v0.4.0 — Kaomoji, Heatmaps, Tables, Histograms & Comparisons

What's New

5 features that make webhook-spark the most fun AND useful terminal/text visualization library on npm.

Kaomoji Mood System

• kaomoji(mood, options?) — 5 themes (classic, cats, bears, stars, minimal) x 13 moods
• kaomojiStatus(value, max) — map numeric values to mood faces via thresholds
• kaomojiAll() and kaomojiThemes() helpers
• Includes ᓚᘏᗢ (cats/happy) and ☆*:.｡.o(≧▽≦)o.｡.:*☆ (celebrating)

2D Heatmap

• heatmap(data, options?) — GitHub contribution graph style, pure text
• Row/column labels, custom shade characters, min/max override

Box-Drawing Tables

• miniTable(rows, options?) — 4 border styles (single, double, rounded, none)
• kvTable(entries) — quick key-value display
• Column alignment, header separators, maxWidth truncation

Histogram

• histogram(values, options?) — frequency distribution with configurable bins
• Show counts or percentages, custom fill character

Side-by-Side Compare

• compare(label1, val1, label2, val2, options?) — visual before/after
• 3 modes: bars, spark (with sparklines), compact (single line)
• Returns delta, percentage change, direction arrow

Stats

• 33 new tests (63 total passing)
• +977 lines across 6 files
• Still zero dependencies, TypeScript first