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https://github.com/yangshun/tech-interview-handbook.git
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[questions][chore] add questions seeding script (#450)
This commit is contained in:
Jeff Sieu
@ -9,7 +9,8 @@
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"lint": "next lint",
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"tsc": "tsc",
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"postinstall": "prisma generate",
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"seed": "ts-node prisma/seed.ts"
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"seed": "ts-node prisma/seed.ts",
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"seed-questions": "ts-node prisma/seed-questions.ts"
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},
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"dependencies": {
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"@headlessui/react": "^1.7.3",
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207
apps/portal/prisma/seed-questions.ts
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207
apps/portal/prisma/seed-questions.ts
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@ -0,0 +1,207 @@
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import { PrismaClient } from '@prisma/client';
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import { JobTitleLabels } from '../src/components/shared/JobTitles';
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const prisma = new PrismaClient();
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type QuestionCreateData = Parameters<
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typeof prisma.questionsQuestion.create
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>[0]['data'];
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function selectRandomRole() {
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const roles = Object.keys(JobTitleLabels);
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const randomIndex = Math.floor(Math.random() * roles.length);
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return roles[randomIndex];
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}
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function generateRandomDate() {
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// Return a date between 2020 and 2022.
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const start = new Date(2020, 0, 1);
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const end = new Date(2022, 0, 1);
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return new Date(
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start.getTime() + Math.random() * (end.getTime() - start.getTime()),
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);
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}
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function generateRandomCodingAnswer() {
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return CODING_ANSWER_CONTENT[
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Math.floor(Math.random() * CODING_ANSWER_CONTENT.length)
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];
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}
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function generateRandomBehavioralAnswer() {
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return BEHAVIORAL_ANSWER_CONTENT[
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Math.floor(Math.random() * BEHAVIORAL_ANSWER_CONTENT.length)
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];
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}
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const CODING_QUESTION_CONTENT = [
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'Given a string, find the length of the longest substring without repeating characters.',
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'Given an array of integers, return indices of the two numbers such that they add up to a specific target.',
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'Given a contiguous sequence of numbers in which each number repeats thrice, there is exactly one missing number. Find the missing number.',
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'Find the contiguous subarray within an array (containing at least one number) which has the largest product.',
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'Find a contiguous subarray which has the largest sum.',
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];
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const BEHAVIORAL_QUESTION_CONTENT = [
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'Tell me about a time you had to work with a difficult person.',
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'Rate your communication skills on a scale of 1 to 10.',
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'Are you a team player?',
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'What is your greatest weakness?',
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'What is your greatest strength?',
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'What is your biggest accomplishment?',
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'What is your biggest failure?',
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'Be honest, how would your friends describe you?',
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'How do you handle stress?',
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'Let’s say you have a deadline to meet. How do you prioritize your work?',
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];
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const CODING_ANSWER_CONTENT = [
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'This question is easy. Just use a hash map.',
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'This question is hard. I have no idea how to solve it.',
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'This question is medium. I can solve it in 30 minutes.',
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'Can be done with a simple for loop.',
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'Simple recursion can solve this.',
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'Please explain the question again.',
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'Question is not clear.',
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'Brute force solution is the best.',
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];
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const BEHAVIORAL_ANSWER_CONTENT = [
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'This is a very common question. I have a lot of experience with this.',
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"I don't think this is a good question to ask. However, I can answer it.",
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'Most companies ask this question. I think you should ask something else.',
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'I try to take a step back and assess the situation. I figure out what is the most important thing to do and what can wait. I also try to delegate or ask for help when needed.',
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'I try to have a discussion with my manager or the person who I feel is not valuing my work. I try to explain how I feel and what I would like to see change.',
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'I try to have a discussion with the coworker. I try to understand their perspective and see if there is a way to resolve the issue.',
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];
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const CODING_QUESTIONS: Array<QuestionCreateData> = CODING_QUESTION_CONTENT.map(
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(content) => ({
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content,
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questionType: 'CODING',
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userId: null,
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encounters: {
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create: {
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location: 'Singapore',
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role: selectRandomRole(),
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seenAt: generateRandomDate(),
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},
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},
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}),
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);
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const BEHAVIORAL_QUESTIONS: Array<QuestionCreateData> =
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BEHAVIORAL_QUESTION_CONTENT.map((content) => ({
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content,
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questionType: 'BEHAVIORAL',
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userId: null,
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encounters: {
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create: {
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location: 'Singapore',
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role: selectRandomRole(),
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seenAt: generateRandomDate(),
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},
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},
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}));
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const QUESTIONS: Array<QuestionCreateData> = [
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...CODING_QUESTIONS,
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...BEHAVIORAL_QUESTIONS,
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];
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async function main() {
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console.log('Performing preliminary checks...');
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const firstCompany = await prisma.company.findFirst();
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if (!firstCompany) {
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throw new Error(
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'No company found. Please seed db with some companies first.',
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);
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}
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// Generate random answers to the questions
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const users = await prisma.user.findMany();
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if (users.length === 0) {
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throw new Error('No users found. Please seed db with some users first.');
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}
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console.log('Seeding started...');
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console.log('Creating coding and behavioral questions...');
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await Promise.all([
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QUESTIONS.map(async (question) => {
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await prisma.questionsQuestion.create({
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data: {
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...question,
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encounters: {
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create: {
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...question.encounters!.create,
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companyId: firstCompany.id,
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} as any,
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},
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},
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});
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}),
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]);
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console.log('Creating answers to coding questions...');
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const codingQuestions = await prisma.questionsQuestion.findMany({
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where: {
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questionType: 'CODING',
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},
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});
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await Promise.all(
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codingQuestions.map(async (question) => {
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const answers = Array.from(
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{ length: Math.floor(Math.random() * 5) },
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() => ({
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content: generateRandomCodingAnswer(),
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userId: users[Math.floor(Math.random() * users.length)].id,
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questionId: question.id,
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}),
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);
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await prisma.questionsAnswer.createMany({
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data: answers,
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});
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}),
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);
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console.log('Creating answers to behavioral questions...');
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const behavioralQuestions = await prisma.questionsQuestion.findMany({
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where: {
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questionType: 'BEHAVIORAL',
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},
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});
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await Promise.all(
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behavioralQuestions.map(async (question) => {
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const answers = Array.from(
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{ length: Math.floor(Math.random() * 5) },
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() => ({
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content: generateRandomBehavioralAnswer(),
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userId: users[Math.floor(Math.random() * users.length)].id,
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questionId: question.id,
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}),
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);
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await prisma.questionsAnswer.createMany({
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data: answers,
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});
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}),
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);
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console.log('Seeding completed.');
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}
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main()
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.then(async () => {
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await prisma.$disconnect();
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})
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.catch(async (e) => {
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console.error(e);
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await prisma.$disconnect();
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process.exit(1);
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});
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