electron/atom/renderer/lib/init.js
2016-01-12 16:24:06 -08:00

154 lines
4.2 KiB
JavaScript

var Module, arg, error, error1, events, globalPaths, i, len, nodeIntegration, path, pathname, preloadScript, ref, url, v8Util;
events = require('events');
path = require('path');
url = require('url');
Module = require('module');
/*
We modified the original process.argv to let node.js load the
atom-renderer.js, we need to restore it here.
*/
process.argv.splice(1, 1);
/* Clear search paths. */
require(path.resolve(__dirname, '..', '..', 'common', 'lib', 'reset-search-paths'));
/* Import common settings. */
require(path.resolve(__dirname, '..', '..', 'common', 'lib', 'init'));
globalPaths = Module.globalPaths;
if (!process.env.ELECTRON_HIDE_INTERNAL_MODULES) {
globalPaths.push(path.resolve(__dirname, '..', 'api', 'lib'));
}
/* Expose public APIs. */
globalPaths.push(path.resolve(__dirname, '..', 'api', 'lib', 'exports'));
/* The global variable will be used by ipc for event dispatching */
v8Util = process.atomBinding('v8_util');
v8Util.setHiddenValue(global, 'ipc', new events.EventEmitter);
/* Process command line arguments. */
nodeIntegration = 'false';
ref = process.argv;
for (i = 0, len = ref.length; i < len; i++) {
arg = ref[i];
if (arg.indexOf('--guest-instance-id=') === 0) {
/* This is a guest web view. */
process.guestInstanceId = parseInt(arg.substr(arg.indexOf('=') + 1));
} else if (arg.indexOf('--opener-id=') === 0) {
/* This is a guest BrowserWindow. */
process.openerId = parseInt(arg.substr(arg.indexOf('=') + 1));
} else if (arg.indexOf('--node-integration=') === 0) {
nodeIntegration = arg.substr(arg.indexOf('=') + 1);
} else if (arg.indexOf('--preload=') === 0) {
preloadScript = arg.substr(arg.indexOf('=') + 1);
}
}
if (location.protocol === 'chrome-devtools:') {
/* Override some inspector APIs. */
require('./inspector');
nodeIntegration = 'true';
} else if (location.protocol === 'chrome-extension:') {
/* Add implementations of chrome API. */
require('./chrome-api');
nodeIntegration = 'true';
} else {
/* Override default web functions. */
require('./override');
/* Load webview tag implementation. */
if (process.guestInstanceId == null) {
require('./web-view/web-view');
require('./web-view/web-view-attributes');
}
}
if (nodeIntegration === 'true' || nodeIntegration === 'all' || nodeIntegration === 'except-iframe' || nodeIntegration === 'manual-enable-iframe') {
/* Export node bindings to global. */
global.require = require;
global.module = module;
/* Set the __filename to the path of html file if it is file: protocol. */
if (window.location.protocol === 'file:') {
pathname = process.platform === 'win32' && window.location.pathname[0] === '/' ? window.location.pathname.substr(1) : window.location.pathname;
global.__filename = path.normalize(decodeURIComponent(pathname));
global.__dirname = path.dirname(global.__filename);
/* Set module's filename so relative require can work as expected. */
module.filename = global.__filename;
/* Also search for module under the html file. */
module.paths = module.paths.concat(Module._nodeModulePaths(global.__dirname));
} else {
global.__filename = __filename;
global.__dirname = __dirname;
}
/* Redirect window.onerror to uncaughtException. */
window.onerror = function(message, filename, lineno, colno, error) {
if (global.process.listeners('uncaughtException').length > 0) {
global.process.emit('uncaughtException', error);
return true;
} else {
return false;
}
};
/* Emit the 'exit' event when page is unloading. */
window.addEventListener('unload', function() {
return process.emit('exit');
});
} else {
/* Delete Node's symbols after the Environment has been loaded. */
process.once('loaded', function() {
delete global.process;
delete global.setImmediate;
delete global.clearImmediate;
return delete global.global;
});
}
/* Load the script specfied by the "preload" attribute. */
if (preloadScript) {
try {
require(preloadScript);
} catch (error1) {
error = error1;
if (error.code === 'MODULE_NOT_FOUND') {
console.error("Unable to load preload script " + preloadScript);
} else {
console.error(error);
console.error(error.stack);
}
}
}