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| Current File : //usr/local/lib/node_modules/npm/node_modules/node-gyp/lib/find-node-directory.js |
'use strict'
const path = require('path')
const log = require('npmlog')
function findNodeDirectory (scriptLocation, processObj) {
// set dirname and process if not passed in
// this facilitates regression tests
if (scriptLocation === undefined) {
scriptLocation = __dirname
}
if (processObj === undefined) {
processObj = process
}
// Have a look to see what is above us, to try and work out where we are
var npmParentDirectory = path.join(scriptLocation, '../../../..')
log.verbose('node-gyp root', 'npm_parent_directory is ' +
path.basename(npmParentDirectory))
var nodeRootDir = ''
log.verbose('node-gyp root', 'Finding node root directory')
if (path.basename(npmParentDirectory) === 'deps') {
// We are in a build directory where this script lives in
// deps/npm/node_modules/node-gyp/lib
nodeRootDir = path.join(npmParentDirectory, '..')
log.verbose('node-gyp root', 'in build directory, root = ' +
nodeRootDir)
} else if (path.basename(npmParentDirectory) === 'node_modules') {
// We are in a node install directory where this script lives in
// lib/node_modules/npm/node_modules/node-gyp/lib or
// node_modules/npm/node_modules/node-gyp/lib depending on the
// platform
if (processObj.platform === 'win32') {
nodeRootDir = path.join(npmParentDirectory, '..')
} else {
nodeRootDir = path.join(npmParentDirectory, '../..')
}
log.verbose('node-gyp root', 'in install directory, root = ' +
nodeRootDir)
} else {
// We don't know where we are, try working it out from the location
// of the node binary
var nodeDir = path.dirname(processObj.execPath)
var directoryUp = path.basename(nodeDir)
if (directoryUp === 'bin') {
nodeRootDir = path.join(nodeDir, '..')
} else if (directoryUp === 'Release' || directoryUp === 'Debug') {
// If we are a recently built node, and the directory structure
// is that of a repository. If we are on Windows then we only need
// to go one level up, everything else, two
if (processObj.platform === 'win32') {
nodeRootDir = path.join(nodeDir, '..')
} else {
nodeRootDir = path.join(nodeDir, '../..')
}
}
// Else return the default blank, "".
}
return nodeRootDir
}
module.exports = findNodeDirectory
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