NodeJS Program to Simple Config File Locator with Explanation
NodeJS
Medium
CLI Tools & Debugging
20 views
1 min read
78 words
This problem helps you practice core NodeJS fundamentals in a practical way. It builds intuition around config, file, path. Let’s break it down step by step so you can implement it confidently.
Problem Statement
Pick config path: MEETCODE_CONFIG env else ./meetcode.config.json.
Input Format
No input.
Output Format
Print path.
Constraints
No file reading required.
Code Solution
This explanation is written for learning purposes and to help beginners understand the concept clearly.
const path = require('path');
const p = process.env.MEETCODE_CONFIG
? path.resolve(process.env.MEETCODE_CONFIG)
: path.resolve('meetcode.config.json');
console.log(p);
Output Example
No sample I/O is provided for this question.
Common Mistakes
- Misreading input/output format.
- Not handling constraints and edge cases.
- Off-by-one errors in loops.
- Forgetting to reset variables between test cases (if any).
Solution Guide
Problem
Pick config path: MEETCODE_CONFIG env else ./meetcode.config.json.
Input / Output
Constraints
No file reading required.
Details
Common Mistakes
- Misreading input/output format.
- Not handling constraints and edge cases.
- Off-by-one errors in loops.
- Forgetting to reset variables between test cases (if any).
Official Solution
const path = require('path');
const p = process.env.MEETCODE_CONFIG
? path.resolve(process.env.MEETCODE_CONFIG)
: path.resolve('meetcode.config.json');
console.log(p);
Solutions (0)
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