{"version":3,"file":"ngwr-donut-chart.mjs","sources":["../../../projects/lib/donut-chart/donut-chart.ts","../../../projects/lib/donut-chart/donut-chart.html","../../../projects/lib/donut-chart/ngwr-donut-chart.ts"],"sourcesContent":["/**\n * @license\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://github.com/thekhegay/ngwr/blob/main/LICENSE\n */\n\nimport { coerceBooleanProperty, coerceNumberProperty } from '@angular/cdk/coercion';\nimport { Component, ViewEncapsulation, computed, input } from '@angular/core';\n\nimport type { WrDonutSegment } from './interfaces';\n\nconst FALLBACK_COLORS = [\n  'var(--wr-color-primary)',\n  'var(--wr-color-secondary)',\n  'var(--wr-color-success)',\n  'var(--wr-color-warning)',\n  'var(--wr-color-danger)',\n  'var(--wr-color-medium)',\n];\n\n/**\n * Donut chart. Set `thickness` to 0 for a solid pie. Optional center\n * text via inputs.\n *\n * @example\n * ```html\n * <wr-donut-chart [segments]=\"[\n *   { label: 'Used', value: 60 },\n *   { label: 'Free', value: 40 }\n * ]\" centerLabel=\"Disk\" centerValue=\"60%\" />\n * ```\n *\n * @see https://ngwr.dev/components/donut-chart\n */\n@Component({\n  selector: 'wr-donut-chart',\n  templateUrl: './donut-chart.html',\n  encapsulation: ViewEncapsulation.None,\n  host: { class: 'wr-donut-chart' },\n})\nexport class WrDonutChart {\n  readonly segments = input<readonly WrDonutSegment[]>([]);\n\n  /** Diameter in CSS pixels. @default 200 */\n  readonly size = input(200, { transform: (v: unknown): number => Math.max(48, coerceNumberProperty(v, 200)) });\n\n  /** Inner-ring thickness as a percent of radius (0–100). `0` = solid pie. @default 30 */\n  readonly thickness = input(30, {\n    transform: (v: unknown): number => Math.min(100, Math.max(0, coerceNumberProperty(v, 30))),\n  });\n\n  /** Show the legend under the chart. @default true */\n  readonly showLegend = input(true, { transform: coerceBooleanProperty });\n\n  /** Bold value text in the center. */\n  readonly centerValue = input<string>('');\n\n  /** Smaller label under the value. */\n  readonly centerLabel = input<string>('');\n\n  // Drawn in a 100×100 viewBox.\n  private readonly outerR = 50;\n\n  protected readonly innerR = computed(() => {\n    const thickness = this.thickness();\n    // 0 = solid pie: fill all the way to the center, not a zero-width ring.\n    if (thickness === 0) return 0;\n    return this.outerR * (1 - thickness / 100);\n  });\n\n  protected readonly total = computed(() => {\n    const sum = this.segments().reduce((acc, s) => acc + Math.max(0, s.value), 0);\n    return sum > 0 ? sum : 1;\n  });\n\n  /** Resolved slices ready for the template — each carries its arc path. */\n  protected readonly slices = computed(() => {\n    const total = this.total();\n    let cumulative = 0;\n    return this.segments().map((s, i) => {\n      const value = Math.max(0, s.value);\n      const startAngle = (cumulative / total) * Math.PI * 2;\n      cumulative += value;\n      const endAngle = (cumulative / total) * Math.PI * 2;\n      return {\n        label: s.label,\n        value,\n        color: s.color ?? FALLBACK_COLORS[i % FALLBACK_COLORS.length],\n        path: this.arcPath(startAngle, endAngle),\n        percent: (value / total) * 100,\n      };\n    });\n  });\n\n  // Helpers\n\n  /** SVG path for one donut slice using outer and inner arcs. */\n  private arcPath(start: number, end: number): string {\n    const cx = 50;\n    const cy = 50;\n    const ro = this.outerR;\n    const ri = this.innerR();\n    const sweep = end - start;\n    if (sweep <= 0) return '';\n    // Full-circle slice — two halves so the arc can render.\n    if (sweep >= Math.PI * 2 - 1e-6) {\n      const path = [\n        `M ${cx + ro} ${cy}`,\n        `A ${ro} ${ro} 0 1 1 ${cx - ro} ${cy}`,\n        `A ${ro} ${ro} 0 1 1 ${cx + ro} ${cy}`,\n      ];\n      if (ri > 0) {\n        path.push(`M ${cx + ri} ${cy}`, `A ${ri} ${ri} 0 1 0 ${cx - ri} ${cy}`, `A ${ri} ${ri} 0 1 0 ${cx + ri} ${cy}`);\n      }\n      return path.join(' ');\n    }\n    const largeArc = sweep > Math.PI ? 1 : 0;\n    const sox = cx + ro * Math.cos(start);\n    const soy = cy + ro * Math.sin(start);\n    const eox = cx + ro * Math.cos(end);\n    const eoy = cy + ro * Math.sin(end);\n    if (ri === 0) {\n      return `M ${cx} ${cy} L ${sox.toFixed(2)} ${soy.toFixed(2)} A ${ro} ${ro} 0 ${largeArc} 1 ${eox.toFixed(2)} ${eoy.toFixed(2)} Z`;\n    }\n    const eix = cx + ri * Math.cos(end);\n    const eiy = cy + ri * Math.sin(end);\n    const six = cx + ri * Math.cos(start);\n    const siy = cy + ri * Math.sin(start);\n    return [\n      `M ${sox.toFixed(2)} ${soy.toFixed(2)}`,\n      `A ${ro} ${ro} 0 ${largeArc} 1 ${eox.toFixed(2)} ${eoy.toFixed(2)}`,\n      `L ${eix.toFixed(2)} ${eiy.toFixed(2)}`,\n      `A ${ri} ${ri} 0 ${largeArc} 0 ${six.toFixed(2)} ${siy.toFixed(2)}`,\n      'Z',\n    ].join(' ');\n  }\n}\n\nexport type { WrDonutSegment } from './interfaces';\n","<div class=\"wr-donut-chart__surface\" [style.width.px]=\"size()\">\n  <svg viewBox=\"0 0 100 100\" aria-hidden=\"true\">\n    @for (slice of slices(); track $index) {\n      <path [attr.d]=\"slice.path\" [attr.fill]=\"slice.color\" />\n    }\n  </svg>\n  @if (centerValue() || centerLabel()) {\n    <div class=\"wr-donut-chart__center\">\n      @if (centerValue()) {\n        <div class=\"wr-donut-chart__center-value\">{{ centerValue() }}</div>\n      }\n      @if (centerLabel()) {\n        <div class=\"wr-donut-chart__center-label\">{{ centerLabel() }}</div>\n      }\n    </div>\n  }\n</div>\n\n@if (showLegend()) {\n  <ul class=\"wr-donut-chart__legend\">\n    @for (slice of slices(); track $index) {\n      <li class=\"wr-donut-chart__legend-item\">\n        <span class=\"wr-donut-chart__swatch\" [style.background]=\"slice.color\"></span>\n        <span class=\"wr-donut-chart__legend-label\">{{ slice.label }}</span>\n        <span class=\"wr-donut-chart__legend-value\">{{ slice.value }}</span>\n      </li>\n    }\n  </ul>\n}\n","/**\n * Generated bundle index. 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