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.
39 lines • 1.36 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
// Groups:
// Property name => \s*([^:;]+?)\s*:
// Property value => \s*((?:[^(;]*?(?:\([^)]*\))?)*?) <- will match any non ';' char except inside (), nested parentheses are not supported
// Important ("!important") => \s*(!important)?
// End of rule => \s*(?:$|;)
const SPLIT_RULES_REGEXP = /\s*([^:;]+?)\s*:\s*((?:[^(;]*?(?:\([^)]*\))?)*?)\s*(!important)?\s*(?:$|;)/g;
/**
* CSS parser.
*/
class CSSStyleDeclarationCSSParser {
/**
* Class construtor.
*
* @param cssText CSS string.
* @param callback Callback.
*/
static parse(cssText) {
const properties = {};
const rules = [];
const regexp = new RegExp(SPLIT_RULES_REGEXP);
let match;
while ((match = regexp.exec(cssText))) {
const name = (match[1] ?? '').trim();
const value = (match[2] ?? '').trim();
const important = match[3] ? true : false;
if (name && value) {
if (name.startsWith('--')) {
properties[name] = value;
}
rules.push({ name, value, important });
}
}
return { rules, properties };
}
}
exports.default = CSSStyleDeclarationCSSParser;
//# sourceMappingURL=CSSStyleDeclarationCSSParser.cjs.map