gulp-uglify events.js未处理的“错误”事件

我收到这个错误.昨天运行gulp工作完全正常,但今天早上(更改了无代码),我收到此错误.

$gulp
[08:54:10] Using gulpfile C:\Source\Source2\bunny-meadows\gulpfile.js
[08:54:10] Starting 'scripts'...
[08:54:10] 'scripts' errored after 11 ms
[08:54:10] TypeError: listener must be a function
    at TypeError (<anonymous>)
    at DestroyableTransform.addListener (events.js:130:11)
    at DestroyableTransform.Readable.on (C:\Source\Source2\bunny-meadows\node_mo
dules\gulp-uglify\node_modules\through2\node_modules\readable-stream\lib\_stream
_readable.js:729:33)
    at Gulp.<anonymous> (C:\Source\Source2\bunny-meadows\gulpfile.js:37:10)
    at module.exports (C:\Source\Source2\bunny-meadows\node_modules\gulp\node_mo
dules\orchestrator\lib\runTask.js:34:7)
    at Gulp.Orchestrator._runTask (C:\Source\Source2\bunny-meadows\node_modules\
gulp\node_modules\orchestrator\index.js:273:3)
    at Gulp.Orchestrator._runStep (C:\Source\Source2\bunny-meadows\node_modules\
gulp\node_modules\orchestrator\index.js:214:10)
    at Gulp.Orchestrator.start (C:\Source\Source2\bunny-meadows\node_modules\gul
p\node_modules\orchestrator\index.js:134:8)
    at c:\Users\hschillig.SCDL\AppData\Roaming\npm\node_modules\gulp\bin\gulp.js
:129:20
    at process._tickCallback (node.js:419:13)

events.js:72
        throw er; // Unhandled 'error' event
              ^
Error
    at new JS_Parse_Error (C:\Source\Source2\bunny-meadows\node_modules\gulp-ugl
ify\node_modules\uglify-js\lib\parse.js:196:18)
    at js_error (C:\Source\Source2\bunny-meadows\node_modules\gulp-uglify\node_m
odules\uglify-js\lib\parse.js:204:11)
    at croak (C:\Source\Source2\bunny-meadows\node_modules\gulp-uglify\node_modu
les\uglify-js\lib\parse.js:675:9)
    at token_error (C:\Source\Source2\bunny-meadows\node_modules\gulp-uglify\nod
e_modules\uglify-js\lib\parse.js:683:9)
    at expect_token (C:\Source\Source2\bunny-meadows\node_modules\gulp-uglify\no
de_modules\uglify-js\lib\parse.js:696:9)
    at expect (C:\Source\Source2\bunny-meadows\node_modules\gulp-uglify\node_mod
ules\uglify-js\lib\parse.js:699:36)
    at function_ (C:\Source\Source2\bunny-meadows\node_modules\gulp-uglify\node_
modules\uglify-js\lib\parse.js:959:9)
    at expr_atom (C:\Source\Source2\bunny-meadows\node_modules\gulp-uglify\node_
modules\uglify-js\lib\parse.js:1188:24)
    at maybe_unary (C:\Source\Source2\bunny-meadows\node_modules\gulp-uglify\nod
e_modules\uglify-js\lib\parse.js:1358:19)
    at expr_ops (C:\Source\Source2\bunny-meadows\node_modules\gulp-uglify\node_m
odules\uglify-js\lib\parse.js:1393:24)
    at maybe_conditional (C:\Source\Source2\bunny-meadows\node_modules\gulp-ugli
fy\node_modules\uglify-js\lib\parse.js:1398:20)
    at maybe_assign (C:\Source\Source2\bunny-meadows\node_modules\gulp-uglify\no
de_modules\uglify-js\lib\parse.js:1422:20)

我的gulpfile.js看起来像这样：

var gulp = require('gulp');

// Include Our Plugins
var concat = require('gulp-concat');
var uglify = require('gulp-uglify');
var rename = require('gulp-rename');
var livereload = require('gulp-livereload');

var paths = {
    // using framework version of jquery
    scripts: [
        'public/assets/js/jquery.min.js','public/assets/plugins/mustachejs/mustache.js','public/assets/js/modernizr.js','public/assets/js/bootstrap.min.js','public/assets/js/placeholders.min.js','public/assets/plugins/bootstrap-wysiwyg/bootstrap3-wysihtml5.all.min.js','public/assets/plugins/bootstrap-wysiwyg/bootstrap3-wysihtml5.min.js','public/assets/plugins/responsiveslides/responsiveslides.min.js','public/assets/plugins/bxslider/jquery.bxslider.min.js','public/assets/plugins/magnific-popup/magnific-popup.js','public/assets/js/jquery.autocomplete.min.js','public/assets/js/plugins/additems.js','public/assets/js/plugins/farm/farm.js','public/assets/js/plugins/plusminus.js','public/assets/js/core.js'
    ]
};

// Concatenate & Minify JS
gulp.task('scripts',function() {
    return gulp.src(paths.scripts)
        .pipe(concat('all.js'))
        .pipe(gulp.dest('public/assets/js'))
        .pipe(rename('all.min.js'))
        .pipe(uglify())
        .on('error')
        .pipe(gulp.dest('public/assets/js'))
        .pipe(livereload());
});

// Watch Files For Changes
gulp.task('watch',function() {
    livereload.listen();
    gulp.watch(paths.scripts,['scripts']);
});

// Default Task
gulp.task('default',['scripts','watch']);

再次,我没有改变任何事情,所以我不明白为什么今天早上突然不想工作.

解决方法

以下帮助：

>安装Gulp-util
>使用以下语句导入Gulp-util：var gutil = require(‘gulp-util’);
>最后,当你正在修改代码时,请附上错误处理程序,如下所示：.pipe(uglify().on(‘error’,gutil.log))

我能够调试它.这是我包含的一个最小化的文件中的语法错误.

gulp-uglify events.js未处理的“错误”事件

解决方法

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