Fix lodash edge compatibility (vercel, cloudflare workers)

README.md

Lodash and Edge Runtimes

See: lodash/lodash#5862

Lodash uses Function(String) which upsets Next.js and is incompatible with CloudFlare workers (Vercel Edge), resulting in errors like:

Failed to compile.
Dynamic Code Evaluation (e. g. 'eval', 'new Function', 'WebAssembly.compile') not allowed in Edge Runtime

Apply those patches to work around the issue. Tested with Lodash 3.0.1.

How to use

• Copy files into your project, i.e. under patches/
• For Bun use patcheer: oven-sh/bun#2336 (comment)
• For Npm and Yarn, use patch-package: https://www.npmjs.com/package/patch-package

lodash-_root.patch

--- node_modules/lodash/_root.js	2023-10-16 14:58:12.549911617 +1100
+++ node_modules/lodash/_root-patched.js	2023-11-10 13:28:15.641779573 +1100
@@ -4,6 +4,6 @@
 var freeSelf = typeof self == 'object' && self && self.Object === Object && self;

 /** Used as a reference to the global object. */
-var root = freeGlobal || freeSelf || Function('return this')();
+var root = freeGlobal || freeSelf;

 module.exports = root;

lodash._root.patch

--- node_modules/lodash._root/index.js	2023-10-16 14:58:13.848970002 +1100
+++ node_modules/lodash._root/index-patched.js	2023-11-10 13:26:58.912392321 +1100
@@ -43,7 +43,7 @@
  */
 var root = freeGlobal ||
   ((freeWindow !== (thisGlobal && thisGlobal.window)) && freeWindow) ||
-    freeSelf || thisGlobal || Function('return this')();
+    freeSelf || thisGlobal;

 /**
  * Checks if `value` is a global object.