From 109502dea9c163799ebab928d020a26669d87600 Mon Sep 17 00:00:00 2001
From: Joel Wurtz <jwurtz@jolicode.com>
Date: Thu, 16 May 2024 15:32:56 +0200
Subject: [PATCH] feat(vercel): add wrapper for generated wasm, adapt vercel
 middleware with new wrapper

---
 Makefile.in            |  3 +++
 pkg/package.json       | 24 ++++++++++++++++++++++++
 pkg/redirectionio.d.ts |  3 +++
 pkg/redirectionio.js   | 36 ++++++++++++++++++++++++++++++++++++
 pkg/tsconfig.json      | 21 +++++++++++++++++++++
 5 files changed, 87 insertions(+)
 create mode 100644 pkg/package.json
 create mode 100644 pkg/redirectionio.d.ts
 create mode 100644 pkg/redirectionio.js
 create mode 100644 pkg/tsconfig.json

diff --git a/Makefile.in b/Makefile.in
index 94a0650..93bd230 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -36,6 +36,9 @@ install: @RUST_TARGET_DIR@/@RUST_TARGET_SUBDIR@/libredirectionio.a redirectionio
 	mkdir -p $(DESTDIR)@libdir@/pkgconfig/
 	install -c -m 644 libredirectionio.pc $(DESTDIR)@libdir@/pkgconfig/
 
+build-wasm:
+	wasm-pack build --scope redirection.io --no-default-features --out-dir pkg/wasm --no-pack --release
+
 .PHONY:	clean
 clean:
 	rm -f redirectionio.h
diff --git a/pkg/package.json b/pkg/package.json
new file mode 100644
index 0000000..b58f2c8
--- /dev/null
+++ b/pkg/package.json
@@ -0,0 +1,24 @@
+{
+    "name": "@redirection.io/redirectionio",
+    "collaborators": [
+        "Joel Wurtz <jwurtz@redirection.io>"
+    ],
+    "description": "Redirection IO Library to handle matching rule, redirect and filtering headers and body.",
+    "version": "2.11.8",
+    "license": "MIT",
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/redirectionio/libredirectionio"
+    },
+    "files": [
+        "wasm/redirectionio.d.ts",
+        "wasm/redirectionio.js",
+        "wasm/redirectionio_bg.js",
+        "wasm/redirectionio_bg.wasm",
+        "wasm/redirectionio_bg.wasm.d.ts",
+        "redirectionio.js",
+        "redirectionio.d.ts"
+    ],
+    "module": "redirectionio.js",
+    "types": "redirectionio.d.ts"
+}
diff --git a/pkg/redirectionio.d.ts b/pkg/redirectionio.d.ts
new file mode 100644
index 0000000..324af3b
--- /dev/null
+++ b/pkg/redirectionio.d.ts
@@ -0,0 +1,3 @@
+export * from './wasm/redirectionio';
+
+export function init(instantiate?: () => Promise<WebAssembly.Instance>): Promise<void>;
diff --git a/pkg/redirectionio.js b/pkg/redirectionio.js
new file mode 100644
index 0000000..a3bfba8
--- /dev/null
+++ b/pkg/redirectionio.js
@@ -0,0 +1,36 @@
+import * as redirectionio from './wasm/redirectionio_bg.js';
+import wasmModule from './wasm/redirectionio_bg.wasm?module';
+
+export * from './wasm/redirectionio_bg.js';
+
+function getImports() {
+    const imports = {"./redirectionio_bg.js": {}};
+
+    for (const functionName of Object.keys(redirectionio)) {
+        if (functionName.startsWith("__") && functionName !== "__wbg_set_wasm") {
+            imports["./redirectionio_bg.js"][functionName] = redirectionio[functionName];
+        }
+    }
+
+    return imports;
+}
+
+let loadedModule = null;
+
+export async function init(instantiate) {
+    if (loadedModule) {
+        return;
+    }
+
+    if (!instantiate) {
+        instantiate = async () => {
+            return await WebAssembly.instantiate(wasmModule, getImports());
+        };
+    }
+
+    const module = await instantiate();
+
+    redirectionio.__wbg_set_wasm(module.exports);
+    loadedModule = module;
+    redirectionio.init_log();
+}
diff --git a/pkg/tsconfig.json b/pkg/tsconfig.json
new file mode 100644
index 0000000..d30e381
--- /dev/null
+++ b/pkg/tsconfig.json
@@ -0,0 +1,21 @@
+{
+    "compilerOptions": {
+        "target": "es5",
+        "module": "commonjs",
+        "lib": [
+            "es2020",
+            "DOM"
+        ],
+        "allowJs": true,
+        "skipLibCheck": true,
+        "strict": true,
+        "noEmit": true,
+        "strictNullChecks": true,
+        "esModuleInterop": true,
+        "moduleResolution": "bundler",
+        "resolveJsonModule": true,
+        "isolatedModules": true,
+        "jsx": "preserve",
+        "incremental": true
+    }
+}
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