node-web-audio-api/js/ChannelSplitterNode.js

Web Audio API implementation for Node.js

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/* eslint-disable no-unused-vars */
import conversions from 'webidl-conversions';

import nativeBinding from '../load-native.js';
import {
  toSanitizedSequence,
} from './lib/cast.js';
import {
  isFunction,
  kEnumerableProperty,
} from './lib/utils.js';
import {
  throwSanitizedError,
} from './lib/errors.js';
import {
  kNapiObj,
  kAudioBuffer,
} from './lib/symbols.js';

import {
  AudioParam,
} from './AudioParam.js';
import {
  AudioBuffer,
} from './AudioBuffer.js';
import {
  PeriodicWave,
} from './PeriodicWave.js';

import {
  BaseAudioContext,
} from './BaseAudioContext.js';

/* eslint-enable no-unused-vars */

import {
  AudioNode,
} from './AudioNode.js';

export class ChannelSplitterNode extends AudioNode {

  constructor(context, options) {

    if (arguments.length < 1) {
      throw new TypeError(`Failed to construct 'ChannelSplitterNode': 1 argument required, but only ${arguments.length} present`);
    }

    if (!(context instanceof BaseAudioContext)) {
      throw new TypeError(`Failed to construct 'ChannelSplitterNode': argument 1 is not of type BaseAudioContext`);
    }

    const parsedOptions = {};

    if (options && typeof options !== 'object') {
      throw new TypeError('Failed to construct \'ChannelSplitterNode\': argument 2 is not of type \'ChannelSplitterOptions\'');
    }

    if (options && options.numberOfOutputs !== undefined) {
      parsedOptions.numberOfOutputs = conversions['unsigned long'](options.numberOfOutputs, {
        enforceRange: true,
        context: `Failed to construct 'ChannelSplitterNode': Failed to read the 'numberOfOutputs' property from ChannelSplitterOptions: The provided value (${options.numberOfOutputs}})`,
      });
    } else {
      parsedOptions.numberOfOutputs = 6;
    }

    if (options && options.channelCount !== undefined) {
      parsedOptions.channelCount = conversions['unsigned long'](options.channelCount, {
        enforceRange: true,
        context: `Failed to construct 'ChannelSplitterNode': Failed to read the 'channelCount' property from ChannelSplitterOptions: The provided value '${options.channelCount}'`,
      });
    }

    if (options && options.channelCountMode !== undefined) {
      parsedOptions.channelCountMode = conversions['DOMString'](options.channelCountMode, {
        context: `Failed to construct 'ChannelSplitterNode': Failed to read the 'channelCount' property from ChannelSplitterOptions: The provided value '${options.channelCountMode}'`,
      });
    }

    if (options && options.channelInterpretation !== undefined) {
      parsedOptions.channelInterpretation = conversions['DOMString'](options.channelInterpretation, {
        context: `Failed to construct 'ChannelSplitterNode': Failed to read the 'channelInterpretation' property from ChannelSplitterOptions: The provided value '${options.channelInterpretation}'`,
      });
    }

    let napiObj;

    try {
      napiObj = new nativeBinding.NapiChannelSplitterNode(context[kNapiObj], parsedOptions);
    } catch (err) {
      throwSanitizedError(err);
    }

    super(context, {
      [kNapiObj]: napiObj,
    });

  }

}

Object.defineProperties(ChannelSplitterNode, {
  length: {
    __proto__: null,
    writable: false,
    enumerable: false,
    configurable: true,
    value: 1,
  },
});

Object.defineProperties(ChannelSplitterNode.prototype, {
  [Symbol.toStringTag]: {
    __proto__: null,
    writable: false,
    enumerable: false,
    configurable: true,
    value: 'ChannelSplitterNode',
  },

});