payload-is/lib/esm/key.js

A comprehensive TypeScript/JavaScript type checking library providing functions to check data types, collections, primitives, and built-in objects

import { isNumber } from './number.js';
import { isObject } from './object.js';
import { isString } from './string.js';
import { isSymbol } from './symbol.js';
import './type.js';

function isWeakKey(payload) {
  return isObject(payload) || isSymbol(payload);
}
function isPropertyKey(payload) {
  return isString(payload) || isNumber(payload) || isSymbol(payload);
}
function enumerableKeys(value) {
  return Reflect.ownKeys(value).filter((key) => {
    const desc = Object.getOwnPropertyDescriptor(value, key);
    return desc && desc.enumerable;
  });
}

export { enumerableKeys, isPropertyKey, isWeakKey };
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