fix: enable error catching for wasm module (#10)

* wip: testing error catching

* chore: version update

* chore: add mocha test boilerplate

* chore: fix linter

.eslintrc

@@ -28,6 +28,7 @@
     "node_modules",
     "build",
     "test-build",
+    "dev-build",
     "wasm",
     "utils",
     "webpack.config.js",

.mocharc.json

@@ -0,0 +1,11 @@
+{
+  "extension": [
+    "ts"
+  ],
+  "spec": "tests/**/*.ts",
+  "require": [
+    "ts-node/register",
+    "source-map-support/register"
+  ],
+  "recursive": true
+}

package.json

@@ -1,6 +1,6 @@
 {
   "name": "tlsn-js",
-  "version": "v0.1.0-alpha.3-rc1",
+  "version": "v0.1.0-alpha.3-rc2",
   "description": "",
   "repository": "https://github.com/tlsnotary/tlsn-js",
   "main": "build/index.js",
@@ -23,12 +23,15 @@
     "dev": "concurrently npm:watch:dev npm:serve:dev",
     "lint:eslint": "eslint . --fix",
     "lint:tsc": "tsc --noEmit",
-    "lint": "concurrently npm:lint:tsc npm:lint:eslint"
+    "lint": "concurrently npm:lint:tsc npm:lint:eslint",
+    "test": "TS_NODE_COMPILER_OPTIONS='{\"module\": \"commonjs\" }' mocha -r ts-node/register 'test/test.ts'"
   },
   "dependencies": {
     "comlink": "^4.4.1"
   },
   "devDependencies": {
+    "@types/expect": "^24.3.0",
+    "@types/mocha": "^10.0.6",
     "@typescript-eslint/eslint-plugin": "^6.15.0",
     "browserify": "^17.0.0",
     "concurrently": "^5.1.0",
@@ -42,12 +45,15 @@
     "html-webpack-plugin": "~5.3.2",
     "https-browserify": "^1.0.0",
     "image-webpack-loader": "^6.0.0",
+    "mocha": "^10.2.0",
     "node-loader": "^0.6.0",
     "prettier": "^3.0.2",
     "process": "^0.11.10",
     "serve": "14.2.1",
     "stream-browserify": "^3.0.0",
     "ts-loader": "^6.2.1",
+    "ts-mocha": "^10.0.0",
+    "ts-node": "^10.9.2",
     "typescript": "^4.9.3",
     "webpack": "^5.75.0",
     "webpack-cli": "^5.0.0",

src/tlsn.ts

@@ -5,7 +5,6 @@ export default class TLSN {
   private resolveStart: any;
 
   constructor() {
-    console.log('worker module initiated.');
     this.startPromise = new Promise((resolve) => {
       this.resolveStart = resolve;
     });
@@ -13,13 +12,14 @@ export default class TLSN {
   }
 
   async start() {
-    console.log('start');
+    // console.log('start');
     const numConcurrency = navigator.hardwareConcurrency;
-    console.log('!@# navigator.hardwareConcurrency=', numConcurrency);
-    const res = await init();
-    console.log('!@# res.memory=', res.memory);
+    // console.log('!@# navigator.hardwareConcurrency=', numConcurrency);
+    await init();
+    // const res = await init();
+    // console.log('!@# res.memory=', res.memory);
     // 6422528 ~= 6.12 mb
-    console.log('!@# res.memory.buffer.length=', res.memory.buffer.byteLength);
+    // console.log('!@# res.memory.buffer.length=', res.memory.buffer.byteLength);
     await initThreadPool(numConcurrency);
     this.resolveStart();
   }
@@ -41,37 +41,32 @@ export default class TLSN {
       secretResps?: string[];
     },
   ) {
-    try {
-      await this.waitForStart();
-      console.log('worker', url, {
+    await this.waitForStart();
+    // console.log('worker', url, {
+    //   ...options,
+    //   notaryUrl: options?.notaryUrl,
+    //   websocketProxyUrl: options?.websocketProxyUrl,
+    // });
+    const resProver = await prover(
+      url,
+      {
         ...options,
         notaryUrl: options?.notaryUrl,
         websocketProxyUrl: options?.websocketProxyUrl,
-      });
-      const resProver = await prover(
-        url,
-        {
-          ...options,
-          notaryUrl: options?.notaryUrl,
-          websocketProxyUrl: options?.websocketProxyUrl,
-        },
-        options?.secretHeaders || [],
-        options?.secretResps || [],
-      );
-      const resJSON = JSON.parse(resProver);
-      console.log('!@# resProver,resJSON=', { resProver, resJSON });
-      console.log('!@# resAfter.memory=', resJSON.memory);
-      // 1105920000 ~= 1.03 gb
-      console.log(
-        '!@# resAfter.memory.buffer.length=',
-        resJSON.memory?.buffer?.byteLength,
-      );
+      },
+      options?.secretHeaders || [],
+      options?.secretResps || [],
+    );
+    const resJSON = JSON.parse(resProver);
+    // console.log('!@# resProver,resJSON=', { resProver, resJSON });
+    // console.log('!@# resAfter.memory=', resJSON.memory);
+    // 1105920000 ~= 1.03 gb
+    // console.log(
+    //   '!@# resAfter.memory.buffer.length=',
+    //   resJSON.memory?.buffer?.byteLength,
+    // );
 
-      return resJSON;
-    } catch (e: any) {
-      console.log(e);
-      return e;
-    }
+    return resJSON;
   }
 
   async verify(proof: any, pubkey: string) {

test/test.ts

@@ -0,0 +1,10 @@
+import * as assert from 'assert';
+import { describe, it } from 'mocha';
+
+describe('Array', function () {
+  describe('#indexOf()', function () {
+    it('should return -1 when the value is not present', function () {
+      assert.equal([1, 2, 3].indexOf(4), -1);
+    });
+  });
+});

tsconfig.json

@@ -1,6 +1,7 @@
 {
   "compilerOptions": {
     "baseUrl": ".",
+    "module": "esnext",
     "target": "es5",
     "lib": ["dom", "dom.iterable", "esnext"],
     "allowJs": true,
@@ -9,7 +10,6 @@
     "allowSyntheticDefaultImports": true,
     "strict": true,
     "forceConsistentCasingInFileNames": true,
-    "module": "esnext",
     "moduleResolution": "node",
     "resolveJsonModule": true,
     "isolatedModules": true,