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我有以下gulp任務返回一個流。它在gulp 3.9.1中正常工作,但轉換爲gulp 4.0,我得到:儘管返回流Gulp 4.0信號異步完成錯誤
您忘記了信號異步完成?
const gulp = require('gulp');
const gulpif = require('gulp-if');
const plumber = require('gulp-plumber');
const rename = require('gulp-rename');
const buffer = require('vinyl-buffer');
const es = require('event-stream');
const browserify = require('browserify');
const browserifyInc = require('browserify-incremental');
const babelify = require('babelify');
const browserSync = require('browser-sync').create();
// Incrementally building the js
gulp.task('build-js-inc',() =>
es.merge.apply(null, paths.entry.scripts.map(script => {
const b = browserify(Object.assign({}, browserifyInc.args,
{
entries: script,
extensions: ['.jsx'],
debug: true
}
));
browserifyInc(b, { cacheFile: './browserify-cache.json' });
return b.transform(babelify)
.bundle()
.on('error', handleErrors)
.pipe(source(`./${script.split('/')[script.split('/').length - 1]}`))
.pipe(buffer())
.pipe(plumber())
.pipe(rename(path => {
path.extname = '.bundle.js';
}))
.pipe(gulp.dest('public/js'))
.pipe(gulpif('*sw.bundle.js', gulp.dest('public')))
.pipe(browserSync.reload({ stream: true }));
}))
);
我已經嘗試添加done()
我的上游的任務,但它仍然錯誤,因爲我想在這裏起源,並通過propogates依靠這一個整理我的後續任務。