From 60167b0c9b34c2f2ec247ac282d4d6aad7db1d31 Mon Sep 17 00:00:00 2001
From: sapphi-red <green@sapphi.red>
Date: Mon, 9 Dec 2019 14:42:12 +0900
Subject: [PATCH] [wasm] Fix 'tfjs_backend_wasm_1.default is not a function'
 refs #1497

---
 tfjs-backend-wasm/src/backend_wasm.ts             | 2 +-
 tfjs-backend-wasm/tsconfig.json                   | 3 ++-
 tfjs-backend-wasm/wasm-out/tfjs-backend-wasm.d.ts | 4 ++--
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/tfjs-backend-wasm/src/backend_wasm.ts b/tfjs-backend-wasm/src/backend_wasm.ts
index c184156aa08..89039f00fea 100644
--- a/tfjs-backend-wasm/src/backend_wasm.ts
+++ b/tfjs-backend-wasm/src/backend_wasm.ts
@@ -18,7 +18,7 @@
 import {backend_util, BackendTimingInfo, DataStorage, DataType, engine, KernelBackend, registerBackend, TensorInfo, util} from '@tensorflow/tfjs-core';
 
 import wasmFactory from '../wasm-out/tfjs-backend-wasm';
-import {BackendWasmModule} from '../wasm-out/tfjs-backend-wasm';
+type BackendWasmModule = ReturnType<typeof wasmFactory>;
 
 const WASM_PRIORITY = 2;
 
diff --git a/tfjs-backend-wasm/tsconfig.json b/tfjs-backend-wasm/tsconfig.json
index ecb732e2195..060ef917a07 100644
--- a/tfjs-backend-wasm/tsconfig.json
+++ b/tfjs-backend-wasm/tsconfig.json
@@ -7,6 +7,7 @@
     "node_modules/"
   ],
   "compilerOptions": {
-    "outDir": "./dist"
+    "outDir": "./dist",
+    "esModuleInterop": true
   }
 }
diff --git a/tfjs-backend-wasm/wasm-out/tfjs-backend-wasm.d.ts b/tfjs-backend-wasm/wasm-out/tfjs-backend-wasm.d.ts
index 5f287fbe23f..4fa675b1899 100644
--- a/tfjs-backend-wasm/wasm-out/tfjs-backend-wasm.d.ts
+++ b/tfjs-backend-wasm/wasm-out/tfjs-backend-wasm.d.ts
@@ -15,7 +15,7 @@
  * =============================================================================
  */
 
-export interface BackendWasmModule extends EmscriptenModule {
+interface BackendWasmModule extends EmscriptenModule {
   onRuntimeInitialized: () => void;
   // Using the tfjs namespace to avoid conflict with emscripten's API.
   tfjs: {
@@ -29,4 +29,4 @@ export interface BackendWasmModule extends EmscriptenModule {
 }
 
 declare var moduleFactory: () => BackendWasmModule;
-export default moduleFactory;
+export = moduleFactory;