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jcamilom/register-on-change.ts

Created September 18, 2020 04:43
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register-on-change.ts
export class MultiCheckFieldComponent implements ControlValueAccessor {
_onChange: (_: any) => void;
registerOnChange(fn: any): void {
this._onChange = fn;
}
private add(value: any): void {
this.selectedValues.push(value);
this._onChange(this.selectedValues);
}
private remove(value: any): void {
const idx = this.selectedValues.findIndex(v => v === value);
if (idx >= 0) {
this.selectedValues.splice(idx, 1);
this._onChange(this.selectedValues);
}
}
...
}
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