Making a failing autoload-ts test for issue #219

package.json

@@ -28,7 +28,8 @@
     "pretest": "npm run lint",
     "test": "mocha --async-only --timeout 5000 test/lib test",
     "cover": "nyc --reporter=lcov --reporter=text-summary npm test",
-    "coveralls": "nyc --reporter=text-lcov npm test | coveralls"
+    "coveralls": "nyc --reporter=text-lcov npm test | coveralls",
+    "ts-test": "gulp --gulpfile test/fixtures/config/flags/gulpfile/autoload-ts/other_folder/gulpfile.exports.ts dist"
   },
   "dependencies": {
     "ansi-colors": "^1.0.1",
@@ -63,7 +64,9 @@
     "mocha": "^3.2.0",
     "nyc": "^13.3.0",
     "rimraf": "^2.6.1",
-    "semver": "^5.7.1"
+    "semver": "^5.7.1",
+    "ts-node": "^9.0.0",
+    "typescript": "^4.0.3"
   },
   "keywords": [
     "build",

test/config-flags-gulpfile.js

@@ -127,5 +127,28 @@ describe('config: flags.gulpfile', function() {
     }
   });
 
+  it('Should autoload ts-node/register for a specified TypeScript gulpfile', function(done) {
+    this.timeout(0);
+
+    runner
+      .chdir('flags/gulpfile/autoload-ts')
+      .gulp('dist')
+      .run(cb);
+
+    function cb(err, stdout, stderr) {
+      expect(err).toEqual(null);
+      expect(stderr).toEqual('');
+
+      var requiring = eraseTime(headLines(stdout, 1));
+      expect(requiring).toEqual('Requiring external module ts-node/register');
+      var clean = eraseTime(headLines(stdout, 1, 4));
+      expect(clean).toEqual('clean!');
+      var build = eraseTime(headLines(stdout, 1, 7));
+      expect(build).toEqual('build!');
+
+      done(err);
+    }
+  });
+
 });
 

test/fixtures/config/flags/gulpfile/autoload-ts/.gulp.json

@@ -0,0 +1,5 @@
+{
+  "flags": {
+    "gulpfile": "other_folder/gulpfile-exports.ts"
+  }
+}

test/fixtures/config/flags/gulpfile/autoload-ts/other_folder/gulpfile.exports.ts

@@ -0,0 +1,6 @@
+import * as gulp from 'gulp';
+
+export function clean(done) { console.log('clean!'); done(); };
+export function build(done) { console.log('build!'); done(); };
+export const string = 'no function';
+export const dist = gulp.series(clean, build);