Create watch task

Keeps tests running in the background when files change

Author: wadetandy

gulpfile.js

@@ -3,6 +3,7 @@ const mocha   = require('gulp-mocha');
 const webpack = require('webpack-stream');
 const ts      = require('gulp-typescript');
 const del     = require('del');
+const watch   = require('gulp-watch');
 
 var tsProject = ts.createProject('tsconfig.json');
 
@@ -18,6 +19,12 @@ gulp.task('test', ['clean:test'], () =>
     .pipe(mocha())
 );
 
+gulp.task('watch', function () {
+  return watch(['src/**/*', 'test/**/*'], function () {
+    gulp.start('test')
+  })
+});
+
 gulp.task('test-browser', function () {
   gulp
     .src(['./index.d.ts.', './src/main.ts', './src/**/*.ts', './test/fixtures.ts', './test/test-helper.ts', './test/**/*-test.ts'], { base: '.' })

package.json

@@ -30,6 +30,7 @@
     "gulp-clean": "^0.3.2",
     "gulp-mocha": "^3.0.1",
     "gulp-typescript": "^3.1.3",
+    "gulp-watch": "4.3.11",
     "json-loader": "^0.5.4",
     "mocha": "^3.2.0",
     "sinon": "^1.17.6",