Blueprint ChartCharts as text. Stories as scenes.

A DSL-driven interactive charting library and Vue 3 editor for newsroom storytelling — composable, accessible, static-first.

A text format for charts

Describe a chart in a compact, declarative `.bpc` DSL. Parse, serialize, and round-trip safely with the Peggy-based grammar.

Read the spec

Every chart can define multiple scenes that play back as an animated narrative. Built for explanatory journalism.

Explore scenes

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Charts render entirely in the browser. No backend required to author, host, or embed. Your data never leaves the page.

Bar, line, area, column, pie, and donut families — each tuned for a specific story shape.

Browse the catalogue

Curated palettes with WCAG-aware contrast and color-vision-deficiency checks built into the library.

Choose a palette

Design principles, anti-patterns, frame elements, typography, and accessibility — the rules behind every chart.

Read the handbook

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A pure TS chart engine (`lib`), a Vue 3 component library (`ui`), and an authoring editor — each independently usable.

Drop a `