docs: update calendar/date-class demo (#23)

Co-authored-by: GU Yiling <justice360@gmail.com>

one/docs/components/calendar.md

@@ -44,6 +44,12 @@
 
 [[ demo src="/demo/calendar/date-class.vue" ]]
 
+### 自定义日期内容
+
+通过 [`before`](#slots-before) 插槽来自定义前置内容。
+
+[[ demo src="/demo/calendar/slots.vue" ]]
+
 ## API
 
 ### 属性

one/docs/demo/calendar/date-class.vue

@@ -2,24 +2,117 @@
 <article>
   <section>
     <veui-calendar
-      date-class="custom-date"
+      class="demo-date-class"
+      :date-class="holidayClass"
     />
   </section>
 </article>
 </template>
 
 <script>
+import { isString, inRange } from 'lodash'
 import { Calendar } from 'veui'
 
+const holidays = [
+  [true, ['2022-1-1', '2022-1-3']],
+
+  [true, ['2022-1-31', '2022-2-6']],
+  [false, ['2022-1-29', '2022-1-30']],
+
+  [true, ['2022-4-3', '2022-4-5']],
+  [false, '2022-4-2'],
+
+  [true, ['2022-4-30', '2022-5-4']],
+  [false, '2022-4-24', '2022-5-7'],
+
+  [true, ['2022-6-3', '2022-6-5']],
+
+  [true, ['2022-9-10', '2022-9-12']],
+
+  [true, ['2022-10-1', '2022-10-7']],
+  [false, ['2022-10-8', '2022-10-9']]
+]
+
 export default {
   components: {
     'veui-calendar': Calendar
+  },
+  computed: {
+    isHoliday () {
+      const items = holidays.map(function ([isHoliday, ...dateRanges]) {
+        dateRanges = dateRanges.map(range => isString(range) ? [range, range] : range)
+          .map(([start, end]) => [parseDateString(start), parseDateString(end, true)])
+        return [isHoliday, dateRanges]
+      })
+      return function (date) {
+        const time = date.getTime()
+        const match = items.find(([, ranges]) => ranges.some(([start, end]) => inRange(time, start, end)))
+        return match ? match[0] : undefined
+      }
+    }
+  },
+  methods: {
+    holidayClass (date) {
+      const r = this.isHoliday(date)
+      if (r !== undefined) {
+        return r ? 'x-holiday' : 'x-workday'
+      }
+      return [0, 6].includes(date.getDay()) ? 'x-weekend' : undefined
+    }
   }
 }
+
+function parseDateString (str, isEnd) {
+  const [year, month, day] = str.split('-')
+  return new Date(year, month - 1, isEnd ? +day + 1 : day, 0, 0, 0).getTime()
+}
 </script>
 
 <style lang="less">
-.custom-date {
-  font-style: italic;
+.demo-date-class {
+  .x-holiday button,
+  .x-workday button {
+    position: relative;
+    border: 1px solid red;
+
+    &::before {
+      content: "";
+      position: absolute;
+      top: -1px;
+      right: -1px;
+      width: 0;
+      height: 0;
+      border-style: solid;
+      border-width: 0 20px 20px 0;
+      border-color: transparent #ff2600 transparent transparent;
+
+    }
+    &::after {
+      content: "假";
+      position: absolute;
+      top: -1px;
+      right: -1px;
+      font-size: 9px;
+      font-weight: bold;
+      color: white;
+    }
+  }
+  .x-workday button {
+    border: 1px solid blue;
+    &::before {
+      border-color: transparent blue transparent transparent;
+    }
+    &::after {
+      content: "班";
+    }
+  }
+  .x-weekend button {
+    opacity: .6;
+  }
+  .veui-calendar-aux {
+    button {
+      display: none;
+    }
+  }
 }
 </style>

one/docs/demo/calendar/slots.vue

@@ -0,0 +1,70 @@
+<template>
+<article>
+  <veui-calendar class="default" v-model="date">
+    <template #before>
+      <div class="before">
+        <veui-button ui="s basic" @click="pickDay(-1)">Yesterday</veui-button>
+        <veui-button ui="s basic" @click="pickDay(0)">Today</veui-button>
+        <veui-button ui="s basic" @click="pickDay(1)">Tomorrow</veui-button>
+      </div>
+    </template>
+    <template #date="d">
+      <sup v-if="d.date === 1" class="month-tip">{{ formatMonth(d) }}</sup>
+      {{ d.date }}
+    </template>
+  </veui-calendar>
+</article>
+</template>
+
+<script>
+import { Calendar, Button } from 'veui'
+
+const formatter = new Intl.DateTimeFormat('zh-CN', { month: 'long' })
+
+export default {
+  components: {
+    'veui-calendar': Calendar,
+    'veui-button': Button
+  },
+  data () {
+    return {
+      date: new Date()
+    }
+  },
+  methods: {
+    pickDay (d) {
+      let date = new Date()
+      date.setDate(date.getDate() + d)
+      this.date = date
+    },
+    formatMonth ({ year, month, date }) {
+      return formatter.format(new Date(year, month, date))
+    }
+  }
+}
+</script>
+
+<style lang="less" scoped>
+.default {
+  /deep/ .veui-calendar-day,
+  /deep/ .veui-calendar-aux {
+    button {
+      position: relative;
+    }
+  }
+}
+.month-tip {
+  position: absolute;
+  top: -1px;
+  left: -2px;
+  right: -2px;
+  text-align: center;
+  color: #848b99;
+}
+.before {
+  padding: 4px;
+  border-bottom: 1px solid #d8d8d8;
+  display: flex;
+  justify-content: space-around;
+}
+</style>