fix(jslib): ✨ allow initialization of wasm via wasm modules

tools/upend_js/api.ts

@@ -19,6 +19,7 @@ import {
   AddressTypeConstants,
   addr_to_components,
   components_to_addr,
+  InitInput,
 } from "upend_wasm";
 import debug from "debug";
 const dbg = debug("upend:api");
@@ -27,19 +28,17 @@ export { AddressComponents };
 
 export class UpEndApi {
   private instanceUrl = "";
-
-  private wasmPath: string | undefined;
+  private wasmInit: InitInput | undefined;
   private wasmInitialized = false;
-  private wasmPromise: Promise<unknown> | undefined;
   private addressTypeConstants: AddressTypeConstants | undefined = undefined;
 
   private queryOnceLRU = new LRU<string, UpListing>({ max: 128 });
   private inFlightRequests: { [key: string]: Promise<UpListing> | null } = {};
 
-  constructor(instanceUrl = "", wasmPath?: string) {
+  constructor(instanceUrl = "", wasmInit?: InitInput) {
     this.setInstanceUrl(instanceUrl);
-    if (wasmPath) {
-      this.setWasmPath(wasmPath);
+    if (wasmInit) {
+      this.setWasmInit(wasmInit);
     }
   }
 
@@ -47,8 +46,8 @@ export class UpEndApi {
     this.instanceUrl = apiUrl.replace(/\/+$/g, "");
   }
 
-  public setWasmPath(wasmPath: string) {
-    this.wasmPath = wasmPath;
+  public setWasmInit(wasmInit: InitInput) {
+    this.wasmInit = wasmInit;
   }
 
   public get apiUrl() {
@@ -115,13 +114,7 @@ export class UpEndApi {
     value: IValue,
     provenance?: string
   ): Promise<Address> {
-    dbg(
-      "Putting %s = %o for %s%s",
-      attribute,
-      value,
-      entity,
-      provenance ? ` (Provenance: ${provenance})` : ""
-    );
+    dbg("Putting %s = %o for %s (%s)", attribute, value, entity, provenance);
     let url = `${this.apiUrl}/obj/${entity}/${attribute}`;
     if (provenance) {
       url += `?provenance=${provenance}`;
@@ -268,20 +261,12 @@ export class UpEndApi {
 
   private async initWasm(): Promise<void> {
     if (!this.wasmInitialized) {
-      if (!this.wasmPath) {
+      if (!this.wasmInit) {
         throw new Error(
-          "Path to WASM file not specified, cannot initialize WASM extensions."
+          "WASM init not specified, cannot initialize WASM extensions."
         );
       }
-      if (this.wasmPromise) {
-        await this.wasmPromise;
-      } else {
-        dbg("Initializing WASM...");
-        this.wasmPromise = init_wasm(this.wasmPath);
-        await this.wasmPromise;
-        dbg("Wasm initialized.");
-      }
-
+      await init_wasm(this.wasmInit);
       this.wasmInitialized = true;
     }
   }