From 7261536e5a83fbf3a9b9426ba1d0b52088f10b17 Mon Sep 17 00:00:00 2001
From: Arjun Barrett <arjunbarrett@gmail.com>
Date: Sat, 20 Mar 2021 19:44:10 -0700
Subject: [PATCH] Fix Deno

---
 README.md                   | 10 ++++++++++
 docs/classes/asyncgunzip.md |  4 ++--
 package.json                |  2 +-
 src/worker.ts               |  6 +++++-
 4 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 9d373a1..5ae81d2 100644
--- a/README.md
+++ b/README.md
@@ -71,6 +71,16 @@ You may also want to specify the version, e.g. with fflate@0.4.8
 </script>
 ```
 
+If you are using Deno:
+```js
+// Don't use the ?dts Skypack flag; it isn't necessary for Deno support
+// The @deno-types comment adds TypeScript typings
+
+// @deno-types="https://cdn.skypack.dev/fflate/lib/index.d.ts"
+import * as fflate from 'https://cdn.skypack.dev/fflate?min';
+```
+
+
 If your environment doesn't support bundling:
 ```js
 // Again, try to import just what you need
diff --git a/docs/classes/asyncgunzip.md b/docs/classes/asyncgunzip.md
index 072c95f..14c48ce 100644
--- a/docs/classes/asyncgunzip.md
+++ b/docs/classes/asyncgunzip.md
@@ -25,7 +25,7 @@ Asynchronous streaming GZIP decompression
 
 ### constructor
 
-\+ **new AsyncGunzip**(`cb`: [AsyncFlateStreamHandler](../README.md#asyncflatestreamhandler)): [AsyncGunzip](asyncgunzip.md)
+\+ **new AsyncGunzip**(`cb?`: [AsyncFlateStreamHandler](../README.md#asyncflatestreamhandler)): [AsyncGunzip](asyncgunzip.md)
 
 Creates an asynchronous GUNZIP stream
 
@@ -33,7 +33,7 @@ Creates an asynchronous GUNZIP stream
 
 Name | Type | Description |
 ------ | ------ | ------ |
-`cb` | [AsyncFlateStreamHandler](../README.md#asyncflatestreamhandler) | The callback to call whenever data is deflated  |
+`cb?` | [AsyncFlateStreamHandler](../README.md#asyncflatestreamhandler) | The callback to call whenever data is deflated  |
 
 **Returns:** [AsyncGunzip](asyncgunzip.md)
 
diff --git a/package.json b/package.json
index b3287e9..e946807 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "fflate",
-  "version": "0.6.8",
+  "version": "0.6.9",
   "description": "High performance (de)compression in an 8kB package",
   "main": "./lib/index.cjs",
   "module": "./esm/browser.js",
diff --git a/src/worker.ts b/src/worker.ts
index 0f56b15..6d0988f 100644
--- a/src/worker.ts
+++ b/src/worker.ts
@@ -1,15 +1,19 @@
 const ch2: Record<string, string> = {};
 
 let durl = (c: string) => URL.createObjectURL(new Blob([c], { type: 'text/javascript' }));
+let cwk = (u: string) => new Worker(u);
 
 try {
   URL.revokeObjectURL(durl(''));
 } catch(e) {
+  // We're in Deno or a very old browser
   durl = c => 'data:application/javascript;charset=UTF-8,' + encodeURI(c);
+  // If Deno, this is necessary; if not, this changes nothing
+  cwk = u => new Worker(u, { type: 'module' });
 }
 
 export default <T>(c: string, id: number, msg: unknown, transfer: ArrayBuffer[], cb: (err: Error, msg: T) => void) => {
-  const w = new Worker(ch2[id] ||= durl(c));
+  const w = cwk(ch2[id] ||= durl(c));
   w.onerror = e => cb(e.error, null);
   w.onmessage = e => cb(null, e.data);
   w.postMessage(msg, transfer);