@terminus/ngx-tools
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20 lines • 2.47 kB
JavaScript
import { NgChangeObjectValueParser } from '../ngchange-object-value-parser/ngchange-object-value-parser';
/**
* Helper function to determine if a specific value has changed
*
* @param changes - The object of changes
* @param path - The object path in question
* @returns True if the value has changed
*
* @example
* inputHasChanged(changesObject, 'myInputName')
*/
export function inputHasChanged(changes, path) {
if (!changes || !path) {
return undefined;
}
var oldValue = NgChangeObjectValueParser.getOldValue(changes, path);
var newValue = NgChangeObjectValueParser.getNewValue(changes, path);
return oldValue !== newValue;
}
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