29 questions for “CLI Tools & Scripting with Node.js”

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Node.js CLI Tools & Scripting with Node.js 5 Node.js Core Node.js Modules 4 Node.js Advanced Node.js 2

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29 questions in 1 technology

#	Question	Technology	Topic	Level
1	What is a shebang line, and why does it need to be the first line of an executable Node.js CLI script? Node.js › CLI Tools & Scripting with Node.js	Node.js	CLI Tools & Scripting with Node.js	Beginner
2	How would you parse command-line arguments and flags in a Node.js CLI tool using a library like commander or yargs? Node.js › CLI Tools & Scripting with Node.js	Node.js	CLI Tools & Scripting with Node.js	Intermediate
3	How do you correctly set an exit code from a Node.js CLI script to signal success or failure to the calling shell or CI pipeline? Node.js › CLI Tools & Scripting with Node.js	Node.js	CLI Tools & Scripting with Node.js	Intermediate
4	How do you write cross-platform shell scripts in Node.js that work identically on Windows, macOS, and Linux? Node.js › CLI Tools & Scripting with Node.js	Node.js	CLI Tools & Scripting with Node.js	Intermediate
5	How would you build an interactive CLI wizard that prompts the user for multiple pieces of input using a library like Inquirer.js? Node.js › CLI Tools & Scripting with Node.js	Node.js	CLI Tools & Scripting with Node.js	Advanced
6	What is the difference between require() (CommonJS) and import (ES Modules) when loading Node.js's own core modules? Node.js › Core Node.js Modules	Node.js	Core Node.js Modules	Beginner
7	How does Node.js's built-in test runner (node:test) compare to third-party frameworks like Jest or Mocha? Node.js › Advanced Node.js	Node.js	Advanced Node.js	Advanced
8	What are Node.js Single Executable Applications (SEA), and what are their current limitations? Node.js › Advanced Node.js	Node.js	Advanced Node.js	Advanced
9	How would you recursively read all files within a directory tree in Node.js? Node.js › File System & File Processing	Node.js	File System & File Processing	Intermediate
10	How would you implement a directory-size calculator in Node.js that recursively sums the size of all files within a directory tree? Node.js › File System & File Processing	Node.js	File System & File Processing	Advanced

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