element-plus/docs/examples/date-picker/month-range.vue

<template>
  <div class="demo-date-picker">
    <div class="block">
      <span class="demonstration">Default</span>
      <el-date-picker
        v-model="value1"
        type="monthrange"
        range-separator="To"
        start-placeholder="Start month"
        end-placeholder="End month"
      >
      </el-date-picker>
    </div>
    <div class="block">
      <span class="demonstration">With quick options</span>
      <el-date-picker
        v-model="value2"
        type="monthrange"
        unlink-panels
        range-separator="To"
        start-placeholder="Start month"
        end-placeholder="End month"
        :shortcuts="shortcuts"
      >
      </el-date-picker>
    </div>
  </div>
</template>

<script lang="ts">
import { defineComponent, reactive, toRefs } from 'vue'

export default defineComponent({
  setup() {
    const state = reactive({
      shortcuts: [
        {
          text: 'This month',
          value: [new Date(), new Date()],
        },
        {
          text: 'This year',
          value: () => {
            const end = new Date()
            const start = new Date(new Date().getFullYear(), 0)
            return [start, end]
          },
        },
        {
          text: 'Last 6 months',
          value: () => {
            const end = new Date()
            const start = new Date()
            start.setMonth(start.getMonth() - 6)
            return [start, end]
          },
        },
      ],
      value1: '',
      value2: '',
    })

    return {
      ...toRefs(state),
    }
  },
})
</script>