Function transformBlocks

frontend/app/element/markdown-util.ts:43–155

(content: string)

}

export function transformBlocks(content: string): { content: string; blocks: Map<string, MarkdownContentBlockType> } {
    const lines = content.split("\n");
    const blocks = new Map();
    let currentBlock = null;
    let currentContent = [];
    let processedLines = [];

    for (const line of lines) {
        // Check for start marker
        if (line.startsWith("@@@start ")) {
            // Already in a block? Add as content
            if (currentBlock) {
                processedLines.push(line);
                continue;
            }

            // Parse the start line
            const [, type, rest] = line.slice(9).match(/^(\w+)\s+(.*)/) || [];
            if (!type || !rest) {
                // Invalid format - treat as regular content
                processedLines.push(line);
                continue;
            }

            // Get the ID (everything between first set of quotes)
            const idMatch = rest.match(idMatchRe);
            if (!idMatch) {
                processedLines.push(line);
                continue;
            }

            // Parse options if any exist after the ID
            const afterId = rest.slice(idMatch[0].length).trim();
            const opts = parseOptions(afterId);

            currentBlock = {
                type,
                id: idMatch[1],
                opts,
            };
            continue;
        }

        // Check for end marker
        if (line.startsWith("@@@end ")) {
            // If we're not in a block, treat as content
            if (!currentBlock) {
                processedLines.push(line);
                continue;
            }

            // Parse the end line
            const [, type, rest] = line.slice(7).match(/^(\w+)\s+(.*)/) || [];
            if (!type || !rest) {
                currentContent.push(line);
                continue;
            }