download core with script

Author: stevensJourney

README.md

@@ -46,19 +46,15 @@ git clone [this repo]
 ```
 
 ```bash
-git submodule init
+make -B
 ```
 
-```bash
-git submodule update --init --recursive
-```
+### PowerSync Core
 
-```bash
-yarn install
-```
+To update the PowerSync SQLite core see the [script](./scripts/powersync-core.js). Edit the `CORE_VERSION` and run the script with
 
 ```bash
-make -B
+node scripts/powersync-core.js
 ```
 
 ## API

demo/demo-worker.js

@@ -12,9 +12,9 @@ const BUILDS = new Map([
 ]);
 
 const EXT_WASM = new Map([
-  ['default', 'side_module.wasm'],
-  ['asyncify', 'side_module_async.wasm'],
-  ['jspi', 'side_module_jspi.wasm'],
+  ['default', 'libpowersync.wasm'],
+  ['asyncify', 'libpowersync-async.wasm'],
+  ['jspi', 'libpowersync-jspi.wasm'],
 ]);
 
 /**

dist/libpowersync-async.wasm

@@ -0,0 +1,36 @@
+/**
+ * This script downloads PowerSync SQLite Core side-module binaries.
+ * These modules are placed in the `dist` folder along other binaries.
+ */
+import fs from 'fs';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+const CORE_VERSION = 'v0.3.4';
+
+const RELEASE_BASE_URL = `https://github.com/powersync-ja/powersync-sqlite-core/releases/download/${CORE_VERSION}`;
+const RELEASE_FILES = [`libpowersync.wasm`, `libpowersync-async.wasm`];
+
+const DIST_DIR = path.resolve(__dirname, '../dist');
+
+async function downloadCore() {
+  for (const file of RELEASE_FILES) {
+    console.log(`Downloading ${file}`);
+
+    const fileURL = path.join(RELEASE_BASE_URL, file);
+    const response = await fetch(fileURL);
+    if (!response.ok) {
+      throw new Error(`Could not download PowerSync core files. ${await response.text()}`);
+    }
+
+    const distFilePath = path.join(DIST_DIR, file);
+    const fileContent = await response.arrayBuffer();
+    fs.writeFileSync(distFilePath, Buffer.from(fileContent));
+    console.log(`File downloaded to ${distFilePath}`);
+  }
+}
+
+downloadCore();