Remove rollup from closure compilation

Update closure to 20171023.0.1
Remove rollup from closure pass
Save all Promise API when compiling

Author: dfreedm

gulpfile.js

@@ -15,7 +15,6 @@
 
 const gulp = require('gulp');
 const sourcemaps = require('gulp-sourcemaps');
-const buffer = require('vinyl-buffer');
 const rename = require('gulp-rename');
 const rollup = require('rollup-stream');
 const source = require('vinyl-source-stream');
@@ -70,11 +69,12 @@ function closurify(sourceName, fileName) {
   };
 
   return gulp.src([
-    'entrypoints/*.js', 'src/*.js',
-    'node_modules/es6-promise/lib/**/*.js',
-    'node_modules/@webcomponents/**/*.js',
-    '!node_modules/@webcomponents/*/externs/*.js'
-  ], {base: './'})
+      'entrypoints/*.js',
+      'src/*.js',
+      'node_modules/es6-promise/lib/es6-promise/**/*.js',
+      'node_modules/@webcomponents/**/*.js',
+      '!node_modules/@webcomponents/*/externs/*.js'
+    ], {base: './'})
   .pipe(closure(closureOptions))
   .pipe(sourcemaps.write('.'))
   .pipe(gulp.dest('.'));

package-lock.json

@@ -39,6 +39,8 @@
     "eslint": "^4.9.0",
     "google-closure-compiler": "^20171023.0.1",
     "gulp": "^3.8.8",
+    "gulp-add-src": "^0.2.0",
+    "gulp-header": "^1.8.9",
     "gulp-rename": "^1.2.2",
     "gulp-sourcemaps": "^2.4.1",
     "rollup-plugin-babel": "^2.7.1",

package.json

@@ -16,6 +16,11 @@ to work around https://github.com/webcomponents/webcomponentsjs/issues/837
 */
 if (!window.Promise) {
   window.Promise = ES6Promise;
-  // save catch function with a string name to prevent renaming and dead code eliminiation with closure
+  // save Promise API
   ES6Promise.prototype['catch'] = ES6Promise.prototype.catch;
+  ES6Promise.prototype['then'] = ES6Promise.prototype.then;
+  ES6Promise['all'] = ES6Promise.all;
+  ES6Promise['race'] = ES6Promise.race;
+  ES6Promise['resolve'] = ES6Promise.resolve;
+  ES6Promise['reject'] = ES6Promise.reject;
 }