rc-js-util
Version:
A collection of TS and C++ utilities to help writing performant and correct applications, achieved through strict typing and (removable) invariant checking.
16 lines • 354 B
JavaScript
/**
* @public
* Does not check value equality, only key. Takes items from A.
*
* See {@link mapIntersect}.
*/
export function mapIntersect(a, b) {
const result = new Map();
a.forEach((item, key) => {
if (b.has(key)) {
result.set(key, item);
}
});
return result;
}
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