1 files changed, 29 insertions, 0 deletions
diff --git a/packages/integrations/cloudflare/src/utils/rewriteWasmImportPath.ts b/packages/integrations/cloudflare/src/utils/rewriteWasmImportPath.ts
new file mode 100644
index 000000000..ada19bb56
--- /dev/null
+++ b/packages/integrations/cloudflare/src/utils/rewriteWasmImportPath.ts
@@ -0,0 +1,29 @@
+import esbuild from 'esbuild';
+import { basename } from 'node:path';
+
+/**
+ *
+ * @param relativePathToAssets - relative path from the final location for the current esbuild output bundle, to the assets directory.
+ */
+export function rewriteWasmImportPath({
+	relativePathToAssets,
+}: {
+	relativePathToAssets: string;
+}): esbuild.Plugin {
+	return {
+		name: 'wasm-loader',
+		setup(build) {
+			build.onResolve({ filter: /.*\.wasm.mjs$/ }, (args) => {
+				const updatedPath = [
+					relativePathToAssets.replaceAll('\\', '/'),
+					basename(args.path).replace(/\.mjs$/, ''),
+				].join('/');
+
+				return {
+					path: updatedPath,
+					external: true, // mark it as external in the bundle
+				};
+			});
+		},
+	};
+}