64 lines
2.3 KiB
JavaScript
Executable file
64 lines
2.3 KiB
JavaScript
Executable file
'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
|