electron/lib/common/reset-search-paths.ts

64 lines
2.1 KiB
TypeScript

import * as path from 'path';
const Module = require('module');
// Clear Node's global search paths.
Module.globalPaths.length = 0;
// We do not want to allow use of the VM module in the renderer process as
// it conflicts with Blink's V8::Context internal logic.
if (process.type === 'renderer') {
const _load = Module._load;
Module._load = function (request: string) {
if (request === 'vm') {
console.warn('The vm module of Node.js is deprecated in the renderer process and will be removed.');
}
return _load.apply(this, arguments);
};
}
// Prevent Node from adding paths outside this app to search paths.
const resourcesPathWithTrailingSlash = process.resourcesPath + path.sep;
const originalNodeModulePaths = Module._nodeModulePaths;
Module._nodeModulePaths = function (from: string) {
const paths: string[] = originalNodeModulePaths(from);
const fromPath = path.resolve(from) + path.sep;
// If "from" is outside the app then we do nothing.
if (fromPath.startsWith(resourcesPathWithTrailingSlash)) {
return paths.filter(function (candidate) {
return candidate.startsWith(resourcesPathWithTrailingSlash);
});
} else {
return paths;
}
};
// Make a fake Electron module that we will insert into the module cache
const makeElectronModule = (name: string) => {
const electronModule = new Module('electron', null);
electronModule.id = 'electron';
electronModule.loaded = true;
electronModule.filename = name;
Object.defineProperty(electronModule, 'exports', {
get: () => require('electron')
});
Module._cache[name] = electronModule;
};
makeElectronModule('electron');
makeElectronModule('electron/common');
if (process.type === 'browser') {
makeElectronModule('electron/main');
}
if (process.type === 'renderer') {
makeElectronModule('electron/renderer');
}
const originalResolveFilename = Module._resolveFilename;
Module._resolveFilename = function (request: string, parent: NodeModule, isMain: boolean, options?: { paths: Array<string>}) {
if (request === 'electron' || request.startsWith('electron/')) {
return 'electron';
} else {
return originalResolveFilename(request, parent, isMain, options);
}
};