asarfuckery/electronasar/ptb/common/reset-search-paths.js
2019-01-17 19:22:05 +01:00

45 lines
1.7 KiB
JavaScript

'use strict'
const path = require('path')
const Module = require('module')
// Clear Node's global search paths.
Module.globalPaths.length = 0
// Clear current and parent(init.js)'s search paths.
module.paths = []
module.parent.paths = []
// 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) {
const paths = 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
}
}
const BASE_INTERNAL_PATH = path.resolve(__dirname, '..')
const INTERNAL_MODULE_PREFIX = '@electron/internal/'
// Patch Module._resolveFilename to always require the Electron API when
// require('electron') is done.
const electronPath = path.join(__dirname, '..', process.type, 'api', 'exports', 'electron.js')
const originalResolveFilename = Module._resolveFilename
Module._resolveFilename = function (request, parent, isMain) {
if (request === 'electron') {
return electronPath
} else if (request.startsWith(INTERNAL_MODULE_PREFIX) && request.length > INTERNAL_MODULE_PREFIX.length) {
const slicedRequest = request.slice(INTERNAL_MODULE_PREFIX.length)
return path.resolve(BASE_INTERNAL_PATH, `${slicedRequest}${slicedRequest.endsWith('.js') ? '' : '.js'}`)
} else {
return originalResolveFilename(request, parent, isMain)
}
}