feat: accept javascript programming language

judgels-backends/judgels-grader-app/Dockerfile

@@ -19,6 +19,8 @@ ENV RUSTUP_HOME /usr
 ENV XDG_CACHE_HOME /tmp
 ENV JAVA_HOME /usr/lib/jvm/java-11-openjdk-amd64
 ENV PATH $JAVA_HOME/bin:$PATH
+ENV NODE_VERSION=18.0.0
+ENV NVM_DIR=/root/.nvm
 
 RUN apt-get update \
     && apt-get -y --no-install-recommends install software-properties-common gpg-agent \
@@ -40,6 +42,9 @@ RUN apt-get update \
     && ln -s /usr/bin/gcc-11 /usr/bin/gcc \
     && ln -s /usr/bin/g++-11 /usr/bin/g++ \
     && curl -sSf https://sh.rustup.rs/ | bash -s -- -y -q --default-toolchain=1.57.0 \
+    && curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.5/install.sh | bash \
+    && . "$NVM_DIR/nvm.sh" && nvm install ${NODE_VERSION} \
+    && cp $NVM_DIR/versions/node/v${NODE_VERSION}/bin/node /usr/bin/ \
     && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /judgels/grader

judgels-backends/judgels-grader-engines/src/main/java/judgels/gabriel/languages/GradingLanguageRegistry.java

@@ -13,6 +13,7 @@
 import judgels.gabriel.languages.cpp.CppGradingLanguage;
 import judgels.gabriel.languages.go.GoGradingLanguage;
 import judgels.gabriel.languages.java.JavaGradingLanguage;
+import judgels.gabriel.languages.javascript.JavascriptNode18GradingLanguage;
 import judgels.gabriel.languages.pascal.PascalGradingLanguage;
 import judgels.gabriel.languages.python.PyPy3GradingLanguage;
 import judgels.gabriel.languages.python.Python3GradingLanguage;
@@ -33,6 +34,7 @@ public class GradingLanguageRegistry {
             new PyPy3GradingLanguage(),
             new Python3GradingLanguage(),
             new Rust2021GradingLanguage(),
+            new JavascriptNode18GradingLanguage(),
             new OutputOnlyGradingLanguage());
 
     private static final List<GradingLanguage> VISIBLE_LANGUAGES = LANGUAGES.stream()

judgels-backends/judgels-grader-engines/src/main/java/judgels/gabriel/languages/javascript/JavascriptNode18GradingLanguage.java

@@ -0,0 +1,37 @@
+package judgels.gabriel.languages.javascript;
+
+import com.google.common.collect.ImmutableList;
+import java.util.List;
+import judgels.gabriel.api.GradingLanguage;
+
+public class JavascriptNode18GradingLanguage implements GradingLanguage {
+    @Override
+    public String getName() {
+        return "Javascript (Node.js 18)";
+    }
+
+    @Override
+    public boolean isVisible() {
+        return true;
+    }
+
+    @Override
+    public List<String> getAllowedExtensions() {
+        return ImmutableList.of("js");
+    }
+
+    @Override
+    public List<String> getCompilationCommand(String sourceFilename, String... sourceFilenames) {
+        return ImmutableList.of("/bin/true");
+    }
+
+    @Override
+    public String getExecutableFilename(String sourceFilename) {
+        return sourceFilename;
+    }
+
+    @Override
+    public List<String> getExecutionCommand(String sourceFilename) {
+        return ImmutableList.of("/usr/bin/node", sourceFilename);
+    }
+}

judgels-client/src/modules/api/gabriel/language.js

@@ -14,6 +14,7 @@ export const gradingLanguageNamesMap = {
   Python3: 'Python 3',
   PyPy3: 'PyPy 3',
   Rust2021: 'Rust 2021',
+  JavascriptNode18: 'Javascript (Node.js 18)',
   OutputOnly: '-',
 };
 
@@ -28,6 +29,7 @@ export const gradingLanguageFamiliesMap = {
   Python3: 'Python',
   PyPy3: 'Python',
   Rust2021: 'Rust',
+  JavascriptNode18: 'Javascript',
 };
 
 export const gradingLanguageFilenameExtensionsMap = {
@@ -41,6 +43,7 @@ export const gradingLanguageFilenameExtensionsMap = {
   Python3: ['py'],
   PyPy3: ['py'],
   Rust2021: ['rs'],
+  JavascriptNode18: ['js'],
   OutputOnly: ['zip'],
 };
 
@@ -55,6 +58,7 @@ export const gradingLanguageSyntaxHighlighterValueMap = {
   Python3: 'python',
   PyPy3: 'python',
   Rust2021: 'rust',
+  JavascriptNode18: 'javascript',
   OutputOnly: '',
 };
 
@@ -69,6 +73,7 @@ export const gradingLanguageEditorSubmissionFilenamesMap = {
   Python3: 'solution.py',
   PyPy3: 'solution.py',
   Rust2021: 'solution.rs',
+  JavascriptNode18: 'solution.js',
 };
 
 export const gradingLanguageEditorSubmissionHintsMap = {