From 9e941451d4fc2b9df7be2375d7a970f3aec8634b Mon Sep 17 00:00:00 2001
From: Ryan Lamb <4955475+kinyoklion@users.noreply.github.com>
Date: Thu, 10 Oct 2024 15:53:12 -0700
Subject: [PATCH 1/2] fix: Do not mangle _meta.

---
 packages/sdk/browser/rollup.config.js | 25 +++++++++++--------------
 1 file changed, 11 insertions(+), 14 deletions(-)

diff --git a/packages/sdk/browser/rollup.config.js b/packages/sdk/browser/rollup.config.js
index 4ac9311845..1b075ccd73 100644
--- a/packages/sdk/browser/rollup.config.js
+++ b/packages/sdk/browser/rollup.config.js
@@ -21,6 +21,15 @@ const getSharedConfig = (format, file) => ({
   },
 });
 
+const terserOpts = {
+  mangle: {
+    properties: {
+      regex: /^_/,
+      reserved: ['_meta']
+    },
+  }
+};
+
 export default [
   {
     ...getSharedConfig('es', 'dist/index.es.js'),
@@ -33,13 +42,7 @@ export default [
         esmExternals: true,
       }),
       resolve(),
-      terser({
-        mangle: {
-          properties: {
-            regex: /^_/,
-          },
-        },
-      }),
+      terser(terserOpts),
       json(),
       // The 'sourcemap' option allows using the minified size, not the size before minification.
       visualizer({ sourcemap: true }),
@@ -51,13 +54,7 @@ export default [
       typescript(),
       common(),
       resolve(),
-      terser({
-        mangle: {
-          properties: {
-            regex: /^_/,
-          },
-        },
-      }),
+      terser(terserOpts),
       json(),
     ],
   },

From 733fb50d553bd331d9a35e0e0992b99a820f65d9 Mon Sep 17 00:00:00 2001
From: Ryan Lamb <4955475+kinyoklion@users.noreply.github.com>
Date: Fri, 11 Oct 2024 08:19:40 -0700
Subject: [PATCH 2/2] Comments

---
 packages/sdk/browser/rollup.config.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/sdk/browser/rollup.config.js b/packages/sdk/browser/rollup.config.js
index 1b075ccd73..550533ccf1 100644
--- a/packages/sdk/browser/rollup.config.js
+++ b/packages/sdk/browser/rollup.config.js
@@ -24,7 +24,10 @@ const getSharedConfig = (format, file) => ({
 const terserOpts = {
   mangle: {
     properties: {
+      // Mangle class properties which start with an underscore.
       regex: /^_/,
+      // Do not mangle '_meta', because this is part of our JSON
+      // data model.
       reserved: ['_meta']
     },
   }