将gulp从3升级到4-必须指定任务功能错误-怎么办?
我有一个简单的javascript网页,并使用了Gulp3。现在(据我所知)节点10与Gulp3崩溃,因此我升级到Gulp4。我对gulp的了解非常有限,现在正在阅读关于如何升级的教程,但仍然遇到错误:必须指定任务函数 任何帮助都会很好。谢谢将gulp从3升级到4-必须指定任务功能错误-怎么办?,gulp,Gulp,我有一个简单的javascript网页,并使用了Gulp3。现在(据我所知)节点10与Gulp3崩溃,因此我升级到Gulp4。我对gulp的了解非常有限,现在正在阅读关于如何升级的教程,但仍然遇到错误:必须指定任务函数 任何帮助都会很好。谢谢 var gulp = require('gulp'); var sass = require('gulp-sass'); var browserSync = require('browser-sync').create();
var gulp = require('gulp');
var sass = require('gulp-sass');
var browserSync = require('browser-sync').create();
var cleanCSS = require('gulp-clean-css');
var rename = require("gulp-rename");
var uglify = require('gulp-uglify');
var cache = require('gulp-cache');
var imagemin = require('gulp-imagemin');
// Compiles SCSS files from /scss into /css
gulp.task('sass', function (done) {
gulp.src('app/scss/styles.scss')
.pipe(sass())
.pipe(gulp.dest('css'))
.pipe(browserSync.reload({
stream: true
}))
done()
});
// Minify compiled CSS
gulp.task('minify-css', ['sass'], function (done) {
gulp.src('app/css/styles.css')
.pipe(cleanCSS({
compatibility: 'ie8'
}))
.pipe(rename({
suffix: '.min'
}))
.pipe(gulp.dest('css'))
.pipe(browserSync.reload({
stream: true
}))
done()
});
// Minify custom JS
gulp.task('minify-js', function (done) {
gulp.src('app/js/index.js')
.pipe(uglify())
.pipe(rename({
suffix: '.min'
}))
.pipe(gulp.dest('js'))
.pipe(browserSync.reload({
stream: true
}))
done()
});
// Copy vendor files from /node_modules into /vendor
gulp.task('copy', function (done) {
gulp.src([
'node_modules/bootstrap/dist/**/*',
'!**/npm.js',
'!**/bootstrap-theme.*',
'!**/*.map'
])
.pipe(gulp.dest('vendor/bootstrap'))
gulp.src(['node_modules/jquery/dist/jquery.js', 'node_modules/jquery/dist/jquery.min.js'])
.pipe(gulp.dest('vendor/jquery'))
gulp.src(['node_modules/jquery-easing/*.js'])
.pipe(gulp.dest('vendor/jquery-easing'))
/*gulp.src(['node_modules/waypoints/lib/jquery.waypoints.js'])
.pipe(gulp.dest('vendor/waypoint'))*/
gulp.src(['node_modules/animate.css/animate.css'])
.pipe(gulp.dest('vendor/animate'))
/* gulp.src(['node_modules/scrollreveal/dist/scrollreveal.js'])
.pipe(gulp.dest('vendor/scrollreveal'))*/
done()
})
// Optimizing Images
gulp.task('images', function(done) {
gulp.src('app/images/**/*.+(png|jpg|jpeg|gif|svg)')
// Caching images that ran through imagemin
.pipe(cache(imagemin({
interlaced: true,
})))
.pipe(gulp.dest('dist/images'));
done()
});
// Default task
/*gulp.task('default', ['sass', 'minify-css', 'minify-js', 'copy']);*/
gulp.task('default', gulp.series('sass', 'minify-css', 'minify-js', 'copy'));
// Configure the browserSync task
gulp.task('browserSync', function (done) {
browserSync.init({
server: {
baseDir: ''
},
port: process.env.PORT || 8080
});
done()
})
// Dev task with browserSync
//old:
/*
gulp.task('dev', ['browserSync', 'sass', 'minify-css', 'minify-js', 'images'], function () {
gulp.watch('scss/!*.scss', ['sass']);
gulp.watch('css/!*.css', ['minify-css']);
gulp.watch('js/!*.js', ['minify-js']);
// Reloads the browser whenever HTML or JS files change
gulp.watch('*.html', browserSync.reload);
gulp.watch('js/!**!/!*.js', browserSync.reload);
});*/
//new
gulp.task('watch', function(){
gulp.watch('app/scss/*.scss')
.on('change', function(path, stats) {
console.log('File ' + path + ' was changed');
}).on('unlink', function(path) {
console.log('File ' + path + ' was removed');
});
});
转换为gulp 4时,所有任务阵列:
gulp.task('minify-css',['sass'],函数(完成){
应使用以下系列:
gulp.task('minify-css',gulp.series('sass',函数(完成){
最终文件:
var gulp = require('gulp');
var sass = require('gulp-sass');
var browserSync = require('browser-sync').create();
var cleanCSS = require('gulp-clean-css');
var rename = require("gulp-rename");
