Function isSelectorWithin

src/inject/dynamic-theme/selectors.ts:44–65

(sub: string, parent: string)

}

export function isSelectorWithin(sub: string, parent: string): boolean {
    const parentLength = parent.length;
    const subLength = sub.length;
    if (subLength < parentLength || !sub.startsWith(parent)) {
        return false;
    }
    if (subLength === parentLength) {
        return true;
    }
    let i = parentLength;
    const c = sub[i];
    if (c === '.' || c === ':' || c === '#' || c === '[' || c === '>') {
        return true;
    }
    if (c === '+' || c === '~' || c !== ' ') {
        return false;
    }
    while (sub[i] === ' ') {
        i++;
    }
    return sub[i] !== '+' && sub[i] !== '~';
}

export function cleanFilterSelectors() {
    filterSelectors.invert.clear();