Function createTarget

src/inject/dynamic-theme/stylesheet-modifier.ts:309–330

(group: ReadyGroup, parent: CSSBuilder)

        function buildStyleSheet() {
            function createTarget(group: ReadyGroup, parent: CSSBuilder): CSSBuilder {
                const {rule} = group;
                if (isStyleRule(rule)) {
                    const {selectorText} = rule;
                    const index = parent.cssRules.length;
                    parent.insertRule(`${selectorText} {}`, index);
                    return parent.cssRules[index] as CSSBuilder;
                }
                if (isMediaRule(rule)) {
                    const {media} = rule;
                    const index = parent.cssRules.length;
                    parent.insertRule(`@media ${media.mediaText} {}`, index);
                    return parent.cssRules[index] as CSSBuilder;
                }
                if (isLayerRule(rule)) {
                    const {name} = rule;
                    const index = parent.cssRules.length;
                    parent.insertRule(`@layer ${name} {}`, index);
                    return parent.cssRules[index] as CSSBuilder;
                }
                return parent;
            }

            function iterateReadyRules(
                group: ReadyGroup,