Tone.js/Tone/signal/Zero.ts
Yotam Mann aaf880c925
Using web-test-runner for tests, updating import paths (#1242)
* WIP moving tests to web-test-runner

* updating thresholds

* Adding file extensions

* Testing integrations

* linting

* fixing dep

* moving back to root dir

* prettier all of the files

* updating eslint rules to use with prettier

* remove import package

* moving tsignore around

* removing unneeded ignores

* all tests run on puppeteer, no need for testing guards

* linting

* import type syntax

* cleaning up

* Update package.json
2024-05-03 14:31:14 -04:00

50 lines
1.1 KiB
TypeScript

import { Gain } from "../core/context/Gain.js";
import {
connect,
disconnect,
ToneAudioNodeOptions,
} from "../core/context/ToneAudioNode.js";
import { optionsFromArguments } from "../core/util/Defaults.js";
import { SignalOperator } from "./SignalOperator.js";
/**
* Tone.Zero outputs 0's at audio-rate. The reason this has to be
* it's own class is that many browsers optimize out Tone.Signal
* with a value of 0 and will not process nodes further down the graph.
* @category Signal
*/
export class Zero extends SignalOperator<ToneAudioNodeOptions> {
readonly name: string = "Zero";
/**
* The gain node which connects the constant source to the output
*/
private _gain = new Gain({ context: this.context });
/**
* Only outputs 0
*/
output = this._gain;
/**
* no input node
*/
input = undefined;
constructor(options?: Partial<ToneAudioNodeOptions>);
constructor() {
super(
Object.assign(optionsFromArguments(Zero.getDefaults(), arguments))
);
connect(this.context.getConstant(0), this._gain);
}
/**
* clean up
*/
dispose(): this {
super.dispose();
disconnect(this.context.getConstant(0), this._gain);
return this;
}
}