UNPKG

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

99 lines (82 loc) 2.31 kB
"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.File = File; exports.Program = Program; exports.BlockStatement = BlockStatement; exports.Noop = Noop; exports.Directive = Directive; exports.DirectiveLiteral = DirectiveLiteral; exports.InterpreterDirective = InterpreterDirective; exports.Placeholder = Placeholder; function File(node) { if (node.program) { this.print(node.program.interpreter, node); } this.print(node.program, node); } function Program(node) { this.printInnerComments(node, false); this.printSequence(node.directives, node); if (node.directives && node.directives.length) this.newline(); this.printSequence(node.body, node); } function BlockStatement(node) { var _node$directives; this.token("{"); this.printInnerComments(node); const hasDirectives = (_node$directives = node.directives) == null ? void 0 : _node$directives.length; if (node.body.length || hasDirectives) { this.newline(); this.printSequence(node.directives, node, { indent: true }); if (hasDirectives) this.newline(); this.printSequence(node.body, node, { indent: true }); this.removeTrailingNewline(); this.source("end", node.loc); if (!this.endsWith("\n")) this.newline(); this.rightBrace(); } else { this.source("end", node.loc); this.token("}"); } } function Noop() {} function Directive(node) { this.print(node.value, node); this.semicolon(); } const unescapedSingleQuoteRE = /(?:^|[^\\])(?:\\\\)*'/; const unescapedDoubleQuoteRE = /(?:^|[^\\])(?:\\\\)*"/; function DirectiveLiteral(node) { const raw = this.getPossibleRaw(node); if (raw != null) { this.token(raw); return; } const { value } = node; if (!unescapedDoubleQuoteRE.test(value)) { this.token(`"${value}"`); } else if (!unescapedSingleQuoteRE.test(value)) { this.token(`'${value}'`); } else { throw new Error("Malformed AST: it is not possible to print a directive containing" + " both unescaped single and double quotes."); } } function InterpreterDirective(node) { this.token(`#!${node.value}\n`); } function Placeholder(node) { this.token("%%"); this.print(node.name); this.token("%%"); if (node.expectedNode === "Statement") { this.semicolon(); } }