summaryrefslogtreecommitdiff
path: root/deps/node/deps/npm/node_modules/find-npm-prefix/find-prefix.js
diff options
context:
space:
mode:
Diffstat (limited to 'deps/node/deps/npm/node_modules/find-npm-prefix/find-prefix.js')
-rw-r--r--deps/node/deps/npm/node_modules/find-npm-prefix/find-prefix.js56
1 files changed, 0 insertions, 56 deletions
diff --git a/deps/node/deps/npm/node_modules/find-npm-prefix/find-prefix.js b/deps/node/deps/npm/node_modules/find-npm-prefix/find-prefix.js
deleted file mode 100644
index d5e27132..00000000
--- a/deps/node/deps/npm/node_modules/find-npm-prefix/find-prefix.js
+++ /dev/null
@@ -1,56 +0,0 @@
-'use strict'
-// try to find the most reasonable prefix to use
-
-module.exports = findPrefix
-
-const fs = require('fs')
-const path = require('path')
-
-function findPrefix (dir) {
- return new Promise((resolve, reject) => {
- dir = path.resolve(dir)
-
- // this is a weird special case where an infinite recurse of
- // node_modules folders resolves to the level that contains the
- // very first node_modules folder
- let walkedUp = false
- while (path.basename(dir) === 'node_modules') {
- dir = path.dirname(dir)
- walkedUp = true
- }
- if (walkedUp) {
- resolve(dir)
- } else {
- resolve(findPrefix_(dir))
- }
- })
-}
-
-function findPrefix_ (dir, original) {
- if (!original) original = dir
-
- const parent = path.dirname(dir)
- // this is a platform independent way of checking if we're in the root
- // directory
- if (parent === dir) return Promise.resolve(original)
-
- return new Promise((resolve, reject) => {
- fs.readdir(dir, (err, files) => {
- if (err) {
- // an error right away is a bad sign.
- // unless the prefix was simply a non
- // existent directory.
- if (err && dir === original && err.code !== 'ENOENT') {
- reject(err)
- } else {
- resolve(original)
- }
- } else if (files.indexOf('node_modules') !== -1 ||
- files.indexOf('package.json') !== -1) {
- resolve(dir)
- } else {
- resolve(findPrefix_(parent, original))
- }
- })
- })
-}