Run parser tests from the official TypeScript parser (#10444)

.travis.yml

@@ -20,6 +20,7 @@ script:
   - if [ "$JOB" = "test" ]; then make -j test-ci; fi
   - if [ "$JOB" = "lint" ]; then make -j code-quality-ci; fi
   - if [ "$JOB" = "babel-parser-flow-tests" ]; then make -j test-flow-ci; fi
+  - if [ "$JOB" = "babel-parser-typescript-tests" ]; then make -j test-typescript-ci; fi
   - if [ "$JOB" = "babel-parser-test262-tests" ]; then make -j test-test262-ci; fi
 
 matrix:
@@ -42,6 +43,8 @@ matrix:
     - node_js: "8"
     - node_js: "node"
       env: JOB=babel-parser-flow-tests
+    - node_js: "node"
+      env: JOB=babel-parser-typescript-tests
     - node_js: "node"
       env: JOB=babel-parser-test262-tests
 

Makefile

@@ -1,5 +1,6 @@
 FLOW_COMMIT = 09669846b7a7ca5a6c23c12d56bb3bebdafd67e9
 TEST262_COMMIT = 8688c4ab79059c3097098605e69f1ee5eda6c409
+TYPESCRIPT_COMMIT = 038d95144d8b93c2799d1732181c89c3d84362d5
 
 FORCE_PUBLISH = "@babel/runtime,@babel/runtime-corejs2,@babel/runtime-corejs3,@babel/standalone,@babel/preset-env-standalone"
 
@@ -111,7 +112,7 @@ lint-js:
 	yarn eslint scripts $(SOURCES) '*.js' --format=codeframe
 
 lint-ts:
-	scripts/tests/typescript/lint.sh
+	scripts/lint-ts-typings.sh
 
 fix: fix-json fix-js
 
@@ -159,13 +160,28 @@ bootstrap-flow:
 	cd build/flow && git checkout $(FLOW_COMMIT)
 
 test-flow:
-	node scripts/tests/flow
+	node scripts/parser-tests/flow
 
 test-flow-ci: build-bundle-ci bootstrap-flow
 	$(MAKE) test-flow
 
 test-flow-update-whitelist:
-	node scripts/tests/flow --update-whitelist
+	node scripts/parser-tests/flow --update-whitelist
+
+bootstrap-typescript:
+	rm -rf ./build/typescript
+	mkdir -p ./build
+	git clone --branch=master --single-branch --shallow-since=2019-09-01 https://github.com/microsoft/TypeScript.git ./build/typescript
+	cd build/typescript && git checkout $(TYPESCRIPT_COMMIT)
+
+test-typescript:
+	node scripts/parser-tests/typescript
+
+test-typescript-ci: build-bundle-ci bootstrap-typescript
+	$(MAKE) test-typescript
+
+test-typescript-update-whitelist:
+	node scripts/parser-tests/typescript --update-whitelist
 
 bootstrap-test262:
 	rm -rf build/test262
@@ -174,13 +190,13 @@ bootstrap-test262:
 	cd build/test262 && git checkout $(TEST262_COMMIT)
 
 test-test262:
-	node scripts/tests/test262
+	node scripts/parser-tests/test262
 
 test-test262-ci: build-bundle-ci bootstrap-test262
 	$(MAKE) test-test262
 
 test-test262-update-whitelist:
-	node scripts/tests/test262 --update-whitelist
+	node scripts/parser-tests/test262 --update-whitelist
 
 # Does not work on Windows
 clone-license:

scripts/parser-tests/typescript/index.js

@@ -0,0 +1,58 @@
+const path = require("path");
+const fs = require("fs").promises;
+const ts = require("typescript");
+const TestRunner = require("../utils/parser-test-runner");
+
+async function* loadTests(dir) {
+  const names = await fs.readdir(dir);
+
+  for (const name of names) {
+    const contents = await fs.readFile(path.join(dir, name), "utf8");
+    yield { name, contents };
+  }
+}
+
+const plugins = [
+  "typescript",
+  "classProperties",
+  "decorators-legacy",
+  "bigInt",
+  "dynamicImport",
+];
+
+const runner = new TestRunner({
+  testDir: path.join(
+    __dirname,
+    "../../../build/typescript/tests/cases/compiler"
+  ),
+  whitelist: path.join(__dirname, "whitelist.txt"),
+  logInterval: 50,
+  shouldUpdate: process.argv.includes("--update-whitelist"),
+
+  async *getTests() {
+    for await (const test of loadTests(this.testDir)) {
+      const isTSX = test.name.slice(-4) === ".tsx";
+      const ast = ts.createSourceFile(
+        test.name,
+        test.contents,
+        ts.ScriptTarget.Latest,
+        false,
+        isTSX ? ts.ScriptKind.TSX : ts.ScriptKind.TS
+      );
+
+      yield {
+        contents: test.contents,
+        fileName: test.name,
+        id: test.name,
+        expectedError: ast.parseDiagnostics.length > 0,
+        sourceType: "module",
+        plugins: isTSX ? plugins.concat("jsx") : plugins,
+      };
+    }
+  },
+});
+
+runner.run().catch(err => {
+  console.error(err);
+  process.exitCode = 1;
+});