@hyext-beyond/hy-ui-native/dist/modules/createSound/index.web.js

A native lib polyfill for huya miniapp

function once(cb) {
  var flag = false;
  return function () {
    if (flag) return;
    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }
    cb.apply(this, args);
    flag = true;
  };
}
function initEvent(vm, cb) {
  vm.audio.oncanplay = once(function () {
    cb(null);
  });
  vm.audio.onerror = once(function (e) {
    cb(e);
  });
  vm.audio.onended = function () {
    vm._processLoop();
    vm.onEnd && vm.onEnd(true);
  };
}
function initElm(vm, src) {
  vm.audio = document.createElement('audio');
  vm.audio.control = false;
  vm.audio.src = src;
  document.body.appendChild(vm.audio);
}
function removeElm(vm) {
  if (vm.audio) {
    document.body.removeChild(vm.audio);
    vm.audio = null;
  }
}

// 音源地址
// 初始化成功回调
var Sound = /*#__PURE__*/function () {
  function Sound(src, canPlayCb) {
    var _this = this;
    this.loopCount = 0;
    this.onEnd = void 0;
    this.play = function (cb, onError) {
      _this.onEnd = cb;
      var promise = _this.audio.play();
      if (promise !== undefined) {
        promise.then(function (_) {
          // Autoplay started!
        })["catch"](function (error) {
          onError && onError(error);
        });
      }
    };
    this.pause = function () {
      _this.audio.pause();
    };
    this.stop = function (cb) {
      _this.audio.pause();
      _this.audio.currentTime = 0;
      cb();
    };
    this.release = function () {
      _this.pause();
      setTimeout(function () {
        removeElm(_this);
      });
    };
    initElm(this, src);
    initEvent(this, canPlayCb);
  }
  var _proto = Sound.prototype;
  _proto._processLoop = function _processLoop() {
    var loopCount = this.loopCount;
    loopCount = --loopCount;
    if (loopCount > 0) {
      this.audio.currentTime = 0;
      this.audio.play();
      this.loopCount = loopCount;
    }
  };
  _proto.setVolume = function setVolume(v) {
    if (isNaN(v)) throw new TypeError('args[0] must be a number');
    this.audio.volume = v;
  };
  _proto.setPan = function setPan() {
    console.warn('web暂时不支持setPan方法');
  };
  _proto.setCategory = function setCategory() {
    console.warn('web暂时不支持setCategory方法');
  };
  _proto.setNumberOfLoops = function setNumberOfLoops(v) {
    if (isNaN(v)) throw new TypeError('args[0] must be a number');
    this.loopCount = v;
  };
  _proto.setCurrentTime = function setCurrentTime(v) {
    if (isNaN(v)) throw new TypeError('args[0] must be a number');
    this.audio.currentTime = v;
  };
  _proto.getVolume = function getVolume() {
    return this.audio.volume;
  };
  _proto.getPan = function getPan() {
    console.warn('web暂时不支持getPan方法');
  };
  _proto.getNumberOfLoops = function getNumberOfLoops() {
    return this.loopCount;
  };
  _proto.getCurrentTime = function getCurrentTime(cb) {
    cb(this.audio.currentTime);
  };
  return Sound;
}();
export var createSound = function createSound(src, cb) {
  return new Sound(src, cb);
};
export default createSound;