Gulp less 然后缩小任务 [英] Gulp less and then minify task

问题描述

我必须在 gulp 中执行 2 个步骤:

I have to make 2 steps in gulp:

1. 减少 .css 文件格式
2. 缩小生成的 css 文件

这是我的 gulpfile:

This is my gulpfile:

var gulp = require('gulp'),
    watch = require("gulp-watch"),
    less = require('gulp-less'),
    cssmin = require('gulp-cssmin'),
    rename = require('gulp-rename');

gulp.task('watch-less', function () {
    watch({glob: './*.less'}, function (files) { // watch any changes on coffee files
        gulp.start('compile-less'); // run the compile task
    });

    watch({
        glob: ['./*.css', '!./*.min.css']
    }, function(files) {
        gulp.start('minify-css'); // run the compile task
    });
});

gulp.task('compile-less', function () {
    gulp.src('./*.less') // path to your file
    .pipe(less().on('error', function(err) {
        console.log(err);
    }))
    .pipe(gulp.dest('./'));
});

gulp.task('minify-css', function() {
    gulp.src([
        './*.css',
        '!./*.min.css'
    ])
    .pipe(cssmin().on('error', function(err) {
        console.log(err);
    }))
    .pipe(rename({suffix: '.min'}))
    .pipe(gulp.dest('./'));
})

gulp.task('default', ['watch-less']);

当我启动它时，只完成了第一步.请帮帮我.

When i start it only first step is done. Help me please.

推荐答案

时间久了就不需要了，对我来说方便的解决方案是:

There is no needing after time, convinient solution for me was:

var gulp = require('gulp'),
    less = require('gulp-less'),
    cssmin = require('gulp-cssmin'),
    plumber = require('gulp-plumber'),
    rename = require('gulp-rename');

gulp.task('watch', function () {
    gulp.watch('./styles/*.less', ['less']);
});

gulp.task('less', function () {
    gulp.src('./styles/*.less')
        .pipe(plumber())
        .pipe(less())
        .pipe(gulp.dest('./styles/'))
        .pipe(cssmin())
        .pipe(rename({
            suffix: '.min'
        }))
        .pipe(gulp.dest('./styles'))

});

gulp.task('default', ['less', 'watch']);

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