fix: path-temp across worker threads (#222)

Author: zkochan

.changeset/metal-games-melt.md

@@ -0,0 +1,5 @@
+---
+"path-temp": patch
+---
+
+The location created by fastPathTemp should be unique across worker threads.

path-temp/index.js

@@ -1,11 +1,12 @@
 'use strict'
 const path = require('path')
 const uniqueString = require('unique-string')
+const workerThreads = require('node:worker_threads')
 
 module.exports = function pathTemp (folder) {
   return path.join(folder, `_tmp_${process.pid}_${uniqueString()}`)
 }
 
 module.exports.fastPathTemp = function pathTempFast (file) {
-  return path.join(path.dirname(file), `${path.basename(file)}_tmp_${process.pid}`)
+  return path.join(path.dirname(file), `${path.basename(file)}_tmp_${process.pid}_${workerThreads.threadId}`)
 }

path-temp/test.js

@@ -9,6 +9,7 @@ test('pathTemp', t => {
 })
 
 test('fastPathTemp', t => {
-  t.equal(pathTemp.fastPathTemp(path.resolve('foo.txt')), path.resolve(`foo.txt_tmp_${process.pid}`))
+  const workerThreads = require('node:worker_threads')
+  t.equal(pathTemp.fastPathTemp(path.resolve('foo.txt')), path.resolve(`foo.txt_tmp_${process.pid}_${workerThreads.threadId}`))
   t.end()
 })