问题描述
我正在使用 webpacker 在 Rails 6.1.3 应用程序中设置 Turbo
。除了一个问题外,它似乎正在正常运行。我无法在我的 js 文件中引用它:
// app/javascript/javascripts/shared.js
Turbo.visit('/');
在我的控制台中引发错误:
Uncaught ReferenceError: Turbo is not defined
at HTMLDocument.<anonymous> (shared.js:4)
at HTMLDocument.dispatch (jquery.js:4670)
at HTMLDocument.elemData.handle (jquery.js:4490)
at dispatch (turbo.es2017-esm.js:387)
at Session.notifyApplicationAfterPageLoad (turbo.es2017-esm.js:4822)
at Session.pageBecameInteractive (turbo.es2017-esm.js:4718)
at PageObserver.pageIsInteractive (turbo.es2017-esm.js:3880)
at HTMLDocument.PageObserver.interpretReadyState (turbo.es2017-esm.js:3840)
有什么想法吗?
这是我的配置:
// app/javascript/packs/application.js
import Rails from "@rails/ujs"
import Turbo from "@hotwired/turbo"
import "jquery"
import "bootstrap"
import "../stylesheets/application"
window.bootstrap = require('bootstrap/dist/js/bootstrap.bundle.js')
Rails.start()
// config/webpack/environment.js
const { environment } = require('@rails/webpacker')
const webpack = require('webpack')
environment.plugins.prepend(
'Provide',new webpack.ProvidePlugin({
$: 'jquery',jQuery: 'jquery',Rails: '@rails/ujs',Popper: ['popper.js','default']
})
)
module.exports = environment
解决方法
// app/javascript/javascripts/shared.js
import Turbo from "@hotwired/turbo"
Turbo.visit('/');
import
不会创建在您的文件之间共享的全局变量。相反,它将模块导入到当前作用域中。每个文件都有自己的作用域。
见:
,似乎这是使它起作用的设置:
import Rails from "@rails/ujs"
import { Turbo } from "@hotwired/turbo-rails"
window.Turbo = Turbo
Rails.start()
添加 window.Turbo
使其在 application.js
范围之外可用。