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mol
2023-12-14 13:52:46 +08:00
parent 164b6fa28e
commit d7a341afd0

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@ -1,23 +1,18 @@
import getDb from '../db/index.js'; import getDb from '../db/index.js';
import logger from '#root/utils/logger.js'
export async function getRandomRecipe(limit = 5) { export async function getRandomRecipe(limit = 5) {
logger(`随机${limit}个食谱`) logger(`随机${limit}个食谱`)
const data = await getDb(); const data = await getDb();
const len = data.length; const len = data.length;
logger(len)
const list = []; const list = [];
const indexList = new Set(); const indexList = new Set();
while (indexList.size < limit) {
while (indexList.size === limit) {
const index = Math.floor(Math.random() * len); const index = Math.floor(Math.random() * len);
logger(`index: ${index}`)
if (!indexList.has(index)) { if (!indexList.has(index)) {
indexList.set(index); indexList.add(index);
list.push(data[index]); list.push(data[index]);
} }
} }
logger(list.length)
return list; return list;
} }