Functional component for a modern approach

index.fc.ts

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+import {useState} from 'react';
+import type {EmitterSubscription} from 'react-native';
+import {
+  DeviceEventEmitter,
+  NativeEventEmitter,
+  NativeModules,
+  Platform,
+} from 'react-native';
+import {AudioSet, PlayBackType, RecordBackType, Status, pad} from './types';
+
+const {RNAudioRecorderPlayer} = NativeModules;
+export function AudioRecorderPlayerFC() {
+  const [isRecording, setIsRecording] = useState(false);
+  const [isPlaying, setIsPlaying] = useState(false);
+  const [hasPaused, setHasPaused] = useState(false);
+  const [hasPausedRecord, setHasPausedRecord] = useState(false);
+  const [isStopped, setIsStopped] = useState(false);
+
+  const [recorderSubscription, setRecorderSubscription] =
+    useState<EmitterSubscription | null>(null);
+  const [playerSubscription, setPlayerSubscription] =
+    useState<EmitterSubscription | null>(null);
+  const [_playerCallback, setPlayerCallback] = useState<
+    ((event: PlayBackType) => void) | null
+  >(null);
+
+  const mmss = (secs: number): string => {
+    let minutes = Math.floor(secs / 60);
+
+    secs = secs % 60;
+    minutes = minutes % 60;
+
+    return pad(minutes) + ':' + pad(secs);
+  };
+
+  const mmssss = (milisecs: number): string => {
+    const secs = Math.floor(milisecs / 1000);
+    const minutes = Math.floor(secs / 60);
+    const seconds = secs % 60;
+    const miliseconds = Math.floor((milisecs % 1000) / 10);
+
+    return pad(minutes) + ':' + pad(seconds) + ':' + pad(miliseconds);
+  };
+
+  /**
+   * Set listerner from native module for recorder.
+   * @returns {callBack((e: RecordBackType): void)}
+   */
+
+  const addRecordBackListener = (
+    callback: (recordingMeta: RecordBackType) => void,
+  ): void => {
+    if (Platform.OS === 'android') {
+      setRecorderSubscription(
+        DeviceEventEmitter.addListener('rn-recordback', callback),
+      );
+    } else {
+      const myModuleEvt = new NativeEventEmitter(RNAudioRecorderPlayer);
+      setRecorderSubscription(
+        myModuleEvt.addListener('rn-recordback', callback),
+      );
+    }
+  };
+
+  /**
+   * Remove listener for recorder.
+   * @returns {void}
+   */
+  const removeRecordBackListener = (): void => {
+    if (recorderSubscription) {
+      recorderSubscription.remove();
+      setRecorderSubscription(null);
+    }
+  };
+
+  /**
+   * Set listener from native module for player.
+   * @returns {callBack((e: PlayBackType): void)}
+   */
+  const addPlayBackListener = (
+    callback: (playbackMeta: PlayBackType) => void,
+  ): void => {
+    setPlayerCallback(callback);
+  };
+
+  /**
+   * remove listener for player.
+   * @returns {void}
+   */
+  const removePlayBackListener = (): void => {
+    setPlayerCallback(null);
+  };
+
+  /**
+   * start recording with param.
+   * @param {string} uri audio uri.
+   * @returns {Promise<string>}
+   */
+  const startRecorder = async (
+    uri?: string,
+    audioSets?: AudioSet,
+    meteringEnabled?: boolean,
+  ): Promise<string> => {
+    if (!isRecording) {
+      setIsRecording(true);
+
+      try {
+        return await RNAudioRecorderPlayer.startRecorder(
+          uri ?? 'DEFAULT',
+          audioSets,
+          meteringEnabled ?? false,
+        );
+      } catch (error: any) {
+        setIsRecording(false);
+        throw error;
+      }
+    }
+
+    return 'Already recording';
+  };
+
+  /**
+   * Pause recording.
+   * @returns {Promise<string>}
+   */
+  const pauseRecorder = async (): Promise<string> => {
+    if (!hasPausedRecord) {
+      setHasPausedRecord(true);
+
+      return RNAudioRecorderPlayer.pauseRecorder();
+    }
+
+    return 'Already paused recording.';
+  };
+
+  /**
+   * Resume recording.
+   * @returns {Promise<string>}
+   */
+  const resumeRecorder = async (): Promise<string> => {
+    if (hasPausedRecord) {
+      setHasPausedRecord(false);
+
+      return RNAudioRecorderPlayer.resumeRecorder();
+    }
+
+    return 'Currently recording.';
+  };
+
+  /**
+   * stop recording.
+   * @returns {Promise<string>}
+   */
+  const stopRecorder = async (): Promise<string> => {
+    if (isRecording) {
+      setIsRecording(false);
+      setHasPausedRecord(false);
+      setIsStopped(true);
+      return RNAudioRecorderPlayer.stopRecorder();
+    }
+
+    return 'Already stopped';
+  };
+
+  /**
+   * Resume playing.
