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luhn-generator

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A generator of numbers that passes the validation of Luhn algorithm or Luhn formula, also known as the 'modulus 10' or 'mod 10' algorithm

25 lines (20 loc) 539 B
'use strict'; const path = require('path'); const pathExists = require('path-exists'); const pLocate = require('p-locate'); module.exports = (iterable, options) => { options = Object.assign({ cwd: process.cwd() }, options); return pLocate(iterable, el => pathExists(path.resolve(options.cwd, el)), options); }; module.exports.sync = (iterable, options) => { options = Object.assign({ cwd: process.cwd() }, options); for (const el of iterable) { if (pathExists.sync(path.resolve(options.cwd, el))) { return el; } } };