From e85ebfea315f1e6a7abb8d3d09bfe9666606ec04 Mon Sep 17 00:00:00 2001
From: Jeff Raymakers <jray@motherduck.com>
Date: Tue, 26 Sep 2023 11:54:40 -0700
Subject: [PATCH] esbuild-browser example using coi

---
 examples/esbuild-browser/.gitignore   |  1 +
 examples/esbuild-browser/bundle.mjs   | 27 +++++++++++++++++++++++++++
 examples/esbuild-browser/index.ts     |  5 +++++
 examples/esbuild-browser/package.json |  4 +++-
 examples/esbuild-browser/serve.json   | 11 +++++++++++
 5 files changed, 47 insertions(+), 1 deletion(-)
 create mode 100644 examples/esbuild-browser/serve.json

diff --git a/examples/esbuild-browser/.gitignore b/examples/esbuild-browser/.gitignore
index 0b55ae729..7e5256ac9 100644
--- a/examples/esbuild-browser/.gitignore
+++ b/examples/esbuild-browser/.gitignore
@@ -1,3 +1,4 @@
 /node_modules
 /*.wasm
 /*.js
+/*.js.map
diff --git a/examples/esbuild-browser/bundle.mjs b/examples/esbuild-browser/bundle.mjs
index 95bc38c51..1f7e7c77a 100644
--- a/examples/esbuild-browser/bundle.mjs
+++ b/examples/esbuild-browser/bundle.mjs
@@ -12,8 +12,35 @@ function printErr(err) {
 
 fs.copyFile(path.resolve(DUCKDB_DIST, 'duckdb-mvp.wasm'), './duckdb-mvp.wasm', printErr);
 fs.copyFile(path.resolve(DUCKDB_DIST, 'duckdb-eh.wasm'), './duckdb-eh.wasm', printErr);
+fs.copyFile(path.resolve(DUCKDB_DIST, 'duckdb-coi.wasm'), './duckdb-coi.wasm', printErr);
 fs.copyFile(path.resolve(DUCKDB_DIST, 'duckdb-browser-mvp.worker.js'), './duckdb-browser-mvp.worker.js', printErr);
+fs.copyFile(
+    path.resolve(DUCKDB_DIST, 'duckdb-browser-mvp.worker.js.map'),
+    './duckdb-browser-mvp.worker.js.map',
+    printErr,
+);
 fs.copyFile(path.resolve(DUCKDB_DIST, 'duckdb-browser-eh.worker.js'), './duckdb-browser-eh.worker.js', printErr);
+fs.copyFile(
+    path.resolve(DUCKDB_DIST, 'duckdb-browser-eh.worker.js.map'),
+    './duckdb-browser-eh.worker.js.map',
+    printErr,
+);
+fs.copyFile(path.resolve(DUCKDB_DIST, 'duckdb-browser-coi.worker.js'), './duckdb-browser-coi.worker.js', printErr);
+fs.copyFile(
+    path.resolve(DUCKDB_DIST, 'duckdb-browser-coi.worker.js.map'),
+    './duckdb-browser-coi.worker.js.map',
+    printErr,
+);
+fs.copyFile(
+    path.resolve(DUCKDB_DIST, 'duckdb-browser-coi.pthread.worker.js'),
+    './duckdb-browser-coi.pthread.worker.js',
+    printErr,
+);
+fs.copyFile(
+    path.resolve(DUCKDB_DIST, 'duckdb-browser-coi.pthread.worker.js.map'),
+    './duckdb-browser-coi.pthread.worker.js.map',
+    printErr,
+);
 
 esbuild.build({
     entryPoints: ['./index.ts'],
diff --git a/examples/esbuild-browser/index.ts b/examples/esbuild-browser/index.ts
index 67689df68..a940390d9 100644
--- a/examples/esbuild-browser/index.ts
+++ b/examples/esbuild-browser/index.ts
@@ -12,6 +12,11 @@ import * as arrow from 'apache-arrow';
                 mainModule: './duckdb-eh.wasm',
                 mainWorker: './duckdb-browser-eh.worker.js',
             },
+            coi: {
+                mainModule: './duckdb-coi.wasm',
+                mainWorker: './duckdb-browser-coi.worker.js',
+                pthreadWorker: './duckdb-browser-coi.pthread.worker.js',
+            },
         });
 
         const logger = new duckdb.ConsoleLogger();
diff --git a/examples/esbuild-browser/package.json b/examples/esbuild-browser/package.json
index 6d1a97623..4faf9f1c7 100644
--- a/examples/esbuild-browser/package.json
+++ b/examples/esbuild-browser/package.json
@@ -10,10 +10,12 @@
     "devDependencies": {
         "esbuild": "^0.19.5",
         "http-server": "^14.1.1",
+        "serve": "^14.2.1",
         "typescript": "^5.2.2"
     },
     "scripts": {
         "build": "node ./bundle.mjs && tsc --noEmit",
-        "server": "http-server"
+        "server": "http-server",
+        "server-coi": "serve"
     }
 }
diff --git a/examples/esbuild-browser/serve.json b/examples/esbuild-browser/serve.json
new file mode 100644
index 000000000..825afee00
--- /dev/null
+++ b/examples/esbuild-browser/serve.json
@@ -0,0 +1,11 @@
+{
+  "headers": [
+    {
+      "source": "*",
+      "headers": [
+        { "key": "Cross-Origin-Embedder-Policy", "value": "require-corp" },
+        { "key": "Cross-Origin-Opener-Policy", "value": "same-origin" }
+      ]
+    }
+  ]
+}