32 lines
968 B
JavaScript
32 lines
968 B
JavaScript
import { shallowRef, ref, watchEffect } from 'vue';
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export default function useMaxLevel(keyEntities) {
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const maxLevel = ref(0);
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const levelEntities = shallowRef();
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watchEffect(() => {
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const newLevelEntities = new Map();
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let newMaxLevel = 0;
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const keyEntitiesValue = keyEntities.value || {};
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// Convert entities by level for calculation
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for (const key in keyEntitiesValue) {
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if (Object.prototype.hasOwnProperty.call(keyEntitiesValue, key)) {
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const entity = keyEntitiesValue[key];
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const {
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level
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} = entity;
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let levelSet = newLevelEntities.get(level);
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if (!levelSet) {
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levelSet = new Set();
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newLevelEntities.set(level, levelSet);
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}
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levelSet.add(entity);
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newMaxLevel = Math.max(newMaxLevel, level);
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}
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}
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maxLevel.value = newMaxLevel;
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levelEntities.value = newLevelEntities;
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});
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return {
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maxLevel,
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levelEntities
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};
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} |