init commit

resources/js/components/ui/chart/chart-container.svelte

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+<script lang="ts">
+	import { cn, type WithElementRef } from "@/lib/utils.js";
+	import type { HTMLAttributes } from "svelte/elements";
+	import ChartStyle from "./chart-style.svelte";
+	import { setChartContext, type ChartConfig } from "./chart-utils.js";
+
+	const uid = $props.id();
+
+	let {
+		ref = $bindable(null),
+		id = uid,
+		class: className,
+		children,
+		config,
+		...restProps
+	}: WithElementRef<HTMLAttributes<HTMLElement>> & {
+		config: ChartConfig;
+	} = $props();
+
+	const chartId = `chart-${id || uid.replace(/:/g, "")}`;
+
+	setChartContext({
+		get config() {
+			return config;
+		},
+	});
+</script>
+
+<div
+	bind:this={ref}
+	data-chart={chartId}
+	data-slot="chart"
+	class={cn(
+		// "flex aspect-video justify-center text-xs [&_.recharts-cartesian-axis-tick_text]:fill-muted-foreground [&_.recharts-cartesian-grid_line[stroke='#ccc']]:stroke-border/50 [&_.recharts-curve.recharts-tooltip-cursor]:stroke-border [&_.recharts-dot[stroke='#fff']]:stroke-transparent [&_.recharts-layer]:outline-none [&_.recharts-polar-grid_[stroke='#ccc']]:stroke-border [&_.recharts-radial-bar-background-sector]:fill-muted [&_.recharts-rectangle.recharts-tooltip-cursor]:fill-muted [&_.recharts-reference-line_[stroke='#ccc']]:stroke-border [&_.recharts-sector[stroke='#fff']]:stroke-transparent [&_.recharts-sector]:outline-none [&_.recharts-surface]:outline-none",
+		"flex aspect-video justify-center overflow-visible text-xs",
+		// Overrides
+		//
+		// Stroke around dots/marks when hovering
+		"[&_.stroke-white]:stroke-transparent",
+		// override the default stroke color of lines
+		"[&_.lc-line]:stroke-border/50",
+
+		// by default, layerchart shows a line intersecting the point when hovering, this hides that
+		"[&_.lc-highlight-line]:stroke-0",
+
+		// by default, when you hover a point on a stacked series chart, it will drop the opacity
+		// of the other series, this overrides that
+		"[&_.lc-area-path]:opacity-100 [&_.lc-highlight-line]:opacity-100 [&_.lc-highlight-point]:opacity-100 [&_.lc-spline-path]:opacity-100 [&_.lc-text]:text-xs",
+
+		// We don't want the little tick lines between the axis labels and the chart, so we remove
+		// the stroke. The alternative is to manually disable `tickMarks` on the x/y axis of every
+		// chart.
+		"[&_.lc-axis-tick]:stroke-0",
+
+		// We don't want to display the rule on the x/y axis, as there is already going to be
+		// a grid line there and rule ends up overlapping the marks because it is rendered after
+		// the marks
+		"[&_.lc-rule-x-line:not(.lc-grid-x-rule)]:stroke-0 [&_.lc-rule-y-line:not(.lc-grid-y-rule)]:stroke-0",
+		"[&_.lc-grid-x-radial-line]:stroke-border [&_.lc-grid-x-radial-circle]:stroke-border",
+		"[&_.lc-grid-y-radial-line]:stroke-border [&_.lc-grid-y-radial-circle]:stroke-border",
+
+		// Legend adjustments
+		"[&_.lc-legend-swatch-button]:items-center [&_.lc-legend-swatch-button]:gap-1.5",
+		"[&_.lc-legend-swatch-group]:items-center [&_.lc-legend-swatch-group]:gap-4",
+		"[&_.lc-legend-swatch]:size-2.5 [&_.lc-legend-swatch]:rounded-[2px]",
+
+		// Labels
+		"[&_.lc-labels-text:not([fill])]:fill-foreground [&_text]:stroke-transparent",
+
+		// Tick labels on th x/y axes
+		"[&_.lc-axis-tick-label]:fill-muted-foreground [&_.lc-axis-tick-label]:font-normal",
+		"[&_.lc-tooltip-rects-g]:fill-transparent",
+		"[&_.lc-layout-svg-g]:fill-transparent",
+		"[&_.lc-root-container]:w-full",
+		className
+	)}
+	{...restProps}
+>
+	<ChartStyle id={chartId} {config} />
+	{@render children?.()}
+</div>

