feat: init

components/ui/chart/ChartCrosshair.vue

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+<script setup lang="ts">
+import { VisCrosshair, VisTooltip } from '@unovis/vue'
+import type { BulletLegendItemInterface } from '@unovis/ts'
+import { omit } from '@unovis/ts'
+import { type Component, createApp } from 'vue'
+import { ChartTooltip } from '.'
+
+const props = withDefaults(defineProps<{
+  colors: string[]
+  index: string
+  items: BulletLegendItemInterface[]
+  customTooltip?: Component
+}>(), {
+  colors: () => [],
+})
+
+// Use weakmap to store reference to each datapoint for Tooltip
+const wm = new WeakMap()
+function template(d: any) {
+  if (wm.has(d)) {
+    return wm.get(d)
+  }
+  else {
+    const componentDiv = document.createElement('div')
+    const omittedData = Object.entries(omit(d, [props.index])).map(([key, value]) => {
+      const legendReference = props.items.find(i => i.name === key)
+      return { ...legendReference, value }
+    })
+    const TooltipComponent = props.customTooltip ?? ChartTooltip
+    createApp(TooltipComponent, { title: d[props.index].toString(), data: omittedData }).mount(componentDiv)
+    wm.set(d, componentDiv.innerHTML)
+    return componentDiv.innerHTML
+  }
+}
+
+function color(d: unknown, i: number) {
+  return props.colors[i] ?? 'transparent'
+}
+</script>
+
+<template>
+  <VisTooltip
+    :horizontal-shift="20"
+    :vertical-shift="20"
+  />
+  <VisCrosshair
+    :template="template"
+    :color="color"
+  />
+</template>

components/ui/chart/ChartLegend.vue

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+<script setup lang="ts">
+import { VisBulletLegend } from '@unovis/vue'
+import type { BulletLegendItemInterface } from '@unovis/ts'
+import { BulletLegend } from '@unovis/ts'
+import { nextTick, onMounted, ref } from 'vue'
+import { buttonVariants } from '@/components/ui/button'
+
+const props = withDefaults(defineProps<{ items: BulletLegendItemInterface[] }>(), {
+  items: () => [],
+})
+
+const emits = defineEmits<{
+  'legendItemClick': [d: BulletLegendItemInterface, i: number]
+  'update:items': [payload: BulletLegendItemInterface[]]
+}>()
+
+const elRef = ref<HTMLElement>()
+
+onMounted(() => {
+  const selector = `.${BulletLegend.selectors.item}`
+  nextTick(() => {
+    const elements = elRef.value?.querySelectorAll(selector)
+    const classes = buttonVariants({ variant: 'ghost', size: 'xs' }).split(' ')
+    elements?.forEach(el => el.classList.add(...classes, '!inline-flex', '!mr-2'))
+  })
+})
+
+function onLegendItemClick(d: BulletLegendItemInterface, i: number) {
+  emits('legendItemClick', d, i)
+  const isBulletActive = !props.items[i].inactive
+  const isFilterApplied = props.items.some(i => i.inactive)
+  if (isFilterApplied && isBulletActive) {
+    // reset filter
+    emits('update:items', props.items.map(item => ({ ...item, inactive: false })))
+  }
+  else {
+    // apply selection, set other item as inactive
+    emits('update:items', props.items.map(item => item.name === d.name ? ({ ...d, inactive: false }) : { ...item, inactive: true }))
+  }
+}
+</script>
+
+<template>
+  <div
+    ref="elRef"
+    class="w-max"
+  >
+    <VisBulletLegend
+      :items="items"
+      :on-legend-item-click="onLegendItemClick"
+    />
+  </div>
+</template>

