shkim4
dc9258599c
- new workspace package packages/chart (shadcn/ui Chart + Recharts, HM Theme tokens), examples entry with sample data - Storybook Chart group (src/chart), consumer example (examples/chart), build:chart / build:chart-example scripts - README rewritten as the AI usage guide (install, CSS wiring, chart selection, data rules, verification) - docs: package count/list, Submodule guide (chart workspace, React dedupe), shared AI_GUIDE row, MAINTAINING, story inventory
45 lines
1.6 KiB
TypeScript
45 lines
1.6 KiB
TypeScript
import type { ChartConfig } from "./chart"
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/** HM series colors. They resolve to existing HM palette tokens (see chart.css), never to HEX values. */
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export const chartColors = [
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"var(--hm-chart-1)",
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"var(--hm-chart-2)",
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"var(--hm-chart-3)",
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"var(--hm-chart-4)",
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"var(--hm-chart-5)",
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] as const
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/** Light end of each HM series color (stacked bar segments): the same palette family, lighter (see chart.css). */
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export const chartLightColors = [
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"var(--hm-chart-1-light)",
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"var(--hm-chart-2-light)",
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"var(--hm-chart-3-light)",
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"var(--hm-chart-4-light)",
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"var(--hm-chart-5-light)",
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] as const
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/** One data series. `key` becomes a CSS variable name (`--color-<key>`), so use letters, digits, `-` or `_` only. */
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export type ChartSeries = {
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key: string
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label: string
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/** Any CSS color. Defaults to the HM series color for the series position. */
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color?: string
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/** Light end of a stacked bar segment (any CSS color). Defaults to the HM light color of the series position.
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* A series with a custom `color` and no `lightColor` is drawn as a flat segment. */
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lightColor?: string
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}
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export function seriesColor(index: number, color?: string) {
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return color ?? chartColors[index % chartColors.length]
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}
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export function seriesLightColor(index: number, color?: string, lightColor?: string) {
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return lightColor ?? color ?? chartLightColors[index % chartLightColors.length]
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}
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export function seriesToConfig(series: readonly ChartSeries[]): ChartConfig {
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return Object.fromEntries(
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series.map((item, index) => [item.key, { label: item.label, color: seriesColor(index, item.color) }]),
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)
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}
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