chore: generate sdk into packages/sdk

packages/sdk/scripts/utils/check-version.cjs

@@ -0,0 +1,20 @@
+const fs = require('fs');
+const path = require('path');
+
+const main = () => {
+  const pkg = require('../../package.json');
+  const version = pkg['version'];
+  if (!version) throw 'The version property is not set in the package.json file';
+  if (typeof version !== 'string') {
+    throw `Unexpected type for the package.json version field; got ${typeof version}, expected string`;
+  }
+
+  const versionFile = path.resolve(__dirname, '..', '..', 'src', 'version.ts');
+  const contents = fs.readFileSync(versionFile, 'utf8');
+  const output = contents.replace(/(export const VERSION = ')(.*)(')/g, `$1${version}$3`);
+  fs.writeFileSync(versionFile, output);
+};
+
+if (require.main === module) {
+  main();
+}