UNPKG

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

297 lines (233 loc) 9.31 kB
"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.default = void 0; var _types = require("../tokenizer/types"); var N = _interopRequireWildcard(require("../types")); var _scopeflags = require("../util/scopeflags"); var _error = require("../parser/error"); 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 isSimpleProperty(node) { return node != null && node.type === "Property" && node.kind === "init" && node.method === false; } var _default = superClass => class extends superClass { estreeParseRegExpLiteral({ pattern, flags }) { let regex = null; try { regex = new RegExp(pattern, flags); } catch (e) {} const node = this.estreeParseLiteral(regex); node.regex = { pattern, flags }; return node; } estreeParseBigIntLiteral(value) { const bigInt = typeof BigInt !== "undefined" ? BigInt(value) : null; const node = this.estreeParseLiteral(bigInt); node.bigint = String(node.value || value); return node; } estreeParseDecimalLiteral(value) { const decimal = null; const node = this.estreeParseLiteral(decimal); node.decimal = String(node.value || value); return node; } estreeParseLiteral(value) { return this.parseLiteral(value, "Literal"); } directiveToStmt(directive) { const directiveLiteral = directive.value; const stmt = this.startNodeAt(directive.start, directive.loc.start); const expression = this.startNodeAt(directiveLiteral.start, directiveLiteral.loc.start); expression.value = directiveLiteral.value; expression.raw = directiveLiteral.extra.raw; stmt.expression = this.finishNodeAt(expression, "Literal", directiveLiteral.end, directiveLiteral.loc.end); stmt.directive = directiveLiteral.extra.raw.slice(1, -1); return this.finishNodeAt(stmt, "ExpressionStatement", directive.end, directive.loc.end); } initFunction(node, isAsync) { super.initFunction(node, isAsync); node.expression = false; } checkDeclaration(node) { if (isSimpleProperty(node)) { this.checkDeclaration(node.value); } else { super.checkDeclaration(node); } } getObjectOrClassMethodParams(method) { return method.value.params; } checkLVal(expr, bindingType = _scopeflags.BIND_NONE, checkClashes, contextDescription, disallowLetBinding) { switch (expr.type) { case "ObjectPattern": expr.properties.forEach(prop => { this.checkLVal(prop.type === "Property" ? prop.value : prop, bindingType, checkClashes, "object destructuring pattern", disallowLetBinding); }); break; default: super.checkLVal(expr, bindingType, checkClashes, contextDescription, disallowLetBinding); } } checkProto(prop, isRecord, protoRef, refExpressionErrors) { if (prop.method) { return; } super.checkProto(prop, isRecord, protoRef, refExpressionErrors); } isValidDirective(stmt) { return stmt.type === "ExpressionStatement" && stmt.expression.type === "Literal" && typeof stmt.expression.value === "string" && !stmt.expression.extra?.parenthesized; } stmtToDirective(stmt) { const directive = super.stmtToDirective(stmt); const value = stmt.expression.value; directive.value.value = value; return directive; } parseBlockBody(node, allowDirectives, topLevel, end) { super.parseBlockBody(node, allowDirectives, topLevel, end); const directiveStatements = node.directives.map(d => this.directiveToStmt(d)); node.body = directiveStatements.concat(node.body); delete node.directives; } pushClassMethod(classBody, method, isGenerator, isAsync, isConstructor, allowsDirectSuper) { this.parseMethod(method, isGenerator, isAsync, isConstructor, allowsDirectSuper, "ClassMethod", true); if (method.typeParameters) { method.value.typeParameters = method.typeParameters; delete method.typeParameters; } classBody.body.push(method); } parseExprAtom(refExpressionErrors) { switch (this.state.type) { case _types.types.num: case _types.types.string: return this.estreeParseLiteral(this.state.value); case _types.types.regexp: return this.estreeParseRegExpLiteral(this.state.value); case _types.types.bigint: return this.estreeParseBigIntLiteral(this.state.value); case _types.types.decimal: return this.estreeParseDecimalLiteral(this.state.value); case _types.types._null: return this.estreeParseLiteral(null); case _types.types._true: return this.estreeParseLiteral(true); case _types.types._false: return this.estreeParseLiteral(false); default: return super.parseExprAtom(refExpressionErrors); } } parseLiteral(value, type, startPos, startLoc) { const node = super.parseLiteral(value, type, startPos, startLoc); node.raw = node.extra.raw; delete node.extra; return node; } parseFunctionBody(node, allowExpression, isMethod = false) { super.parseFunctionBody(node, allowExpression, isMethod); node.expression = node.body.type !== "BlockStatement"; } parseMethod(node, isGenerator, isAsync, isConstructor, allowDirectSuper, type, inClassScope = false) { let funcNode = this.startNode(); funcNode.kind = node.kind; funcNode = super.parseMethod(funcNode, isGenerator, isAsync, isConstructor, allowDirectSuper, type, inClassScope); funcNode.type = "FunctionExpression"; delete funcNode.kind; node.value = funcNode; type = type === "ClassMethod" ? "MethodDefinition" : type; return this.finishNode(node, type); } parseObjectMethod(prop, isGenerator, isAsync, isPattern, isAccessor) { const node = super.parseObjectMethod(prop, isGenerator, isAsync, isPattern, isAccessor); if (node) { node.type = "Property"; if (node.kind === "method") node.kind = "init"; node.shorthand = false; } return node; } parseObjectProperty(prop, startPos, startLoc, isPattern, refExpressionErrors) { const node = super.parseObjectProperty(prop, startPos, startLoc, isPattern, refExpressionErrors); if (node) { node.kind = "init"; node.type = "Property"; } return node; } toAssignable(node) { if (isSimpleProperty(node)) { this.toAssignable(node.value); return node; } return super.toAssignable(node); } toAssignableObjectExpressionProp(prop, isLast) { if (prop.kind === "get" || prop.kind === "set") { throw this.raise(prop.key.start, _error.Errors.PatternHasAccessor); } else if (prop.method) { throw this.raise(prop.key.start, _error.Errors.PatternHasMethod); } else { super.toAssignableObjectExpressionProp(prop, isLast); } } finishCallExpression(node, optional) { super.finishCallExpression(node, optional); if (node.callee.type === "Import") { node.type = "ImportExpression"; node.source = node.arguments[0]; delete node.arguments; delete node.callee; } return node; } toReferencedArguments(node) { if (node.type === "ImportExpression") { return; } super.toReferencedArguments(node); } parseExport(node) { super.parseExport(node); switch (node.type) { case "ExportAllDeclaration": node.exported = null; break; case "ExportNamedDeclaration": if (node.specifiers.length === 1 && node.specifiers[0].type === "ExportNamespaceSpecifier") { node.type = "ExportAllDeclaration"; node.exported = node.specifiers[0].exported; delete node.specifiers; } break; } return node; } parseSubscript(base, startPos, startLoc, noCalls, state) { const node = super.parseSubscript(base, startPos, startLoc, noCalls, state); if (state.optionalChainMember) { if (node.type === "OptionalMemberExpression" || node.type === "OptionalCallExpression") { node.type = node.type.substring(8); } if (state.stop) { const chain = this.startNodeAtNode(node); chain.expression = node; return this.finishNode(chain, "ChainExpression"); } } else if (node.type === "MemberExpression" || node.type === "CallExpression") { node.optional = false; } return node; } }; exports.default = _default;