v2.0 node

.github/workflows/nodejs-codestyle.yml

@@ -27,9 +27,6 @@ jobs:
       with:
         node-version: lts/*
 
-    - name: Pre-build dependencies
-      run: npm install yarn
-
     - name: Run Binding Linter
       run: yarn && yarn lint
       working-directory: binding/nodejs

.github/workflows/nodejs-demos.yml

@@ -29,7 +29,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        node-version: [14.x, 16.x, 18.x, 20.x]
+        node-version: [16.x, 18.x, 20.x]
 
     steps:
     - uses: actions/checkout@v3
@@ -39,8 +39,11 @@ jobs:
       with:
         node-version: ${{ matrix.node-version }}
 
-    - name: Pre-build dependencies
-      run: npm install yarn
+    # ************** REMOVE AFTER RELEASE ********************
+    - name: Build Node.js SDK
+      run: yarn && yarn build
+      working-directory: binding/nodejs
+      # ********************************************************
 
     - name: Install dependencies
       run: yarn install
@@ -58,8 +61,11 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
-    - name: Pre-build dependencies
-      run: npm install --global yarn
+    # ************** REMOVE AFTER RELEASE ********************
+    - name: Build Node.js SDK
+      run: yarn && yarn build
+      working-directory: binding/nodejs
+      # ********************************************************
 
     - name: Install dependencies
       run: yarn install

.github/workflows/nodejs-perf.yml

@@ -32,14 +32,14 @@ jobs:
         os: [ubuntu-latest, windows-latest, macos-latest]
         include:
         - os: ubuntu-latest
-          init_performance_threshold_sec: 2.1
-          proc_performance_threshold_sec: 0.5
+          init_performance_threshold_sec: 3.0
+          proc_performance_threshold_sec: 0.75
         - os: windows-latest
-          init_performance_threshold_sec: 2.5
+          init_performance_threshold_sec: 3.0
           proc_performance_threshold_sec: 0.8
         - os: macos-latest
-          init_performance_threshold_sec: 2.3
-          proc_performance_threshold_sec: 0.8
+          init_performance_threshold_sec: 3.5
+          proc_performance_threshold_sec: 4.0
 
     steps:
     - uses: actions/checkout@v3
@@ -49,9 +49,6 @@ jobs:
       with:
         node-version: lts/*
 
-    - name: Pre-build dependencies
-      run: npm install yarn
-
     - name: Install dependencies
       run: yarn install
 
@@ -67,27 +64,24 @@ jobs:
         machine: [rpi3-32, rpi3-64, rpi4-32, rpi4-64, jetson]
         include:
         - machine: rpi3-32
-          init_performance_threshold_sec: 7.5
-          proc_performance_threshold_sec: 3.0
+          init_performance_threshold_sec: 9.0
+          proc_performance_threshold_sec: 8.5
         - machine: rpi3-64
-          init_performance_threshold_sec: 8.5
-          proc_performance_threshold_sec: 3.0
+          init_performance_threshold_sec: 9.0
+          proc_performance_threshold_sec: 7.0
         - machine: rpi4-32
-          init_performance_threshold_sec: 5.7
-          proc_performance_threshold_sec: 2.0
+          init_performance_threshold_sec: 6.2
+          proc_performance_threshold_sec: 4.0
         - machine: rpi4-64
-          init_performance_threshold_sec: 5.1
-          proc_performance_threshold_sec: 1.9
+          init_performance_threshold_sec: 5.5
+          proc_performance_threshold_sec: 3.5
         - machine: jetson
-          init_performance_threshold_sec: 5.0
-          proc_performance_threshold_sec: 2.0
+          init_performance_threshold_sec: 5.5
+          proc_performance_threshold_sec: 4.3
 
     steps:
     - uses: actions/checkout@v3
 
-    - name: Pre-build dependencies
-      run: npm install --global yarn
-
     - name: Install dependencies
       run: yarn install
 

.github/workflows/nodejs.yml

@@ -29,7 +29,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        node-version: [14.x, 16.x, 18.x, 20.x]
+        node-version: [16.x, 18.x, 20.x]
 
     steps:
     - uses: actions/checkout@v3
@@ -39,9 +39,6 @@ jobs:
       with:
         node-version: ${{ matrix.node-version }}
 
-    - name: Pre-build dependencies
-      run: npm install yarn
-
     - name: Install dependencies
       run: yarn install
 
@@ -58,9 +55,6 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
-    - name: Pre-build dependencies
-      run: npm install --global yarn
-
     - name: Install dependencies
       run: yarn install
 

binding/nodejs/README.md

@@ -15,7 +15,7 @@ Cheetah is an on-device streaming speech-to-text engine. Cheetah is:
 
 ## Compatibility
 
-- Node.js 12+
+- Node.js 16+
 - Runs on Linux (x86_64), macOS (x86_64, arm64), Windows (x86_64), Raspberry Pi (4, 3), and NVIDIA Jetson Nano.
 
