getData.js

import fs from "fs/promises";

const year = new Date().getFullYear(), month = new Date().getMonth();

fetch("https://leetcode.cn/graphql/", {
	method: "post",
	headers: {
		'Accept': 'application/json',
		'Content-Type': 'application/json',
	},
	body: JSON.stringify({
		"query": "\n    query dailyQuestionRecords($year: Int!, $month: Int!) {\n  dailyQuestionRecords(year: $year, month: $month) {\n    date\n    userStatus\n    question {\n      difficulty\n      questionFrontendId\n      title\n      titleSlug\n      translatedTitle\n    }\n  }\n}\n    ",
		"variables": {
			"year": year,
			"month": month + 1
		},
		"operationName": "dailyQuestionRecords"
	}),
	credentials: "include",
}).then((res) => {
	res.json().then((rb) => {
		const questions = rb.data.dailyQuestionRecords;
		fs.readFile(`./src/assets/${year}.json`, 'utf8').then(buf => {
			const data = JSON.parse(buf)
			if (data.daily.month.length <= month) {
				data.daily.month.push([]);
			}

			while (data.daily.month[month].length < questions.length) {
				// questions are reversed
				const idx = questions.length - 1 - data.daily.month[month].length;
				const { date, question } = questions[idx];
				const { difficulty, questionFrontendId, translatedTitle, titleSlug } = question;

				const record = {
					date: date.split("-").map(Number).join("/"),
					no: questionFrontendId,
					name: translatedTitle,
					slug: titleSlug,
					difficulty: difficulty === "Easy" ? "简单" : (difficulty === "Medium" ? "中等" : "困难"),
					rating: null,
					situation: "",
					method: "",
					learn: "",
					unknown: "",
				}
				data.daily.month[month].push(record);
			}

			fs.writeFile(`./src/assets/${year}.json`, JSON.stringify(data, null, 2));

		}).catch(error => {
			console.error(error);
		});

	})
});