37 lines
1.0 KiB
TypeScript
37 lines
1.0 KiB
TypeScript
import type { Ref } from 'vue';
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import { computed, shallowRef } from 'vue';
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import type { LabeledValueType, RawValueType } from '../TreeSelect';
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/**
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* This function will try to call requestIdleCallback if available to save performance.
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* No need `getLabel` here since already fetch on `rawLabeledValue`.
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*/
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export default (values: Ref<LabeledValueType[]>): [Ref<LabeledValueType[]>] => {
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const cacheRef = shallowRef({
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valueLabels: new Map<RawValueType, any>(),
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});
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const newFilledValues = computed(() => {
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const { valueLabels } = cacheRef.value;
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const valueLabelsCache = new Map<RawValueType, any>();
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const filledValues = values.value.map(item => {
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const { value } = item;
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const mergedLabel = item.label ?? valueLabels.get(value);
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// Save in cache
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valueLabelsCache.set(value, mergedLabel);
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return {
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...item,
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label: mergedLabel,
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};
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});
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cacheRef.value.valueLabels = valueLabelsCache;
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return filledValues;
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});
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return [newFilledValues];
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};
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