react-editor-js报错：Cannot call a class as a function 问题排查求助

Hey Jake, sorry to hear you've been stuck on this for 2 hours—since you can't reproduce the problem in vanilla React sandboxes, the issue is almost certainly tied to your modified Electron + ejected CRA environment. Let's break down the most likely culprits and how to debug them:

1. Webpack Target & Module Resolution Conflicts #

Since you changed the webpack target to electronRenderer, the bundler's module handling differs from the default browser target. Here's what to check:

• Node.js Module Fallbacks: Some Editor.js plugins might rely on Node.js core modules (like path or fs) that aren't resolved correctly in the electronRenderer target. Open your ejected webpack config (usually config/webpack.config.js) and verify the resolve.fallback section includes fallbacks for any missing modules. For example:

  resolve: {
    fallback: {
      "path": require.resolve("path-browserify"),
      "fs": false // Or use a polyfill if needed
    }
  }
  

• Transpilation of Editor.js Plugins: Ensure your babel-loader is processing Editor.js plugin files. Add the plugin package names to the include array in your webpack rules for JavaScript/JSX files:

  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        include: [
          path.resolve(__dirname, "src"),
          /react-editor-js/,
          /@editorjs\/.*/ // Include all official Editor.js plugins
        ],
        loader: "babel-loader"
      }
    ]
  }
  

2. Dependency Version Mismatches #

Even if you installed all plugins, version conflicts between react-editor-js, @editorjs/editorjs, and your Electron dependencies could break things:

• Verify compatibility between react-editor-js and @editorjs/editorjs: Check the react-editor-js package docs to confirm it supports your installed version of @editorjs/editorjs (e.g., v2.x of react-editor-js typically requires v2.26+ of Editor.js).
• Check for duplicate dependencies: Run yarn why @editorjs/editorjs to see if multiple versions of the core Editor.js library are being installed. If so, use resolutions in your package.json to force a single version:

  "resolutions": {
    "@editorjs/editorjs": "2.28.2" // Use your desired version
  }
  

3. Electron Context Isolation & Node Integration #

Electron's security features might block Editor.js from accessing necessary global objects:

• Temporarily disable context isolation (for debugging only—don't use in production) in your main process BrowserWindow config to see if that fixes the issue:

  const mainWindow = new BrowserWindow({
    webPreferences: {
      contextIsolation: false,
      nodeIntegration: true
    }
  });
  

• If this resolves the problem, you'll need to use a preload script to safely expose required APIs to the renderer process instead of disabling context isolation long-term.

4. Data Parsing & Tool Configuration Issues #

Double-check your data and tool setup, as environment differences might expose edge cases not present in sandboxes:

• Validate your parsed data: Add console.log(JSON.parse(text)) before passing it to <EditorJS /> to ensure the data structure matches what Editor.js expects (e.g., each block has a valid type matching a registered tool, and no missing required fields).
• Simplify your toolset: Test with only a basic tool like Paragraph first to rule out a problematic plugin. If it works, re-add plugins one by one to identify the culprit.

5. Ejected CRA Optimization Settings #

Ejected CRA's default optimizations might be tree-shaking Editor.js plugins incorrectly:

• Disable tree-shaking temporarily in your webpack config to test:

  optimization: {
    usedExports: false
  }
  

• If that fixes it, mark Editor.js plugins as having side effects in your package.json to prevent them from being eliminated:

  "sideEffects": [
    "node_modules/@editorjs/**/*.js",
    "node_modules/react-editor-js/**/*.js"
  ]
  

Quick Debugging Tips #

• Open Electron's developer tools (Ctrl+Shift+I) and check the Console tab for errors like missing modules, undefined tools, or global access issues—these will give you direct clues.
• Log your EditorJSTools object to confirm all plugins are properly imported and initialized (no undefined entries).

内容的提问来源于stack exchange，提问作者Jake