@cc-heart/utils/dist/cjs/lib/string.cjs

🔧 javascript common tools collection

'use strict';

/**
 * Capitalizes the first letter of a string.
 *
 * @param target - The string to be capitalized.
 * @returns - The capitalized string.
 */
const capitalize = (target) => (target.charAt(0).toUpperCase() + target.slice(1));
/**
 * Returns a new string with the first character converted to lowercase.
 *
 * @param target - The string to be unCapitalized.
 * @returns - The unCapitalized string.
 */
const unCapitalize = (target) => (target.charAt(0).toLowerCase() + target.slice(1));
/**
 * @description Add the number of cuts based on the original split and return all subsets after the cut
 * @param str need to split of primitive string
 * @param splitStr split params
 * @param num split limit
 * @returns a new split array, length is num + 1
 */
function mulSplit(str, splitStr, num = -1) {
    const splitList = str.split(splitStr, num);
    if (num === -1)
        return splitList;
    const originStr = splitList.join(splitStr);
    if (originStr === str)
        return splitList;
    const endStr = str.slice(originStr.length + 1);
    splitList.push(endStr);
    return splitList;
}
/**
 * Converts an underline-separated string to camel case.
 * e.g. underlineToHump('hello_word') => 'helloWord'
 *
 * @param target - The underline-separated string to convert.
 * @returns The camel case version of the input string.
 */
function underlineToHump(target) {
    let isStartUnderline = true;
    let prefixStr = null;
    let str = '';
    for (let i = 0; i < target.length; i++) {
        if (target[i] === '_' &&
            /[a-z]/.test(target[i + 1]) &&
            !isStartUnderline &&
            prefixStr !== '_') {
            i++;
            str += target[i].toUpperCase();
            continue;
        }
        prefixStr = target[i];
        if (isStartUnderline && target[i] !== '_') {
            isStartUnderline = false;
        }
        str += target[i];
    }
    return str;
}

exports.capitalize = capitalize;
exports.mulSplit = mulSplit;
exports.unCapitalize = unCapitalize;
exports.underlineToHump = underlineToHump;