From 87d2e22a6b72d4acd8892efaa0515f3408e457cd Mon Sep 17 00:00:00 2001
From: Takayosi Amagi <fand@users.noreply.github.com>
Date: Fri, 8 Mar 2019 02:23:54 +0900
Subject: [PATCH] Open localhost URL with --open (#28)

* Open localhost URL with --open

* Catch errors on opn

Co-Authored-By: fand <fand@users.noreply.github.com>
---
 packages/server/package.json |  2 ++
 packages/server/src/cli.ts   | 13 ++++++++++++-
 packages/server/yarn.lock    | 14 ++++++++++++++
 3 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/packages/server/package.json b/packages/server/package.json
index e4e5faf11..3f7cbbcf3 100644
--- a/packages/server/package.json
+++ b/packages/server/package.json
@@ -26,10 +26,12 @@
 		"@types/express": "^4.16.0",
 		"@types/fs-extra": "^5.0.4",
 		"@types/mime-types": "^2.1.0",
+		"@types/opn": "^5.1.0",
 		"@types/pem": "^1.9.4",
 		"@types/ws": "^6.0.1",
 		"fs-extra": "^7.0.1",
 		"nexe": "^2.0.0-rc.34",
+		"opn": "^5.4.0",
 		"string-replace-webpack-plugin": "^0.1.3",
 		"ts-node": "^7.0.1",
 		"tsconfig-paths": "^3.7.0",
diff --git a/packages/server/src/cli.ts b/packages/server/src/cli.ts
index 382ededc6..b57fb8ad0 100644
--- a/packages/server/src/cli.ts
+++ b/packages/server/src/cli.ts
@@ -13,6 +13,7 @@ import { SharedProcess, SharedProcessState } from "./vscode/sharedProcess";
 import { setup as setupNativeModules } from "./modules";
 import { fillFs } from "./fill";
 import { isCli, serveStatic, buildDir } from "./constants";
+import opn = require("opn");
 
 export class Entry extends Command {
 	public static description = "Start your own self-hosted browser-accessible VS Code";
@@ -220,10 +221,20 @@ export class Entry extends Command {
 		} else {
 			logger.warn("Launched without authentication.");
 		}
+
+		const url = `http://localhost:${flags.port}/`;
 		logger.info(" ");
 		logger.info("Started (click the link below to open):");
-		logger.info(`http://localhost:${flags.port}/`);
+		logger.info(url);
 		logger.info(" ");
+
+		if (flags["open"]) {
+			try {
+				await opn(url);
+			} catch (e) {
+				logger.warn("Url couldn't be opened automatically.", field("url", url), field("exception", e));
+			}
+		}
 	}
 }
 
diff --git a/packages/server/yarn.lock b/packages/server/yarn.lock
index c5059c5c1..b32dbfe48 100644
--- a/packages/server/yarn.lock
+++ b/packages/server/yarn.lock
@@ -129,6 +129,13 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-10.12.18.tgz#1d3ca764718915584fcd9f6344621b7672665c67"
   integrity sha512-fh+pAqt4xRzPfqA6eh3Z2y6fyZavRIumvjhaCL753+TVkGKGhpPeyrJG2JftD0T9q4GF00KjefsQ+PQNDdWQaQ==
 
+"@types/opn@^5.1.0":
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/@types/opn/-/opn-5.1.0.tgz#bff7bc371677f4bdbb37884400e03fd81f743927"
+  integrity sha512-TNPrB7Y1xl06zDI0aGyqkgxjhIev3oJ+cdqlZ52MTAHauWpEL/gIUdHebIfRHFZk9IqSBpE2ci1DT48iZH81yg==
+  dependencies:
+    "@types/node" "*"
+
 "@types/pem@^1.9.4":
   version "1.9.4"
   resolved "https://registry.yarnpkg.com/@types/pem/-/pem-1.9.4.tgz#9ef9302dc5f0352503e193003b208cddef4ffa45"
@@ -2668,6 +2675,13 @@ onetime@^2.0.0:
   dependencies:
     mimic-fn "^1.0.0"
 
+opn@^5.4.0:
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/opn/-/opn-5.4.0.tgz#cb545e7aab78562beb11aa3bfabc7042e1761035"
+  integrity sha512-YF9MNdVy/0qvJvDtunAOzFw9iasOQHpVthTCvGzxt61Il64AYSGdK+rYwld7NAfk9qJ7dt+hymBNSc9LNYS+Sw==
+  dependencies:
+    is-wsl "^1.1.0"
+
 optionator@^0.8.1:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.8.2.tgz#364c5e409d3f4d6301d6c0b4c05bba50180aeb64"