From 1592f96b7b475d49b5f8b9c3b1aedc3a1e55c5a0 Mon Sep 17 00:00:00 2001
From: Lovell Fuller <github@lovell.info>
Date: Sun, 10 Dec 2023 19:38:03 +0000
Subject: [PATCH] Add support for Yarn Plug'n'Play filesystem layout #3888

---
 docs/changelog.md    |  5 +++++
 docs/install.md      |  2 --
 lib/libvips.js       | 12 +++++++++++-
 src/binding.gyp      |  7 +++++--
 test/unit/libvips.js |  6 ++++++
 5 files changed, 27 insertions(+), 5 deletions(-)

diff --git a/docs/changelog.md b/docs/changelog.md
index 5962dd2f..352336b7 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -4,6 +4,11 @@
 
 Requires libvips v8.15.0
 
+### v0.33.1 - TBD
+
+* Add support for Yarn Plug'n'Play filesystem layout.
+  [#3888](https://github.com/lovell/sharp/issues/3888)
+
 ### v0.33.0 - 29th November 2023
 
 * Drop support for Node.js 14 and 16, now requires Node.js >= 18.17.0
diff --git a/docs/install.md b/docs/install.md
index bf13f5c1..1350ace6 100644
--- a/docs/install.md
+++ b/docs/install.md
@@ -13,8 +13,6 @@ pnpm add sharp
 ```
 
 ```sh
-# yarn v3+ (Plug'n'Play is unsupported)
-yarn config set nodeLinker node-modules
 yarn add sharp
 ```
 
diff --git a/lib/libvips.js b/lib/libvips.js
index 9d0f09d0..fbf831fe 100644
--- a/lib/libvips.js
+++ b/lib/libvips.js
@@ -4,11 +4,12 @@
 'use strict';
 
 const { spawnSync } = require('node:child_process');
+const { createHash } = require('node:crypto');
 const semverCoerce = require('semver/functions/coerce');
 const semverGreaterThanOrEqualTo = require('semver/functions/gte');
 const detectLibc = require('detect-libc');
 
-const { engines } = require('../package.json');
+const { engines, optionalDependencies } = require('../package.json');
 
 const minimumLibvipsVersionLabelled = process.env.npm_package_config_libvips || /* istanbul ignore next */
   engines.libvips;
@@ -97,6 +98,14 @@ const isRosetta = () => {
   return false;
 };
 
+const sha512 = (s) => createHash('sha512').update(s).digest('hex');
+
+const yarnLocator = () => {
+  const identHash = sha512(`imgsharp-libvips-${buildPlatformArch()}`);
+  const npmVersion = semverCoerce(optionalDependencies[`@img/sharp-libvips-${buildPlatformArch()}`]).version;
+  return sha512(`${identHash}npm:${npmVersion}`).slice(0, 10);
+};
+
 /* istanbul ignore next */
 const spawnRebuild = () =>
   spawnSync(`node-gyp rebuild --directory=src ${isEmscripten() ? '--nodedir=emscripten' : ''}`, {
@@ -164,6 +173,7 @@ module.exports = {
   buildSharpLibvipsLibDir,
   runtimePlatformArch,
   log,
+  yarnLocator,
   spawnRebuild,
   globalLibvipsVersion,
   pkgConfigPath,
diff --git a/src/binding.gyp b/src/binding.gyp
index dedb2b2d..f1fc6091 100644
--- a/src/binding.gyp
+++ b/src/binding.gyp
@@ -6,6 +6,7 @@
     'vips_version': '<!(node -p "require(\'../lib/libvips\').minimumLibvipsVersion")',
     'platform_and_arch': '<!(node -p "require(\'../lib/libvips\').buildPlatformArch()")',
     'sharp_libvips_version': '<!(node -p "require(\'../package.json\').optionalDependencies[\'@img/sharp-libvips-<(platform_and_arch)\']")',
+    'sharp_libvips_yarn_locator': '<!(node -p "require(\'../lib/libvips\').yarnLocator()")',
     'sharp_libvips_include_dir': '<!(node -p "require(\'../lib/libvips\').buildSharpLibvipsIncludeDir()")',
     'sharp_libvips_cplusplus_dir': '<!(node -p "require(\'../lib/libvips\').buildSharpLibvipsCPlusPlusDir()")',
     'sharp_libvips_lib_dir': '<!(node -p "require(\'../lib/libvips\').buildSharpLibvipsLibDir()")'
@@ -157,7 +158,8 @@
                 '-Wl,-rpath,\'@loader_path/../../sharp-libvips-<(platform_and_arch)/lib\'',
                 '-Wl,-rpath,\'@loader_path/../../../sharp-libvips-<(platform_and_arch)/<(sharp_libvips_version)/lib\'',
                 '-Wl,-rpath,\'@loader_path/../../node_modules/@img/sharp-libvips-<(platform_and_arch)/lib\'',
-                '-Wl,-rpath,\'@loader_path/../../../node_modules/@img/sharp-libvips-<(platform_and_arch)/lib\''
+                '-Wl,-rpath,\'@loader_path/../../../node_modules/@img/sharp-libvips-<(platform_and_arch)/lib\'',
+                '-Wl,-rpath,\'@loader_path/../../../../../@img-sharp-libvips-<(platform_and_arch)-npm-<(sharp_libvips_version)-<(sharp_libvips_yarn_locator)/node_modules/@img/sharp-libvips-<(platform_and_arch)/lib\''
               ]
             }
           }],
@@ -176,7 +178,8 @@
                 '-Wl,-rpath=\'$$ORIGIN/../../sharp-libvips-<(platform_and_arch)/lib\'',
                 '-Wl,-rpath=\'$$ORIGIN/../../../sharp-libvips-<(platform_and_arch)/<(sharp_libvips_version)/lib\'',
                 '-Wl,-rpath=\'$$ORIGIN/../../node_modules/@img/sharp-libvips-<(platform_and_arch)/lib\'',
-                '-Wl,-rpath=\'$$ORIGIN/../../../node_modules/@img/sharp-libvips-<(platform_and_arch)/lib\''
+                '-Wl,-rpath=\'$$ORIGIN/../../../node_modules/@img/sharp-libvips-<(platform_and_arch)/lib\'',
+                '-Wl,-rpath,\'$$ORIGIN/../../../../../@img-sharp-libvips-<(platform_and_arch)-npm-<(sharp_libvips_version)-<(sharp_libvips_yarn_locator)/node_modules/@img/sharp-libvips-<(platform_and_arch)/lib\''
               ]
             }
           }],
diff --git a/test/unit/libvips.js b/test/unit/libvips.js
index ea5c28b9..36a21fa3 100644
--- a/test/unit/libvips.js
+++ b/test/unit/libvips.js
@@ -144,4 +144,10 @@ describe('libvips binaries', function () {
       libvips.log(new Error('problem'));
     });
   });
+
+  it('yarn locator hash', () => {
+    const locatorHash = libvips.yarnLocator();
+    assert.strictEqual(locatorHash.length, 10);
+    assert.strict(/[a-f0-9]{10}/.test(locatorHash));
+  });
 });