289 lines
9.6 KiB
JavaScript
289 lines
9.6 KiB
JavaScript
/**
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* EwoooC Chart Theme v3.0 — Production
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* ─────────────────────────────────────────────────────────────
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* 變更重點（相對 v2.x）：
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* 1. 動態讀取當前頁面 [data-page-group]，圖表自動換群組調色盤
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* 2. 移除 dotMatrixPlugin（chart 底圖點陣）— 干擾資料判讀
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* 3. 移除 alpha fill 預設（散布圖、長條圖背景透明度過低看不清）
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* 4. 字體統一走 var(--momo-font-mono) for tick / value
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* 5. 顏色映射保留 — 第三方 chart config 用冷色時自動轉暖色
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*
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* 群組調色盤：
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* monitor → caramel primary，apricot/honey/olive/clay/greige
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* analytics → honey primary，caramel/olive/apricot/clay/greige
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* ops → clay primary，terra/honey/caramel/apricot/greige
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* ai → saffron primary，honey/caramel/olive/apricot/greige
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* system → terra primary，clay/olive/greige/honey/apricot
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*/
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(function () {
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let chartJsLoader = null;
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const root = document.documentElement;
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const css = (name, fallback) =>
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getComputedStyle(root).getPropertyValue(name).trim() || fallback;
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function readPalette() {
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// 優先讀群組變數，沒有就 fallback 到 momo-warm-*
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const shell = document.querySelector('.momo-app[data-page-group]');
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const scope = shell || document.documentElement;
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const get = (n, fb) =>
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getComputedStyle(scope).getPropertyValue(n).trim() || fb;
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return [
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get('--momo-page-chart-1', '#c96442'),
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get('--momo-page-chart-2', '#e7b98f'),
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get('--momo-page-chart-3', '#c89043'),
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get('--momo-page-chart-4', '#8a7340'),
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get('--momo-page-chart-5', '#b86f52'),
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get('--momo-page-chart-6', '#b8aea2'),
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'#a85d3d',
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'#6f6256',
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'#d8c1aa',
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'#edd6cc'
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];
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}
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const theme = {
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font: css('--momo-font-family', '"Inter", "Noto Sans TC", sans-serif'),
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mono: css('--momo-font-mono', '"JetBrains Mono", monospace'),
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ink: css('--momo-text-primary', '#2a2520'),
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muted: css('--momo-text-secondary', '#6b6155'),
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faint: 'rgba(42, 37, 32, 0.10)',
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paper: css('--momo-bg-paper', '#f5efe2'),
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elevated: css('--momo-bg-elevated', '#fdfaf2')
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};
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const isCompact = () =>
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window.matchMedia && window.matchMedia('(max-width: 768px)').matches;
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const clamp = (v, mn, mx) => Math.max(mn, Math.min(mx, v));
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// 冷色 → 暖色映射（保留 v2 行為）
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const coldColorMap = {
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'#6366f1': '#c96442',
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'#3b82f6': '#4a6b85',
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'#8b5cf6': '#8f4530',
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'#10b981': '#5a7a3f',
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'#14b8a6': '#5a7a3f',
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'#0ea5e9': '#4a6b85',
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'#0284c7': '#4a6b85',
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'#94a3b8': '#8f857a',
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'#d1d5db': '#c7bcae',
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'#ec4899': '#b5342f',
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'#ef4444': '#b5342f',
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'#f59e0b': '#c89043'
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};
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const alpha = (hex, amount) => {
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if (!hex || !hex.startsWith('#') || hex.length < 7) return hex;
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const n = parseInt(hex.slice(1, 7), 16);
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return `rgba(${(n >> 16) & 255}, ${(n >> 8) & 255}, ${n & 255}, ${amount})`;
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};
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function mapColor(color, fb) {
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if (typeof color !== 'string') return color || fb;
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const k = color.trim().toLowerCase();
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return coldColorMap[k] || color;
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}
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function formatNumber(v) {
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if (typeof v !== 'number' || !Number.isFinite(v)) return v;
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return Math.abs(v) >= 10000
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? `${Math.round(v / 10000).toLocaleString()}萬`
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: v.toLocaleString();
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}
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function tuneDataset(ds, idx, type) {
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if (!ds || typeof ds !== 'object') return;
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const palette = readPalette();
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const color = palette[idx % palette.length];
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const t = ds.type || type;
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if (t === 'doughnut' || t === 'pie' || t === 'polarArea') {
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ds.backgroundColor = palette.map(c => alpha(c, 0.85));
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ds.borderColor = theme.elevated;
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ds.borderWidth = 2;
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return;
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}
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if (typeof ds.backgroundColor !== 'function') {
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ds.backgroundColor =
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t === 'line' ? alpha(color, ds.fill ? 0.18 : 0.0) : alpha(color, 0.78);
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}
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if (typeof ds.borderColor !== 'function') ds.borderColor = color;
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ds.borderWidth = ds.borderWidth || (t === 'line' ? 2 : 1);
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ds.borderRadius = ds.borderRadius ?? (t === 'bar' ? 3 : undefined);
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ds.borderSkipped = ds.borderSkipped ?? (t === 'bar' ? false : undefined);
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ds.pointRadius = ds.pointRadius ?? (t === 'line' ? 2 : undefined);
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ds.pointHoverRadius = ds.pointHoverRadius ?? (t === 'line' ? 4 : undefined);
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ds.pointBackgroundColor = ds.pointBackgroundColor || color;
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ds.pointBorderColor = ds.pointBorderColor || theme.elevated;
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ds.tension = ds.tension ?? (t === 'line' ? 0.32 : undefined);
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}
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function tuneChartConfig(config) {
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if (!config || typeof config !== 'object') return config;
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const type = config.type || 'bar';
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const datasets =
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config.data && Array.isArray(config.data.datasets)
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? config.data.datasets
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: [];
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datasets.forEach((d, i) => tuneDataset(d, i, type));
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config.options = config.options || {};
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config.options.responsive = config.options.responsive !== false;
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config.options.maintainAspectRatio = false;
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const plugins = (config.options.plugins = config.options.plugins || {});
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plugins.legend = {
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...(plugins.legend || {}),
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labels: {
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color: theme.muted,
