Function visit

packages/muya/src/state/__tests__/referenceLink.spec.ts:14–32

(sts: TState[])

    const labels = new Map<string, { href: string; title: string }>();

    const visit = (sts: TState[]) => {
        for (const st of sts) {
            if (st.name === 'paragraph') {
                const tokens = beginRules.reference_definition.exec(st.text);
                if (tokens) {
                    const label = (tokens[2] + tokens[3]).toLowerCase();
                    if (!labels.has(label)) {
                        labels.set(label, {
                            href: tokens[6],
                            title: tokens[10] || '',
                        });
                    }
                }
            }
            else if ((st as TContainerState).children) {
                visit((st as TContainerState).children);
            }
        }
    };

    visit(states);
    return labels;