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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 | |
| }); | |
| }); |
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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This combined with what it was forked from allowed me to make my app work. Thanks!