@bearz/strings/esm/is_space.js

A collection of string utilities to avoid extra allocations and enable case insensitivity comparisons.

/**
 * The is-space module provides functions to check if a string
 * is null, undefined, empty, or only contains whitespace.
 *
 * This module includes the following functions:
 * - `isSpace`: Determines whether the string only contains whitespace.
 * - `isNullOrSpace`: Determines whether the string is null, undefined, empty,
 *   or only contains whitespace.
 * @module
 */
import { isSpaceAt } from "@bearz/chars/is-space";
/**
 * Determines whether the string only contains whitespace.
 * @param s The string to check.
 * @returns `true` if the string only contains whitespace; otherwise, `false`.
 */
export function isSpace(s) {
    for (let i = 0; i < s.length; i++) {
        if (!isSpaceAt(s, i)) {
            return false;
        }
    }
    return true;
}
/**
 * Determines whether the string is null, undefined, empty, or only contains whitespace.
 * @param s The string to check.
 * @returns `true` if the string is null, undefined, empty, or
 * only contains whitespace; otherwise, `false`.
 */
export function isNullOrSpace(s) {
    if (s === null || s === undefined || s.length === 0) {
        return true;
    }
    for (let i = 0; i < s.length; i++) {
        if (!isSpaceAt(s, i)) {
            return false;
        }
    }
    return true;
}