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gulp - gulp 任务完成时显示成功消息

转载 作者:行者123 更新时间:2023-12-01 08:20:22 28 4
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我创建了一个简单的 Gulp 任务来检查我的 ES6 文件中的更改。我想转换它们并在出现问题时显示错误消息。

正在显示错误屏幕。但是,当一切都成功时,我想显示不同的信息。 我试过 .on('end')方法,但是当有一些错误时也会调用这个方法。

我当前的 Gulpfile 如下所示:

const gulp = require('gulp');
const babel = require('gulp-babel');
const uglify = require('gulp-uglify');
const pump = require('pump');
const imagemin = require('gulp-imagemin');
const sass = require('gulp-sass');
const DISTRIBUTION_PATH = 'public/theme/js/app';
const plumber = require('gulp-plumber');
const gutil = require('gulp-util');
const clear = require('clear');

gulp.task('transpile', () =>
gulp.watch('theme/js/**/*.js', () => {
return gulp.src('theme/js/**/*.js')
.pipe(plumber())
.pipe(babel({
presets: ['es2015'],
plugins: [
'transform-object-rest-spread'
]
}))
.on('error', err => {
clear();
gutil.log(gutil.colors.red('[Compilation Error]'));
gutil.log(err.fileName + ( err.loc ? `( ${err.loc.line}, ${err.loc.column} ): ` : ': '));
gutil.log(gutil.colors.red('error Babel: ' + err.message + '\n'));
gutil.log(err.codeFrame);
})
.pipe(gulp.dest(DISTRIBUTION_PATH));
})
);

任何想法如何实现这一目标?

最佳答案

答案可能有点晚,但对于像我这样的 Google 员工,我已经创建了一个解决方案。我添加了一个 bool 值 isSuccess 来确定转译是否成功。如果出现错误,isSuccess 将变为 false,并且消息不会“结束”显示。

const gulp = require('gulp');
const babel = require('gulp-babel');
const uglify = require('gulp-uglify');
const pump = require('pump');
const imagemin = require('gulp-imagemin');
const sass = require('gulp-sass');
const DISTRIBUTION_PATH = 'public/theme/js/app';
const plumber = require('gulp-plumber');
const gutil = require('gulp-util');
const clear = require('clear');

gulp.task('transpile', () =>
gulp.watch('theme/js/**/*.js', () => {
let isSuccess = true;
return gulp.src('theme/js/**/*.js')
.pipe(plumber())
.pipe(babel({
presets: ['es2015'],
plugins: [
'transform-object-rest-spread'
]
}))
.on('error', err => {
isSuccess = false;
clear();
gutil.log(gutil.colors.red('[Compilation Error]'));
gutil.log(err.fileName + ( err.loc ? `( ${err.loc.line}, ${err.loc.column} ): ` : ': '));
gutil.log(gutil.colors.red('error Babel: ' + err.message + '\n'));
gutil.log(err.codeFrame);
})
.pipe(gulp.dest(DISTRIBUTION_PATH))
.on('end', ()=> {
if( isSuccess )
console.log('Yay success!');
});
})
);

关于gulp - gulp 任务完成时显示成功消息,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/42274348/

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