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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

94 lines (84 loc) 2.51 kB
"use strict"; var babylonToEspree = require("./babylon-to-espree"); var parse = require("@babel/parser").parse; var tt = require("@babel/parser").tokTypes; var traverse = require("@babel/traverse").default; var codeFrameColumns = require("@babel/code-frame").codeFrameColumns; module.exports = function(code, options) { const legacyDecorators = options.ecmaFeatures && options.ecmaFeatures.legacyDecorators; var opts = { codeFrame: options.hasOwnProperty("codeFrame") ? options.codeFrame : true, sourceType: options.sourceType, allowImportExportEverywhere: options.allowImportExportEverywhere, // consistent with espree allowReturnOutsideFunction: true, allowSuperOutsideMethod: true, ranges: true, tokens: true, plugins: [ ["flow", { all: true, enums: true }], "jsx", "estree", "asyncFunctions", "asyncGenerators", "classConstructorCall", "classProperties", legacyDecorators ? "decorators-legacy" : ["decorators", { decoratorsBeforeExport: false }], "doExpressions", "exponentiationOperator", "exportDefaultFrom", "exportNamespaceFrom", "functionBind", "functionSent", "objectRestSpread", "trailingFunctionCommas", "dynamicImport", "numericSeparator", "optionalChaining", "importMeta", "classPrivateProperties", "bigInt", "optionalCatchBinding", "throwExpressions", ["pipelineOperator", { proposal: "minimal" }], "nullishCoalescingOperator", "logicalAssignment", ], }; var ast; try { ast = parse(code, opts); } catch (err) { if (err instanceof SyntaxError) { err.lineNumber = err.loc.line; err.column = err.loc.column; if (opts.codeFrame) { err.lineNumber = err.loc.line; err.column = err.loc.column + 1; // remove trailing "(LINE:COLUMN)" acorn message and add in esprima syntax error message start err.message = "Line " + err.lineNumber + ": " + err.message.replace(/ \((\d+):(\d+)\)$/, "") + // add codeframe "\n\n" + codeFrameColumns( code, { start: { line: err.lineNumber, column: err.column, }, }, { highlightCode: true } ); } } throw err; } babylonToEspree(ast, traverse, tt, code); return ast; };