resources/js/components/ui/chart/chart-style.svelte

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+<script lang="ts">
+	import { THEMES, type ChartConfig } from "./chart-utils.js";
+
+	let { id, config }: { id: string; config: ChartConfig } = $props();
+
+	const colorConfig = $derived(
+		config ? Object.entries(config).filter(([, config]) => config.theme || config.color) : null
+	);
+
+	const styleOpen = ">elyts<".split("").reverse().join("");
+	const styleClose = ">elyts/<".split("").reverse().join("");
+</script>
+
+{#if colorConfig && colorConfig.length}
+	{@const themeContents = Object.entries(THEMES)
+		.map(
+			([theme, prefix]) => `
+${prefix} [data-chart=${id}] {
+${colorConfig
+	.map(([key, itemConfig]) => {
+		const color =
+			itemConfig.theme?.[theme as keyof typeof itemConfig.theme] || itemConfig.color;
+		return color ? `  --color-${key}: ${color};` : null;
+	})
+	.join("\n")}
+}
+`
+		)
+		.join("\n")}
+
+	{#key id}
+		<!-- eslint-disable-next-line svelte/no-at-html-tags -->
+		{@html `${styleOpen}
+		${themeContents}
+	${styleClose}`}
+	{/key}
+{/if}

resources/js/components/ui/chart/chart-tooltip.svelte

@@ -0,0 +1,159 @@
+<script lang="ts">
+	import { cn, type WithElementRef, type WithoutChildren } from "@/lib/utils.js";
+	import type { HTMLAttributes } from "svelte/elements";
+	import { getPayloadConfigFromPayload, useChart, type TooltipPayload } from "./chart-utils.js";
+	import { getTooltipContext, Tooltip as TooltipPrimitive } from "layerchart";
+	import type { Snippet } from "svelte";
+
+	// eslint-disable-next-line @typescript-eslint/no-explicit-any
+	function defaultFormatter(value: any, _payload: TooltipPayload[]) {
+		return `${value}`;
+	}
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		hideLabel = false,
+		indicator = "dot",
+		hideIndicator = false,
+		labelKey,
+		label,
+		labelFormatter = defaultFormatter,
+		labelClassName,
+		formatter,
+		nameKey,
+		color,
+		...restProps
+	}: WithoutChildren<WithElementRef<HTMLAttributes<HTMLDivElement>>> & {
+		hideLabel?: boolean;
+		label?: string;
+		indicator?: "line" | "dot" | "dashed";
+		nameKey?: string;
+		labelKey?: string;
+		hideIndicator?: boolean;
+		labelClassName?: string;
+		labelFormatter?: // eslint-disable-next-line @typescript-eslint/no-explicit-any
+		((value: any, payload: TooltipPayload[]) => string | number | Snippet) | null;
+		formatter?: Snippet<
+			[
+				{
+					value: unknown;
+					name: string;
+					item: TooltipPayload;
+					index: number;
+					payload: TooltipPayload[];
+				},
+			]
+		>;
+	} = $props();
+
+	const chart = useChart();
+	const tooltipCtx = getTooltipContext();
+
+	const formattedLabel = $derived.by(() => {
+		if (hideLabel || !tooltipCtx.payload?.length) return null;
+
+		const [item] = tooltipCtx.payload;
+		const key = labelKey || item?.label || item?.name || "value";
+
+		const itemConfig = getPayloadConfigFromPayload(chart.config, item, key);
+
+		const value =
+			!labelKey && typeof label === "string"
+				? chart.config[label as keyof typeof chart.config]?.label || label
+				: (itemConfig?.label ?? item.label);
+
+		if (!value) return null;
+		if (!labelFormatter) return value;
+		return labelFormatter(value, tooltipCtx.payload);
+	});
+
+	const nestLabel = $derived(tooltipCtx.payload.length === 1 && indicator !== "dot");
+</script>
+
+{#snippet TooltipLabel()}
+	{#if formattedLabel}
+		<div class={cn("font-medium", labelClassName)}>
+			{#if typeof formattedLabel === "function"}
+				{@render formattedLabel()}
+			{:else}
+				{formattedLabel}
+			{/if}
+		</div>
+	{/if}
+{/snippet}
+
+<TooltipPrimitive.Root variant="none">
+	<div
+		class={cn(
+			"border-border/50 bg-background grid min-w-[9rem] items-start gap-1.5 rounded-lg border px-2.5 py-1.5 text-xs shadow-xl",
+			className
+		)}
+		{...restProps}
+	>
+		{#if !nestLabel}
+			{@render TooltipLabel()}
+		{/if}
+		<div class="grid gap-1.5">
+			{#each tooltipCtx.payload as item, i (item.key + i)}
+				{@const key = `${nameKey || item.key || item.name || "value"}`}
+				{@const itemConfig = getPayloadConfigFromPayload(chart.config, item, key)}
+				{@const indicatorColor = color || item.payload?.color || item.color}
+				<div
+					class={cn(
+						"[&>svg]:text-muted-foreground flex w-full flex-wrap items-stretch gap-2 [&>svg]:size-2.5",
+						indicator === "dot" && "items-center"
+					)}
+				>
+					{#if formatter && item.value !== undefined && item.name}
+						{@render formatter({
+							value: item.value,
+							name: item.name,
+							item,
+							index: i,
+							payload: tooltipCtx.payload,
+						})}
+					{:else}
+						{#if itemConfig?.icon}
+							<itemConfig.icon />
+						{:else if !hideIndicator}
+							<div
+								style="--color-bg: {indicatorColor}; --color-border: {indicatorColor};"
+								class={cn(
+									"border-(--color-border) bg-(--color-bg) shrink-0 rounded-[2px]",
+									{
+										"size-2.5": indicator === "dot",
+										"h-full w-1": indicator === "line",
+										"w-0 border-[1.5px] border-dashed bg-transparent":
+											indicator === "dashed",
+										"my-0.5": nestLabel && indicator === "dashed",
+									}
+								)}
+							></div>
+						{/if}
+						<div
+							class={cn(
+								"flex flex-1 shrink-0 justify-between leading-none",
+								nestLabel ? "items-end" : "items-center"
+							)}
+						>
+							<div class="grid gap-1.5">
+								{#if nestLabel}
+									{@render TooltipLabel()}
+								{/if}
+								<span class="text-muted-foreground">
+									{itemConfig?.label || item.name}
+								</span>
+							</div>
+							{#if item.value}
+								<span class="text-foreground font-mono font-medium tabular-nums">
+									{item.value.toLocaleString()}
+								</span>
+							{/if}
+						</div>
+					{/if}
+				</div>
+			{/each}
+		</div>
+	</div>
+</TooltipPrimitive.Root>

