23 lines
440 B
TypeScript
23 lines
440 B
TypeScript
export class TrackedProperty<T> {
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private trackedValue?:T;
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private updateCallback?:(value:T) => void;
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constructor(initialValue?:T) {
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this.trackedValue = initialValue;
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}
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public set OnChange(value:() => void) {
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this.updateCallback = value;
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}
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public get Value() {
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return this.trackedValue;
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}
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public set Value(value) {
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this.trackedValue = value;
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if (this.updateCallback && value) {
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this.updateCallback(value);
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}
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}
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} |