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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

194 lines (193 loc) 7.02 kB
"use strict"; /*** * Node External Editor * * Kevin Gravier <kevin@mrkmg.com> * MIT 2019 */ Object.defineProperty(exports, "__esModule", { value: true }); var chardet_1 = require("chardet"); var child_process_1 = require("child_process"); var fs_1 = require("fs"); var iconv_lite_1 = require("iconv-lite"); var tmp_1 = require("tmp"); var CreateFileError_1 = require("./errors/CreateFileError"); exports.CreateFileError = CreateFileError_1.CreateFileError; var LaunchEditorError_1 = require("./errors/LaunchEditorError"); exports.LaunchEditorError = LaunchEditorError_1.LaunchEditorError; var ReadFileError_1 = require("./errors/ReadFileError"); exports.ReadFileError = ReadFileError_1.ReadFileError; var RemoveFileError_1 = require("./errors/RemoveFileError"); exports.RemoveFileError = RemoveFileError_1.RemoveFileError; function edit(text, fileOptions) { if (text === void 0) { text = ""; } var editor = new ExternalEditor(text, fileOptions); editor.run(); editor.cleanup(); return editor.text; } exports.edit = edit; function editAsync(text, callback, fileOptions) { if (text === void 0) { text = ""; } var editor = new ExternalEditor(text, fileOptions); editor.runAsync(function (err, result) { if (err) { setImmediate(callback, err, null); } else { try { editor.cleanup(); setImmediate(callback, null, result); } catch (cleanupError) { setImmediate(callback, cleanupError, null); } } }); } exports.editAsync = editAsync; var ExternalEditor = /** @class */ (function () { function ExternalEditor(text, fileOptions) { if (text === void 0) { text = ""; } this.text = ""; this.fileOptions = {}; this.text = text; if (fileOptions) { this.fileOptions = fileOptions; } this.determineEditor(); this.createTemporaryFile(); } ExternalEditor.splitStringBySpace = function (str) { var pieces = []; var currentString = ""; for (var strIndex = 0; strIndex < str.length; strIndex++) { var currentLetter = str[strIndex]; if (strIndex > 0 && currentLetter === " " && str[strIndex - 1] !== "\\" && currentString.length > 0) { pieces.push(currentString); currentString = ""; } else { currentString += currentLetter; } } if (currentString.length > 0) { pieces.push(currentString); } return pieces; }; Object.defineProperty(ExternalEditor.prototype, "temp_file", { get: function () { console.log("DEPRECATED: temp_file. Use tempFile moving forward."); return this.tempFile; }, enumerable: true, configurable: true }); Object.defineProperty(ExternalEditor.prototype, "last_exit_status", { get: function () { console.log("DEPRECATED: last_exit_status. Use lastExitStatus moving forward."); return this.lastExitStatus; }, enumerable: true, configurable: true }); ExternalEditor.prototype.run = function () { this.launchEditor(); this.readTemporaryFile(); return this.text; }; ExternalEditor.prototype.runAsync = function (callback) { var _this = this; try { this.launchEditorAsync(function () { try { _this.readTemporaryFile(); setImmediate(callback, null, _this.text); } catch (readError) { setImmediate(callback, readError, null); } }); } catch (launchError) { setImmediate(callback, launchError, null); } }; ExternalEditor.prototype.cleanup = function () { this.removeTemporaryFile(); }; ExternalEditor.prototype.determineEditor = function () { var editor = process.env.VISUAL ? process.env.VISUAL : process.env.EDITOR ? process.env.EDITOR : /^win/.test(process.platform) ? "notepad" : "vim"; var editorOpts = ExternalEditor.splitStringBySpace(editor).map(function (piece) { return piece.replace("\\ ", " "); }); var bin = editorOpts.shift(); this.editor = { args: editorOpts, bin: bin }; }; ExternalEditor.prototype.createTemporaryFile = function () { try { this.tempFile = tmp_1.tmpNameSync(this.fileOptions); var opt = { encoding: "utf8" }; if (this.fileOptions.hasOwnProperty("mode")) { opt.mode = this.fileOptions.mode; } fs_1.writeFileSync(this.tempFile, this.text, opt); } catch (createFileError) { throw new CreateFileError_1.CreateFileError(createFileError); } }; ExternalEditor.prototype.readTemporaryFile = function () { try { var tempFileBuffer = fs_1.readFileSync(this.tempFile); if (tempFileBuffer.length === 0) { this.text = ""; } else { var encoding = chardet_1.detect(tempFileBuffer).toString(); if (!iconv_lite_1.encodingExists(encoding)) { // Probably a bad idea, but will at least prevent crashing encoding = "utf8"; } this.text = iconv_lite_1.decode(tempFileBuffer, encoding); } } catch (readFileError) { throw new ReadFileError_1.ReadFileError(readFileError); } }; ExternalEditor.prototype.removeTemporaryFile = function () { try { fs_1.unlinkSync(this.tempFile); } catch (removeFileError) { throw new RemoveFileError_1.RemoveFileError(removeFileError); } }; ExternalEditor.prototype.launchEditor = function () { try { var editorProcess = child_process_1.spawnSync(this.editor.bin, this.editor.args.concat([this.tempFile]), { stdio: "inherit" }); this.lastExitStatus = editorProcess.status; } catch (launchError) { throw new LaunchEditorError_1.LaunchEditorError(launchError); } }; ExternalEditor.prototype.launchEditorAsync = function (callback) { var _this = this; try { var editorProcess = child_process_1.spawn(this.editor.bin, this.editor.args.concat([this.tempFile]), { stdio: "inherit" }); editorProcess.on("exit", function (code) { _this.lastExitStatus = code; setImmediate(callback); }); } catch (launchError) { throw new LaunchEditorError_1.LaunchEditorError(launchError); } }; return ExternalEditor; }()); exports.ExternalEditor = ExternalEditor;