From aa689444fb858a155d037624db21950ad052f829 Mon Sep 17 00:00:00 2001
From: Daniel Freytag <daniel@frytg.com>
Date: Wed, 13 Nov 2024 10:23:39 +0100
Subject: [PATCH] feat: add Deno build to WASM

---
 .gitignore   |  1 +
 CHANGELOG.md |  4 ++++
 Cargo.lock   |  2 +-
 Cargo.toml   |  2 +-
 README.md    | 14 ++++++++++++++
 web/deno.ts  | 36 ++++++++++++++++++++++++++++++++++++
 6 files changed, 57 insertions(+), 2 deletions(-)
 create mode 100644 web/deno.ts

diff --git a/.gitignore b/.gitignore
index 32218a8..4d42116 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ target/
 .DS_Store
 *.svg
 !assets/*.svg
+pkg/
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5117150..08c03ab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 5.1.3 / 2024-11-13
+
+- feat: add Deno build to WASM
+
 ## 5.1.0 / 2024-11-13
 
 - feat: add WASM build
diff --git a/Cargo.lock b/Cargo.lock
index 070b48b..8667c09 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -342,7 +342,7 @@ checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f"
 
 [[package]]
 name = "githubchart-rust"
-version = "5.1.0"
+version = "5.1.3"
 dependencies = [
  "getrandom",
  "js-sys",
diff --git a/Cargo.toml b/Cargo.toml
index fc043bc..5d32994 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "githubchart-rust"
-version = "5.1.0"
+version = "5.1.3"
 authors = ["frytg"]
 edition = "2021"
 license = "MIT"
diff --git a/README.md b/README.md
index dc9c4b0..6da52d5 100644
--- a/README.md
+++ b/README.md
@@ -56,6 +56,20 @@ This project is already configured to build for Web with `wasm-pack`. Run this c
 wasm-pack build --target web
 ```
 
+or [specifically for Deno](https://rustwasm.github.io/docs/wasm-bindgen/reference/deployment.html#deno):
+
+```sh
+wasm-pack build --target deno --out-dir pkg-deno
+```
+
+or a combined version for both:
+
+```sh
+rm -rf pkg && wasm-pack build --target deno --out-name githubchart_rust_deno && wasm-pack build --target web && rm pkg/.gitignore
+```
+
+For the combined version, you will need to remove `files` from [`pkg/package.json`](./pkg/package.json) to publish all files (web+deno) to NPM.
+
 There's also an example in [`web/example.html`](./web/example.html) that you can run locally.
 
 More docs about this:
diff --git a/web/deno.ts b/web/deno.ts
new file mode 100644
index 0000000..10e7d55
--- /dev/null
+++ b/web/deno.ts
@@ -0,0 +1,36 @@
+import * as BunnySDK from "https://esm.sh/@bunny.net/edgescript-sdk@0.11.2";
+import { generate_github_chart } from "https://esm.sh/githubchart-rust@5.1.3/githubchart_rust_deno.js";
+
+/**
+ * Executes a WASM binary and returns the response value
+ * @param {Request} request - The Fetch API Request object.
+ * @return {Response} The HTTP response or string.
+ */
+BunnySDK.net.http.serve(async (req: Request): Promise<Response> => {
+  try {
+    // parse incoming request
+    const url = new URL(req.url);
+
+    // extract username from path
+    const username = url.pathname.split("/")[1];
+
+    // check if username is provided
+    if (!username) return new Response("No username provided", { status: 400 });
+
+    // generate chart
+    const chart = await generate_github_chart(username, "default");
+
+    // return response
+    return new Response(chart, {
+      headers: {
+        "Content-Type": "image/svg+xml",
+        "Cache-Control": "max-age=300",
+        "x-generated-by": "githubchart-rust",
+        "x-username": username,
+      },
+    });
+  } catch (error) {
+    console.log(req.method, req.url, error);
+    return new Response("Internal Server Error", { status: 500 });
+  }
+});