var uglify = require('gulp-uglify');
var cache = require('gulp-cache');
var imagemin = require('gulp-imagemin');
// Compiles SCSS files from /scss into /css
gulp.task('sass', function (done) {
gulp.src('app/scss/styles.scss')
.pipe(sass())
.pipe(gulp.dest('css'))
.pipe(browserSync.reload({
stream: true
}))
done()
});
// Minify compiled CSS
gulp.task('minify-css', gulp.series('sass', function (done) {
gulp.src('app/css/styles.css')
.pipe(cleanCSS({
compatibility: 'ie8'
}))
.pipe(rename({
suffix: '.min'
}))
.pipe(gulp.dest('css'))
.pipe(browserSync.reload({
stream: true
}))
done()
}));
// Minify custom JS
gulp.task('minify-js', function (done) {
gulp.src('app/js/index.js')
.pipe(uglify())
.pipe(rename({
suffix: '.min'
}))
.pipe(gulp.dest('js'))
.pipe(browserSync.reload({
stream: true
}))
done()
});
// Copy vendor files from /node_modules into /vendor
gulp.task('copy', function (done) {
gulp.src([
'node_modules/bootstrap/dist/**/*',
'!**/npm.js',
'!**/bootstrap-theme.*',
'!**/*.map'
])
.pipe(gulp.dest('vendor/bootstrap'))
gulp.src(['node_modules/jquery/dist/jquery.js', 'node_modules/jquery/dist/jquery.min.js'])
.pipe(gulp.dest('vendor/jquery'))
gulp.src(['node_modules/jquery-easing/*.js'])
.pipe(gulp.dest('vendor/jquery-easing'))
/*gulp.src(['node_modules/waypoints/lib/jquery.waypoints.js'])
.pipe(gulp.dest('vendor/waypoint'))*/
gulp.src(['node_modules/animate.css/animate.css'])
.pipe(gulp.dest('vendor/animate'))
/* gulp.src(['node_modules/scrollreveal/dist/scrollreveal.js'])
.pipe(gulp.dest('vendor/scrollreveal'))*/
done()
})
// Optimizing Images
gulp.task('images', function(done) {
gulp.src('app/images/**/*.+(png|jpg|jpeg|gif|svg)')
// Caching images that ran through imagemin
.pipe(cache(imagemin({
interlaced: true,
})))
.pipe(gulp.dest('dist/images'));
done()
});
// Default task
/*gulp.task('default', ['sass', 'minify-css', 'minify-js', 'copy']);*/
gulp.task('default', gulp.series('sass', 'minify-css', 'minify-js', 'copy'));
// Configure the browserSync task
gulp.task('browserSync', function (done) {
browserSync.init({
server: {
baseDir: ''
},
port: process.env.PORT || 8080
});
done()
})
// Dev task with browserSync
//old:
/*
gulp.task('dev', ['browserSync', 'sass', 'minify-css', 'minify-js', 'images'], function () {
gulp.watch('scss/!*.scss', ['sass']);
gulp.watch('css/!*.css', ['minify-css']);
gulp.watch('js/!*.js', ['minify-js']);
// Reloads the browser whenever HTML or JS files change
gulp.watch('*.html', browserSync.reload);
gulp.watch('js/!**!/!*.js', browserSync.reload);
});*/
//new
gulp.task('watch', function(){
gulp.watch('app/scss/*.scss')
.on('change', function(path, stats) {
console.log('File ' + path + ' was changed');
}).on('unlink', function(path) {
console.log('File ' + path + ' was removed');
});
});
监视任务:
gulp.task('watch', function (done) {
gulp.watch('scss/*.scss', gulp.series('sass'));
gulp.watch('css/!*.css', gulp.series('minify-css'));
gulp.watch('js/!*.js', gulp.series('minify-js'));
// Reloads the browser whenever HTML or JS files change
gulp.watch('*.html', browserSync.reload);
gulp.watch('js/!**/!*.js', browserSync.reload);
return
});
转换为gulp 4时,所有任务阵列:
gulp.task('minify-css',['sass'],函数(完成){
应使用以下系列:
gulp.task('minify-css',gulp.series('sass',函数(完成){
最终文件:
var gulp = require('gulp');
var sass = require('gulp-sass');
var browserSync = require('browser-sync').create();
var cleanCSS = require('gulp-clean-css');
var rename = require("gulp-rename");
var uglify = require('gulp-uglify');
var cache = require('gulp-cache');
var imagemin = require('gulp-imagemin');
// Compiles SCSS files from /scss into /css
gulp.task('sass', function (done) {
gulp.src('app/scss/styles.scss')
.pipe(sass())
