feat(792-binary-search): add py3 solution

.scripts/addnew

@@ -0,0 +1,55 @@
+#!/usr/bin/env zx
+
+import Turndown from "turndown";
+import { client, gql } from "./graphql.mjs";
+
+const langExt = { python3: "py", nodejs: "js", cpp: "cpp" };
+
+const link = await question("Enter leetcode problem link: ");
+const titleSlug = path.basename(new URL(link).pathname);
+
+const language = await question("Enter language: ", {
+  choices: Object.keys(langExt),
+});
+
+const { question: q } = await client.request(
+  gql`
+    query questionData($titleSlug: String!) {
+      question(titleSlug: $titleSlug) {
+        questionId
+        questionFrontendId
+        boundTopicId
+        title
+        titleSlug
+        content
+      }
+    }
+  `,
+  {
+    titleSlug,
+  }
+);
+
+const questionIdPadded = q.questionId.padStart(4, "0");
+const questionDir = `${questionIdPadded}_${q.titleSlug}`;
+const solutionDir = `${questionDir}/${language}`;
+const solutionFilePath = `${solutionDir}/solution.${langExt[language]}`;
+
+const td = new Turndown({});
+td.addRule("pre-code", {
+  filter: "pre",
+  replacement(content) {
+    return "```\n" + content + "```";
+  },
+});
+const mdBody = td.turndown(q.content);
+
+await $`mkdir -p ${solutionDir}`;
+await $`touch ${solutionFilePath}`;
+
+fs.writeFileSync(`${questionDir}/README.md`, mdBody, { encoding: "utf-8" });
+
+// TODO: Wait for solution to be pasted and saved
+// TODO: If above is successful (prompt for a key), then git add . and git commit
+
+console.log("Done!");

.scripts/graphql.mjs

@@ -0,0 +1,23 @@
+import { request, GraphQLClient, gql } from "graphql-request";
+
+const customFetch = require("fetch-cookie")(fetch);
+export const client = new GraphQLClient("https://leetcode.com/graphql", {
+  headers: {
+    Referer: "https://leetcode.com",
+  },
+  fetch: customFetch,
+});
+
+const lastFetch = await customFetch("https://leetcode.com", {
+  redirect: "follow",
+  headers: {
+    Referer: "https://leetcode.com",
+  },
+});
+
+client.setHeader(
+  "x-csrftoken",
+  /csrftoken=([^;]+)/.exec(lastFetch.headers.get("set-cookie"))[1]
+);
+
+export { gql };