{
"$schema": "https://uipkge.dev/schema/registry-item.json",
"name": "progress-ring-chart",
"title": "Progress Ring Chart",
"type": "registry:ui",
"files": [
{
"path": "packages/registry-angular/components/charts/progress-ring-chart/progress-ring-chart.component.ts",
"content": "import { Component, Input, booleanAttribute, ChangeDetectionStrategy } from '@angular/core'\nimport { cn } from '@/lib/utils'\n\nexport interface ProgressRing {\n /** 0..100. */\n value: number\n /** Defaults to chart-1..N tokens. */\n color?: string\n label?: string\n}\n\nconst DEFAULT_COLORS = ['var(--chart-1)', 'var(--chart-2)', 'var(--chart-3)', 'var(--chart-4)', 'var(--chart-5)']\nconst CIRCUMFERENCE = 2 * Math.PI * 80\n\n/**\n * Angular port of the UIPKGE ProgressRingChart — dependency-free SVG gauge. Same inputs as the Vue `ProgressRingChart` (`rings`, `height`, `stroke`, `showLabel`, `centerLabel`, `colors`).\n */\n@Component({\n changeDetection: ChangeDetectionStrategy.Eager,\n selector: 'ui-progress-ring-chart, [ui-progress-ring-chart]',\n standalone: true,\n host: {\n '[attr.data-slot]': '\"progress-ring-chart\"',\n '[attr.data-uipkge]': '\"\"',\n '[class]': 'hostClass',\n '[attr.role]': '\"img\"',\n '[attr.aria-label]': 'resolvedAriaLabel',\n '[attr.tabindex]': '0',\n '[style.height]': 'heightStyle',\n },\n template: `\n \n `,\n})\nexport class UiProgressRingChartComponent {\n @Input() rings: ProgressRing[] = []\n @Input() height: number | string = 220\n /** Ring thickness in SVG units. Default 14. */\n @Input() stroke = 14\n /** Show the centre label (first ring value or custom). Default true. */\n @Input({ transform: booleanAttribute }) showLabel = true\n /** Centre label override. */\n @Input() centerLabel?: string\n @Input() colors: string[] = DEFAULT_COLORS\n /** Accessible name announced for the chart image. Defaults to a per-ring summary. */\n @Input() ariaLabel?: string\n @Input('class') className?: string\n\n get arcs(): { dash: string; color: string | undefined; r: number; value: number }[] {\n return this.rings.map((r, i) => {\n const pct = Math.max(0, Math.min(100, r.value)) / 100\n return {\n dash: `${(pct * CIRCUMFERENCE).toFixed(1)} ${CIRCUMFERENCE.toFixed(1)}`,\n color: r.color ?? this.colors[i % this.colors.length],\n r: 80 - i * (this.stroke + 6),\n value: r.value,\n }\n })\n }\n\n get view(): number {\n return 200 + (this.rings.length - 1) * (this.stroke + 6) * 2\n }\n\n get center(): number {\n return this.view / 2\n }\n\n get summary(): string {\n return (\n this.centerLabel ??\n (this.rings.length === 1 ? `${Math.round(this.rings[0]?.value ?? 0)}%` : `${this.rings.length} rings`)\n )\n }\n\n get resolvedAriaLabel(): string {\n return (\n this.ariaLabel ||\n `Progress ring chart: ${this.rings.map((r) => `${r.label ?? 'value'} ${Math.round(r.value)}%`).join(', ')}`\n )\n }\n\n get hostClass(): string {\n return cn(\n 'focus-visible:ring-ring flex w-full items-center justify-center focus-visible:ring-2 focus-visible:outline-none',\n this.className,\n )\n }\n\n get heightStyle(): string {\n return /^\\d+$/.test(String(this.height)) ? `${this.height}px` : String(this.height)\n }\n}\n",
"type": "registry:ui",
"target": "~/src/app/components/ui/charts/progress-ring-chart/progress-ring-chart.component.ts"
},
{
"path": "packages/registry-angular/components/charts/progress-ring-chart/index.ts",
"content": "export { UiProgressRingChartComponent, type ProgressRing } from './progress-ring-chart.component'\n",
"type": "registry:ui",
"target": "~/src/app/components/ui/charts/progress-ring-chart/index.ts"
},
{
"path": "packages/registry-angular/components/charts/use-chart-theme.ts",
