Configuration 大口喝咖啡-信号异步完成警告 系统配置: 项目配置
Configuration 大口喝咖啡-信号异步完成警告 系统配置: 项目配置,configuration,gulp,coffeescript,Configuration,Gulp,Coffeescript,package.json配置 { "name": "gulp-demo", "version": "1.0.0", "description": "", "main": "index.js", "scripts": { "test": "echo \"Error: no test specified\" && exit 1" }, "author": "", "license": "ISC", "devDependencies": {
package.json
配置
{
"name": "gulp-demo",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "",
"license": "ISC",
"devDependencies": {
"coffeescript": "^2.5.1",
"gulp": "^4.0.2",
"gulp-clean": "^0.4.0",
"gulp-coffee": "^3.0.3",
"gulp-connect": "^5.7.0",
"gulp-jade": "^1.1.0",
"gulp-requirejs": "^1.3.0",
"gulp-stylus": "^2.7.0",
"gulp-uglify": "^3.0.2"
}
}
gulpfile.coffee
配置:
gulp = require 'gulp'
gulp.task 'default', ->
console.log 'Hello world!'
没有别的了。
要执行“吞咽”任务,请执行以下操作:
/gulp-demo$ gulp
[03:09:58] Requiring external module coffeescript/register
[03:09:58] Using gulpfile ~/Development/projects/web/my/gulp-demo/gulpfile.coffee
[03:09:58] Starting 'default'...
Hello world!
[03:09:58] The following tasks did not complete: default
[03:09:58] Did you forget to signal async completion?
我知道syntax是不正确的,验证coffeescript
文档,它的语法似乎是正确的
我是新来的gulp
和coffeescript
,但我相信由于信息的缘故,这里遗漏了一些东西
问题是:
如何解决这个问题
[03:09:58] The following tasks did not complete: default
[03:09:58] Did you forget to signal async completion?
附笔。
关于信息
[03:09:58] Requiring external module coffeescript/register
我尝试以参数开始(遵循一些建议),但结果相同:
$ gulp --require coffeescript/register
P.S.2。
如果我尝试从gulpfile.js
文件中执行gulp
,则一切都是正确的:
function defaultTask(cb) {
console.log('Hello gulp!');
cb();
}
exports.default = defaultTask
结果是:
gulp-demo$ gulp
[03:44:40] Using gulpfile ~/Development/projects/web/my/gulp-demo/gulpfile.js
[03:44:40] Starting 'default'...
Hello gulp!
[03:44:40] Finished 'default' after 1.3 ms
必须是async
函数,或者在完成时调用回调函数
gulp.task 'default', (done) ->
console.log 'Hello world!'
done()
或者,如果您有任何需要等待的异步函数,在coffeescript中,如果函数包含await
,它也将自动变为async
。然后大口吞咽,等待问题解决。例如:
gulp.task 'default', () ->
console.log 'Hello world!'
await new Promise (resolve, reject) =>
setTimeout
resolve()
, 1000
gulp.task 'default', () ->
console.log 'Hello world!'
await new Promise (resolve, reject) =>
setTimeout
resolve()
, 1000