From e64133d674b7159fec79030a394c6e073a6a778c Mon Sep 17 00:00:00 2001
From: Daniel Freedman <dfreedm@google.com>
Date: Fri, 3 Feb 2017 17:11:01 -0800
Subject: [PATCH] Refresh bower packages on gulping

Add `debug` gulp task to not refresh bower
---
 gulpfile.js  | 28 ++++++++++++++++++++++------
 package.json |  3 +++
 2 files changed, 25 insertions(+), 6 deletions(-)

diff --git a/gulpfile.js b/gulpfile.js
index bc811ae..a9b0bf8 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -17,6 +17,9 @@ const buffer = require('vinyl-buffer');
 const rename = require('gulp-rename');
 const rollup = require('rollup-stream');
 const source = require('vinyl-source-stream');
+const del = require('del');
+const bower = require('bower');
+const runseq = require('run-sequence');
 
 function singleLicenseComment() {
   let hasLicense = false;
@@ -61,23 +64,36 @@ function minify(sourceName, fileName, needsContext) {
 }
 
 gulp.task('minify-none', () => {
-  minify('webcomponents-none')
+  return minify('webcomponents-none')
 });
 
 gulp.task('minify-hi', () => {
-  minify('webcomponents-hi')
+  return minify('webcomponents-hi')
 });
 
 gulp.task('minify-hi-ce', () => {
-  minify('webcomponents-hi-ce')
+  return minify('webcomponents-hi-ce')
 });
 
 gulp.task('minify-hi-sd-ce', () => {
-  minify('webcomponents-hi-sd-ce')
+  return minify('webcomponents-hi-sd-ce')
 });
 
 gulp.task('minify-hi-sd-ce-pf', () => {
-  minify('webcomponents-hi-sd-ce-pf', 'webcomponents-lite', true)
+  return minify('webcomponents-hi-sd-ce-pf', 'webcomponents-lite', true)
 });
 
-gulp.task('default', ['minify-none', 'minify-hi', 'minify-hi-ce', 'minify-hi-sd-ce', 'minify-hi-sd-ce-pf']);
+gulp.task('refresh-bower', () => {
+  return del('bower_components').then(() => {
+    let resolve, reject;
+    let p = new Promise((res, rej) => {resolve = res; reject = rej});
+    bower.commands.install().on('end', () => resolve()).on('error', (e) => reject(e));
+    return p;
+  });
+});
+
+gulp.task('default', (cb) => {
+  runseq('refresh-bower', 'build', cb);
+});
+
+gulp.task('build', ['minify-none', 'minify-hi', 'minify-hi-ce', 'minify-hi-sd-ce', 'minify-hi-sd-ce-pf']);
diff --git a/package.json b/package.json
index feb4150..b51cd5d 100644
--- a/package.json
+++ b/package.json
@@ -22,11 +22,14 @@
   "homepage": "http://webcomponents.org",
   "devDependencies": {
     "babel-preset-babili": "0.0.9",
+    "bower": "^1.8.0",
+    "del": "^2.2.2",
     "gulp": "^3.8.8",
     "gulp-babel": "^6.1.2",
     "gulp-rename": "^1.2.2",
     "gulp-sourcemaps": "1.9.0",
     "rollup-stream": "^1.14.0",
+    "run-sequence": "^1.2.2",
     "vinyl-buffer": "^1.0.0",
     "vinyl-source-stream": "^1.1.0",
     "web-component-tester": "^6.0.0-prerelease.4"