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Towards_Updateable-Resusable_d3jsCharts

✓ Published1🌍 Public
JJimMaltby
Last edited Nov 23, 2021
Created on Nov 23, 2021

A reusable bar chart demonstrates the updateable pattern, showing how dynamically changing data, dimensions, and fill colors animate smoothly with D3 transitions. Three chart instances render on the page, each driven by the same `barChart()` factory function loosely based on Mike Bostock's reusable chart pattern. The chart uses `selection.each`, `data`, `enter`, `exit`, and chained `transition` calls to handle updates, including staggered opacity and width changes for new bars, while removed bars shrink and fade out. The standalone HTML file is built with D3 v5 and SVG for rendering.

AI-generated description

Simple Bar Chart example:

A vanilla HTML implementation of Rob Moores updateable pattern Towards Updatable https://www.toptal.com/d3-js/towards-reusable-d3-js-charts.

It is derived from Mike Bostock's Towards Reusable Charts (https://bost.ocks.org/mike/chart/) as the source of the foundational principles.

Will evolve to use the ProD3 pattern (Pro D3.js Use D3.js to Create Maintainable, Modular, and Testable Charts by Marcos Iglesias https://www.apress.com/gp/book/9781484252024) as the basis for further charts.

MIT Licensed

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