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boxWidth: 10,
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boxHeight: 10,
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borderRadius: 2,
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padding: 12,
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font: { family: theme.mono, size: 11, weight: '600' },
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...((plugins.legend || {}).labels || {})
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}
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};
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plugins.tooltip = {
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...(plugins.tooltip || {}),
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backgroundColor: theme.elevated,
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titleColor: theme.ink,
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bodyColor: theme.ink,
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borderColor: theme.faint,
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borderWidth: 1,
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cornerRadius: 4,
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titleFont: { family: theme.mono, weight: '700', size: 12 },
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bodyFont: { family: theme.font, weight: '500', size: 12 },
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padding: 10,
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callbacks: {
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label: ctx => {
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const lbl =
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ctx.dataset && ctx.dataset.label ? `${ctx.dataset.label}: ` : '';
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const v =
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typeof ctx.parsed === 'object'
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? ctx.parsed.y ?? ctx.parsed.x ?? ctx.raw
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: ctx.parsed;
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return `${lbl}${formatNumber(v)}`;
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},
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...((plugins.tooltip || {}).callbacks || {})
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}
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};
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const scales = config.options.scales || {};
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Object.keys(scales).forEach(k => {
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scales[k] = {
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border: { color: theme.faint, ...(scales[k].border || {}) },
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grid: {
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color: theme.faint,
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tickColor: 'transparent',
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drawBorder: false,
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...(scales[k].grid || {})
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},
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ticks: {
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color: theme.muted,
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maxRotation: isCompact() ? 0 : 30,
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autoSkip: isCompact(),
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font: {
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family: theme.mono,
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size: isCompact() ? 10 : 11,
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weight: '500'
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},
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callback: v => formatNumber(v),
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...(scales[k].ticks || {})
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},
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...scales[k]
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};
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});
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config.options.scales = scales;
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return config;
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}
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function installChartJsTheme() {
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if (!window.Chart || window.Chart.__ewooocThemed) return;
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const Native = window.Chart;
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Native.defaults.font.family = theme.font;
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Native.defaults.font.size = 12;
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Native.defaults.color = theme.muted;
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function ThemedChart(item, config) {
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return new Native(item, tuneChartConfig(config));
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}
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for (const k of Reflect.ownKeys(Native)) {
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if (['length', 'name', 'prototype'].includes(k)) continue;
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try {
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Object.defineProperty(
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ThemedChart,
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k,
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Object.getOwnPropertyDescriptor(Native, k)
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);
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} catch (e) {}
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}
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ThemedChart.prototype = Native.prototype;
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Object.setPrototypeOf(ThemedChart, Native);
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ThemedChart.__ewooocThemed = true;
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window.Chart = ThemedChart;
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}
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function loadChartJs() {
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if (window.Chart) {
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installChartJsTheme();
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return Promise.resolve(window.Chart);
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}
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if (chartJsLoader) return chartJsLoader;
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chartJsLoader = new Promise((resolve, reject) => {
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const script = document.createElement('script');
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script.src = 'https://cdn.jsdelivr.net/npm/chart.js@4.4.6/dist/chart.umd.min.js';
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script.async = true;
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script.onload = () => {
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installChartJsTheme();
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resolve(window.Chart);
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};
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script.onerror = () => reject(new Error('Chart.js 載入失敗'));
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document.head.appendChild(script);
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});
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return chartJsLoader;
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}
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// ECharts 走精簡版（v2 完整 mergeAxis/tuneSeries 保留邏輯但用群組色）
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function installEchartsTheme() {
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if (!window.echarts || window.echarts.__ewooocThemed) return;
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const ec = window.echarts;
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const nativeInit = ec.init.bind(ec);
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ec.init = function (dom, themeName, opts) {
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const chart = nativeInit(dom, themeName || null, opts);
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const setOpt = chart.setOption.bind(chart);
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chart.setOption = function (opt, notMerge, lazy) {
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const palette = readPalette();
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const tuned = {
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...opt,
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color: palette,
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backgroundColor: 'transparent',
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textStyle: { color: theme.ink, fontFamily: theme.font }
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};
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return setOpt(tuned, notMerge, lazy);
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};
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if (window.ResizeObserver && dom) {
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new ResizeObserver(() =>
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requestAnimationFrame(() => chart.resize())
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).observe(dom);
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}
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return chart;
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};
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ec.__ewooocThemed = true;
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}
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window.EwoooCChartTheme = {
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readPalette,
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theme,
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tuneChartConfig,
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loadChartJs,
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installChartJsTheme,
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installEchartsTheme
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};
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installChartJsTheme();
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installEchartsTheme();
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})();
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