Update build script

.gitignore

@@ -2,4 +2,7 @@
 node_modules
 
 # dependencies
-vendors/
\ No newline at end of file
+vendors/
+
+# build
+build/
\ No newline at end of file

Readme.md

 # Star Gazer
 
-## Usage
+StarGazer is a multiplayer game using gaze data as an input source. This demo showcases the eye tracking classroom's abilities to utilize gaze based real time collaboration.
 
-Run `node get-gaze-client.js` to install dependencies and `npm start` to run the game on a local test server.
\ No newline at end of file
+## Requirements
+
+To play the game using gaze data for input a local [gaze-server](https://lab.las3.de/gitlab/eye-tracking-classroom/gaze-server.cs) must be running at `ws://localhost:8001`.
+
+## Playing
+
+Hosted versions of the game are available here: 
+
+- [Release version](https://regensburger-forscher.de/stargazer/game/)
+- [Beta version](https://regensburger-forscher.de/stargazer/game/)
+
+## Building and Testing
+
+- Run `npm install` to install dependencies and build game to `build/`
+- Run  `npm start` to run the game on a local test server
\ No newline at end of file

build.js

+#!/usr/bin/env node
+
+/* eslint-env node */
+/* eslint-disable no-console */
+
+// Build deployable version to TARGET_DIR
+
+const fs = require("fs-extra"),
+  https = require("https"),
+  TARGET_DIR = "build/",
+  CONFIG_FILE = "build/resources/js/Config.js",
+  VERSION_PLACEHOLDER = "$VERSION",
+  version = require("./package.json").version,
+  fileList = [{
+      url: "https://lab.las3.de/gitlab/eye-tracking-classroom/gaze-client.js/raw/master/build/gazeclient.js",
+      localPath: "build/vendors/gazeclient.js",
+    },
+    {
+      url: "https://lab.las3.de/gitlab/eye-tracking-classroom/gaze-client.js/raw/master/build/gazeclient.js.map",
+      localPath: "build/vendors/gazeclient.js.map",
+    },
+    {
+      url: "https://lab.las3.de/gitlab/eye-tracking-classroom/gaze-client.js/raw/master/build/gazeclient.min.js",
+      localPath: "build/vendors/gazeclient.min.js",
+    },
+  ];
+
+function run() {
+  createTargetDir();
+  downloadLibrary();
+  copyFiles();
+  insertVersionNumber();
+}
+
+function onError(error) {
+  console.log(error);
+}
+
+function createTargetDir() {
+  console.log(`Ensure target directory [${TARGET_DIR}] exists and is empty`);
+  fs.ensureDirSync(TARGET_DIR);
+  fs.emptyDirSync(TARGET_DIR);
+}
+
+function downloadLibrary() {
+  console.log(`Downloading client library (${fileList.length} files]`);
+  let vendorsFolder = `${TARGET_DIR}vendors`;
+  fs.ensureDirSync(vendorsFolder);
+  for (let i = 0; i < fileList.length; i++) {
+    let file = fileList[i];
+    downloadFile(file.url, file.localPath);
+  }
+}
+
+function downloadFile(source, target) {
+  let file;
+  console.log(`Downloading [${source}] to ${target}`);
+  file = fs.createWriteStream(target);
+  https.get(source, function(response) {
+    response.pipe(file);
+  });
+}
+
+function copyFiles() {
+  console.log(`Copying files to ${TARGET_DIR}`);
+  fs.copySync("resources/", `${TARGET_DIR}resources`);
+  fs.copySync("index.html", `${TARGET_DIR}index.html`);
+}
+
+function insertVersionNumber() {
+  console.log(`Replacing version placeholder in ${CONFIG_FILE}`);
+  let result;
+  fs.readFile(CONFIG_FILE, "utf8", function(err, data) {
+    if (err) {
+      onError(err);
+    }
+    result = data.replace(VERSION_PLACEHOLDER, version);
+    fs.writeFile(CONFIG_FILE, result, "utf8", function(err) {
+      if (err) {
+        onError(err);
+      }
+    });
+  });
+}
+
+run();
\ No newline at end of file

get-gaze-client.js

-/* eslint-env node */
-
-// Downloads gaze client library from https://lab.las3.de/gitlab/eye-tracking-classroom/gaze-client.js
-
-const https = require("https"),
-  fs = require("fs"),
-  fileList = [{
-      url: "https://lab.las3.de/gitlab/eye-tracking-classroom/gaze-client.js/raw/master/build/gazeclient.js",
-      localPath: "vendors/gazeclient.js",
-    },
-    {
-      url: "https://lab.las3.de/gitlab/eye-tracking-classroom/gaze-client.js/raw/master/build/gazeclient.js.map",
-      localPath: "vendors/gazeclient.js.map",
-    },
-    {
-      url: "https://lab.las3.de/gitlab/eye-tracking-classroom/gaze-client.js/raw/master/build/gazeclient.min.js",
-      localPath: "vendors/gazeclient.min.js",
-    },
-  ];
-
-function downloadFile(source, target) {
-  let file = fs.createWriteStream(target);
-  https.get(source, function(response) {
-    response.pipe(file);
-  });
-}
-
-// Make sure vendors folder exists
-
-if (!fs.existsSync("vendors")){
-    fs.mkdirSync("vendors");
-}
-
-// Download all file
-
-for (let i = 0; i < fileList.length; i++) {
-  let file = fileList[i];
-  downloadFile(file.url, file.localPath);
-}
\ No newline at end of file

package-lock.json

 {
   "name": "stargazer",
-  "version": "1.0.0",
+  "version": "0.1.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -51,6 +51,21 @@
         "debug": "^3.2.6"
       }
     },
+    "fs-extra": {
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
+      "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
+      "requires": {
+        "graceful-fs": "^4.2.0",
+        "jsonfile": "^4.0.0",
+        "universalify": "^0.1.0"
+      }
+    },
+    "graceful-fs": {
+      "version": "4.2.2",
+      "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.2.tgz",
+      "integrity": "sha512-IItsdsea19BoLC7ELy13q1iJFNmd7ofZH5+X/pJr90/nRoPEX0DJo1dHDbgtYWOhJhcCgMDTOw84RZ72q6lB+Q=="
+    },
     "he": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/he/-/he-1.2.0.tgz",
@@ -81,6 +96,14 @@
         "union": "~0.4.3"
       }
     },
+    "jsonfile": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
+      "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
+      "requires": {
+        "graceful-fs": "^4.1.6"
+      }
+    },
     "mime": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/mime/-/mime-1.6.0.tgz",
@@ -175,6 +198,11 @@
         "qs": "~2.3.3"
       }
     },
+    "universalify": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
+      "integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg=="
+    },
     "url-join": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/url-join/-/url-join-2.0.5.tgz",

package.json

 {
   "name": "stargazer",
-  "version": "1.0.0",
+  "version": "0.1.0",
   "description": "",
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "start": "http-server -o"
+    "postinstall": "node build.js",
+    "start": "http-server ./build -o"
   },
   "author": "Alexander Bazo <alexanderbazo@googlemail.com>",
   "license": "MIT",
   "dependencies": {
+    "fs-extra": "^8.1.0",
     "http-server": "^0.11.1"
   }
 }

resources/js/Config.js

@@ -3,7 +3,7 @@ var Config = {
   TARGET_FPS: 60,
   SCREEN_WIDTH: screen.width,
   SCREEN_HEIGHT: screen.height,
-  GAME_VERSION: 0.1,
+  GAME_VERSION: "$VERSION",
 };
 
 Object.freeze(Config);