Function shouldIgnoreImage

src/inject/dynamic-theme/modify-css.ts:347–372

(selectorText: string, selectors: string[])

let didTryLoadCache = false;

function shouldIgnoreImage(selectorText: string, selectors: string[]) {
    if (!selectorText || selectors.length === 0) {
        return false;
    }
    if (selectors.some((s) => s === '*')) {
        return true;
    }
    const ruleSelectors = selectorText.split(/,\s*/g);
    for (let i = 0; i < selectors.length; i++) {
        const ignoredSelector = selectors[i];
        if (ignoredSelector.startsWith('^')) {
            const beginning = ignoredSelector.slice(1);
            if (ruleSelectors.some((s) => s.startsWith(beginning))) {
                return true;
            }
        } else if (ignoredSelector.endsWith('$')) {
            const ending = ignoredSelector.slice(0, ignoredSelector.length - 1);
            if (ruleSelectors.some((s) => s.endsWith(ending))) {
                return true;
            }
        } else if (ruleSelectors.some((s) => s === ignoredSelector)) {
            return true;
        }
    }
    return false;
}

interface BgImageMatches {
    type: 'url' | 'gradient';