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[英]npm ERR! Unexpected end of JSON input while parsing near '…@types/run-sequence":
[英]Gulp (pump, run-sequence) "task completion callback called too many times"
我正在嘗試使用gulp-pump
和gulp-run-sequence
,但是遇到了一個關於task completion callback called too many times
的錯誤。
下面是我的 Gulpfile:
var gulp = require('gulp');
var sass = require('gulp-sass');
var uglify = require('gulp-uglify');
var autoprefixer = require('gulp-autoprefixer');
var cleanCSS = require('gulp-clean-css');
var rename = require('gulp-rename');
var runSequence = require('run-sequence');
var pump = require('pump');
var pumpCb = function (err) {
if (err) {
console.log('Error: ', err.toString());
}
};
// Local
gulp.task('local-sass', function (pumpCb) {
return pump([
gulp.src('public/assets/src/sass/**/*.scss'),
sass(),
autoprefixer(),
gulp.dest('public/assets/dist/css/')
],
pumpCb
);
});
gulp.task('local-js', function (pumpCb) {
return pump([
gulp.src('public/assets/src/js/**/*.js'),
uglify(),
gulp.dest('public/assets/dist/js/')
],
pumpCb
);
});
// Production
gulp.task('prod-sass', function (pumpCb) {
return pump([
gulp.src('public/assets/src/sass/**/*.scss'),
sass({outputStyle:'compact'}),
autoprefixer(),
gulp.dest('public/assets/dist/css/')
],
pumpCb
);
});
gulp.task('prod-css', function (pumpCb) {
return pump([
gulp.src(['./public/assets/dist/css/**/*.css','!./public/assets/dist/css/**/*.min*']),
cleanCSS(),
rename({ suffix: '.min' }),
gulp.dest('public/assets/dist/css/')
],
pumpCb
);
});
gulp.task('prod-js', function (pumpCb) {
return pump([
gulp.src('public/assets/src/js/**/*.js'),
uglify(),
rename({ suffix: '.min' }),
gulp.dest('public/assets/dist/js')
],
pumpCb
);
});
// Calls
gulp.task('default', function () {
gulp.watch('public/assets/src/sass/**/*.scss',['local-sass']);
gulp.watch('public/assets/src/js/**/*.js',['local-js']);
});
gulp.task('prod', function () {
runSequence('prod-sass','prod-css','prod-js');
});
從run-sequence
和pump
的文檔中我看不出我做錯了什么,所以也許這是對 Gulp 的更廣泛的誤解?
我已經閱讀了關於同一錯誤的大部分答案,但我認為它們不適用於這個特定案例,我也看不到如何將他們的發現推斷到我自己的 Gulpfile 中。
任何幫助,將不勝感激!
我在 gulp 任務中也遇到了這個錯誤。 這是因為您有一個return
語句並且您正在調用任務回調pumpCb
。 刪除return
語句。
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