 ## Installation

binding/nodejs/copy.js

@@ -1,5 +1,5 @@
 //
-// Copyright 2022 Picovoice Inc.
+// Copyright 2022-2023 Picovoice Inc.
 //
 // You may not use this file except in compliance with the license. A copy of the license is located in the "LICENSE"
 // file accompanying this source.
@@ -10,7 +10,7 @@
 //
 "use strict";
 
-const mkdirp = require("mkdirp");
+const { mkdirp } = require("mkdirp");
 const ncp = require("ncp").ncp;
 
 console.log("Copying library files...");

binding/nodejs/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@picovoice/cheetah-node",
-  "version": "1.1.1",
+  "version": "2.0.0",
   "description": "Picovoice Cheetah Node.js binding",
   "main": "dist/index.js",
   "types": "dist/types/index.d.ts",
@@ -39,13 +39,13 @@
   "homepage": "https://picovoice.ai/products/cheetah/",
   "devDependencies": {
     "@types/jest": "^27.4.1",
-    "@types/node": "^17.0.21",
+    "@types/node": "^18.11.9",
     "@typescript-eslint/eslint-plugin": "^5.19.0",
     "@typescript-eslint/parser": "^5.19.0",
     "eslint": "^8.13.0",
     "eslint-plugin-jest": "^27.1.6",
     "jest": "^27.5.1",
-    "mkdirp": "^1.0.4",
+    "mkdirp": "^3.0.1",
     "ncp": "^2.0.0",
     "npm-run-all": "^4.1.5",
     "prettier": "^2.6.2",
@@ -54,7 +54,7 @@
     "wavefile": "^11.0.0"
   },
   "engines": {
-    "node": ">=12.0.0"
+    "node": ">=16.0.0"
   },
   "cpu": [
     "!ia32",

binding/nodejs/src/cheetah.ts

@@ -97,26 +97,28 @@ export default class Cheetah {
     }
 
     const pvCheetah = require(libraryPath); // eslint-disable-line
+    this._pvCheetah = pvCheetah;
 
     let cheetahHandleAndStatus: CheetahHandleAndStatus | null = null;
     try {
+      pvCheetah.set_sdk("nodejs");
+
       cheetahHandleAndStatus = pvCheetah.init(
         accessKey,
         modelPath,
         endpointDurationSec,
         enableAutomaticPunctuation
       );
     } catch (err: any) {
-      pvStatusToException(<PvStatus>err.code, err);
+      pvStatusToException(PvStatus[err.code as keyof typeof PvStatus], err);
     }
 
     const status = cheetahHandleAndStatus!.status;
     if (status !== PvStatus.SUCCESS) {
-      pvStatusToException(status, 'Cheetah failed to initialize');
+      this.handlePvStatus(status, 'Cheetah failed to initialize');
     }
 
     this._handle = cheetahHandleAndStatus!.handle;
-    this._pvCheetah = pvCheetah;
     this._sampleRate = pvCheetah.sample_rate();
     this._frameLength = pvCheetah.frame_length();
     this._version = pvCheetah.version();
@@ -178,12 +180,12 @@ export default class Cheetah {
     try {
       partialTranscriptAndStatus = this._pvCheetah.process(this._handle, pcm);
     } catch (err: any) {
-      pvStatusToException(<PvStatus>err.code, err);
+      pvStatusToException(PvStatus[err.code as keyof typeof PvStatus], err);
     }
 
     const status = partialTranscriptAndStatus!.status;
     if (status !== PvStatus.SUCCESS) {
-      pvStatusToException(status, 'Cheetah failed to process the audio frame');
+      this.handlePvStatus(status, 'Cheetah failed to process the audio frame');
     }
 
     return [
@@ -210,12 +212,12 @@ export default class Cheetah {
     try {
       transcriptAndStatus = this._pvCheetah.flush(this._handle);
     } catch (err: any) {
-      pvStatusToException(<PvStatus>err.code, err);
+      pvStatusToException(PvStatus[err.code as keyof typeof PvStatus], err);
     }
 
     const status = transcriptAndStatus!.status;
     if (status !== PvStatus.SUCCESS) {
-      pvStatusToException(status, 'Cheetah failed to process the audio frame');
+      this.handlePvStatus(status, 'Cheetah failed to flush');
     }
 
     return transcriptAndStatus!.transcript;
@@ -240,4 +242,13 @@ export default class Cheetah {
       console.warn('Cheetah is not initialized');
     }
   }
+
+  private handlePvStatus(status: PvStatus, message: string): void {
+    const errorObject = this._pvCheetah.get_error_stack();
+    if (errorObject.status === PvStatus.SUCCESS) {
+      pvStatusToException(status, message, errorObject.message_stack);
+    } else {
+      pvStatusToException(status, "Unable to get Cheetah error state");
+    }
+  }
 }

binding/nodejs/src/errors.ts

@@ -12,50 +12,82 @@
 
 import PvStatus from './pv_status_t';
 
