32 lines
616 B
TypeScript
32 lines
616 B
TypeScript
import type { DbRecipeItem } from 'utils/db'
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/**
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* 随机几道菜
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* @param total
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* @returns
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*/
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export function useRandomRecipe(total: Ref<number>) {
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const randomRecipes = ref<(DbRecipeItem | undefined)[]>([])
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async function random() {
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const length = await db.recipes.count()
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const randomArr = generateRandomArray(length, total.value)
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const result = await db.recipes.bulkGet(randomArr)
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if (result)
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randomRecipes.value = result.filter(item => !!item)
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}
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watch(total, () => {
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random()
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})
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onMounted(() => {
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random()
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})
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return {
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random,
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randomRecipes,
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}
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}
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