optionalDependencies are not installed

[wayneashleyberry]

Do you want to request a feature or report a bug?

Bug

What is the current behavior?

Optional dependencies are not installed.

If the current behavior is a bug, please provide the steps to reproduce.

$ yarn add gulp-imagemin
$ cd node_modules
$ ls -l | grep imagemin
drwxr-xr-x   7 Wayne  staff  238 Oct 13 16:31 gulp-imagemin
drwxr-xr-x   7 Wayne  staff  238 Oct 13 16:31 imagemin

What is the expected behavior?

Optional dependencies mentioned in package.json should be installed, as per NPM.

$ npm install --save gulp-imagemin
$ cd node_modules
$ ls -l | grep imagemin
drwxr-xr-x   6 Wayne  staff  204 Oct 13 16:32 gulp-imagemin
drwxr-xr-x   6 Wayne  staff  204 Oct 13 16:32 imagemin
drwxr-xr-x   6 Wayne  staff  204 Oct 13 16:32 imagemin-gifsicle
drwxr-xr-x   6 Wayne  staff  204 Oct 13 16:32 imagemin-jpegtran
drwxr-xr-x   6 Wayne  staff  204 Oct 13 16:32 imagemin-optipng
drwxr-xr-x   6 Wayne  staff  204 Oct 13 16:32 imagemin-svgo

Please mention your node.js, yarn and operating system version.

• node v6.8.0
• macOS Sierra
• yarn v0.15.1

[glenjamin]

See #789 for more info

TLDR is this is fixed on master.

[wayneashleyberry]

awesome, thanks @glenjamin