gulp4.series, gulp4.parallel, gulp4.task error handling gulp-task.
sh
npm install --save-dev gulp-task-error-handler
`sample code
$3
javascript
const gulp = require('gulp');
const handler = require('gulp-task-error-handler');gulp.task('hello', (cb) => {
console.log('hello');
return cb();
});
gulp.task('world', (cb) => {
console.log('world');
return cb();
});
gulp.task('gulp', (cb) => {
console.log('gulp');
throw new Error('gulp error');
});
// wrapping gulp task
// if error will be thrown, error handling code is called.
gulp.task('run', handler(gulp.series('hello', 'world', 'gulp'),
(err) => {
console.log('catch error');
})
);
`$3
wrapping with 'gulp-task-error-handler'.javascript
gulp.task('run', handler(gulp.parallel('hello', 'world', 'gulp'),
(err) => {
console.log('catch error');
})
);
`javascript
gulp.task('run', handler(gulp.task('gulp'),
(err) => {
console.log('catch error');
})
);
`replace gulp3 "run-sequence" with "gulp-task-error-handler".
- gulp3 run-sequence
javascript
const gulp = require('gulp');
const runSequence = require('run-sequence');gulp.task('package', (cb) => {
runSequence('tsc-debug', '_rm-package', '_package-debug', '_unpacked', '_notify', '_kill', (err) => {
if (err) {
gulp.start('_notifyError');
}
cb(err);
});
});
`- replace with "gulp-task-error-handler" sample.
javascript
const gulp = require('gulp');
const handler = require('gulp-task-error-handler');gulp.task('package',
handler(gulp.series('tsc-debug', '_rm-package', '_package-debug', '_unpacked', '_notify', '_kill'), (err) => {
gulp.task('_notifyError')();
})
);
``