happy-dom
Version:
Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.
61 lines • 1.68 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const ASCII_LOWER_CASE_CACHE = new Map();
const ASCII_UPPER_CASE_CACHE = new Map();
/**
* String utility.
*/
class StringUtility {
/**
* ASCII lowercase.
*
* @see https://infra.spec.whatwg.org/#ascii-lowercase
* @param text Text.
* @returns Lowercase text.
*/
static asciiLowerCase(text) {
const cached = ASCII_LOWER_CASE_CACHE.get(text);
if (cached) {
return cached;
}
let newText = '';
for (const char of text) {
const value = char.charCodeAt(0);
if (value >= 65 && value <= 90) {
newText += String.fromCharCode(value + 32);
}
else {
newText += char;
}
}
ASCII_LOWER_CASE_CACHE.set(text, newText);
return newText;
}
/**
* ASCII uppercase.
*
* @see https://infra.spec.whatwg.org/#ascii-uppercase
* @param text Text.
* @returns Uppercase text.
*/
static asciiUpperCase(text) {
const cached = ASCII_UPPER_CASE_CACHE.get(text);
if (cached) {
return cached;
}
let newText = '';
for (const char of text) {
const value = char.charCodeAt(0);
if (value >= 97 && value <= 122) {
newText += String.fromCharCode(value - 32);
}
else {
newText += char;
}
}
ASCII_UPPER_CASE_CACHE.set(text, newText);
return newText;
}
}
exports.default = StringUtility;
//# sourceMappingURL=StringUtility.cjs.map