led-matrix-ts
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Highly customizable led matrix for the browser
141 lines (140 loc) • 4.42 kB
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<title>Code coverage report for utils/event.ts</title>
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<a href="../index.html">All files</a> / <a href="index.html">utils</a> event.ts
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<span class="strong">75% </span>
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<span class="strong">71.43% </span>
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<span class="strong">83.33% </span>
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26</td><td class="line-coverage quiet"><span class="cline-any cline-neutral"> </span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">type Handler<T> = (data?: T) => void;
export interface IEvent<T> {
on(handler: Handler<T>) : void;
off(handler: Handler<T>) : void;
}
export class Event<T> implements IEvent<T> {
private handlers: Handler<T>[] = [];
public on(handler: Handler<T>) : void {
this.handlers.push(handler);
}
public <span class="fstat-no" title="function not covered" >off</span>(handler: Handler<T>) : void {
<span class="cstat-no" title="statement not covered" > this.handlers = this.handlers.filter(<span class="fstat-no" title="function not covered" >h </span>=> <span class="cstat-no" title="statement not covered" >h !== handler)</span>;</span>
}
public trigger(data?: T) {
this.handlers.slice(0).forEach(h => h(data));
}
public expose() : IEvent<T> {
return this;
}
}</pre></td></tr>
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Code coverage
generated by <a href="https://istanbul.js.org/" target="_blank">istanbul</a> at Fri Nov 23 2018 15:09:41 GMT-0500 (EST)
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