1#!/usr/bin/env node
 2
 3"use strict";
 4
 5var childProcess = require("child_process");
 6
 7function opener(args, options, callback) {
 8    // http://stackoverflow.com/q/1480971/3191, but see below for Windows.
 9    var command = process.platform === "win32" ? "cmd" :
10                  process.platform === "darwin" ? "open" :
11                  "xdg-open";
12
13    if (typeof args === "string") {
14        args = [args];
15    }
16
17    if (typeof options === "function") {
18        callback = options;
19        options = {};
20    }
21
22    if (options && typeof options === "object" && options.command) {
23        if (process.platform === "win32") {
24            // *always* use cmd on windows
25            args = [options.command].concat(args);
26        } else {
27            command = options.command;
28        }
29    }
30
31    if (process.platform === "win32") {
32        // On Windows, we really want to use the "start" command. But, the rules regarding arguments with spaces, and
33        // escaping them with quotes, can get really arcane. So the easiest way to deal with this is to pass off the
34        // responsibility to "cmd /c", which has that logic built in.
35        //
36        // Furthermore, if "cmd /c" double-quoted the first parameter, then "start" will interpret it as a window title,
37        // so we need to add a dummy empty-string window title: http://stackoverflow.com/a/154090/3191
38        //
39        // Additionally, on Windows ampersand needs to be escaped when passed to "start"
40        args = args.map(function(value) {
41            return value.replace(/&/g, '^&');
42        });
43        args = ["/c", "start", '""'].concat(args);
44    }
45
46    return childProcess.execFile(command, args, options, callback);
47}
48
49// Export `opener` for programmatic access.
50// You might use this to e.g. open a website: `opener("http://google.com")`
51module.exports = opener;
52
53// If we're being called from the command line, just execute, using the command-line arguments.
54if (require.main && require.main.id === module.id) {
55    opener(process.argv.slice(2), function (error) {
56        if (error) {
57            throw error;
58        }
59    });
60}