如何将Bower与Gulp.js集成？

Question

我正在尝试编写一个可以做一些事情的gulp任务

1. 安装Bower依赖项
2. 按顺序将这些依赖项转换为一个文件

我希望这样做而不必指定那些依赖项的路径.我知道有命令,bower list --paths但我不确定是否可以将它绑在一起.

有什么想法吗？

编辑

所以我试图使用gulp -bower文件,我收到一个eaccess错误,它没有生成连接文件.

gulpfile.js

var gulp = require('gulp');
var bower = require('bower');
var concat = require('gulp-concat');
var bower_files = require('gulp-bower-files');

gulp.task("libs", function(){
    bower_files()
    .pipe(concat('./libs.js'))
    .pipe(gulp.dest("/"));
});

bower.json

{
  "name": "ember-boilerplate",
  "version": "0.0.0",
  "dependencies": {
    "ember": "1.6.0-beta.1",
    "ember-data": "1.0.0-beta.7"
  }
}

我一直遇到这个错误

events.js:72
        throw er; // Unhandled 'error' event
              ^
Error: EACCES, open '/libs.js'

Answer 1

使用main-bower-files

它抓取项目bower.json中定义的Bower包的所有生产(主)文件,并将它们用作您的任务的gulp src.

将它集成到你的gulpfile中:

var mainBowerFiles = require('main-bower-files');

我做了这个任务,抓取所有生产文件,过滤css/js/fonts并将它们输出到各自子文件夹(css/js/fonts)的公共文件夹中.

这是一个例子:

var gulp = require('gulp');

// define plug-ins
var flatten = require('gulp-flatten');
var gulpFilter = require('gulp-filter'); // 4.0.0+
var uglify = require('gulp-uglify');
var minifycss = require('gulp-minify-css');
var rename = require('gulp-rename');
var mainBowerFiles = require('main-bower-files');

// Define paths variables
var dest_path =  'www';
// grab libraries files from bower_components, minify and push in /public
gulp.task('publish-components', function() {

        var jsFilter = gulpFilter('**/*.js');
        var cssFilter = gulpFilter('**/*.css');
        var fontFilter = gulpFilter(['**/*.eot', '**/*.woff', '**/*.svg', '**/*.ttf']);

        return gulp.src(mainBowerFiles())

        // grab vendor js files from bower_components, minify and push in /public
        .pipe(jsFilter)
        .pipe(gulp.dest(dest_path + '/js/'))
        .pipe(uglify())
        .pipe(rename({
            suffix: ".min"
        }))
        .pipe(gulp.dest(dest_path + '/js/'))
        .pipe(jsFilter.restore())

        // grab vendor css files from bower_components, minify and push in /public
        .pipe(cssFilter)
        .pipe(gulp.dest(dest_path + '/css'))
        .pipe(minifycss())
        .pipe(rename({
            suffix: ".min"
        }))
        .pipe(gulp.dest(dest_path + '/css'))
        .pipe(cssFilter.restore())

        // grab vendor font files from bower_components and push in /public
        .pipe(fontFilter)
        .pipe(flatten())
        .pipe(gulp.dest(dest_path + '/fonts'));
});

Answer 2

我试图运行列出的gulpfile并遇到一些错误.第一个gulpFilter.restore不是函数,其次,如果您计划还原已过滤的文件,则需要在定义过滤器时传递{restore:true}.像这样:

// gulpfile.js

var mainBowerFiles = require('main-bower-files');

var gulp = require('gulp');

// define plug-ins
var flatten = require('gulp-flatten'),
  gulpFilter = require('gulp-filter'),
  uglify = require('gulp-uglify'),
  minifycss = require('gulp-minify-css'),
  rename = require('gulp-rename'),
  mainBowerFiles = require('main-bower-files');

// Define paths variables
var dest_path =  'www';

// grab libraries files from bower_components, minify and push in /public
gulp.task('publish-components', function() {
  var jsFilter = gulpFilter('*.js', {restore: true}),
      cssFilter = gulpFilter('*.css', {restore: true}),
      fontFilter = gulpFilter(['*.eot', '*.woff', '*.svg', '*.ttf'], {restore: true});

  return gulp.src(mainBowerFiles())

  // grab vendor js files from bower_components, minify and push in /public
  .pipe(jsFilter)
  .pipe(gulp.dest(dest_path + '/js/'))
  .pipe(uglify())
  .pipe(rename({
    suffix: ".min"
  }))
  .pipe(gulp.dest(dest_path + '/js/'))
  .pipe(jsFilter.restore)

  // grab vendor css files from bower_components, minify and push in /public
  .pipe(cssFilter)
  .pipe(gulp.dest(dest_path + '/css'))
  .pipe(minifycss())
  .pipe(rename({
      suffix: ".min"
  }))
  .pipe(gulp.dest(dest_path + '/css'))
  .pipe(cssFilter.restore)

  // grab vendor font files from bower_components and push in /public
  .pipe(fontFilter)
  .pipe(flatten())
  .pipe(gulp.dest(dest_path + '/fonts'));
});

提到的变化之后它运行得很好.:)