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"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;
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