+   * @returns {Promise<string>}
+   */
+  const resumePlayer = async (): Promise<string> => {
+    if (!isPlaying) {
+      return 'No audio playing';
+    }
+
+    if (hasPaused) {
+      setHasPaused(false);
+
+      return RNAudioRecorderPlayer.resumePlayer();
+    }
+
+    return 'Already playing';
+  };
+
+  const playerCallback = (event: PlayBackType): void => {
+    if (_playerCallback) {
+      _playerCallback(event);
+    }
+
+    if (event.isFinished) {
+      stopPlayer();
+    }
+  };
+
+  /**
+   * Start playing with param.
+   * @param {string} uri audio uri.
+   * @param {Record<string, string>} httpHeaders Set of http headers.
+   * @returns {Promise<string>}
+   */
+  const startPlayer = async (
+    uri?: string,
+    httpHeaders?: Record<string, string>,
+  ): Promise<string> => {
+    if (!uri) {
+      uri = 'DEFAULT';
+    }
+
+    if (!playerSubscription) {
+      if (Platform.OS === 'android') {
+        setPlayerSubscription(
+          DeviceEventEmitter.addListener('rn-playback', playerCallback),
+        );
+      } else {
+        const myModuleEvt = new NativeEventEmitter(RNAudioRecorderPlayer);
+
+        setPlayerSubscription(
+          myModuleEvt.addListener('rn-playback', playerCallback),
+        );
+      }
+    }
+
+    if (!isPlaying || hasPaused) {
+      setIsPlaying(true);
+      setHasPaused(false);
+
+      return RNAudioRecorderPlayer.startPlayer(uri, httpHeaders);
+    }
+    return `Playing out of sync: playing: ${isPlaying}, paused: ${hasPaused}, subscription: ${playerSubscription}`;
+  };
+
+  /**
+   * Stop playing.
+   * @returns {Promise<string>}
+   */
+  const stopPlayer = async (): Promise<string> => {
+    if (isPlaying) {
+      setIsPlaying(false);
+      setHasPaused(false);
+
+      return RNAudioRecorderPlayer.stopPlayer();
+    }
+
+    return 'Already stopped playing';
+  };
+
+  /**
+   * Pause playing.
+   * @returns {Promise<string>}
+   */
+  const pausePlayer = async (): Promise<string> => {
+    if (!isPlaying) {
+      return 'No audio playing';
+    }
+
+    if (!hasPaused) {
+      setHasPaused(true);
+
+      return RNAudioRecorderPlayer.pausePlayer();
+    }
+    return `Pausing out of sync: playing: ${isPlaying}, paused: ${hasPaused}`;
+  };
+
+  /**
+   * Seek to.
+   * @param {number} time position seek to in millisecond.
+   * @returns {Promise<string>}
+   */
+  const seekToPlayer = async (time: number): Promise<string> => {
+    return RNAudioRecorderPlayer.seekToPlayer(time);
+  };
+
+  /**
+   * Set volume.
+   * @param {number} setVolume set volume.
+   * @returns {Promise<string>}
+   */
+  const setVolume = async (volume: number): Promise<string> => {
+    if (volume < 0 || volume > 1) {
+      throw new Error('Value of volume should be between 0.0 to 1.0');
+    }
+
+    return RNAudioRecorderPlayer.setVolume(volume);
+  };
+
+  /**
+   * Set playback speed.
+   * @param {number} setPlaybackSpeed set playback speed.
+   * @returns {Promise<string>}
+   */
+  const setPlaybackSpeed = async (playbackSpeed: number): Promise<string> => {
+    return RNAudioRecorderPlayer.setPlaybackSpeed(playbackSpeed);
+  };
+
+  /**
+   * Set subscription duration. Default is 0.5.
+   * @param {number} sec subscription callback duration in seconds.
+   * @returns {Promise<string>}
+   */
+  const setSubscriptionDuration = async (sec: number): Promise<string> => {
+    return RNAudioRecorderPlayer.setSubscriptionDuration(sec);
+  };
+
+  const getStatus = (): Status => {
+    return {
+      isPlaying,
+      isRecording,
+      hasPaused,
+      hasPausedRecord,
+      isStopped,
+    };
+  };
+  return {
+    getStatus,
+    setSubscriptionDuration,
+    setPlaybackSpeed,
+    setVolume,
+    seekToPlayer,
+    pausePlayer,
+    stopPlayer,
+    mmssss,
+    mmss,
+    addRecordBackListener,
+    startPlayer,
+    playerCallback,
+    stopRecorder,
+    resumePlayer,
+    resumeRecorder,
+    pauseRecorder,
+    removePlayBackListener,
+    startRecorder,
+    addPlayBackListener,
+    removeRecordBackListener,
+  };
+}