使用 Gulp 连接和 Uglify 文件

问题描述

我正在尝试使用 Gulp 来:

I'm trying to use Gulp to:

1. 获取 3 个特定的 javascript 文件，将它们连接起来，然后将结果保存到一个文件 (concat.js)
2. 获取这个连接的文件并对其进行 uglify/minify，然后将结果保存到另一个文件 (uglify.js)

到目前为止，我有以下代码

I have the following code so far

    var gulp = require('gulp'),
        gp_concat = require('gulp-concat'),
        gp_uglify = require('gulp-uglify');

    gulp.task('js-fef', function(){
        return gulp.src(['file1.js', 'file2.js', 'file3.js'])
            .pipe(gp_concat('concat.js'))
            .pipe(gp_uglify())
            .pipe(gulp.dest('js'));
    });

    gulp.task('default', ['js-fef'], function(){});

但是，uglify 操作似乎不起作用，或者由于某种原因没有生成文件.

However, the uglify operation doesn't seem to be working, or the file isn't generated for some reason.

我需要做些什么才能做到这一点?

What do I need to do to make this happen?

推荐答案

原来我需要使用 gulp-rename 并在 'uglification' 之前先输出连接的文件.代码如下:

It turns out that I needed to use gulp-rename and also output the concatenated file first before 'uglification'. Here's the code:

var gulp = require('gulp'),
    gp_concat = require('gulp-concat'),
    gp_rename = require('gulp-rename'),
    gp_uglify = require('gulp-uglify');

gulp.task('js-fef', function(){
    return gulp.src(['file1.js', 'file2.js', 'file3.js'])
        .pipe(gp_concat('concat.js'))
        .pipe(gulp.dest('dist'))
        .pipe(gp_rename('uglify.js'))
        .pipe(gp_uglify())
        .pipe(gulp.dest('dist'));
});

gulp.task('default', ['js-fef'], function(){});

来自 grunt 起初有点令人困惑，但现在可以理解了.我希望它对 gulp 菜鸟有所帮助.

Coming from grunt it was a little confusing at first but it makes sense now. I hope it helps the gulp noobs.

而且，如果您需要源地图，这里是更新后的代码:

And, if you need sourcemaps, here's the updated code:

var gulp = require('gulp'),
    gp_concat = require('gulp-concat'),
    gp_rename = require('gulp-rename'),
    gp_uglify = require('gulp-uglify'),
    gp_sourcemaps = require('gulp-sourcemaps');

gulp.task('js-fef', function(){
    return gulp.src(['file1.js', 'file2.js', 'file3.js'])
        .pipe(gp_sourcemaps.init())
        .pipe(gp_concat('concat.js'))
        .pipe(gulp.dest('dist'))
        .pipe(gp_rename('uglify.js'))
        .pipe(gp_uglify())
        .pipe(gp_sourcemaps.write('./'))
        .pipe(gulp.dest('dist'));
});

gulp.task('default', ['js-fef'], function(){});

有关选项和配置的更多信息，请参阅 gulp-sourcemaps.

See gulp-sourcemaps for more on options and configuration.

这篇关于使用 Gulp 连接和 Uglify 文件的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！