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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

110 lines (88 loc) 3.45 kB
"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.types = exports.TokContext = void 0; var _types = require("./types"); class TokContext { constructor(token, isExpr, preserveSpace, override) { this.token = void 0; this.isExpr = void 0; this.preserveSpace = void 0; this.override = void 0; this.token = token; this.isExpr = !!isExpr; this.preserveSpace = !!preserveSpace; this.override = override; } } exports.TokContext = TokContext; const types = { braceStatement: new TokContext("{", false), braceExpression: new TokContext("{", true), recordExpression: new TokContext("#{", true), templateQuasi: new TokContext("${", false), parenStatement: new TokContext("(", false), parenExpression: new TokContext("(", true), template: new TokContext("`", true, true, p => p.readTmplToken()), functionExpression: new TokContext("function", true), functionStatement: new TokContext("function", false) }; exports.types = types; _types.types.parenR.updateContext = _types.types.braceR.updateContext = function () { if (this.state.context.length === 1) { this.state.exprAllowed = true; return; } let out = this.state.context.pop(); if (out === types.braceStatement && this.curContext().token === "function") { out = this.state.context.pop(); } this.state.exprAllowed = !out.isExpr; }; _types.types.name.updateContext = function (prevType) { let allowed = false; if (prevType !== _types.types.dot) { if (this.state.value === "of" && !this.state.exprAllowed && prevType !== _types.types._function && prevType !== _types.types._class) { allowed = true; } } this.state.exprAllowed = allowed; if (this.state.isIterator) { this.state.isIterator = false; } }; _types.types.braceL.updateContext = function (prevType) { this.state.context.push(this.braceIsBlock(prevType) ? types.braceStatement : types.braceExpression); this.state.exprAllowed = true; }; _types.types.dollarBraceL.updateContext = function () { this.state.context.push(types.templateQuasi); this.state.exprAllowed = true; }; _types.types.parenL.updateContext = function (prevType) { const statementParens = prevType === _types.types._if || prevType === _types.types._for || prevType === _types.types._with || prevType === _types.types._while; this.state.context.push(statementParens ? types.parenStatement : types.parenExpression); this.state.exprAllowed = true; }; _types.types.incDec.updateContext = function () {}; _types.types._function.updateContext = _types.types._class.updateContext = function (prevType) { if (prevType.beforeExpr && prevType !== _types.types.semi && prevType !== _types.types._else && !(prevType === _types.types._return && this.hasPrecedingLineBreak()) && !((prevType === _types.types.colon || prevType === _types.types.braceL) && this.curContext() === types.b_stat)) { this.state.context.push(types.functionExpression); } else { this.state.context.push(types.functionStatement); } this.state.exprAllowed = false; }; _types.types.backQuote.updateContext = function () { if (this.curContext() === types.template) { this.state.context.pop(); } else { this.state.context.push(types.template); } this.state.exprAllowed = false; }; _types.types.braceHashL.updateContext = function () { this.state.context.push(types.recordExpression); this.state.exprAllowed = true; };