resources/js/components/ui/chart/chart-utils.ts

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+import type { Tooltip } from "layerchart";
+import { getContext, setContext, type Component, type ComponentProps, type Snippet } from "svelte";
+
+export const THEMES = { light: "", dark: ".dark" } as const;
+
+export type ChartConfig = {
+	[k in string]: {
+		label?: string;
+		icon?: Component;
+	} & (
+		| { color?: string; theme?: never }
+		| { color?: never; theme: Record<keyof typeof THEMES, string> }
+	);
+};
+
+export type ExtractSnippetParams<T> = T extends Snippet<[infer P]> ? P : never;
+
+export type TooltipPayload = ExtractSnippetParams<
+	ComponentProps<typeof Tooltip.Root>["children"]
+>["payload"][number];
+
+// Helper to extract item config from a payload.
+export function getPayloadConfigFromPayload(
+	config: ChartConfig,
+	payload: TooltipPayload,
+	key: string
+) {
+	if (typeof payload !== "object" || payload === null) return undefined;
+
+	const payloadPayload =
+		"payload" in payload && typeof payload.payload === "object" && payload.payload !== null
+			? payload.payload
+			: undefined;
+
+	let configLabelKey: string = key;
+
+	if (payload.key === key) {
+		configLabelKey = payload.key;
+	} else if (payload.name === key) {
+		configLabelKey = payload.name;
+	} else if (key in payload && typeof payload[key as keyof typeof payload] === "string") {
+		configLabelKey = payload[key as keyof typeof payload] as string;
+	} else if (
+		payloadPayload &&
+		key in payloadPayload &&
+		typeof payloadPayload[key as keyof typeof payloadPayload] === "string"
+	) {
+		configLabelKey = payloadPayload[key as keyof typeof payloadPayload] as string;
+	}
+
+	return configLabelKey in config ? config[configLabelKey] : config[key as keyof typeof config];
+}
+
+type ChartContextValue = {
+	config: ChartConfig;
+};
+
+const chartContextKey = Symbol("chart-context");
+
+export function setChartContext(value: ChartContextValue) {
+	return setContext(chartContextKey, value);
+}
+
+export function useChart() {
+	return getContext<ChartContextValue>(chartContextKey);
+}

resources/js/components/ui/chart/index.ts

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+import ChartContainer from "./chart-container.svelte";
+import ChartTooltip from "./chart-tooltip.svelte";
+
+export { getPayloadConfigFromPayload, type ChartConfig } from "./chart-utils.js";
+
+export { ChartContainer, ChartTooltip, ChartContainer as Container, ChartTooltip as Tooltip };