[英]Gulp-inject says “Nothing to inject into index.html”
I'm trying to inject some files in my index, all of them concatenated and minified into a .tmp folder, as follows: 我正在尝试在索引中注入一些文件,所有文件都连接在一起并缩小为.tmp文件夹,如下所示:
gulp.task('prep-js',['clean'], function(){
var jspath = './src/page/**/*.js';
var treatJs = gulp.src(jspath)
.pipe(plugins.concat('scripts.js'))
.pipe(plugins.uglify())
.pipe(gulp.dest('.tmp/page/js'))
});
But when I run the injection task, it says "Nothing to inject into index.html". 但是当我运行注入任务时,它说“没有注入index.html”。 Here's the code: 这是代码:
gulp.task('inject-deps', ['prep-css', 'prep-js'], function(){
//select main bower files
var bowerDep = gulp.src(plugins.mainBowerFiles(), {read: false});
//inject files
return gulp.src('./src/page/index.html')
.pipe(plugins.inject(bowerDep, {relative: true, name:'bower'}))
.pipe(plugins.inject(gulp.src('.tmp/page/js/*.js'), {name:'frontjs'}))
.pipe(plugins.inject(gulp.src('.tmp/page/css/*.css'), {name:'frontcss'}))
.pipe(gulp.dest('.tmp/page'));
});
Interesting thing, the first pipe injecting the main bower files works perfectly, but it doesn't happen to the following two. 有趣的是,注入主要凉亭文件的第一个管道工作完美,但它不会发生在以下两个。
Also, just for information, 'plugins' is a variable which is requiring my plugins. 另外,仅仅是为了获取信息,'plugins'是一个需要我的插件的变量。
Any idea about this issue? 对这个问题有什么看法吗?
You need to return the stream in your prep-js
task: 您需要在prep-js
任务中返回流:
gulp.task('prep-js',['clean'], function(){
var jspath = './src/page/**/*.js';
return gulp.src(jspath)
.pipe(plugins.concat('scripts.js'))
.pipe(plugins.uglify())
.pipe(gulp.dest('.tmp/page/js'))
});
Otherwise inject-deps
will not wait for prep-js
to finish before it runs, meaning the concatenated and uglified JS files will not be in .tmp/page/js
yet. 否则, inject-deps
将不会等待prep-js
在它运行之前完成,这意味着连接和uglified JS文件将不会在.tmp/page/js
。
Relevant portion of the Gulp documentation : Gulp文档的相关部分:
Note: By default, tasks run with maximum concurrency -- eg it launches all the tasks at once and waits for nothing. 注意:默认情况下,任务以最大并发性运行 - 例如,它立即启动所有任务并且不等待任何操作。 If you want to create a series where tasks run in a particular order, you need to do two things: 如果要创建一个按特定顺序运行任务的系列,则需要执行以下两项操作:
- give it a hint to tell it when the task is done, 在任务完成时给它一个暗示告诉它,
- and give it a hint that a task depends on completion of another. 并给它一个暗示,任务取决于另一个任务的完成。
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