fix(jsbattle-engine): fix error handling when creating AI from incorrect input

Author: jamro

packages/jsbattle-docs/docs/configuration.md

@@ -84,8 +84,8 @@ List of all settings of JsBattle:
       // define each provider as separate object
       {
         // name of provider. Supported values are: github, facebook, google
-        // authStrategies['github'] = require("passport-github2");
-        "name": 'github',
+        // authStrategies["github"] = require("passport-github2");
+        "name": "github",
 
         // client ID generated by OAuth provider
         "clientID": "XXXXXXXXXXXXXXXXXXXX",

packages/jsbattle-engine/src/engine/AiDefinition.js

@@ -145,7 +145,9 @@ class AiDefinition {
    */
   fromCode(tankName, code, initData) {
     if(!tankName) throw "tankName is required";
-    if(code === undefined) throw "Code is required";
+    if(!code) throw "Code is required";
+    if(typeof(tankName) != 'string') throw "tankName must be a string";
+    if(typeof(code) != 'string') throw "code must be a string";
     code = code.replace(/importScripts\w*\([^\)]*\)/g, '');
     this._name = tankName;
     this._code = code;

packages/jsbattle-webpage/src/components/LiveCode.js

@@ -65,7 +65,12 @@ class LiveCode extends React.Component {
     let aiList = [];
     for(let i = 0; i < count; i++) {
       let ai = JsBattle.createAiDefinition();
-      ai.fromCode(this.props.name, code);
+      try {
+        ai.fromCode(this.props.name, code);
+      } catch(err) {
+        console.error('Unable to create AI "' + this.props.name + '" from code', code);
+        console.error(err);
+      }
       aiList.push(ai);
     }
     return template.concat(aiList);