.pipe(gulp.dest('css'))
.pipe(browserSync.reload({
stream: true
}))
done()
});
// Minify compiled CSS
gulp.task('minify-css', gulp.series('sass', function (done) {
gulp.src('app/css/styles.css')
.pipe(cleanCSS({
compatibility: 'ie8'
}))
.pipe(rename({
suffix: '.min'
}))
.pipe(gulp.dest('css'))
.pipe(browserSync.reload({
stream: true
}))
done()
}));
// Minify custom JS
gulp.task('minify-js', function (done) {
gulp.src('app/js/index.js')
.pipe(uglify())
.pipe(rename({
suffix: '.min'
}))
.pipe(gulp.dest('js'))
.pipe(browserSync.reload({
stream: true
}))
done()
});
// Copy vendor files from /node_modules into /vendor
gulp.task('copy', function (done) {
gulp.src([
'node_modules/bootstrap/dist/**/*',
'!**/npm.js',
'!**/bootstrap-theme.*',
'!**/*.map'
])
.pipe(gulp.dest('vendor/bootstrap'))
gulp.src(['node_modules/jquery/dist/jquery.js', 'node_modules/jquery/dist/jquery.min.js'])
.pipe(gulp.dest('vendor/jquery'))
gulp.src(['node_modules/jquery-easing/*.js'])
.pipe(gulp.dest('vendor/jquery-easing'))
/*gulp.src(['node_modules/waypoints/lib/jquery.waypoints.js'])
.pipe(gulp.dest('vendor/waypoint'))*/
gulp.src(['node_modules/animate.css/animate.css'])
.pipe(gulp.dest('vendor/animate'))
/* gulp.src(['node_modules/scrollreveal/dist/scrollreveal.js'])
.pipe(gulp.dest('vendor/scrollreveal'))*/
done()
})
// Optimizing Images
gulp.task('images', function(done) {
gulp.src('app/images/**/*.+(png|jpg|jpeg|gif|svg)')
// Caching images that ran through imagemin
.pipe(cache(imagemin({
interlaced: true,
})))
.pipe(gulp.dest('dist/images'));
done()
});
// Default task
/*gulp.task('default', ['sass', 'minify-css', 'minify-js', 'copy']);*/
gulp.task('default', gulp.series('sass', 'minify-css', 'minify-js', 'copy'));
// Configure the browserSync task
gulp.task('browserSync', function (done) {
browserSync.init({
server: {
baseDir: ''
},
port: process.env.PORT || 8080
});
done()
})
// Dev task with browserSync
//old:
/*
gulp.task('dev', ['browserSync', 'sass', 'minify-css', 'minify-js', 'images'], function () {
gulp.watch('scss/!*.scss', ['sass']);
gulp.watch('css/!*.css', ['minify-css']);
gulp.watch('js/!*.js', ['minify-js']);
// Reloads the browser whenever HTML or JS files change
gulp.watch('*.html', browserSync.reload);
gulp.watch('js/!**!/!*.js', browserSync.reload);
});*/
//new
gulp.task('watch', function(){
gulp.watch('app/scss/*.scss')
.on('change', function(path, stats) {
console.log('File ' + path + ' was changed');
}).on('unlink', function(path) {
console.log('File ' + path + ' was removed');
});
});
监视任务:
gulp.task('watch', function (done) {
gulp.watch('scss/*.scss', gulp.series('sass'));
gulp.watch('css/!*.css', gulp.series('minify-css'));
gulp.watch('js/!*.js', gulp.series('minify-js'));
// Reloads the browser whenever HTML or JS files change
gulp.watch('*.html', browserSync.reload);
gulp.watch('js/!**/!*.js', browserSync.reload);
return
});
我试着用function代替gulp.task(),它对我很有效
我试着用function代替gulp.task(),它对我很有效
非常感谢。它现在确实运行了,但没有任何效果。没有显示任何内容,而且我发现关于jquery的奇怪错误没有定义(我使用jquery)或意外标记<(来自我使用的另一个库)。它必须连接到gulp,就像我刚刚打开index.html文件一样(没有使用gulp运行它),一切正常您的新监视任务似乎只监视scss文件,这可能是您提到的问题的原因吗?@javascripting您能提供发生的错误吗?我刚刚编辑了我的问题并添加了我的监视任务(是否像您所说的那样使用gulp.series)未捕获类型错误:无法读取未定义的属性“each”(来自jquery航路点),意外标记<(来自jquery),未定义jquery(来自jquery库),无法读取未定义的属性“fn”(来自类型库)您的监视任务中出现了一个小错误,您能使用上面更新的监视任务吗?@javascriptingThank。它现在运行,但没有任何功能。没有显示任何内容,并且我收到关于jquery的奇怪错误,没有定义(我使用jquery)或意外标记<(来自我使用的另一个库)。它必须连接到gulp,因为当我刚刚打开index.html文件(没有使用gulp运行它)时,一切正常。您的新监视任务似乎只监视scss文件,这可能是您提到的问题的原因吗?@javascripting您能提供发生的错误吗?我刚刚编辑了我的问题并添加了监视任务(像你说的那样使用gulp.series)未捕获类型错误:无法读取未定义的属性“each”(来自jquery航路点),意外标记<(来自jquery),未定义jquery(来自jquery库),无法读取未定义的属性“fn”(来自类型库)您的监视任务有一个小错误,您能使用上面更新的监视任务吗?@javascripting