A simple nodejs script to check for valid sudoku (in 2D array format).
git clone https://github.com/Code0987/sudoku-validator
cd sudoku-validator
npm install
npm run test
npm install Code0987/sudoku-validator --save
See test.js for examples.
const sudokuValidator = require('./sudoku-validator');
const sudoku = [
[5,3,4,6,7,8,9,1,2],
[6,7,2,1,9,5,3,4,8],
[1,9,8,3,4,2,5,6,7],
[8,5,9,7,6,1,4,2,3],
[4,2,6,8,5,3,7,9,1],
[7,1,3,9,2,4,8,5,6],
[9,6,1,5,3,7,2,8,4],
[2,8,7,4,1,9,6,3,5],
[3,4,5,2,8,6,1,7,9]
];
sudokuValidator.isValid(sudoku1); // true
npm run test
> sudoku-validator@0.0.1 test
> node test.js
Passed! Valid check
Passed! Invalid check