components/ui/chart/ChartSingleTooltip.vue

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+<script setup lang="ts">
+import { VisTooltip } from '@unovis/vue'
+import type { BulletLegendItemInterface } from '@unovis/ts'
+import { omit } from '@unovis/ts'
+import { type Component, createApp } from 'vue'
+import { ChartTooltip } from '.'
+
+const props = withDefaults(defineProps<{
+  selector: string
+  index: string
+  items?: BulletLegendItemInterface[]
+  valueFormatter?: (tick: number, i?: number, ticks?: number[]) => string
+  customTooltip?: Component
+}>(), {
+  valueFormatter: (tick: number) => `${tick}`,
+})
+
+// Use weakmap to store reference to each datapoint for Tooltip
+const wm = new WeakMap()
+function template(d: any, i: number, elements: (HTMLElement | SVGElement)[]) {
+  if (props.index in d) {
+    if (wm.has(d)) {
+      return wm.get(d)
+    }
+    else {
+      const componentDiv = document.createElement('div')
+      const omittedData = Object.entries(omit(d, [props.index])).map(([key, value]) => {
+        const legendReference = props.items?.find(i => i.name === key)
+        return { ...legendReference, value: props.valueFormatter(value) }
+      })
+      const TooltipComponent = props.customTooltip ?? ChartTooltip
+      createApp(TooltipComponent, { title: d[props.index], data: omittedData }).mount(componentDiv)
+      wm.set(d, componentDiv.innerHTML)
+      return componentDiv.innerHTML
+    }
+  }
+
+  else {
+    const data = d.data
+
+    if (wm.has(data)) {
+      return wm.get(data)
+    }
+    else {
+      const style = getComputedStyle(elements[i])
+      const omittedData = [{ name: data.name, value: props.valueFormatter(data[props.index]), color: style.fill }]
+      const componentDiv = document.createElement('div')
+      const TooltipComponent = props.customTooltip ?? ChartTooltip
+      createApp(TooltipComponent, { title: d[props.index], data: omittedData }).mount(componentDiv)
+      wm.set(d, componentDiv.innerHTML)
+      return componentDiv.innerHTML
+    }
+  }
+}
+</script>
+
+<template>
+  <VisTooltip
+    :horizontal-shift="20"
+    :vertical-shift="20"
+    :triggers="{
+      [selector]: template,
+    }"
+  />
+</template>

components/ui/chart/ChartTooltip.vue

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+<script setup lang="ts">
+import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
+
+defineProps<{
+  title?: string
+  data: {
+    name: string
+    color: string
+    value: any
+  }[]
+}>()
+</script>
+
+<template>
+  <Card class="text-sm">
+    <CardHeader
+      v-if="title"
+      class="p-3 border-b"
+    >
+      <CardTitle>
+        {{ title }}
+      </CardTitle>
+    </CardHeader>
+    <CardContent class="p-3 min-w-[180px] flex flex-col gap-1">
+      <div
+        v-for="(item, key) in data"
+        :key="key"
+        class="flex justify-between"
+      >
+        <div class="flex items-center">
+          <span class="w-2.5 h-2.5 mr-2">
+            <svg
+              width="100%"
+              height="100%"
+              viewBox="0 0 30 30"
+            >
+              <path
+                d=" M 15 15 m -14, 0 a 14,14 0 1,1 28,0 a 14,14 0 1,1 -28,0"
+                :stroke="item.color"
+                :fill="item.color"
+                stroke-width="1"
+              />
+            </svg>
+          </span>
+          <span>{{ item.name }}</span>
+        </div>
+        <span class="ml-4 font-semibold">{{ item.value }}</span>
+      </div>
+    </CardContent>
+  </Card>
+</template>

components/ui/chart/index.ts

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+export { default as ChartTooltip } from './ChartTooltip.vue'
+export { default as ChartSingleTooltip } from './ChartSingleTooltip.vue'
+export { default as ChartLegend } from './ChartLegend.vue'
+export { default as ChartCrosshair } from './ChartCrosshair.vue'
+
+export function defaultColors(count: number = 3) {
+  const quotient = Math.floor(count / 2)
+  const remainder = count % 2
+
+  const primaryCount = quotient + remainder
+  const secondaryCount = quotient
+  return [
+    ...Array.from(Array(primaryCount).keys()).map(i => `hsl(var(--vis-primary-color) / ${1 - (1 / primaryCount) * i})`),
+    ...Array.from(Array(secondaryCount).keys()).map(i => `hsl(var(--vis-secondary-color) / ${1 - (1 / secondaryCount) * i})`),
+  ]
+}
+
+export * from './interface'

components/ui/chart/interface.ts

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+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
+}