"content": "// Angular port of `useChartTheme.ts` (Vue) — framework-free helpers + plain\n// functions instead of Vue `computed` refs. The palette is driven by Tailwind\n// v4 CSS variables (`--chart-1`..`--chart-5`, `--muted-foreground`, `--border`,\n// `--popover`, …) so dark/light flips happen automatically when the consumer\n// toggles their theme class. Values resolve at runtime via `getComputedStyle`,\n// so they pick up whatever the consumer set in their own `tailwind.css`.\n//\n// In a non-DOM environment (SSR / unit tests) every accessor returns the\n// fallback palette, which roughly matches the shadcn Neutral defaults so the\n// first paint doesn't flicker.\n\nexport const CHART_FALLBACK = ['#f59e0b', '#14b8a6', '#3b82f6', '#f97316', '#eab308']\n\n// ECharts' canvas renderer does not accept OKLCH in every browser. Assigning\n// one of our Tailwind tokens to `fillStyle` can silently leave the sentinel\n// colour in place, turning a whole chart black. Convert OKLCH ourselves and\n// let the canvas normalize older CSS colour formats.\nlet _hexCanvas: CanvasRenderingContext2D | null = null\n\nexport function toCanvasColor(cssColor: string): string {\n const value = cssColor.trim()\n const match = value.match(\n /^oklch\\(\\s*([+-]?(?:\\d+\\.?\\d*|\\.\\d+))(%?)\\s+([+-]?(?:\\d+\\.?\\d*|\\.\\d+))\\s+([+-]?(?:\\d+\\.?\\d*|\\.\\d+))(?:deg)?(?:\\s*\\/\\s*([+-]?(?:\\d+\\.?\\d*|\\.\\d+))(%?))?\\s*\\)$/i,\n )\n\n if (match) {\n const lightness = Number(match[1]) / (match[2] === '%' ? 100 : 1)\n const chroma = Number(match[3])\n const hue = (Number(match[4]) * Math.PI) / 180\n const alpha = match[5] == null ? 1 : Number(match[5]) / (match[6] === '%' ? 100 : 1)\n const a = chroma * Math.cos(hue)\n const b = chroma * Math.sin(hue)\n\n const l = Math.pow(lightness + 0.3963377774 * a + 0.2158037573 * b, 3)\n const m = Math.pow(lightness - 0.1055613458 * a - 0.0638541728 * b, 3)\n const s = Math.pow(lightness - 0.0894841775 * a - 1.291485548 * b, 3)\n const linear = [\n 4.0767416621 * l - 3.3077115913 * m + 0.2309699292 * s,\n -1.2684380046 * l + 2.6097574011 * m - 0.3413193965 * s,\n -0.0041960863 * l - 0.7034186147 * m + 1.707614701 * s,\n ]\n const rgb = linear.map((channel) => {\n const encoded = channel <= 0.0031308 ? 12.92 * channel : 1.055 * Math.pow(channel, 1 / 2.4) - 0.055\n return Math.round(Math.min(1, Math.max(0, encoded)) * 255)\n })\n\n return alpha < 1 ? `rgba(${rgb.join(', ')}, ${alpha})` : `rgb(${rgb.join(', ')})`\n }\n\n if (typeof document === 'undefined') return cssColor\n if (!_hexCanvas) {\n _hexCanvas = document.createElement('canvas').getContext('2d')\n }\n if (!_hexCanvas) return cssColor\n _hexCanvas.fillStyle = '#010203'\n _hexCanvas.fillStyle = value\n const normalized = _hexCanvas.fillStyle as string\n return normalized === '#010203' && value.toLowerCase() !== '#010203' ? value : normalized\n}\n\n// Convert any CSS color (hex, rgb, oklch, color()) + alpha 0..1 to a\n// canvas-safe rgba(r,g,b,a). `colorString + '40'` (8-digit hex alpha)\n// only works when `colorString` is `#rrggbb`; once tokens resolve to\n// oklch() post-hydration the gradient stops break and the canvas paint\n// throws every frame. Stay defensive and always return rgba.\nexport function toRgba(cssColor: string, alpha: number): string {\n const normalized = toCanvasColor(cssColor)\n if (normalized.startsWith('#') && normalized.length === 7) {\n const r = parseInt(normalized.slice(1, 3), 16)\n const g = parseInt(normalized.slice(3, 5), 16)\n const b = parseInt(normalized.slice(5, 7), 16)\n return `rgba(${r},${g},${b},${alpha})`\n }\n if (normalized.startsWith('rgba(')) {\n return normalized.replace(/,\\s*[\\d.]+\\s*\\)$/, `,${alpha})`)\n }\n if (normalized.startsWith('rgb(')) {\n return normalized.replace(/^rgb\\(/, 'rgba(').replace(/\\)$/, `,${alpha})`)\n }\n // Canvas refused to parse this color -- ship the original string and\n // let ECharts complain (better than crashing the paint loop).