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/**
* @file str.js
* @module to-lower-case
*/
/**
* Lowercase the first letter of a string.
*
* @param {string} string
* String to be lowercased
*
* @return {string}
* The string with a lowercased first letter
*/
export const toLowerCase = function(string) {
if (typeof string !== 'string') {
return string;
}
return string.replace(/./, (w) => w.toLowerCase());
};
/**
* Uppercase the first letter of a string.
*
* @param {string} string
* String to be uppercased
*
* @return {string}
* The string with an uppercased first letter
*/
export const toTitleCase = function(string) {
if (typeof string !== 'string') {
return string;
}
return string.replace(/./, (w) => w.toUpperCase());
};
/**
* Compares the TitleCase versions of the two strings for equality.
*
* @param {string} str1
* The first string to compare
*
* @param {string} str2
* The second string to compare
*
* @return {boolean}
* Whether the TitleCase versions of the strings are equal
*/
export const titleCaseEquals = function(str1, str2) {
return toTitleCase(str1) === toTitleCase(str2);
};
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