Function registerEditRoutes

packages/core/src/vite/routes/edit.ts:24–124

(server: ViteDevServer, ctx: ApiContext)

};

export function registerEditRoutes(server: ViteDevServer, ctx: ApiContext): void {
  server.middlewares.use('/__edit', async (req, res, next) => {
    const url = new URL(req.url ?? '/', 'http://local');
    const method = req.method ?? 'GET';
    if (method !== 'POST') return next();
    const requestCheck = validateMutationRequest(req, { requireJsonBody: true });
    if (!requestCheck.ok) return json(res, requestCheck.status, { error: requestCheck.error });

    try {
      if (url.pathname === '/') {
        const body = (await readBody(req)) as EditBody;
        const slideId = body.slideId ?? '';
        const file = resolveSlideEntryPath(ctx, slideId);
        if (!file) return json(res, 400, { error: 'invalid slideId' });
        if (!body.line || body.line < 1) return json(res, 400, { error: 'invalid line' });
        if (!Array.isArray(body.ops)) return json(res, 400, { error: 'missing ops' });

        let source: string;
        try {
          source = await fs.readFile(file, 'utf8');
        } catch {
          return json(res, 404, { error: 'slide not found' });
        }

        const result = applyEdit(source, body.line, body.column ?? 0, body.ops);
        if (!result.ok) return json(res, result.status, { error: result.error });
        const changed = result.source !== source;
        if (changed) await fs.writeFile(file, result.source, 'utf8');
        return json(res, 200, { ok: true, changed });
      }

      if (url.pathname === '/revert-asset') {
        const body = (await readBody(req)) as { slideId?: string; assetPath?: string };
        const slideId = body.slideId ?? '';
        const assetPath = body.assetPath;
        const file = resolveSlideEntryPath(ctx, slideId);
        if (!file) return json(res, 400, { error: 'invalid slideId' });
        if (typeof assetPath !== 'string' || !assetPath) {
          return json(res, 400, { error: 'missing assetPath' });
        }
        if (!assetPath.startsWith('./assets/') && !assetPath.startsWith('@assets/')) {
          return json(res, 400, { error: 'asset path must start with ./assets/ or @assets/' });
        }

        let source: string;
        try {
          source = await fs.readFile(file, 'utf8');
        } catch {
          return json(res, 404, { error: 'slide not found' });
        }

        const result = applyRevertAsset(source, assetPath);
        if (!result.ok) return json(res, result.status, { error: result.error });
        const changed = result.source !== source;
        if (changed) await fs.writeFile(file, result.source, 'utf8');
        return json(res, 200, { ok: true, changed });
      }