmp/build_xxx/node_modules/@angular/core/__ivy_ngcc__/fesm5/core.js'

And break the build.

The current work around is to disable the Heroku build script temporarily, so that a successful deploy is performed and node modules are cached. Then, restore the build script and deploy again.

[danielleadams]

This was an npm bug in 6.11.2 (and previous versions) that surfaced as an Angular bug in builds: https://npm.community/t/6-11-2-npm-ci-installs-package-with-wrong-permissions/9720/7.

Fixed here: npm/cli#243

The fix is to update to 6.11.3 (preferably to a more secure later version).