Release v3.15.0 #169

	name: Diff changes to dist

	on:
	pull_request:
	paths: ['dist/**']

	jobs:
	generate-diff:
	name: Generate Diff
	runs-on: ubuntu-latest
	# Abort if run from a fork, as token won't have write access to post comment
	if: github.event.pull_request.head.repo.full_name == github.repository
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0 # Need to also checkout the base branch to compare
	- uses: actions/setup-node@v1
	- name: Set up diff drivers
	run: \|
	npm install -g js-beautify
	git config diff.minjs.textconv js-beautify
	git config diff.mincss.textconv js-beautify
	- name: Generate diff
	id: diff
	run: \|
	git diff -M05 origin/$GITHUB_BASE_REF -- dist \
	> $GITHUB_WORKSPACE/dist.diff
	- name: Add comment to PR
	uses: actions/github-script@v3
	with:
	github-token: ${{secrets.GITHUB_TOKEN}}
	script: \|
	const fs = require('fs').promises
	const diff = await fs.readFile(
	process.env.GITHUB_WORKSPACE + '/dist.diff', 'utf8'
	)

	const commentText = '## Changes to dist\n' +
	'```diff\n' +
	diff +
	'\n```'

	github.issues.createComment({
	issue_number: context.payload.pull_request.number,
	owner: context.repo.owner,
	repo: context.repo.repo,
	body: commentText
	})

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