| "use strict"; |
| var childProcess = require("child_process"); |
| var os = require("os"); |
| |
| module.exports = function opener(args, options, callback) { |
| var platform = process.platform; |
| |
| // Attempt to detect Windows Subystem for Linux (WSL). WSL itself as Linux (which works in most cases), but in |
| // this specific case we need to treat it as actually being Windows. The "Windows-way" of opening things through |
| // cmd.exe works just fine here, whereas using xdg-open does not, since there is no X Windows in WSL. |
| if (platform === "linux" && os.release().indexOf("Microsoft") !== -1) { |
| platform = "win32"; |
| } |
| |
| // http://stackoverflow.com/q/1480971/3191, but see below for Windows. |
| var command; |
| switch (platform) { |
| case "win32": { |
| command = "cmd.exe"; |
| break; |
| } |
| case "darwin": { |
| command = "open"; |
| break; |
| } |
| default: { |
| command = "xdg-open"; |
| break; |
| } |
| } |
| |
| if (typeof args === "string") { |
| args = [args]; |
| } |
| |
| if (typeof options === "function") { |
| callback = options; |
| options = {}; |
| } |
| |
| if (options && typeof options === "object" && options.command) { |
| if (platform === "win32") { |
| // *always* use cmd on windows |
| args = [options.command].concat(args); |
| } else { |
| command = options.command; |
| } |
| } |
| |
| if (platform === "win32") { |
| // On Windows, we really want to use the "start" command. But, the rules regarding arguments with spaces, and |
| // escaping them with quotes, can get really arcane. So the easiest way to deal with this is to pass off the |
| // responsibility to "cmd /c", which has that logic built in. |
| // |
| // Furthermore, if "cmd /c" double-quoted the first parameter, then "start" will interpret it as a window title, |
| // so we need to add a dummy empty-string window title: http://stackoverflow.com/a/154090/3191 |
| // |
| // Additionally, on Windows ampersand needs to be escaped when passed to "start" |
| args = args.map(function (value) { |
| return value.replace(/&/g, "^&"); |
| }); |
| args = ["/c", "start", "\"\""].concat(args); |
| } |
| |
| return childProcess.execFile(command, args, options, callback); |
| }; |