配置 image 任务

var imagemin = require('gulp-imagemin')

gulp.task('watchimage', function () {
    gulp.watch('src/images/**/*', function (event) {
        var paths = watchPath(event,'src/','dist/')

        gutil.log(gutil.colors.green(event.type) + ' ' + paths.srcPath)
        gutil.log('Dist ' + paths.distPath)

        gulp.src(paths.srcPath)
            .pipe(imagemin({
                progressive: true
            }))
            .pipe(gulp.dest(paths.distDir))
    })
})

gulp.task('image', function () {
    gulp.src('src/images/**/*')
        .pipe(imagemin({
            progressive: true
        }))
        .pipe(gulp.dest('dist/images'))
})