Use MemoryHandle type from js-pdk

index.ts

@@ -1,3 +1,5 @@
+import "@extism/js-pdk"
+
 declare const Host: {
   inputBytes: () => void;
   inputString: () => void;
@@ -8,23 +10,15 @@ declare const Host: {
 // @ts-ignore
 const { call, time, assert, group, reset, mock_input } = Host.getFunctions();
 
-interface MemoryHandle {
-  offset: number;
-  length: number;
-  free(): void;
-  readBuffer(): ArrayBuffer;
-  readString(): string;
-}
-
 type Input = string | ArrayBuffer | object;
 
-Host.inputBytes = function () {
+Host.inputBytes = function() {
   throw "Tests do not accept any input";
 };
 
 Host.inputString = Host.inputBytes;
 
-Host.outputBytes = function (n: any) {
+Host.outputBytes = function(n: any) {
   throw "Tests should not return any output";
 };
 
@@ -78,7 +72,7 @@ export class Test {
   // this input is defined in an xtp.toml file, or by the --mock-input-data or --mock-input-file flags.
   static mockInputBuffer(): ArrayBuffer {
     const inputMem = Test.mockInput();
-    const buf = inputMem.readBuffer();
+    const buf = inputMem.readBytes();
     inputMem.free();
     return buf;
   }
@@ -141,7 +135,7 @@ export class Test {
     funcName: string,
     input: Input,
   ): ArrayBuffer {
-    return Test.call(funcName, input).readBuffer();
+    return Test.call(funcName, input).readBytes();
   }
 
   // assert that the `outcome` is true, naming the assertion with `name`, which will be used as a label in the CLI runner. The `reason` argument

package.json

@@ -4,10 +4,13 @@
   "description": "XTP test harness",
   "main": "index.ts",
   "scripts": {
-    "check": "tsc index.ts --noEmit"
+    "check": "tsc --noEmit"
   },
   "author": "Dylibso <[email protected]>",
   "license": "BSD-3-Clause",
+  "devDependencies": {
+    "@extism/js-pdk": "^1.0.1"
+  },
   "dependencies": {
     "typescript": "^5.4.3"
   }

tsconfig.json

@@ -0,0 +1,24 @@
+{
+  "compilerOptions": {
+    "target": "es2020", // Specify ECMAScript target version
+    "module": "commonjs", // Specify module code generation
+    "lib": [
+      "es2020"
+    ], // Specify a list of library files to be included in the compilation
+    "types": [
+      "@extism/js-pdk",
+      "./test.d.ts"
+    ], // Specify a list of type definition files to be included in the compilation
+    "strict": true, // Enable all strict type-checking options
+    "esModuleInterop": true, // Enables compatibility with Babel-style module imports
+    "skipLibCheck": true, // Skip type checking of declaration files
+    "allowJs": true, // Allow JavaScript files to be compiled
+    "noEmit": true // Do not emit outputs (no .js or .d.ts files)
+  },
+  "include": [
+    "*.ts" // Include all TypeScript files in root directory
+  ],
+  "exclude": [
+    "node_modules" // Exclude the node_modules directory
+  ]
+}