simple-sudoku-check v0.1.0

simple-sudoku-check

An inexpensive, preliminary validity check of a Sudoku solution to be used before another process soundly checks the solution.

Getting Started

Install the module with: npm install simple-sudoku-check

var simple-sudoku-check = require('simple-sudoku-check');
simple-sudoku-check.isValidSolution('534678912672195348198342567859761423426853791713924856961537284287419635345286179');
//=> true

Documentation

This module consists of a single exported function, isValidSolution(), which accepts a string and checks that it meets the following criteria:

• the string contains exactly 81 characters
• the string's characters are only 1-9
• the solution is balanced such that each value, 1-9, appears exactly 9 times

If these criteria are met, true is returned. Otherwise false is returned.

Contributing

In lieu of a formal styleguide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality. Lint and test your code using Grunt.

License

Copyright © 2014 Josh Branchaud.

Licensed under the MIT license. See LICENSE for details.