@rashedmakkouk/dev-utils/lib/common/letter-case.js

Utility library.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
/** Utilities */
const capitalize_1 = __importDefault(require("lodash/capitalize"));
const upperFirst_1 = __importDefault(require("lodash/upperFirst"));
/**
 * Formats supplied string to defined case.
 *
 * {@link https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage | Start Case}
 *
 * @returns Formatted string.
 */
function letterCase(text = '', options) {
    if (!text) {
        return '';
    }
    let nextText = '';
    try {
        const { letterCase, separators } = options;
        nextText = !separators
            ? text.toLowerCase()
            : text
                .replace(new RegExp(`[${separators.join('|')}]+`, 'gi'), ' ')
                .toLowerCase();
        switch (letterCase) {
            case 'title':
                return (!separators ? nextText.replace(/[_-\s]+/gi, ' ') : nextText).replace(/\w+/gi, capitalize_1.default);
            case 'sentence':
                return (0, upperFirst_1.default)(nextText);
            case 'upper':
                return nextText.toUpperCase();
            case 'lower':
                return nextText;
            case 'kebab':
                nextText = nextText
                    .trim()
                    /** W: all non alphanumeric characters and white space. */
                    .replace(/[\W_-]+/gi, '-');
                return nextText.slice(!nextText.startsWith('-') ? 0 : 1, !nextText.endsWith('-') ? undefined : -1);
        }
    }
    catch (error) {
        /**
         * - Exception thrown.
         */
    }
    return nextText;
}
exports.default = letterCase;