-export class CheetahError extends Error {}
+export class CheetahError extends Error {
+  private readonly _message: string;
+  private readonly _messageStack: string[];
+
+  constructor(message: string, messageStack: string[] = []) {
+    super(CheetahError.errorToString(message, messageStack));
+    this._message = message;
+    this._messageStack = messageStack;
+  }
+
+  get message(): string {
+    return this._message;
+  }
+
+  get messageStack(): string[] {
+    return this._messageStack;
+  }
+
+  private static errorToString(
+    initial: string,
+    messageStack: string[]
+  ): string {
+    let msg = initial;
+
+    if (messageStack.length > 0) {
+      msg += `: ${messageStack.reduce((acc, value, index) =>
+        acc + '\n  [' + index + '] ' + value, '')}`;
+    }
+
+    return msg;
+  }
+}
 
 export class CheetahOutOfMemoryError extends CheetahError {}
-export class CheetahIoError extends CheetahError {}
+export class CheetahIOError extends CheetahError {}
 export class CheetahInvalidArgumentError extends CheetahError {}
 export class CheetahStopIterationError extends CheetahError {}
 export class CheetahKeyError extends CheetahError {}
 export class CheetahInvalidStateError extends CheetahError {}
 export class CheetahRuntimeError extends CheetahError {}
 export class CheetahActivationError extends CheetahError {}
-export class CheetahActivationLimitReached extends CheetahError {}
-export class CheetahActivationThrottled extends CheetahError {}
-export class CheetahActivationRefused extends CheetahError {}
+export class CheetahActivationLimitReachedError extends CheetahError {}
+export class CheetahActivationThrottledError extends CheetahError {}
+export class CheetahActivationRefusedError extends CheetahError {}
 
 export function pvStatusToException(
   pvStatus: PvStatus,
-  errorMessage: string
+  errorMessage: string,
+  messageStack: string[] = []
 ): CheetahError {
   switch (pvStatus) {
     case PvStatus.OUT_OF_MEMORY:
-      throw new CheetahOutOfMemoryError(errorMessage);
+      throw new CheetahOutOfMemoryError(errorMessage, messageStack);
     case PvStatus.IO_ERROR:
-      throw new CheetahIoError(errorMessage);
+      throw new CheetahIOError(errorMessage, messageStack);
     case PvStatus.INVALID_ARGUMENT:
-      throw new CheetahInvalidArgumentError(errorMessage);
+      throw new CheetahInvalidArgumentError(errorMessage, messageStack);
     case PvStatus.STOP_ITERATION:
-      throw new CheetahStopIterationError(errorMessage);
+      throw new CheetahStopIterationError(errorMessage, messageStack);
     case PvStatus.KEY_ERROR:
-      throw new CheetahKeyError(errorMessage);
+      throw new CheetahKeyError(errorMessage, messageStack);
     case PvStatus.INVALID_STATE:
-      throw new CheetahInvalidStateError(errorMessage);
+      throw new CheetahInvalidStateError(errorMessage, messageStack);
     case PvStatus.RUNTIME_ERROR:
-      throw new CheetahRuntimeError(errorMessage);
+      throw new CheetahRuntimeError(errorMessage, messageStack);
     case PvStatus.ACTIVATION_ERROR:
-      throw new CheetahActivationError(errorMessage);
+      throw new CheetahActivationError(errorMessage, messageStack);
     case PvStatus.ACTIVATION_LIMIT_REACHED:
-      throw new CheetahActivationLimitReached(errorMessage);
+      throw new CheetahActivationLimitReachedError(errorMessage, messageStack);
     case PvStatus.ACTIVATION_THROTTLED:
-      throw new CheetahActivationThrottled(errorMessage);
+      throw new CheetahActivationThrottledError(errorMessage, messageStack);
     case PvStatus.ACTIVATION_REFUSED:
-      throw new CheetahActivationRefused(errorMessage);
+      throw new CheetahActivationRefusedError(errorMessage, messageStack);
     default:
       // eslint-disable-next-line no-console
       console.warn(`Unmapped error code: ${pvStatus}`);
-      throw new CheetahError(errorMessage);
+      throw new CheetahError(errorMessage, messageStack);
   }
 }