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ant-design-vue/components/vc-picker/hooks/useValueTexts.ts

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1.6 KiB

import type { ComputedRef, Ref } from 'vue';
import { computed } from 'vue';
import useMemo from '../../_util/hooks/useMemo';
import shallowequal from '../../_util/shallowequal';
import type { GenerateConfig } from '../generate';
import type { CustomFormat, Locale } from '../interface';
import { formatValue } from '../utils/dateUtil';
export type ValueTextConfig<DateType> = {
formatList: ComputedRef<(string | CustomFormat<DateType>)[]>;
generateConfig: Ref<GenerateConfig<DateType>>;
locale: Ref<Locale>;
};
export default function useValueTexts<DateType>(
value: Ref<DateType | null>,
{ formatList, generateConfig, locale }: ValueTextConfig<DateType>,
): [ComputedRef<string[]>, ComputedRef<string>] {
const texts = useMemo<[string[], string]>(
() => {
if (!value.value) {
return [[''], ''];
}
// We will convert data format back to first format
let firstValueText = '';
const fullValueTexts: string[] = [];
for (let i = 0; i < formatList.value.length; i += 1) {
const format = formatList.value[i];
const formatStr = formatValue(value.value, {
generateConfig: generateConfig.value,
locale: locale.value,
format,
});
fullValueTexts.push(formatStr);
if (i === 0) {
firstValueText = formatStr;
}
}
return [fullValueTexts, firstValueText];
},
[value, formatList],
(next, prev) => prev[0] !== next[0] || !shallowequal(prev[1], next[1]),
);
const fullValueTexts = computed(() => texts.value[0]);
const firstValueText = computed(() => texts.value[1]);
return [fullValueTexts, firstValueText];
}