docs: fix vue example

examples/nuxt-example/components/ui/chart-line/LineChart.vue

@@ -0,0 +1,105 @@
+<script setup lang="ts" generic="T extends Record<string, any>">
+import { type BulletLegendItemInterface, CurveType } from '@unovis/ts'
+import { VisAxis, VisLine, VisXYContainer } from '@unovis/vue'
+import { Axis, Line } from '@unovis/ts'
+import { type Component, computed, ref } from 'vue'
+import { useMounted } from '@vueuse/core'
+import type { BaseChartProps } from '.'
+import { ChartCrosshair, ChartLegend, defaultColors } from '@/components/ui/chart'
+import { cn } from '@/lib/utils'
+
+const props = withDefaults(defineProps<BaseChartProps<T> & {
+  /**
+   * Render custom tooltip component.
+   */
+  customTooltip?: Component
+  /**
+   * Type of curve
+   */
+  curveType?: CurveType
+}>(), {
+  curveType: CurveType.MonotoneX,
+  filterOpacity: 0.2,
+  margin: () => ({ top: 0, bottom: 0, left: 0, right: 0 }),
+  showXAxis: true,
+  showYAxis: true,
+  showTooltip: true,
+  showLegend: true,
+  showGridLine: true,
+})
+
+const emits = defineEmits<{
+  legendItemClick: [d: BulletLegendItemInterface, i: number]
+}>()
+
+type KeyOfT = Extract<keyof T, string>
+type Data = typeof props.data[number]
+
+const index = computed(() => props.index as KeyOfT)
+const colors = computed(() => props.colors?.length ? props.colors : defaultColors(props.categories.length))
+
+const legendItems = ref<BulletLegendItemInterface[]>(props.categories.map((category, i) => ({
+  name: category,
+  color: colors.value[i],
+  inactive: false,
+})))
+
+const isMounted = useMounted()
+
+function handleLegendItemClick(d: BulletLegendItemInterface, i: number) {
+  emits('legendItemClick', d, i)
+}
+</script>
+
+<template>
+  <div :class="cn('w-full h-[400px] flex flex-col items-end', $attrs.class ?? '')">
+    <ChartLegend v-if="showLegend" v-model:items="legendItems" @legend-item-click="handleLegendItemClick" />
+
+    <VisXYContainer
+      :margin="{ left: 20, right: 20 }"
+      :data="data"
+      :style="{ height: isMounted ? '100%' : 'auto' }"
+    >
+      <ChartCrosshair v-if="showTooltip" :colors="colors" :items="legendItems" :index="index" :custom-tooltip="customTooltip" />
+
+      <template v-for="(category, i) in categories" :key="category">
+        <VisLine
+          :x="(d: Data, i: number) => i"
+          :y="(d: Data) => d[category]"
+          :curve-type="curveType"
+          :color="colors[i]"
+          :attributes="{
+            [Line.selectors.line]: {
+              opacity: legendItems.find(item => item.name === category)?.inactive ? filterOpacity : 1,
+            },
+          }"
+        />
+      </template>
+
+      <VisAxis
+        v-if="showXAxis"
+        type="x"
+        :tick-format="xFormatter ?? ((v: number) => data[v]?.[index])"
+        :grid-line="false"
+        :tick-line="false"
+        tick-text-color="hsl(var(--vis-text-color))"
+      />
+      <VisAxis
+        v-if="showYAxis"
+        type="y"
+        :tick-line="false"
+        :tick-format="yFormatter"
+        :domain-line="false"
+        :grid-line="showGridLine"
+        :attributes="{
+          [Axis.selectors.grid]: {
+            class: 'text-muted',
+          },
+        }"
+        tick-text-color="hsl(var(--vis-text-color))"
+      />
+
+      <slot />
+    </VisXYContainer>
+  </div>
+</template>

examples/nuxt-example/components/ui/chart-line/index.ts

@@ -0,0 +1,66 @@
+export { default as LineChart } from './LineChart.vue'
+
+import type { Spacing } from '@unovis/ts'
+
+type KeyOf<T extends Record<string, any>> = Extract<keyof T, string>
+
+export interface BaseChartProps<T extends Record<string, any>> {
+  /**
+   * The source data, in which each entry is a dictionary.
+   */
+  data: T[]
+  /**
+   * Select the categories from your data. Used to populate the legend and toolip.
+   */
+  categories: KeyOf<T>[]
+  /**
+   * Sets the key to map the data to the axis.
+   */
+  index: KeyOf<T>
+  /**
+   * Change the default colors.
+   */
+  colors?: string[]
+  /**
+   * Margin of each the container
+   */
+  margin?: Spacing
+  /**
+   * Change the opacity of the non-selected field
+   * @default 0.2
+   */
+  filterOpacity?: number
+  /**
+   * Function to format X label
+   */
+  xFormatter?: (tick: number | Date, i: number, ticks: number[] | Date[]) => string
+  /**
+   * Function to format Y label
+   */
+  yFormatter?: (tick: number | Date, i: number, ticks: number[] | Date[]) => string
+  /**
+   * Controls the visibility of the X axis.
+   * @default true
+   */
+  showXAxis?: boolean
+  /**
+   * Controls the visibility of the Y axis.
+   * @default true
+   */
+  showYAxis?: boolean
+  /**
+   * Controls the visibility of tooltip.
+   * @default true
+   */
+  showTooltip?: boolean
+  /**
+   * Controls the visibility of legend.
+   * @default true
+   */
+  showLegend?: boolean
+  /**
+   * Controls the visibility of gridline.
+   * @default true
+   */
+  showGridLine?: boolean
+}