electron/lib/common/reset-search-paths.js
2016-03-30 17:00:31 -07:00

36 lines
1 KiB
JavaScript

const path = require('path')
const Module = require('module')
// Clear Node's global search paths.
Module.globalPaths.length = 0
// Clear current and parent(init.coffee)'s search paths.
module.paths = []
module.parent.paths = []
// Prevent Node from adding paths outside this app to search paths.
Module._nodeModulePaths = function (from) {
var dir, i, part, parts, paths, skipOutsidePaths, splitRe, tip
from = path.resolve(from)
// If "from" is outside the app then we do nothing.
skipOutsidePaths = from.startsWith(process.resourcesPath)
// Following logoic is copied from module.js.
splitRe = process.platform === 'win32' ? /[\/\\]/ : /\//
paths = []
parts = from.split(splitRe)
for (tip = i = parts.length - 1; i >= 0; tip = i += -1) {
part = parts[tip]
if (part === 'node_modules') {
continue
}
dir = parts.slice(0, tip + 1).join(path.sep)
if (skipOutsidePaths && !dir.startsWith(process.resourcesPath)) {
break
}
paths.push(path.join(dir, 'node_modules'))
}
return paths
}