\n return cssColor\n}\n\nexport function resolveCssVar(name: string, fallback: string): string {\n if (typeof window === 'undefined') return fallback\n const v = getComputedStyle(document.documentElement).getPropertyValue(name).trim()\n if (!v) return fallback\n return toCanvasColor(v)\n}\n\nexport function getChartColors(): string[] {\n return Array.from({ length: 5 }, (_, i) => resolveCssVar(`--chart-${i + 1}`, CHART_FALLBACK[i]!))\n}\n\nexport function getChartTextColor(): string {\n return resolveCssVar('--muted-foreground', '#888888')\n}\n\nexport function getChartAxisColor(): string {\n return resolveCssVar('--border', '#e5e5e5')\n}\n\nexport function getChartSplitLineColor(): string {\n return resolveCssVar('--border', '#f0f0f0')\n}\n\nexport function getChartTooltipBg(): string {\n return resolveCssVar('--popover', 'rgba(255,255,255,0.96)')\n}\n\nexport function getChartTooltipBorder(): string {\n return resolveCssVar('--border', '#e5e5e5')\n}\n\nexport function getChartTooltipText(): string {\n return resolveCssVar('--popover-foreground', '#333333')\n}\n\nexport function getChartBgColor(): string {\n return resolveCssVar('--card', resolveCssVar('--background', '#ffffff'))\n}\n\n// The app's accent, for the one highlighted element on a chart or map — a\n// selected route, a focused bar. Category series keep using getChartColors().\nexport function getChartAccentColor(): string {\n return resolveCssVar('--primary', '#38bdf8')\n}\n\n// Out-of-bounds / failure colour for charts that encode good vs bad rather\n// than a category — control limits, error series.\nexport function getChartDangerColor(): string {\n return resolveCssVar('--destructive', '#dc2626')\n}\n\n// Two-level deep merge for ECharts option blocks (xAxis, yAxis, grid,\n// tooltip, legend, singleAxis, parallel, etc.). The top-level keys merge\n// shallowly, but one nested level (axisLabel, axisLine, splitLine, etc.)\n// merges shallowly too so a consumer passing `xAxis: { axisLabel: { fontSize: 9 } }`\n// doesn't blow away the wrapper's `color` + base font defaults on the same\n// axisLabel block. Arrays + primitives replace outright.\nexport function mergeOptionBlock>(base: T, user: Partial | undefined): T {\n if (!user) return base\n const out: any = { ...base }\n for (const k of Object.keys(user)) {\n const bv = (base as any)[k]\n const uv = (user as any)[k]\n if (\n bv != null &&\n uv != null &&\n typeof bv === 'object' &&\n typeof uv === 'object' &&\n !Array.isArray(bv) &&\n !Array.isArray(uv)\n ) {\n out[k] = { ...bv, ...uv }\n } else {\n out[k] = uv\n }\n }\n return out\n}\n\n// Default gauge stoplight: teal (safe) -> amber (warning) -> red (danger).\n// Static because gauges have semantic meaning (green safe / red danger) that\n// we deliberately don't theme-flip.\nexport const gaugeThresholds: [number, string][] = [\n [0.6, '#14b8a6'],\n [0.85, '#f59e0b'],\n [1, '#dc2626'],\n]\n\n/**\n * Re-render callback subscription for theme flips: bumps every listener\n * whenever `` class/style changes (the typical shadcn dark-mode pivot)\n * so chart components can rebuild their options and re-paint. Returns an\n * unsubscribe function. No-op (never fires) outside the DOM.\n */\nexport function onChartThemeChange(cb: () => void): () => void {\n if (typeof window === 'undefined' || typeof MutationObserver === 'undefined') return () => {}\n const observer = new MutationObserver(() => cb())\n observer.observe(document.documentElement, { attributes: true, attributeFilter: ['class', 'style', 'data-theme'] })\n return () => observer.disconnect()\n}\n",
"type": "registry:ui",
"target": "~/src/app/components/ui/charts/use-chart-theme.ts"
}
],
"dependencies": [
"echarts"
],
"devDependencies": [],
"registryDependencies": [],
"description": "Progress ring gauge as dependency-free SVG. Single or concentric rings with a centre summary. Picks up chart tokens via CSS variables.",
"categories": [
"chart"
]
}