EASYAIuniappNewUI/node_modules/@tuniao/tnui-vue3-uniapp/components/count-scroll/src/composables/use-count-scroll.ts
2025-02-08 18:50:38 +08:00

53 lines
1.5 KiB
TypeScript

import { computed, nextTick, ref, watch } from 'vue'
import { isEmptyVariableInDefault } from '../../../../utils'
import type { CountScrollProps } from '../count-scroll'
// 使用Array生成0-9的数组
const defaultNumberList = Array.from({ length: 10 }, (_, i) => String(i))
export const useCountScroll = (props: CountScrollProps) => {
// 每一列的数据
const columns = ref<string[][]>([])
// 每一列激活的数字的索引
const activeIndex = ref<number[]>([])
// 分割符保留字符
const separator = computed<string[]>(() => {
const { decimalSeparator, thousandsSeparator } = props
const separatorList = [
decimalSeparator,
isEmptyVariableInDefault(thousandsSeparator, ''),
]
return separatorList.filter((item) => item)
})
// 生成列数据并设置激活的索引
const _generateColumns = () => {
const { value } = props
const valueArr = String(value).split('')
// 如果是分割符则不填充defaultNumber数据
const _fillDefaultNumber = (item: string) => {
if (separator.value.includes(item)) return [item]
return defaultNumberList
}
columns.value = valueArr.map(_fillDefaultNumber)
nextTick(() => {
setTimeout(() => {
activeIndex.value = valueArr.map((item) => {
if (separator.value.includes(item)) return 0
return Number(item)
})
}, 50)
})
}
watch(() => props.value, _generateColumns, { immediate: true })
return {
columns,
activeIndex,
}
}