@dulysse1/better-node/lib/string/capitalized.js

Improve Node types & add object properties

const separators = ["-", "_", " "];
function _replaceSepWords(str, sep) {
	const index = str.indexOf(sep);
	if (index === -1) return str;
	if (str[index + 1]) {
		return _replaceSepWords(
			`${str.slice(0, index)}${str[index + 1].toUpperCase()}${str.slice(
				index + 2
			)}`,
			sep
		);
	}
	return _replaceSepWords(`${str.slice(0, index)}`, sep);
}
try {
	Object.defineProperty(global.String.prototype, "capitalized", {
		value: function (sep, first = true) {
			if (sep && !separators.includes(sep)) {
				throw new Error(
					`InvalidSeparator: Capitalize separator must be: "${separators.join(
						'" or "'
					)}".`
				);
			}
			if (!sep) {
				return this
					? first
						? this.charAt(0).toUpperCase() + this.slice(1)
						: this
					: this;
			}
			let str = this
				? first
					? this.charAt(0).toUpperCase() + this.slice(1)
					: this
				: this;
			str = _replaceSepWords(first ? str : str.slice(1), sep);
			return first ? str : this[0] + str;
		},
	});
} catch (error) {
	void 0;
}
exports.separators = separators;