mirror of
https://github.com/mileswolfallen2/gelectron.git
synced 2026-09-08 12:43:16 +00:00
- Created main.js for the Gelectron demo application, implementing various app tests and lifecycle management. - Added package.json to define application metadata. - Included necessary code signature files for macOS compatibility. - Generated benchmark results for the application startup and memory usage.
157 lines
4.5 KiB
JavaScript
157 lines
4.5 KiB
JavaScript
'use strict';
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/**
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* Gelectron - Preload script injection
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*
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* This script is injected into the renderer process before the page loads.
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* It provides the ipcRenderer and contextBridge APIs to preload scripts.
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*/
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function getPreloadScript() {
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return `
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(function() {
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'use strict';
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// Expose gelectron preload APIs
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window.__gelectron = window.__gelectron || {};
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// IPC Renderer stub
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window.__gelectron.ipcRenderer = {
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_requestId: 0,
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_pending: {},
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invoke: function(channel) {
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var args = Array.prototype.slice.call(arguments, 1);
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var requestId = 'ipc-' + (++this._requestId) + '-' + Date.now();
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var message = {
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type: 'invoke',
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requestId: requestId,
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channel: channel,
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args: args
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};
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if (typeof window.__gelectron_send === 'function') {
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window.__gelectron_send(JSON.stringify(message));
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}
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return new Promise(function(resolve, reject) {
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window.__gelectron.ipcRenderer._pending[requestId] = { resolve: resolve, reject: reject };
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setTimeout(function() {
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if (window.__gelectron.ipcRenderer._pending[requestId]) {
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delete window.__gelectron.ipcRenderer._pending[requestId];
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reject(new Error('IPC invoke timed out for channel: ' + channel));
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}
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}, 30000);
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});
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},
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send: function(channel) {
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var args = Array.prototype.slice.call(arguments, 1);
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var message = {
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type: 'send',
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channel: channel,
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args: args
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};
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if (typeof window.__gelectron_send === 'function') {
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window.__gelectron_send(JSON.stringify(message));
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}
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},
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sendSync: function() { return undefined; },
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postMessage: function(channel, message) { this.send(channel, message); },
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on: function(channel, listener) {
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var wrappedListener = function(event) {
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listener(event, Array.prototype.slice.call(arguments, 1));
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};
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window.addEventListener('message', function(event) {
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if (event.data && event.data.__gelectron_channel === channel) {
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wrappedListener(event, event.data.args);
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}
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});
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return this;
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},
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once: function(channel, listener) {
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var self = this;
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var wrappedListener = function(event) {
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listener(event, Array.prototype.slice.call(arguments, 1));
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self.removeListener(channel, listener);
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};
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return this.on(channel, wrappedListener);
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},
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removeListener: function(channel, listener) {
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return this;
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},
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removeAllListeners: function(channel) {
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return this;
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},
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_resolveInvoke: function(requestId, result) {
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var pending = this._pending[requestId];
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if (pending) {
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delete this._pending[requestId];
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pending.resolve(result);
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}
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},
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_rejectInvoke: function(requestId, error) {
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var pending = this._pending[requestId];
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if (pending) {
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delete this._pending[requestId];
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pending.reject(new Error(error));
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}
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}
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};
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// Context Bridge API
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window.__gelectron.contextBridge = {
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exposeInMainWorld: function(key, api) {
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if (typeof window[key] !== 'undefined') {
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console.warn('[gelectron] contextBridge: window.' + key + ' already exists, skipping');
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return;
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}
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Object.defineProperty(window, key, {
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value: Object.freeze(JSON.parse(JSON.stringify(api))),
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writable: false,
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configurable: false,
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enumerable: true
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});
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}
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};
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// Receive messages from main process
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window.addEventListener('message', function(event) {
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if (event.data && event.data.__gelectron_channel) {
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var channel = event.data.__gelectron_channel;
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var args = event.data.args;
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// Resolve pending invoke
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if (channel === '__gelectron_ipc_resolve') {
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var requestId = args[0];
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var result = args[1];
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window.__gelectron.ipcRenderer._resolveInvoke(requestId, result);
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} else if (channel === '__gelectron_ipc_reject') {
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var requestId = args[0];
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var error = args[1];
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window.__gelectron.ipcRenderer._rejectInvoke(requestId, error);
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} else {
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// Regular IPC message from main process
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window.__gelectron.ipcRenderer._receiveMessage(channel, args);
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}
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}
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});
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// Expose as global for preload scripts
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window.electron = window.electron || {};
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window.electron.ipcRenderer = window.__gelectron.ipcRenderer;
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window.electron.contextBridge = window.__gelectron.contextBridge;
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})();
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`;
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}
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module.exports = { getPreloadScript };
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