Changelog

New components, updates, and improvements to jalco ui.

1 new component

File Tree

Docs

Collapsible file and folder tree with file-type icons, highlights, and configurable expand state. Designed for project structure docs, README displays, and dev-tool file explorers.

3 new components

Stepper

Docs

Numbered step-by-step layout with vertical connector lines, auto-incrementing step numbers, and status indicators. Designed for installation guides, tutorials, onboarding flows, and multi-step documentation. Composable — nest any content inside each step.

npm Badge

Open Source

Live npm package badge showing version, weekly downloads, license, and last publish date. Three layouts: inline pill, horizontal row, and expanded card. Async server component — fetches data at build time with ISR.

Product Hunt

Open Source

Link button showing a Product Hunt post's upvote count with the PH cat icon. Two layouts: inline button and expanded card. Async server component — fetches data at build time with ISR.

13 new components

Code Block

Code

Syntax-highlighted code block with bundled language icon, copy button, and optional scrollable or collapsible overflow. Server component powered by shiki.

Code Block Command

Code

Tabbed CLI command block with package manager switching (pnpm, yarn, npm, bun, shadcn), bundled SVG icons, copy button, and localStorage persistence.

Code Line

Code

Compact single-line code snippet with syntax highlighting and an inline copy button. Ideal for imports, CLI commands, env vars, and config values.

AI Copy Button

Docs

Split button with a primary copy action and a dropdown of AI destinations. Copy content, view as markdown, or open in v0, ChatGPT, Claude, or Gemini.

API Reference Table

Docs

Expandable prop reference table with color-coded types, optional descriptions, and full-type details. Designed for component documentation pages.

Activity Graph

Open Source

GitHub-style activity heatmap that visualizes daily counts as a color-intensity grid with month labels, day labels, and a Less/More legend. Includes a helper to fetch real GitHub contribution data by username.

GitHub Button Group

Open Source

Segmented button group displaying multiple GitHub repo metrics with per-segment links. Async server component — fetches data at build time with ISR.

Cron Schedule

Dev Tools

Visual cron expression display with field breakdown, human-readable summary, and optional next-run preview. Designed for dashboards, serverless function docs, and scheduling UIs.

Env Table

Dev Tools

Read-only environment variable table with masked values, click-to-reveal, per-row copy, and bulk copy as .env. Designed for settings pages, deploy previews, and documentation.

JSON Viewer

Dev Tools

Collapsible, syntax-colored JSON tree with path copying, search, expand/collapse controls, and 65 editor color themes. Designed for dev dashboards, API documentation, and debugging tools.

Log Viewer

Dev Tools

Scrollable log output component for displaying streaming logs or CLI-style output in web apps. Three variants: terminal (full CLI-style with toolbar, line numbers, search), minimal (compact scrolling lines), and filterable (level filtering with counts). Supports colored log levels, timestamps, auto-scrolling, copy, and export.

Request Viewer

Dev Tools

Network request inspector showing headers, response body, and timing waterfall. Designed for dev dashboards, API documentation, and debugging tools.

Crypto + Tip Jar

Payments

Donation and tipping component with QR code, wallet address or handle display, and copy-to-clipboard. Supports crypto chains (Ethereum, Bitcoin, Solana, and more) and platforms (PayPal, Ko-fi, Patreon). Six layout variants for different contexts.

1 new component

GitHub Stars Button

Open Source

Link button showing a GitHub repo's star count with the octocat icon. Async server component — fetches data at build time with ISR.