Meta: migrate from travis-ci to Github Actions

.github/workflows/build.yml

@@ -0,0 +1,17 @@
+name: 'ecma-262'
+
+on: [pull_request, push]
+
+jobs:
+  build:
+    name: 'build & lint ecmarkup'
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/install@56f291b2a0d9e3bce72634356ae949b1e054b9f8
+        name: 'nvm install lts/* && npm ci'
+        with:
+          node-version: lts/*
+          use-npm-ci: true
+      - run: npm run build-master

.github/workflows/deploy.yml

@@ -0,0 +1,22 @@
+name: 'ecma-262'
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  deploy:
+    name: 'deploy github pages'
+    runs-on: ubuntu-latest
+    if: ${{ github.repository == 'tc39/ecma262' }}
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/install@56f291b2a0d9e3bce72634356ae949b1e054b9f8
+        name: 'nvm install lts/* && npm ci'
+        with:
+          node-version: lts/*
+          use-npm-ci: true
+      - run: npm run build-only
+      - run: ./scripts/auto-deploy.sh

.github/workflows/preview-build.yml

@@ -0,0 +1,26 @@
+name: Build Preview
+
+on:
+  pull_request:
+
+jobs:
+  build:
+    name: 'build PR preview'
+    runs-on: ubuntu-latest
+    outputs:
+      sha: ${{ github.event.pull_request.head.sha }}
+      pr: ${{ github.event.number }}
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/install@56f291b2a0d9e3bce72634356ae949b1e054b9f8
+        name: 'nvm install lts/* && npm ci'
+        with:
+          node-version: lts/*
+          use-npm-ci: true
+      - run: npm run build-only
+      - run: node scripts/insert_snapshot_warning
+      - uses: actions/upload-artifact@v2
+        with:
+          name: out
+          path: out/

.github/workflows/preview.yml

@@ -0,0 +1,51 @@
+name: Upload Preview
+
+on:
+  workflow_run:
+    workflows: ["Build Preview"]
+    types:
+      - completed
+
+jobs:
+  upload:
+    name: 'upload PR preview'
+    runs-on: ubuntu-latest
+    if: >
+      ${{
+        github.event.workflow_run.event == 'pull_request' &&
+        github.event.workflow_run.conclusion == 'success' &&
+        github.repository == 'tc39/ecma262'
+      }}
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/install@56f291b2a0d9e3bce72634356ae949b1e054b9f8
+        name: 'nvm install lts/* && npm ci'
+        with:
+          node-version: lts/*
+          use-npm-ci: true
+      - name: 'Download artifact'
+        uses: actions/[email protected]
+        with:
+          script: |
+            const { owner, repo } = context.repo;
+            const artifacts = await github.actions.listWorkflowRunArtifacts({
+               owner,
+               repo,
+               run_id: ${{ github.event.workflow_run.id }},
+            });
+            const { id: artifact_id } = artifacts.data.artifacts.find((artifact) => artifact.name == 'out');
+            const download = await github.actions.downloadArtifact({
+               owner,
+               repo,
+               artifact_id,
+               archive_format: 'zip',
+            });
+            const fs = require('fs');
+            fs.writeFileSync('${{ github.workspace }}/out.zip', Buffer.from(download.data));
+      - run: unzip -o out.zip -d out
+      - run: node scripts/publish-preview
+        env:
+          CI_PREVIEW_TOKEN: ${{ secrets.CI_PREVIEW_TOKEN }}
+          PULL_REQUEST: ${{ github.event.workflow_run.pull_requests['0'].number }}
+          GITHUB_HEAD_SHA: ${{ github.event.workflow_run.head_commit.id }}

.github/workflows/require-allow-edits.yml

@@ -10,5 +10,3 @@ jobs:
 
     steps:
     - uses: ljharb/require-allow-edits@main
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

scripts/publish-preview.js

@@ -9,35 +9,41 @@ const tar = require('tar-stream');
 
 
 async function go() {
-	const { TRAVIS_PULL_REQUEST, TRAVIS_PULL_REQUEST_SHA } = process.env;
+	const {
+		PULL_REQUEST,
+		GITHUB_HEAD_SHA,
+		GITHUB_REPOSITORY = 'tc39/ecma262',
+	} = process.env;
 
-	if (!TRAVIS_PULL_REQUEST) { throw new ReferenceError('Missing env var TRAVIS_PULL_REQUEST'); }
-	if (!TRAVIS_PULL_REQUEST_SHA) { throw new ReferenceError('Missing env var TRAVIS_PULL_REQUEST_SHA'); }
+	if (!PULL_REQUEST) { throw new ReferenceError('Missing env var PULL_REQUEST'); }
+	if (!GITHUB_HEAD_SHA) { throw new ReferenceError('Missing env var GITHUB_HEAD_SHA'); }
 
 	const dir = join(__dirname, '..', 'out');
 	const files = glob(join(dir, '**'), { nodir: true });
 
 	if (!files.length) { throw new ReferenceError('No preview files found to publish'); }
 
-	console.log(`Publishing preview build of PR ${TRAVIS_PULL_REQUEST} (SHA ${TRAVIS_PULL_REQUEST_SHA})`);
+	console.log(`Publishing preview build of PR ${PULL_REQUEST} (SHA ${GITHUB_HEAD_SHA})`);
 
 	const compressed = await compress(files, dir);
 	console.log(`Packed to ${compressed.length / 1000}kB`);
 
 	const data = {
-		pr: TRAVIS_PULL_REQUEST,
-		sha: TRAVIS_PULL_REQUEST_SHA,
+		pr: PULL_REQUEST,
+		sha: GITHUB_HEAD_SHA,
 		compressed,
 	};
 
-	const url = 'https://ci.tc39.es/preview/tc39/ecma262';
+	const [user, repo] = GITHUB_REPOSITORY.split('/');
+	const url = `https://ci.tc39.es/preview/${user}/${repo}`;
 
 	const payloadSize = JSON.stringify(data).length;
 	console.log(`Payload size: ${payloadSize / 1000}kB`);
 	if (payloadSize >= 1000 * 1000 * 6) {
 		throw Error('Payloads must be under 6MB');
 	}
 
+	console.log(`URL posted to: ${url}`);
 	await tiny.post({ url, data });
 	console.log('Sent to preview!')
 }