Add support for JavaScript(Node.js)

README.md

@@ -53,6 +53,7 @@ enter testcases.
 -   Go
 -   Python
 -   Java
+-   JavaScript (Node.js)
 
 ## Contributing
 

package.json

@@ -210,6 +210,19 @@
                     "default": "javac",
                     "description": "Command used to compile java files."
                 },
+                "cph.language.javascript.SubmissionCompiler": {
+                    "type": "string",
+                    "default": "Node.js 12.16.3",
+                    "enum": [
+                        "Node.js 12.16.3"
+                    ],
+                    "description": "The compiler chosen in the drop down during Codeforces submission for Node.js"
+                },
+                "cph.language.javascript.Command": {
+                    "type": "string",
+                    "default": "node",
+                    "description": "Command used to compile .js files."
+                },
                 "cph.general.firstTime": {
                     "title": "Show welcome message",
                     "type": "boolean",
@@ -232,7 +245,7 @@
                 },
                 "cph.general.menuChoices": {
                     "type": "string",
-                    "default": "cpp java python c rust",
+                    "default": "cpp java javascript python c rust",
                     "description": "Space separated languages, in top to bottom order, shown in menu when a problem is imported via Competitive Companion. Example 'java python' would show java on top, followed by python."
                 },
                 "cph.general.useShortCodeForcesName": {

src/compiler.ts

@@ -41,7 +41,7 @@ export const getBinSaveLocation = (srcPath: string): string => {
 };
 
 /**
- * Get the complete lsit of required arguments to be passed to the compiler.
+ * Get the complete list of required arguments to be passed to the compiler.
  * Loads additional args from preferences if available.
  *
  * @param language The Language object for the source code

src/config.ts

@@ -12,6 +12,7 @@ export default {
         python: 'py',
         rust: 'rs',
         java: 'java',
+        javascript: 'js',
         go: 'go',
     },
     compilers: {
@@ -20,6 +21,7 @@ export default {
         python: 'python',
         rust: 'rustc',
         java: 'javac',
+        javascript: 'node',
         go: 'go',
     },
     compilerToId: {
@@ -33,6 +35,7 @@ export default {
         'Clang++17 Diagnostics': 52,
         'Java 11.0.6': 60,
         'Java 1.8.0_241': 36,
+        'Node.js 12.16.3': 55,
         'PyPy 3.6 (7.2.0)': 41,
         'Python 3.7.2': 31,
         'PyPy 2.7 (7.2.0)': 40,
@@ -41,6 +44,6 @@ export default {
         'Go 1.19.5': 32,
         'Rust 1.66.0 (2021)': 75,
     },
-    supportedExtensions: ['py', 'cpp', 'rs', 'c', 'java', 'go'],
-    skipCompile: ['py'],
+    supportedExtensions: ['py', 'cpp', 'rs', 'c', 'java', 'js', 'go'],
+    skipCompile: ['py', 'js'],
 };

src/executions.ts

@@ -59,6 +59,14 @@ export const runTestCase = (
             );
             break;
         }
+        case 'javascript': {
+            process = spawn(
+                language.compiler,
+                [binPath, ...language.args],
+                // spawnOpts, // `spawnOpts.env` will make PATH be empty, then can't find `node` command
+            );
+            break;
+        }
         case 'java': {
             const args: string[] = [];
             if (onlineJudgeEnv) {

src/preferences.ts

@@ -94,6 +94,8 @@ export const getRustCommand = (): string =>
     getPreference('language.rust.Command') || 'rustc';
 export const getJavaCommand = (): string =>
     getPreference('language.java.Command') || 'javac';
+export const getJavaScriptCommand = (): string =>
+    getPreference('language.javascript.Command') || 'node';
 export const getGoCommand = (): string =>
     getPreference('language.go.Command') || 'go';
 
@@ -114,6 +116,11 @@ export const getLanguageId = (srcPath: string): number => {
             compiler = getPreference('language.java.SubmissionCompiler');
             break;
         }
+
+        case '.js': {
+            compiler = getPreference('language.javascript.SubmissionCompiler');
+            break;
+        }
 
         case '.c': {
             compiler = getPreference('language.c.SubmissionCompiler');

src/types.ts

@@ -23,6 +23,8 @@ export type prefSection =
     | 'language.java.Args'
     | 'language.java.SubmissionCompiler'
     | 'language.java.Command'
+    | 'language.javascript.SubmissionCompiler'
+    | 'language.javascript.Command'
     | 'language.python.Args'
     | 'language.python.SubmissionCompiler'
     | 'language.python.Command'
@@ -37,7 +39,7 @@ export type Language = {
     skipCompile: boolean;
 };
 
-export type LangNames = 'python' | 'c' | 'cpp' | 'rust' | 'java' | 'go';
+export type LangNames = 'python' | 'c' | 'cpp' | 'rust' | 'java' | 'javascript' | 'go';
 
 export type TestCase = {
     input: string;

src/utils.ts

@@ -18,6 +18,7 @@ import {
     getPythonCommand,
     getRustCommand,
     getJavaCommand,
+    getJavaScriptCommand,
     getGoCommand,
 } from './preferences';
 import { Language, Problem } from './types';
@@ -81,6 +82,14 @@ export const getLanguage = (srcPath: string): Language => {
                 skipCompile: false,
             };
         }
+        case 'javascript': {
+            return {
+                name: langName,
+                args: [],
+                compiler: getJavaScriptCommand(),
+                skipCompile: true,
+            };
+        }
         case 'go': {
             return {
                 name: langName,