@c8y/ngx-components
Version:
Angular modules for Cumulocity IoT applications
18 lines • 2.25 kB
JavaScript
import { memoize as _memoize } from 'lodash-es';
/**
* Decorator to memoize function results.
* @param resolver Cache key resolver function, used by memoize from lodash.
*/
export function memoize(resolver) {
return (target, fnName, descriptor) => {
const fn = descriptor.value;
descriptor.value = function (...args) {
const memoizedFnName = `_${fnName}Memoized`;
if (!this[memoizedFnName]) {
this[memoizedFnName] = _memoize(fn, resolver);
}
return this[memoizedFnName](...args);
};
};
}
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