number-lines Add line numbers
Flags
--start number default: 1
Examples
Add line numbers to a code snippet
Usage
"const x = 1;
const y = 2;
return x + y;" | number-linesNumber quiz questions for a worksheet
Usage
"What is the capital of France?
Name three prime numbers.
Def..." | number-linesNumber steps in a procedure document
Usage
"Open the admin panel
Click Settings > Users
Select the targe..." | number-linesView source
(input, opts = {})=>{
const start = parseInt(opts.start) || 1;
const lines = input.split("\n");
const pad = String(lines.length + start - 1).length;
return lines.map((l, i)=>`${String(i + start).padStart(pad, " ")} ${l}`).join("\n");
}