Gulp 不通知 JS 错误,也不在运行 gulp 时编译 scss 文件

Gulp not notifying JS errors and not compiling scss files on running gulp

本文关键字:gulp 编译 scss 文件 运行 JS 通知 错误 Gulp      更新时间:2023-09-26

我一直在尝试改进我的标准gulpfile,以便在编译scss和JS时发生错误时发出通知。

SCSS问题

我让它为 SCSS 工作,它会在终端中抛出错误,发出噪音并且不会停止吞咽运行 - 这很棒。

奇怪的是,我的样式曾经在我运行时编译 gulp ,但现在我需要保存其中一个 .scss 文件才能开始 gulp(同样这很好,但我希望它在运行gulp时编译)。

gulp
[12:07:06] Using gulpfile ~PATH/gulpfile.js
[12:07:06] Starting 'scripts'...
[12:07:06] Starting 'watch'...
[12:07:06] Finished 'watch' after 32 ms
[12:07:07] PATH/js/script-dist.js reloaded.
[12:07:07] Finished 'scripts' after 455 ms
[12:07:07] Starting 'default'...
[12:07:07] Finished 'default' after 15 μs

JS问题

我还试图通知错误以及它们在 JS 中的确切来源(并且还可以防止在发生错误时停止 gulp)。尝试添加gulp-jshint,但它似乎不起作用。它用噪音等标记错误...但没有告诉我错误位于哪个级联文件中。它只是说:

Error in plugin 'gulp-uglify'
Message:
    [_PATH_]/js/script-dist.js: Unexpected token keyword «var», expected punc «{»
Details:
    fileName: [_PATH_]/js/script-dist.js
    lineNumber: 3

这是我的gulpfile.js

var gulp = require('gulp'); 
// --------------------------------------------------------------
// Plugins
// ---------------------------------------------------------------
var concat = require('gulp-concat');
var stripDebug = require('gulp-strip-debug');
var uglify = require('gulp-uglify');
var jshint = require('gulp-jshint');
var include = require('gulp-include');
var sass = require('gulp-sass');
var minifycss = require('gulp-minify-css');
var watch = require('gulp-watch');
var livereload = require('gulp-livereload');
var notify = require('gulp-notify');
var plumber = require('gulp-plumber');
// --------------------------------------------------------------
// JS
// ---------------------------------------------------------------
gulp.task('scripts', function() {
    return gulp.src(['./js/script.js'])
        .pipe(include())
        .pipe(plumber({errorHandler: errorScripts}))
        .pipe(concat('script-dist.js'))
        //.pipe(stripDebug())
        .pipe(jshint())
        .pipe(uglify())
        .pipe(gulp.dest('./js/'))
        .pipe(livereload());
});
// --------------------------------------------------------------
// Styles
// ---------------------------------------------------------------
gulp.task("styles", function(){
    return gulp.src("./ui/scss/styles.scss")
        .pipe(include())
        .pipe(plumber({errorHandler: errorStyles}))
        .pipe(sass({style: "compressed", noCache: true}))
        .pipe(minifycss())
        .pipe(gulp.dest("./ui/css/"))
        .pipe(livereload());
});

// --------------------------------------------------------------
// Errors
// ---------------------------------------------------------------
// Styles
function errorStyles(error){
    notify.onError({title: "SCSS Error", message: "Check your terminal", sound: "Sosumi"})(error); //Error Notification
    console.log(error.toString()); //Prints Error to Console
    this.emit("end"); //End function
};
// Scripts
function errorScripts(error){
    notify.onError({title: "JS Error", message: "Check your terminal", sound: "Sosumi"})(error); //Error Notification
    console.log(error.toString()); //Prints Error to Console
    this.emit("end"); //End function
};
// --------------------------------------------------------------
// Watch & Reload
// ---------------------------------------------------------------
gulp.task('watch', function() {   
    gulp.watch('./ui/scss/*.scss', ['styles']);
    gulp.watch(['./js/*.js', '!./js/script-dist.js'], ['scripts']);
});
gulp.task('default', ['styles', 'watch']);
gulp.task('default', ['scripts', 'watch']);
livereload.listen();

(我的JS不是很好,所以请耐心等待)


更新

我现在已经设法将JS错误探测到终端,但不确定如何报告错误实际上是什么,错误来自哪个文件以及哪一行?显然需要用一些变量替换控制台.log但不确定如何实现?

gulp.task('scripts', function() {
    return gulp.src(['./js/script.js'])
        .pipe(include())
        .pipe(plumber(
            //{errorHandler: errorScripts};
            function() {
                console.log('There was an issue compiling scripts');
                this.emit('end');
            }
        ))
        .pipe(concat('script-dist.js'))
        //.pipe(stripDebug())
        //.pipe(jshint())
        .pipe(uglify())
        .pipe(gulp.dest('./js/'))
        .pipe(livereload());
});

样式未运行答案:

运行default任务时,不会编译样式,因为您这样做:

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

基本上,您在这里所做的是用新任务覆盖default任务。

这可以通过结合两者轻松克服:

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

控制台答案中的错误通知:

您应该在连接

之前执行 jshinting,否则您将在连接文件(script-dist.js)上出现错误。您应该将 gulpfile 更改为:

gulp.task('scripts', function() {
    return gulp.src(['./js/script.js'])
        .pipe(include())
        .pipe(plumber(
            //{errorHandler: errorScripts};
            function() {
                console.log('There was an issue compiling scripts');
                this.emit('end');
            }
        ))
        .pipe(jshint())
        .pipe(concat('script-dist.js'))
        .pipe(stripDebug())
        .pipe(uglify())
        .pipe(gulp.dest('./js/'))
        .pipe(livereload());
});

这应该可以解决问题;-)