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Electron 2.x demo app that demonstrates how to enable ES modules support.
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <base href="app://./" /> | |
| <meta http-equiv="Content-Security-Policy" content="script-src 'self' app:; object-src 'self' app:;"> | |
| <script type="module" src="./module.js"></script> | |
| </head> | |
| <body> | |
| Check the console! | |
| </body> | |
| </html> |
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| let {app, protocol, BrowserWindow} = require("electron"); | |
| let {readFile} = require("fs"); | |
| let {extname} = require("path"); | |
| let {URL} = require("url"); | |
| let createProtocol = (scheme, normalize = true) => { | |
| protocol.registerBufferProtocol(scheme, | |
| (request, respond) => { | |
| let pathName = new URL(request.url).pathname; | |
| pathName = decodeURI(pathName); // Needed in case URL contains spaces | |
| readFile(__dirname + "/" + pathName, (error, data) => { | |
| let extension = extname(pathName).toLowerCase(); | |
| let mimeType = ""; | |
| if (extension === ".js") { | |
| mimeType = "text/javascript"; | |
| } | |
| else if (extension === ".html") { | |
| mimeType = "text/html"; | |
| } | |
| else if (extension === ".css") { | |
| mimeType = "text/css"; | |
| } | |
| else if (extension === ".svg" || extension === ".svgz") { | |
| mimeType = "image/svg+xml"; | |
| } | |
| else if (extension === ".json") { | |
| mimeType = "application/json"; | |
| } | |
| respond({mimeType, data}); | |
| }); | |
| }, | |
| (error) => { | |
| if (error) { | |
| console.error(`Failed to register ${scheme} protocol`, error); | |
| } | |
| } | |
| ); | |
| } | |
| // Standard scheme must be registered before the app is ready | |
| protocol.registerStandardSchemes(["app"], { secure: true }); | |
| app.on("ready", () => { | |
| createProtocol("app"); | |
| let browserWindow = new BrowserWindow({webPreferences: {preload: `${__dirname}/preload.js`}}); | |
| browserWindow.webContents.openDevTools(); | |
| browserWindow.loadFile("index.html"); | |
| }); |
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| console.log("ES module loaded"); |
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| { | |
| "name": "demo", | |
| "version": "1.0.0", | |
| "main": "main.js" | |
| } |
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| let {webFrame} = require("electron"); | |
| process.once("loaded", () => { | |
| // Allow window.fetch() to access app files | |
| webFrame.registerURLSchemeAsPrivileged("app", { | |
| secure: true, | |
| bypassCSP: false, | |
| allowServiceWorkers: true, | |
| supportFetchAPI: true, | |
| corsEnabled: false | |
| }); | |
| }); |
This combined with what it was forked from allowed me to make my app work. Thanks!
Thank you so much for this gist! I'm just trying Electron for the first time and did some WebAssembly experiments with it here: https://github.com/anderejd/electron-wasm-rust-example
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thank you for this! very helpful.