我按照https://github.com/hotwired/stimulus-rails/上的说明执行

Add the stimulus-rails gem to your Gemfile: gem 'stimulus-rails'
Run ./bin/bundle install.
Run ./bin/rails stimulus:install

字符串
下面是app/javascripts/controller/application.js

import { Application } from "@hotwired/stimulus"

const application = Application.start()

// Configure Stimulus development experience
application.debug = true
window.Stimulus   = application

Stimulus.handleError = (error, message, detail) => {
  console.warn(message, detail)
  ErrorTrackingSystem.captureException(error)
}

export { application }
console.log('helllo world');

型
下面是app/javascripts/controller/hello_controller.js

import { Controller } from "@hotwired/stimulus"

// Connects with data-controller="hello"
export default class extends Controller {
  static targets = [ "name", "output" ]

  connect() {
    console.log('connected');
  }

  greet() {
    console.log('hello world!!');
    this.outputTarget.textContent = `Hello, ${this.nameTarget.value}!`
  }
}

型
下面是app/javascripts/controller/index.js

// This file is auto-generated by ./bin/rails stimulus:manifest:update
// Run that command whenever you add a new controller or create them with
// ./bin/rails generate stimulus controllerName

import { application } from "./application"

import HelloController from "./hello_controller"
application.register("hello", HelloController)
console.log('hellow');

型
以下是其中一个索引页中的相关视图代码

<div data-controller="hello">
  <input data-hello-target="name" type="text">

  <button data-action="click->hello#greet">Greet</button>

  <span data-hello-target="output"></span>

</div>

型
添加文本并单击问候按钮后，没有任何React，浏览器控制台中没有任何内容，没有错误或警告。
任何帮助都会很好，谢谢。