@cc-heart/utils/dist/esm/lib/underlineToHump.js

🔧 javascript common tools collection

/**
 * Converts an underline-separated string to camel case.
 * e.g. underlineToHump('hello_word') => 'helloWord'
 *
 * @param {string} target - The underline-separated string to convert.
 * @return {string} 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;
}

export { underlineToHump };