From 2ab483adf866d220bce4855bd76511a3df049c8d Mon Sep 17 00:00:00 2001
From: Jamie Sinclair <jamsinclairnz@gmail.com>
Date: Sat, 8 Jul 2023 16:11:29 +0900
Subject: [PATCH 1/2] feat(png): polyfill ImageData api for cloudflare worker
 env

---
 packages/png/codec/package.json   |  5 ++++-
 packages/png/codec/pre.js         | 15 +++++++++++++++
 packages/png/codec/squoosh_png.js | 15 +++++++++++++++
 3 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 packages/png/codec/pre.js

diff --git a/packages/png/codec/package.json b/packages/png/codec/package.json
index 0baa377..5b8878e 100644
--- a/packages/png/codec/package.json
+++ b/packages/png/codec/package.json
@@ -9,7 +9,10 @@
     "squoosh_png.js",
     "squoosh_png.d.ts"
   ],
+  "scripts": {
+    "patch-pre-script": "cat pre.js >> squoosh_png.js"
+  },
   "module": "squoosh_png.js",
   "types": "squoosh_png.d.ts",
   "sideEffects": false
-}
\ No newline at end of file
+}
diff --git a/packages/png/codec/pre.js b/packages/png/codec/pre.js
new file mode 100644
index 0000000..4f0530c
--- /dev/null
+++ b/packages/png/codec/pre.js
@@ -0,0 +1,15 @@
+(function () {
+  const isRunningInCloudFlareWorkers = caches.default !== undefined;
+  if (isRunningInCloudFlareWorkers) {
+    if (!globalThis.ImageData) {
+      // Simple Polyfill for ImageData Object
+      globalThis.ImageData = class ImageData {
+        constructor(data, width, height) {
+          this.data = data;
+          this.width = width;
+          this.height = height;
+        }
+      };
+    }
+  }
+})();
diff --git a/packages/png/codec/squoosh_png.js b/packages/png/codec/squoosh_png.js
index 881ee83..0b0975b 100644
--- a/packages/png/codec/squoosh_png.js
+++ b/packages/png/codec/squoosh_png.js
@@ -173,3 +173,18 @@ async function init(input) {
 
 export default init;
 
+(function () {
+  const isRunningInCloudFlareWorkers = caches.default !== undefined;
+  if (isRunningInCloudFlareWorkers) {
+    if (!globalThis.ImageData) {
+      // Simple Polyfill for ImageData Object
+      globalThis.ImageData = class ImageData {
+        constructor(data, width, height) {
+          this.data = data;
+          this.width = width;
+          this.height = height;
+        }
+      };
+    }
+  }
+})();

From 6acacd18989f190daadc1bfa6d07a61f68ba85b8 Mon Sep 17 00:00:00 2001
From: Jamie Sinclair <jamsinclairnz@gmail.com>
Date: Sat, 8 Jul 2023 16:15:21 +0900
Subject: [PATCH 2/2] chore(png): create version 2.1.0

---
 packages/png/CHANGELOG.md | 7 +++++++
 packages/png/package.json | 4 ++--
 2 files changed, 9 insertions(+), 2 deletions(-)
 create mode 100644 packages/png/CHANGELOG.md

diff --git a/packages/png/CHANGELOG.md b/packages/png/CHANGELOG.md
new file mode 100644
index 0000000..d0107f7
--- /dev/null
+++ b/packages/png/CHANGELOG.md
@@ -0,0 +1,7 @@
+# Changelog
+
+## @jquash/png@2.1.0
+
+### Added 
+
+- Include polyfills for Cloudflare Worker environment for easier compatibility
diff --git a/packages/png/package.json b/packages/png/package.json
index e473d25..0b6b18a 100644
--- a/packages/png/package.json
+++ b/packages/png/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@jsquash/png",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "main": "index.js",
   "description": "Wasm png encoder and decoder supporting the browser. Repackaged from Squoosh App.",
   "repository": "jamsinclair/jSquash",
@@ -20,7 +20,7 @@
   "license": "Apache-2.0",
   "scripts": {
     "clean": "rm -rf dist",
-    "build": "npm run clean && tsc && cp -r codec package.json README.md .npmignore dist"
+    "build": "npm run clean && tsc && cp -r codec package.json README.md CHANGELOG.md .npmignore dist"
   },
   "dependencies": {
     "wasm-feature-detect": "^1.2.11"