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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

107 lines (84 loc) 3.43 kB
"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.shouldHighlight = shouldHighlight; exports.getChalk = getChalk; exports.default = highlight; var _jsTokens = _interopRequireWildcard(require("js-tokens")); var _helperValidatorIdentifier = require("@babel/helper-validator-identifier"); var _chalk = _interopRequireDefault(require("chalk")); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; } function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; } function getDefs(chalk) { return { keyword: chalk.cyan, capitalized: chalk.yellow, jsx_tag: chalk.yellow, punctuator: chalk.yellow, number: chalk.magenta, string: chalk.green, regex: chalk.magenta, comment: chalk.grey, invalid: chalk.white.bgRed.bold }; } const NEWLINE = /\r\n|[\n\r\u2028\u2029]/; const JSX_TAG = /^[a-z][\w-]*$/i; const BRACKET = /^[()[\]{}]$/; function getTokenType(match) { const [offset, text] = match.slice(-2); const token = (0, _jsTokens.matchToToken)(match); if (token.type === "name") { if ((0, _helperValidatorIdentifier.isKeyword)(token.value) || (0, _helperValidatorIdentifier.isReservedWord)(token.value)) { return "keyword"; } if (JSX_TAG.test(token.value) && (text[offset - 1] === "<" || text.substr(offset - 2, 2) == "</")) { return "jsx_tag"; } if (token.value[0] !== token.value[0].toLowerCase()) { return "capitalized"; } } if (token.type === "punctuator" && BRACKET.test(token.value)) { return "bracket"; } if (token.type === "invalid" && (token.value === "@" || token.value === "#")) { return "punctuator"; } return token.type; } function highlightTokens(defs, text) { return text.replace(_jsTokens.default, function (...args) { const type = getTokenType(args); const colorize = defs[type]; if (colorize) { return args[0].split(NEWLINE).map(str => colorize(str)).join("\n"); } else { return args[0]; } }); } function shouldHighlight(options) { return _chalk.default.supportsColor || options.forceColor; } function getChalk(options) { let chalk = _chalk.default; if (options.forceColor) { chalk = new _chalk.default.constructor({ enabled: true, level: 1 }); } return chalk; } function highlight(code, options = {}) { if (shouldHighlight(options)) { const chalk = getChalk(options); const defs = getDefs(chalk); return highlightTokens(defs, code); } else { return code; } }