luhn-generator
Version:
A generator of numbers that passes the validation of Luhn algorithm or Luhn formula, also known as the 'modulus 10' or 'mod 10' algorithm
58 lines (42 loc) • 5.9 kB
JavaScript
;var _slicedToArray = function () {function sliceIterator(arr, i) {var _arr = [];var _n = true;var _d = false;var _e = undefined;try {for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {_arr.push(_s.value);if (i && _arr.length === i) break;}} catch (err) {_d = true;_e = err;} finally {try {if (!_n && _i["return"]) _i["return"]();} finally {if (_d) throw _e;}}return _arr;}return function (arr, i) {if (Array.isArray(arr)) {return arr;} else if (Symbol.iterator in Object(arr)) {return sliceIterator(arr, i);} else {throw new TypeError("Invalid attempt to destructure non-iterable instance");}};}();var _staticRequire = require('../core/staticRequire');var _staticRequire2 = _interopRequireDefault(_staticRequire);
var _docsUrl = require('../docsUrl');var _docsUrl2 = _interopRequireDefault(_docsUrl);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}
const DEFAULT_MAX = 10;
const countDependencies = (dependencies, lastNode, context) => {var _ref =
context.options[0] || { max: DEFAULT_MAX };const max = _ref.max;
if (dependencies.size > max) {
context.report(
lastNode,
`Maximum number of dependencies (${max}) exceeded.`);
}
};
module.exports = {
meta: {
type: 'suggestion',
docs: {
url: (0, _docsUrl2.default)('max-dependencies') },
schema: [
{
'type': 'object',
'properties': {
'max': { 'type': 'number' } },
'additionalProperties': false }] },
create: context => {
const dependencies = new Set(); // keep track of dependencies
let lastNode; // keep track of the last node to report on
return {
ImportDeclaration(node) {
dependencies.add(node.source.value);
lastNode = node.source;
},
CallExpression(node) {
if ((0, _staticRequire2.default)(node)) {var _node$arguments = _slicedToArray(
node.arguments, 1);const requirePath = _node$arguments[0];
dependencies.add(requirePath.value);
lastNode = node;
}
},
'Program:exit': function () {
countDependencies(dependencies, lastNode, context);
} };
} };
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