From e0b19fdc8bc875c09c11e1796af56cf06af65ac6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20B=C3=B6hm?= <tools@boehm.work>
Date: Mon, 5 Dec 2022 15:48:01 +0100
Subject: [PATCH] Add support for `pnpm`

An external script (usedPM) is added to check which package manager starts the execution.
With this it is possible to find out which package manager is used.
We can now simply check for `pnpm` and use the `node_modules` folder of the project.
---
 package-lock.json | 21 +++++++++++++++++++--
 package.json      |  3 +++
 src/common.js     |  7 +++++++
 3 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index b43d65f..61c4aa9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,6 +8,9 @@
       "name": "@go-task/go-npm",
       "version": "0.1.16",
       "license": "Apache-2.0",
+      "dependencies": {
+        "used-pm": "^1.0.0"
+      },
       "bin": {
         "go-npm": "bin/index.js"
       },
@@ -1898,7 +1901,7 @@
     "node_modules/block-stream": {
       "version": "0.0.9",
       "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz",
-      "integrity": "sha1-E+v+d4oDIFz+A3UUgeu0szAMEmo=",
+      "integrity": "sha512-OorbnJVPII4DuUKbjARAe8u8EfqOmkEEaSFIyoQ7OjTHn6kafxWl0wLgoZ2rXaYd7MyLcDaU4TmhfxtwgcccMQ==",
       "dev": true,
       "dependencies": {
         "inherits": "~2.0.0"
@@ -7975,6 +7978,7 @@
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/tar/-/tar-2.2.2.tgz",
       "integrity": "sha512-FCEhQ/4rE1zYv9rYXJw/msRqsnmlje5jHP6huWeBZ704jUTy02c5AZyWujpMR1ax6mVw9NyJMfuK2CMDWVIfgA==",
+      "deprecated": "This version of tar is no longer supported, and will not receive security updates. Please upgrade asap.",
       "dev": true,
       "dependencies": {
         "block-stream": "*",
@@ -8252,6 +8256,14 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/used-pm": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/used-pm/-/used-pm-1.0.0.tgz",
+      "integrity": "sha512-imCruP1jKlraI8MgwRYg1gvduqYN1MKe8pfcdX34gx8LfO8JxhVTv6r7LtRvIWOBtamys3+7QEZTMb0ZccHXiQ==",
+      "funding": {
+        "url": "https://github.com/sponsors/mheob"
+      }
+    },
     "node_modules/util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@@ -10023,7 +10035,7 @@
     "block-stream": {
       "version": "0.0.9",
       "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz",
-      "integrity": "sha1-E+v+d4oDIFz+A3UUgeu0szAMEmo=",
+      "integrity": "sha512-OorbnJVPII4DuUKbjARAe8u8EfqOmkEEaSFIyoQ7OjTHn6kafxWl0wLgoZ2rXaYd7MyLcDaU4TmhfxtwgcccMQ==",
       "dev": true,
       "requires": {
         "inherits": "~2.0.0"
@@ -15132,6 +15144,11 @@
       "integrity": "sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ==",
       "dev": true
     },
+    "used-pm": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/used-pm/-/used-pm-1.0.0.tgz",
+      "integrity": "sha512-imCruP1jKlraI8MgwRYg1gvduqYN1MKe8pfcdX34gx8LfO8JxhVTv6r7LtRvIWOBtamys3+7QEZTMb0ZccHXiQ=="
+    },
     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
diff --git a/package.json b/package.json
index 11a1be0..3b527e4 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,9 @@
     "url": "https://github.com/go-task/go-npm.git"
   },
   "homepage": "https://github.com/go-task/go-npm",
+  "dependencies": {
+    "used-pm": "^1.0.0"
+  },
   "devDependencies": {
     "esbuild": "^0.12.17",
     "jest": "^24.5.0",
diff --git a/src/common.js b/src/common.js
index 6626cbe..059f144 100644
--- a/src/common.js
+++ b/src/common.js
@@ -2,6 +2,7 @@ const { join } = require('path');
 const { exec } = require('child_process');
 const { existsSync, readFileSync } = require('fs');
 const mkdirp = require('mkdirp');
+const usedPM =require('used-pm');
 
 // Mapping from Node's `process.arch` to Golang's `$GOARCH`
 const ARCH_MAPPING = {
@@ -33,10 +34,16 @@ function getInstallationPath(callback) {
       // Ex: /Users/foo/.nvm/versions/node/v4.3.0
       const env = process.env;
 
+      // Get the package manager who is running the script
+      // This is needed since PNPM works in a different way than NPM or YARN.
+      const packageManager = usedPM();
+
       if (env && env.npm_config_prefix) {
         dir = join(env.npm_config_prefix, 'bin');
       } else if (env && env.npm_config_local_prefix) {
         dir = join(env.npm_config_local_prefix, join('node_modules', '.bin'));
+      } else if (packageManager.name.toLowerCase() === 'pnpm') {
+        dir = join(process.cwd(), 'node_modules', '.bin');
       } else {
         return callback(new Error('Error finding binary installation directory'));
       }