Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | 7x 18x 16x 6x 10x 5x 5x 3x 2x | /** * Checks if a value is considered empty. * Supports strings, arrays, objects, maps, and sets. * * @param value - The value to check. * @returns `true` if the value is empty, `false` otherwise. * * @example * isEmpty(''); // true * isEmpty([]); // true * isEmpty({}); // true * isEmpty([1]); // false */ export function isEmpty(value: any): boolean { if (value == null) return true; if (typeof value === 'string' || Array.isArray(value)) { return value.length === 0; } if (value instanceof Map || value instanceof Set) { return value.size === 0; } if (typeof value === 'object') { return Object.keys(value).length === 0; } return false; } |