Reputation: 813
I'm using "gulp-bower" to auto install all the libs from bower.json, I also want gulp to minify all libs once it's been download. This is my code:
var gulp = require('gulp');
var sass = require('gulp-sass');
var concat = require('gulp-concat');
var bower = require('gulp-bower');
var mainBowerFiles = require('main-bower-files');
gulp.task('bower', function() {
return bower()
.pipe(gulp.dest("./bower_components"))
});
gulp.task('minifyBower', function() {
return gulp.src(mainBowerFiles())
.pipe(concat('lib.js'))
.pipe(gulp.dest('dist'))
});
gulp.task('default', ['bower','minifyBower']);
If I run this I got this error.
Starting 'bower'...
[11:23:06] Using cwd: /Users/yizhou/Documents/Yi
[11:23:06] Using bower dir: ./bower_components
[11:23:06] Starting 'minifyBower'...
[11:23:06] 'minifyBower' errored after 1.53 ms
[11:23:06] Error: Bower components directory does not exist at /Users/yizhou/Documents/Yi/bower_components
at Error (native)
at module.exports (/Users/yizhou/Documents/Yi/node_modules/main-bower-files/lib/index.js:76:71)
at Gulp.<anonymous> (/Users/yizhou/Documents/Yi/gulpfile.js:16:21)
at module.exports (/Users/yizhou/Documents/Yi/node_modules/gulp/node_modules/orchestrator/lib/runTask.js:34:7)
at Gulp.Orchestrator._runTask (/Users/yizhou/Documents/Yi/node_modules/gulp/node_modules/orchestrator/index.js:273:3)
at Gulp.Orchestrator._runStep (/Users/yizhou/Documents/Yi/node_modules/gulp/node_modules/orchestrator/index.js:214:10)
at Gulp.Orchestrator.start (/Users/yizhou/Documents/Yi/node_modules/gulp/node_modules/orchestrator/index.js:134:8)
at /usr/local/lib/node_modules/gulp/bin/gulp.js:129:20
at process._tickCallback (node.js:355:11)
at Function.Module.runMain (module.js:503:11)
[11:23:06] bower cached git://github.com/jquery/jquery.git#2.1.4
[11:23:06] bower validate 2.1.4 against git://github.com/jquery/jquery.git#~2.1.4
[11:23:07] bower install jquery#2.1.4
[11:23:08] Finished 'bower' after 2 s
Upvotes: 2
Views: 447
Reputation: 5927
gulp
runs every task asynchronously by default, to improve performance. If you want to run in sequence, you need to explicit declare dependencies:
gulp.task('minifyBower', ['bower'], function() { /* ... */ });
Now minifyBower
won't run until bower
is run. If you need more complex stuff, you should use something like run-sequence.
Upvotes: 1