Uncaught referenceerror require is not defined electron js

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Uncaught referenceerror require is not defined electron js

I'm a starter in electron, but I got "Uncaught ReferenceError: require is not defined" when I start the program. My code is below:main.jsconst { app, BrowserWindow, Menu, ipcMain, screen } = require('electron'); const url = require('url'); const path = require('path'); function createWindow(file, params = {}) { const win = new BrowserWindow(params); win.loadURL(url.format({ pathname: path.join(__dirname, file), protocol: "file", slashes: true })); return win; } ipcMain.on("addRecipe", (e) => { createWindow("", { height: 640, width: 360, webPreferences: { nodeIntegration: true } }); }); app.on("ready", () => { const { width, height } = screen.getPrimaryDisplay().workAreaSize; let main = createWindow("index.html", { width: width, height: height, webPreferences: { nodeIntegration: true } }); Menu.setApplicationMenu(Menu.buildFromTemplate([{ label: "Dev Tools", accelerator: "Ctrl+Shift+I", click(i, fw) { fw.toggleDevTools(); } }])); app.on('activate', function() { if (BrowserWindow.getAllWindows().length === 0) { createWindow(); } }); }); app.on('window-all-closed', function() { if (process.platform !== 'darwin') { app.quit() } }); If you notice, I have nodeIntegration: true. Why is this still not working? All the answers I got on the web were "You forgot nodeIntegration!", which doesn't really help. Source link So, I am writing an application with the node/express + jade combo. I have client.js, which is loaded on the client. In that file I have code that calls functions from other JavaScript files. My attempt was to use var m = require('./messages'); in order to load the contents of messages.js (just like I do on the server side) and later on call functions from that file. However, require is not defined on the client side, and it throws an error of the form Uncaught ReferenceError: require is not defined. These other JS files are also loaded on runtime at the client because I place the links at the header of the webpage. So the client knows all the functions that are exported from these other files. How do I call these functions from these other JS files (such as messages.js) in the main client.js file that opens the socket to the server? const path = require("path"); //const HtmlWebpackPlugin = require("html-webpack-plugin"); module.exports = { resolve: { extensions: [".tsx", ".ts", ".js"], mainFields: ["main", "module", "browser"], }, entry: "./src/app.tsx", target: "electron-renderer", //"web", devtool: "inline-source-map", module: { rules: [ { test: /\.(js|ts|tsx)$/, exclude: /node_modules/, use: { loader: "babel-loader", }, }, ], }, //devServer: { //contentBase: path.join(__dirname, "../dist/renderer"), //historyApiFallback: true, //compress: true, //hot: true, //port: 4000, //publicPath: "/", //}, output: { path: path.resolve(__dirname, "dist"), filename: "js/[name].js", }, //plugins: [new HtmlWebpackPlugin()], }; Ask questionsUncaught ReferenceError: require is not defined When I enable node integration // vue.config.js module.exports = { pluginOptions: { electronBuilder: { nodeIntegration: true, } } } I get an error in DevTools console Uncaught ReferenceError: require is not defined at eval (external "events"?7a7e:1) at Object.events (app.js:1408) at __webpack_require__ (app.js:849) at fn (app.js:151) at eval (emitter.js?a6bd:1) at Object../node_modules/webpack/hot/emitter.js (chunk-vendors.js:3500) at __webpack_require__ (app.js:849) at fn (app.js:151) at eval (dev-server.js?6895:50) at Object../node_modules/webpack/hot/dev-server.js (chunk-vendors.js:3489) I am new to electron and was not able to figure out why this error showing up in console. Please help! nklayman/vue-cli-plugin-electron-builder Answer questions nklayman Can you post your src/background.js? I think you may be missing the required nodeIntegration config there. useful! Augular build the project through ng serve -o start the project, prompt Compiled successfully but the home page loading does not go in check the console and see the prompt Uncaught ReferenceError: require is not defined the following figure google baidu once, basic a thousand times all find is to say nodeIntegration to true, see what people say the reason is because the rendering process is introduced using require node module, an error will be reported Uncaught ReferenceError: require is not defined the reason should be that the window that loaded the rendering process did not integrate with the node environment but the problem is that i set it to true, so it doesn't work some relevant codes are attached // main.js part of the code mainWindow = new BrowserWindow({ width: 800, height: 600, webPreferences: { preload: path.join(__dirname, 'preload.js'), nodeIntegration: true } }) // the following is our preload. js the code of // All of the Node.js APIs are available in the preload process. // It has the same sandbox as a Chrome extension. window.addEventListener('DOMContentLoaded', () => { const replaceText = (selector, text) => { const element = document.getElementById(selector) if (element) element.innerText = text } for (const type of ['chrome', 'node', 'electron']) { replaceText(`${type}-version`, process.versions[type]) } }) system ProductName: Mac OS XProductVersion: 10.14.6BuildVersion: 18G87 tool version Angular CLI: 8.3.20Node: 10.16.3OS: