PRC Chart Builder

Chart Builder creates interactive, accessible charts in the WordPress block editor. Editors publish chart CPT posts and embed them in articles. Developers maintain the admin library, block stack, charting runtime, and import pipelines.

Package: @prc/chart-builder Source: plugins/prc-chart-builder/

Choose a path

Who are you?

Start with the guide that matches your work.

01

Editors and producers

Create charts, place them in posts, and follow the editorial workflow.

Open the user guide

02

Responsive authoring

Set Desktop, Tablet, and Mobile chart overrides in the editor.

Viewport usage guide

03

Maintainers

Architecture, interactivity store, and developer tooling.

Architecture overview

Documentation

For editors

• User guide — editorial process, creating charts, placing synced charts
• Viewport usage guide — practical responsive overrides in the editor

For maintainers

• Architecture — Admin, Block Editor, and Charting Library tiers
• Screenshot providers — PNG capture backends, capture spec, and /export/ reflow
• REST API — prc-chart-builder/v1 custom routes
• Abilities — prc-chart-builder/generate AI ability
• Reactive store — prc-chart-builder/chart Interactivity API store
• Console helpers — window.prcChartBuilder.* for console and Playwright
• Viewport attributes — viewport-aware attribute system
• Viewport breakpoints — breakpoint values and fallbacks

Related references outside this folder

• Plugin README — block attribute reference and developer setup
• Chart Handoff (PCH) — pewplots → Chart Builder import pipeline details
• CHANGELOG.md — Keep a Changelog history in the plugin root

Release notes

Version	File	Highlights
3.14.0	release-notes/3_14_0.md	Creation wizard, Chart Library as All Charts, chart theme, small multiples, waffle, beeswarm, heat map table, color swatch picker, tooltip templates, scatter sizing, grouped bar thickness, negative bar baseline, first/last line nodes
3.10.0	release-notes/3_10_0.md	Preact frontend runtime, animation suite, editor production tools
3.9.0	release-notes/3_9_0.md	USA CBSA + bubble maps, detached legend, CSV export hardening
3.8.0	release-notes/3_8_0.md	Typed columns, multi-user presence, chart/data view toggle
3.7.0	release-notes/3_7_0.md	PCH import pipeline (pewplots → Chart Builder)
3.6.0	release-notes/3_6_0.md	Server-side PNG export, static fallback image
3.5.0	release-notes/3_5_0.md	Chart Library admin, AI generation, element popover system