react-native-audio-api/lib/commonjs/AudioAPIModule/AudioAPIModule.js

react-native-audio-api provides system for controlling audio in React Native environment compatible with Web Audio API specification

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _specs = require("../specs");
var _errors = require("../errors");
var _gte = _interopRequireDefault(require("semver/functions/gte"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
class AudioAPIModule {
  #workletsModule_ = null;
  #canUseWorklets_ = false;
  #workletsVersion = 'unknown';
  #workletsAvailable_ = false;
  static MIN_WORKLETS_VERSION = '0.6.0';
  constructor() {
    // Important! Verify and import worklets first
    // otherwise the native module installation might crash
    // if react-native-worklets is not imported before audio-api
    this.#verifyWorklets();
    if (this.#verifyInstallation()) {
      return;
    }
    if (!_specs.NativeAudioAPIModule) {
      throw new _errors.AudioApiError(`Failed to install react-native-audio-api: The native module could not be found.`);
    }
    _specs.NativeAudioAPIModule.install();
  }
  #verifyWorklets() {
    try {
      const workletsPackage = require('react-native-worklets');
      const workletsPackageJson = require('react-native-worklets/package.json');
      this.#workletsVersion = workletsPackageJson.version;
      this.#workletsAvailable_ = true;
      this.#canUseWorklets_ = (0, _gte.default)(this.#workletsVersion, AudioAPIModule.MIN_WORKLETS_VERSION);
      if (this.#canUseWorklets_) {
        this.#workletsModule_ = workletsPackage;
      }
      return this.#canUseWorklets_;
    } catch {
      this.#canUseWorklets_ = false;
      return false;
    }
  }
  #verifyInstallation() {
    return globalThis.createAudioContext != null && globalThis.createOfflineAudioContext != null && globalThis.createAudioRecorder != null && globalThis.createAudioBuffer != null && globalThis.createAudioDecoder != null && globalThis.createAudioFileUtils != null && globalThis.AudioEventEmitter != null;
  }
  get workletsModule() {
    return this.#workletsModule_;
  }

  /**
   * Indicates whether react-native-worklets are installed in matching version,
   * for usage with react-native-audio-api.
   */
  get canUseWorklets() {
    return this.#canUseWorklets_;
  }

  /** Returns the installed worklets version or 'unknown'. */
  get workletsVersion() {
    return this.#workletsVersion;
  }

  /**
   * Indicates whether react-native-worklets are installed, regardless of
   * version support. Useful for asserting compatibility.
   */
  get areWorkletsAvailable() {
    return this.#workletsAvailable_;
  }

  /**
   * Indicates whether the installed react-native-worklets version is supported.
   * Useful for asserting compatibility.
   */
  get isWorkletsVersionSupported() {
    // Note: if areWorkletsAvailable is true, canUseWorklets is equivalent to version check
    return this.#canUseWorklets_;
  }

  /** Returns the range of supported worklets versions. */
  get supportedWorkletsVersion() {
    return [`>=${AudioAPIModule.MIN_WORKLETS_VERSION}`];
  }
  createAudioRuntime() {
    if (!this.#canUseWorklets_) {
      return null;
    }
    return this.#workletsModule_.createWorkletRuntime('AudioWorkletRuntime');
  }
}
var _default = exports.default = new AudioAPIModule();
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