Connatix viewability support #12
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| name: Check for linter warnings / exceptions | |
| on: | |
| pull_request_target: | |
| branches: | |
| - master | |
| jobs: | |
| check-linter: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Set up Node.js | |
| uses: actions/setup-node@v4 | |
| with: | |
| node-version: '20' | |
| - name: Checkout code | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 | |
| ref: ${{ github.event.pull_request.base.sha }} | |
| - name: Fetch base and target branches | |
| run: | | |
| git fetch origin +refs/heads/${{ github.event.pull_request.base.ref }}:refs/remotes/origin/${{ github.event.pull_request.base.ref }} | |
| git fetch origin +refs/pull/${{ github.event.pull_request.number }}/merge:refs/remotes/pull/${{ github.event.pull_request.number }}/merge | |
| - name: Install dependencies | |
| run: npm ci | |
| - name: Get the diff | |
| run: git diff --name-only origin/${{ github.event.pull_request.base.ref }}...refs/remotes/pull/${{ github.event.pull_request.number }}/merge | grep '^\(modules\|src\|libraries\|creative\)/.*\.js$' > __changed_files.txt || true | |
| - name: Run linter on base branch | |
| run: npx eslint --no-inline-config --format json $(cat __changed_files.txt | xargs stat --printf '%n\n' 2> /dev/null) > __base.json || true | |
| - name: Check out PR | |
| run: git checkout ${{ github.event.pull_request.head.sha }} | |
| - name: Run linter on PR | |
| run: npx eslint --no-inline-config --format json $(cat __changed_files.txt | xargs stat --printf '%n\n' 2> /dev/null) > __pr.json || true | |
| - name: Compare them and post comment if necessary | |
| uses: actions/github-script@v7 | |
| with: | |
| script: | | |
| const fs = require('fs'); | |
| const path = require('path'); | |
| const process = require('process'); | |
| function parse(fn) { | |
| return JSON.parse(fs.readFileSync(fn)).reduce((memo, data) => { | |
| const file = path.relative(process.cwd(), data.filePath); | |
| if (!memo.hasOwnProperty(file)) { memo[file] = { errors: 0, warnings: 0} } | |
| data.messages.forEach(({severity}) => { | |
| memo[file][severity > 1 ? 'errors' : 'warnings']++; | |
| }); | |
| return memo; | |
| }, {}) | |
| } | |
| function mkDiff(old, new_) { | |
| const files = Object.fromEntries( | |
| Object.entries(new_) | |
| .map(([file, {errors, warnings}]) => { | |
| const {errors: oldErrors, warnings: oldWarnings} = old[file] || {}; | |
| return [file, {errors: Math.max(0, errors - (oldErrors ?? 0)), warnings: Math.max(0, warnings - (oldWarnings ?? 0))}] | |
| }) | |
| .filter(([_, {errors, warnings}]) => errors > 0 || warnings > 0) | |
| ) | |
| return Object.values(files).reduce((memo, {warnings, errors}) => { | |
| memo.errors += errors; | |
| memo.warnings += warnings; | |
| return memo; | |
| }, {errors: 0, warnings: 0, files}) | |
| } | |
| function mkComment({errors, warnings, files}) { | |
| function pl(noun, number) { | |
| return noun + (number === 1 ? '' : 's') | |
| } | |
| if (errors === 0 && warnings === 0) return; | |
| const summary = []; | |
| if (errors) summary.push(`**${errors}** linter ${pl('error', errors)}`) | |
| if (warnings) summary.push(`**${warnings}** linter ${pl('warning', warnings)}`) | |
| let cm = `Tread carefully! This PR adds ${summary.join(' and ')} (possibly disabled through directives):\n\n`; | |
| Object.entries(files).forEach(([file, {errors, warnings}]) => { | |
| const summary = []; | |
| if (errors) summary.push(`+${errors} ${pl('error', errors)}`); | |
| if (warnings) summary.push(`+${warnings} ${pl('warning', warnings)}`) | |
| cm += ` * \`${file}\` (${summary.join(', ')})\n` | |
| }) | |
| return cm; | |
| } | |
| const [base, pr] = ['__base.json', '__pr.json'].map(parse); | |
| const comment = mkComment(mkDiff(base, pr)); | |
| if (comment) { | |
| github.rest.issues.createComment({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: context.issue.number, | |
| body: comment | |
| }); | |
| } |