Merge pull request #26 from jamsinclair/png-polyfill-imagedata

jamsinclair · Jul 8, 2023 · 2399591 · 2399591
2 parents 52ea8b8 + 6acacd1
commit 2399591
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Showing 5 changed files with 43 additions and 3 deletions.
diff --git a/packages/png/CHANGELOG.md 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/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
-}
+}
diff --git a/packages/png/codec/pre.js 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
@@ -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;
+        }
+      };
+    }
+  }
+})();
diff --git 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"