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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

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"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.insertBefore = insertBefore; exports._containerInsert = _containerInsert; exports._containerInsertBefore = _containerInsertBefore; exports._containerInsertAfter = _containerInsertAfter; exports.insertAfter = insertAfter; exports.updateSiblingKeys = updateSiblingKeys; exports._verifyNodeList = _verifyNodeList; exports.unshiftContainer = unshiftContainer; exports.pushContainer = pushContainer; exports.hoist = hoist; var _cache = require("../cache"); var _hoister = _interopRequireDefault(require("./lib/hoister")); var _index = _interopRequireDefault(require("./index")); var t = _interopRequireWildcard(require("@babel/types")); 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 _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function insertBefore(nodes) { this._assertUnremoved(); nodes = this._verifyNodeList(nodes); const { parentPath } = this; if (parentPath.isExpressionStatement() || parentPath.isLabeledStatement() || parentPath.isExportNamedDeclaration() || parentPath.isExportDefaultDeclaration() && this.isDeclaration()) { return parentPath.insertBefore(nodes); } else if (this.isNodeType("Expression") && !this.isJSXElement() || parentPath.isForStatement() && this.key === "init") { if (this.node) nodes.push(this.node); return this.replaceExpressionWithStatements(nodes); } else if (Array.isArray(this.container)) { return this._containerInsertBefore(nodes); } else if (this.isStatementOrBlock()) { const shouldInsertCurrentNode = this.node && (!this.isExpressionStatement() || this.node.expression != null); this.replaceWith(t.blockStatement(shouldInsertCurrentNode ? [this.node] : [])); return this.unshiftContainer("body", nodes); } else { throw new Error("We don't know what to do with this node type. " + "We were previously a Statement but we can't fit in here?"); } } function _containerInsert(from, nodes) { this.updateSiblingKeys(from, nodes.length); const paths = []; this.container.splice(from, 0, ...nodes); for (let i = 0; i < nodes.length; i++) { const to = from + i; const path = this.getSibling(to); paths.push(path); if (this.context && this.context.queue) { path.pushContext(this.context); } } const contexts = this._getQueueContexts(); for (const path of paths) { path.setScope(); path.debug("Inserted."); for (const context of contexts) { context.maybeQueue(path, true); } } return paths; } function _containerInsertBefore(nodes) { return this._containerInsert(this.key, nodes); } function _containerInsertAfter(nodes) { return this._containerInsert(this.key + 1, nodes); } function insertAfter(nodes) { this._assertUnremoved(); nodes = this._verifyNodeList(nodes); const { parentPath } = this; if (parentPath.isExpressionStatement() || parentPath.isLabeledStatement() || parentPath.isExportNamedDeclaration() || parentPath.isExportDefaultDeclaration() && this.isDeclaration()) { return parentPath.insertAfter(nodes.map(node => { return t.isExpression(node) ? t.expressionStatement(node) : node; })); } else if (this.isNodeType("Expression") && !this.isJSXElement() && !parentPath.isJSXElement() || parentPath.isForStatement() && this.key === "init") { if (this.node) { let { scope } = this; if (parentPath.isMethod({ computed: true, key: this.node })) { scope = scope.parent; } const temp = scope.generateDeclaredUidIdentifier(); nodes.unshift(t.expressionStatement(t.assignmentExpression("=", t.cloneNode(temp), this.node))); nodes.push(t.expressionStatement(t.cloneNode(temp))); } return this.replaceExpressionWithStatements(nodes); } else if (Array.isArray(this.container)) { return this._containerInsertAfter(nodes); } else if (this.isStatementOrBlock()) { const shouldInsertCurrentNode = this.node && (!this.isExpressionStatement() || this.node.expression != null); this.replaceWith(t.blockStatement(shouldInsertCurrentNode ? [this.node] : [])); return this.pushContainer("body", nodes); } else { throw new Error("We don't know what to do with this node type. " + "We were previously a Statement but we can't fit in here?"); } } function updateSiblingKeys(fromIndex, incrementBy) { if (!this.parent) return; const paths = _cache.path.get(this.parent); for (let i = 0; i < paths.length; i++) { const path = paths[i]; if (path.key >= fromIndex) { path.key += incrementBy; } } } function _verifyNodeList(nodes) { if (!nodes) { return []; } if (nodes.constructor !== Array) { nodes = [nodes]; } for (let i = 0; i < nodes.length; i++) { const node = nodes[i]; let msg; if (!node) { msg = "has falsy node"; } else if (typeof node !== "object") { msg = "contains a non-object node"; } else if (!node.type) { msg = "without a type"; } else if (node instanceof _index.default) { msg = "has a NodePath when it expected a raw object"; } if (msg) { const type = Array.isArray(node) ? "array" : typeof node; throw new Error(`Node list ${msg} with the index of ${i} and type of ${type}`); } } return nodes; } function unshiftContainer(listKey, nodes) { this._assertUnremoved(); nodes = this._verifyNodeList(nodes); const path = _index.default.get({ parentPath: this, parent: this.node, container: this.node[listKey], listKey, key: 0 }); return path._containerInsertBefore(nodes); } function pushContainer(listKey, nodes) { this._assertUnremoved(); nodes = this._verifyNodeList(nodes); const container = this.node[listKey]; const path = _index.default.get({ parentPath: this, parent: this.node, container: container, listKey, key: container.length }); return path.replaceWithMultiple(nodes); } function hoist(scope = this.scope) { const hoister = new _hoister.default(this, scope); return hoister.run(); }