darwin x64Angular: 8.2.14electron: 6.1.5 Inicialmente hab?a estado usando electron stable (4.x.x), y pude usar require tanto en mi navegador como en los procesos de representaci?n. Actualic? a electron beta (5.0.0) porque necesitaba una versi?n m?s nueva del nodo y encontr? este mensaje de error en mi proceso de representaci?n, Uncaught ReferenceError: require is not defined.Buscando en Google y mirando a trav?s de los documentos electr?nicos, encontr? comentarios que dec?an que el error podr?a ser causado al establecer webPreferences.nodeIntegration En falso al inicializar BrowserWindow; por ejemplo: new BrowserWindow({width, height, webPreferences: {nodeIntegration: false}});. Pero no estaba haciendo esto, as? que pens? que otra cosa deb?a ser el problema y continu? buscando una soluci?n. How to install require and CryptoJS module in nodered?? When starting node-red i am not getting any errors. While launching i am getting Uncaught ReferenceError: require is not defined in the console. I tried to install require and CryptoJS by the following command. npm install require npm install crypto-js and it is added in the package.json of nodered . GowriAradhya: I tried to install require and CryptoJS by the following command. short answer - these are not node-red nodes. longer answer - what is it you are trying to achieve? there may already be proper node-red nodes ready for use. If you are trying to use require inside a Function node, you can't. The docs explain how to add additional modules to the function node: For Nodered user Login (Custom user authentication) . we are trying to encrypt the password from client side before sending to server. So we are trying to install require module. Hmmm I guessed you might be on the wrong road. So this error... GowriAradhya: Uncaught ReferenceError: require is not defined in the console. ... is client side right? Installing node-modules in node-red does not automatically present them to the client. Unfortunately, I have never implemented custom user auth for node-red - hopefully someone else can chime in. In this particular file node-red/packages/node_modules/@node-red/editor-client/src/js/user.js before sending ajax post call $.ajax({ url: "auth/token", type: "POST", data: body }) We are trying to encrypt the password using Crpyto.js library. Again, I am no expert here, but I believe (typically) most folk just rely on HTTPS to encrypt the data from client to server (and/or use something like nginx) Are you using https? PS, as you are modifying the "backend" (core of node-red), is it your intension to maintain your own fork & keep it up to date with all the future improvements made by the node-red devs? or are you intending on improving the node-red core and issuing a Pull Req to node-red so that your modifications are built in? If so, you would need to discuss with maintainers first. PS2: You seem to be veering off from the solution that Nick pointed you towards back in July. Is there an issue with the documentation he provided? Just to get this straight - you are trying to authenticate your users before they are allowed access to the Node-RED Editor? Or is it access to a web page served by Node-RED? In either case, trying to encrypt in the browser is going to be the wrong approach. Encryption is generally reversible and doing it in the client creates all manner of security vulnerabilities. You can cryptographically hash values in the client because that can't be reversed and it can be useful to hash a password before sending it to the server. However, you still need to use TLS to give wire-level encryption from client to server. As Colin says, that can either be done using Node-RED itself or (probably more scalable) using a reverse proxy to terminate the TLS. Using something like NGINX, IIS, Apache or whatever also lets you add user authentication (and even authorisation) using the proxy. This is generally easier to manage securely than trying to squeeze everything into Node-RED (though it can do it as well if needed). ALWAYS use standards-based authentication and authorisation methods - NEVER roll your own as you seem to be trying to do. All of the above is friendly advice, not professional guidance. Above all else, if you need security and you aren't sure how to do it - get a professional - at least get your work tested by professionals. Security is hard to get right but very easy to mess up. 2 Likes TotallyInformation: As Colin says Happy as I am to bask in Steve's glory, my conscience forces me to point out that it was himself not me. 3 Likes Steve-Mcl: PS2: You seem to be veering off from the solution that Nick pointed you towards back in July . Is there an issue with the documentation he provided? Thanks for that link to the @knolleary's link. Over the last week, I was working on a custom authentication system to protect my dashboard and mp4 video routes and was ready to move to the step of using my middleware to protect the admin section. I am not very good at reading the docs, apparently. 1 Like It seems that httpAdminMiddleware can only receive a single function and does not support receiving an array of functions, similar to the limitation of node-red-dashboard. For the meanwhile, I will rewrite my middleware to be a single function to be compatible. This topic was automatically closed 60 days after the last reply. New replies are no longer allowed.

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