node-gyp/lib/find-node-directory.js
Luke Karrys 192eec2aca
Sync deps and engines with npm (#2770)
* feat!: update `engines.node` to `^14.17.0 || ^16.13.0 || >=18.0.0`

* deps: nopt@^7.0.0

* feat: replace npmlog with proc-log

* deps: standard@17.0.0 and fix linting errors

* deps: which@3.0.0
- this also promiisifies the build command

* deps: glob@8.0.3

* feat: drop rimraf dependency

* fix: use fs/promises in favor of fs.promises
2023-06-20 15:44:18 +02:00

63 lines
2.3 KiB
JavaScript

'use strict'
const path = require('path')
const log = require('./log')
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
const npmParentDirectory = path.join(scriptLocation, '../../../..')
log.verbose('node-gyp root', 'npm_parent_directory is ' +
path.basename(npmParentDirectory))
let 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
const nodeDir = path.dirname(processObj.execPath)
const 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