node-web-audio-api
Version:
Web Audio API implementation for Node.js
127 lines (105 loc) • 5.59 kB
JavaScript
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// ╚══╝╚══╝ ╚═╝ ╚═╝╚═╝ ╚═╝╚═╝ ╚═══╝╚═╝╚═╝ ╚═══╝ ╚═════╝ //
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/* eslint-disable no-unused-vars */
const conversions = require('webidl-conversions');
const {
toSanitizedSequence,
} = require('./lib/cast.js');
const {
isFunction,
kEnumerableProperty,
} = require('./lib/utils.js');
const {
throwSanitizedError,
} = require('./lib/errors.js');
const {
kNapiObj,
kAudioBuffer,
} = require('./lib/symbols.js');
/* eslint-enable no-unused-vars */
const AudioNode = require('./AudioNode.js');
module.exports = (jsExport, nativeBinding) => {
class ChannelSplitterNode extends AudioNode {
constructor(context, options) {
if (arguments.length < 1) {
throw new TypeError(`Failed to construct 'ChannelSplitterNode': 1 argument required, but only ${arguments.length} present`);
}
if (!(context instanceof jsExport.BaseAudioContext)) {
throw new TypeError(`Failed to construct 'ChannelSplitterNode': argument 1 is not of type BaseAudioContext`);
}
// parsed version of the option to be passed to NAPI
const parsedOptions = {};
if (options && typeof options !== 'object') {
throw new TypeError('Failed to construct \'ChannelSplitterNode\': argument 2 is not of type \'ChannelSplitterOptions\'');
}
if (options && options.numberOfOutputs !== undefined) {
parsedOptions.numberOfOutputs = conversions['unsigned long'](options.numberOfOutputs, {
enforceRange: true,
context: `Failed to construct 'ChannelSplitterNode': Failed to read the 'numberOfOutputs' property from ChannelSplitterOptions: The provided value (${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.ChannelSplitterNode(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',
},
});
return ChannelSplitterNode;
};