Files
gelectron/GeelectronDemo-darwin-arm64/GeelectronDemo.app/Contents/MacOS/compat/preload-loader.js
T
miles a11d5a1350 Add Gelectron demo application with main functionality and benchmark results
- 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.
2026-07-28 14:24:19 -05:00

157 lines
4.5 KiB
JavaScript

'use strict';
/**
* Gelectron - Preload script injection
*
* This script is injected into the renderer process before the page loads.
* It provides the ipcRenderer and contextBridge APIs to preload scripts.
*/
function getPreloadScript() {
return `
(function() {
'use strict';
// Expose gelectron preload APIs
window.__gelectron = window.__gelectron || {};
// IPC Renderer stub
window.__gelectron.ipcRenderer = {
_requestId: 0,
_pending: {},
invoke: function(channel) {
var args = Array.prototype.slice.call(arguments, 1);
var requestId = 'ipc-' + (++this._requestId) + '-' + Date.now();
var message = {
type: 'invoke',
requestId: requestId,
channel: channel,
args: args
};
if (typeof window.__gelectron_send === 'function') {
window.__gelectron_send(JSON.stringify(message));
}
return new Promise(function(resolve, reject) {
window.__gelectron.ipcRenderer._pending[requestId] = { resolve: resolve, reject: reject };
setTimeout(function() {
if (window.__gelectron.ipcRenderer._pending[requestId]) {
delete window.__gelectron.ipcRenderer._pending[requestId];
reject(new Error('IPC invoke timed out for channel: ' + channel));
}
}, 30000);
});
},
send: function(channel) {
var args = Array.prototype.slice.call(arguments, 1);
var message = {
type: 'send',
channel: channel,
args: args
};
if (typeof window.__gelectron_send === 'function') {
window.__gelectron_send(JSON.stringify(message));
}
},
sendSync: function() { return undefined; },
postMessage: function(channel, message) { this.send(channel, message); },
on: function(channel, listener) {
var wrappedListener = function(event) {
listener(event, Array.prototype.slice.call(arguments, 1));
};
window.addEventListener('message', function(event) {
if (event.data && event.data.__gelectron_channel === channel) {
wrappedListener(event, event.data.args);
}
});
return this;
},
once: function(channel, listener) {
var self = this;
var wrappedListener = function(event) {
listener(event, Array.prototype.slice.call(arguments, 1));
self.removeListener(channel, listener);
};
return this.on(channel, wrappedListener);
},
removeListener: function(channel, listener) {
return this;
},
removeAllListeners: function(channel) {
return this;
},
_resolveInvoke: function(requestId, result) {
var pending = this._pending[requestId];
if (pending) {
delete this._pending[requestId];
pending.resolve(result);
}
},
_rejectInvoke: function(requestId, error) {
var pending = this._pending[requestId];
if (pending) {
delete this._pending[requestId];
pending.reject(new Error(error));
}
}
};
// Context Bridge API
window.__gelectron.contextBridge = {
exposeInMainWorld: function(key, api) {
if (typeof window[key] !== 'undefined') {
console.warn('[gelectron] contextBridge: window.' + key + ' already exists, skipping');
return;
}
Object.defineProperty(window, key, {
value: Object.freeze(JSON.parse(JSON.stringify(api))),
writable: false,
configurable: false,
enumerable: true
});
}
};
// Receive messages from main process
window.addEventListener('message', function(event) {
if (event.data && event.data.__gelectron_channel) {
var channel = event.data.__gelectron_channel;
var args = event.data.args;
// Resolve pending invoke
if (channel === '__gelectron_ipc_resolve') {
var requestId = args[0];
var result = args[1];
window.__gelectron.ipcRenderer._resolveInvoke(requestId, result);
} else if (channel === '__gelectron_ipc_reject') {
var requestId = args[0];
var error = args[1];
window.__gelectron.ipcRenderer._rejectInvoke(requestId, error);
} else {
// Regular IPC message from main process
window.__gelectron.ipcRenderer._receiveMessage(channel, args);
}
}
});
// Expose as global for preload scripts
window.electron = window.electron || {};
window.electron.ipcRenderer = window.__gelectron.ipcRenderer;
window.electron.contextBridge = window.__gelectron.contextBridge;
})();
`;
}
module.exports = { getPreloadScript };