Categories

Jacar categories — explore the topics A rocket whose eyes follow your cursor.
Tools

Figma Dev Mode: From Design to Code with Less Friction

Figma Dev Mode is the developer-facing view inside a Figma file: it generates ready CSS, exposes exact measurements, maps variables to tokens, and, with Code Connect, links each component to the real codebase snippet. It solves most of the design-to-code handoff friction, but it does not replace human judgment on accessibility, performance, or responsive behavior.

Software Development

Astro and Islands: The Web That Sends Less JavaScript

Astro renders static HTML by default and only ships JavaScript for the interactive islands that actually need it. On blogs, docs and content sites, the bundle drops from 100-200 KB to roughly 5-10 KB versus Next.js SSG or Gatsby. It is the wrong choice for SaaS dashboards or apps with state shared across routes.

Software Development

Next.js App Router: Lessons from Migrating Real Projects

App Router went stable in Next.js 13.4 (May 2023), bringing Server Components, layered caching, and Server Actions, but it demands rethinking the application's mental model. Migrating from Pages Router pays off for new projects and read-only routes; for large applications, the realistic path is incremental, route by route, over several months.