From a3550738ab112d4a66c70b9608a0ad01e69afbbc Mon Sep 17 00:00:00 2001
From: Kwangsoo Yeo <kyeo@picovoice.ai>
Date: Fri, 12 Jul 2024 09:44:09 -0700
Subject: [PATCH] add wasi imports to wasm

---
 package.json | 2 +-
 src/utils.ts | 2 +-
 src/wasm.ts  | 7 ++++++-
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/package.json b/package.json
index c1e2e8f..117a123 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@picovoice/web-utils",
-  "version": "1.4.1",
+  "version": "1.4.2",
   "description": "Picovoice web utility functions",
   "author": "Picovoice",
   "license": "Apache-2.0",
diff --git a/src/utils.ts b/src/utils.ts
index 6f800d7..b15b0c8 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -42,7 +42,7 @@ export function arrayBufferToStringAtIndex(
     indexEnd++;
   }
   const utf8decoder = new TextDecoder('utf-8');
-  return utf8decoder.decode(arrayBuffer.subarray(indexStart, indexEnd));
+  return utf8decoder.decode(arrayBuffer.slice(indexStart, indexEnd));
 }
 
 /**
diff --git a/src/wasm.ts b/src/wasm.ts
index e801ac4..2cb2314 100644
--- a/src/wasm.ts
+++ b/src/wasm.ts
@@ -37,6 +37,7 @@ export type pv_free_type = (ptr: number) => Promise<void>;
  * @param wasm The wasm file in base64 string or stream to public path (i.e. fetch("file.wasm")) to initialize.
  * @param pvError The PvError object to store error details.
  * @param additionalImports Extra WASM imports.
+ * @param wasiImports Addition WASI imports.
  * @returns An object containing the exported functions from WASM.
  */
 export async function buildWasm(
@@ -44,6 +45,7 @@ export async function buildWasm(
   wasm: string | Promise<Response>,
   pvError?: PvError,
   additionalImports: Record<string, any> = {},
+  wasiImports: Record<string, any> = {}
 ): Promise<any> {
   const setInt = (address: number, value: number) => {
     const memoryBufferInt32 = new Int32Array(memory.buffer);
@@ -404,8 +406,11 @@ export async function buildWasm(
       pv_file_seek_wasm: pvFileSeekWasm,
       pv_file_tell_wasm: pvFileTellWasm,
       pv_file_remove_wasm: pvFileRemoveWasm,
-      ...additionalImports
+      ...additionalImports,
     },
+    wasi: {
+      ...wasiImports,
+    }
   };
 
   let instance: WebAssembly.Instance;