Run Test262 tests against production artifacts.

.github/workflows/test.yml

@@ -25,3 +25,15 @@ jobs:
           node-version: 14.x
       - run: npm ci --no-optional
       - run: npm test
+  test-test262:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: use node.js v16.x
+      uses: actions/setup-node@v1
+      with:
+        node-version: 16.x
+    - run: npm ci
+    - run: npm run test262
+      env:
+        HEAD_SHA: ${{ github.event.pull_request.head.sha }}

.gitignore

@@ -5,3 +5,4 @@ tsc-out/
 .vscode/*
 !.vscode/launch.json
 *.tgz
+test/tc39

.npmignore

@@ -4,3 +4,5 @@ types
 tsconfig.json
 *.sh
 .vscode
+dist/script.js
+dist/playground.cjs

lib/init.ts

@@ -0,0 +1,42 @@
+// This is an alternate entry point that polyfills Temporal onto the global
+// object. This is used only for the browser playground and the test262 tests.
+// See the note in index.mjs.
+
+import * as Temporal from './temporal';
+import * as Intl from './intl';
+import { toTemporalInstant } from './legacydate';
+
+Object.defineProperty(globalThis, 'Temporal', {
+  value: {},
+  writable: true,
+  enumerable: false,
+  configurable: true
+});
+copy(globalThis.Temporal, Temporal);
+Object.defineProperty(globalThis.Temporal, Symbol.toStringTag, {
+  value: 'Temporal',
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
+copy(globalThis.Temporal.Now, Temporal.Now);
+copy(globalThis.Intl, Intl);
+Object.defineProperty(globalThis.Date.prototype, 'toTemporalInstant', {
+  value: toTemporalInstant,
+  writable: true,
+  enumerable: false,
+  configurable: true
+});
+
+function copy(target, source) {
+  for (const prop of Object.getOwnPropertyNames(source)) {
+    Object.defineProperty(target, prop, {
+      value: source[prop],
+      writable: true,
+      enumerable: false,
+      configurable: true
+    });
+  }
+}
+
+export { Temporal, Intl, toTemporalInstant };

package.json

@@ -18,9 +18,11 @@
   "types": "./index.d.ts",
   "scripts": {
     "test": "tsc && node --no-warnings --experimental-modules --experimental-specifier-resolution=node --icu-data-dir node_modules/full-icu --loader ./test/resolve.source.mjs ./test/all.mjs",
-    "build": "rollup -c rollup.config.js",
+    "test262": "./test/test262.sh",
+    "build": "rm -rf dist/* && rollup -c rollup.config.js",
+    "prepare": "npm run build",
     "prepublishOnly": "npm run build",
-    "playground": "npm run build && node --experimental-modules --no-warnings --icu-data-dir node_modules/full-icu -r ./lib/init.cjs",
+    "playground": "TEMPORAL_PLAYGROUND=1 npm run build && node --experimental-modules --no-warnings --icu-data-dir node_modules/full-icu -r ./dist/playground.cjs",
     "lint": "eslint . --ext ts,js,mjs,.d.ts --max-warnings 0 --cache \"$@\"",
     "postlint": "npm run tscheck",
     "pretty": "eslint . --ext ts,js,mjs,.d.ts --fix",

rollup.config.js

@@ -7,14 +7,16 @@ import { terser } from 'rollup-plugin-terser';
 import { env } from 'process';
 import pkg from './package.json';
 
-const isProduction = env.NODE_ENV === 'production';
+const isPlaygroundBuild = !!env.TEMPORAL_PLAYGROUND;
+const isTest262 = !!env.TEST262;
+const isProduction = env.NODE_ENV === 'production' && !isTest262;
 const libName = 'temporal';
 
 const plugins = [
   typescript({
     typescript: require('typescript')
   }),
-  replace({ exclude: 'node_modules/**', 'globalThis.__debug__': !isProduction, preventAssignment: true }),
+  replace({ exclude: 'node_modules/**', 'globalThis.__debug__': !isTest262 && !isProduction, preventAssignment: true }),
   resolve({ preferBuiltins: false }),
   commonjs(),
   babel({
@@ -51,7 +53,7 @@ function outputEntry(file, format) {
   };
 }
 
-export default [
+let builds = [
   {
     input,
     external,
@@ -74,3 +76,36 @@ export default [
     plugins
   }
 ];
+
+if (isTest262) {
+  builds = [
+    {
+      input: 'lib/init.ts',
+      output: {
+        name: libName,
+        file: 'dist/script.js',
+        format: 'iife',
+        sourcemap: true
+      },
+      plugins
+    }
+  ];
+}
+
+if (isPlaygroundBuild) {
+  builds = [
+    {
+      input: 'lib/init.ts',
+      output: {
+        name: libName,
+        file: 'dist/playground.cjs',
+        format: 'cjs',
+        exports: 'named',
+        sourcemap: true
+      },
+      plugins
+    }
+  ];
+}
+
+export default builds;

test/test262.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+set -e
+cd "$(dirname "$0")"
+if [ ! -d "tc39" ]; then
+  git clone --depth=1 https://github.com/tc39/proposal-temporal.git tc39
+else
+  cd ./tc39
+  git fetch origin
+  git merge --ff-only origin/main
+fi
+
+cd ../ && TEST262=1 npm run build
+cd tc39/polyfill && npm install
+if [ ! -z "$TESTS" ]; then
+  PRELUDE=../../../dist/script.js npm run test262 "$TESTS"
+else
+  PRELUDE=../../../dist/script.js npm run test262
+fi

tsconfig.json

@@ -37,7 +37,7 @@
     // "strictNullChecks": true,
     // "strictPropertyInitialization": true,
     "stripInternal": true,
-    "target": "es5",
+    "target": "es2015",
     "outDir": "tsc-out/",
     "types": []
   },