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