feat: improve pre-commit-actions API

src/main/java/tech/jhipster/lite/generator/client/angular/core/domain/AngularModuleFactory.java

@@ -22,7 +22,7 @@ public class AngularModuleFactory {
   public JHipsterModule buildModule(JHipsterModuleProperties properties) {
     //@formatter:off
     return moduleBuilder(properties)
-      .preCommitActions(stagedFilesFilter("{src/**/,}*.ts"), preCommitCommands("['eslint --fix', 'prettier --write']"))
+      .preCommitActions(stagedFilesFilter("{src/**/,}*.ts"), preCommitCommands("eslint --fix", "prettier --write"))
       .gitIgnore()
         .comment("Angular")
         .pattern(".angular/")

src/main/java/tech/jhipster/lite/generator/client/react/core/domain/ReactCoreModulesFactory.java

@@ -32,7 +32,7 @@ public class ReactCoreModulesFactory {
   public JHipsterModule buildModule(JHipsterModuleProperties properties) {
     //@formatter:off
     return moduleBuilder(properties)
-      .preCommitActions(stagedFilesFilter("{src/**/,}*.{ts,tsx}"), preCommitCommands("['eslint --fix', 'prettier --write']"))
+      .preCommitActions(stagedFilesFilter("{src/**/,}*.{ts,tsx}"), preCommitCommands("eslint --fix", "prettier --write"))
       .packageJson()
         .type(MODULE)
         .addDevDependency(packageName("@testing-library/dom"), REACT)

src/main/java/tech/jhipster/lite/generator/client/svelte/core/domain/SvelteModuleFactory.java

@@ -29,7 +29,7 @@ public JHipsterModule buildSvelteModule(JHipsterModuleProperties properties) {
 
     //@formatter:off
     return moduleBuilder(properties)
-      .preCommitActions(stagedFilesFilter("{src/**/,}*.ts"), preCommitCommands("['eslint --fix', 'prettier --write']"))
+      .preCommitActions(stagedFilesFilter("{src/**/,}*.ts"), preCommitCommands("eslint --fix", "prettier --write"))
       .gitIgnore()
         .comment("Svelte")
         .pattern(".svelte-kit/")

src/main/java/tech/jhipster/lite/generator/client/vue/core/domain/VueModulesFactory.java

@@ -38,7 +38,7 @@ public class VueModulesFactory {
   public JHipsterModule buildVueModule(JHipsterModuleProperties properties) {
     //@formatter:off
     return moduleBuilder(properties)
-      .preCommitActions(stagedFilesFilter("{src/**/,}*.{ts,vue}"), preCommitCommands("['eslint --fix', 'prettier --write']"))
+      .preCommitActions(stagedFilesFilter("{src/**/,}*.{ts,vue}"), preCommitCommands("eslint --fix", "prettier --write"))
       .documentation(documentationTitle("Vue"), DOCUMENTATION_SOURCE.file("vue.md"))
       .packageJson()
         .type(MODULE)

src/main/java/tech/jhipster/lite/generator/server/javatool/protobuf/domain/ProtobufModuleFactory.java

@@ -3,6 +3,7 @@
 import static tech.jhipster.lite.module.domain.JHipsterModule.*;
 
 import tech.jhipster.lite.module.domain.JHipsterModule;
+import tech.jhipster.lite.module.domain.PreCommitCommands;
 import tech.jhipster.lite.module.domain.file.JHipsterDestination;
 import tech.jhipster.lite.module.domain.file.JHipsterSource;
 import tech.jhipster.lite.module.domain.gradleplugin.GradleCommunityPlugin;
@@ -110,7 +111,7 @@ public JHipsterModule buildProtobufBackwardsCompatibilityCheckModule(JHipsterMod
         .pluginManagement(protoBackwardsCompatibilityMavenPluginManagement())
         .plugin(protoBackwardsCompatibilityMavenPluginBuilder().build())
         .and()
-      .preCommitActions(stagedFilesFilter("*.proto"), preCommitCommands("() => ['mvn proto-backwards-compatibility:backwards-compatibility-check', 'git add *proto.lock']"))
+      .preCommitActions(stagedFilesFilter("*.proto"), new PreCommitCommands("() => ['mvn proto-backwards-compatibility:backwards-compatibility-check', 'git add *proto.lock']"))
       .build();
     //@formatter:on
   }

src/main/java/tech/jhipster/lite/module/domain/JHipsterModule.java

@@ -362,8 +362,8 @@ public static StagedFilesFilter stagedFilesFilter(String filesFilter) {
     return new StagedFilesFilter(filesFilter);
   }
 
-  public static PreCommitCommands preCommitCommands(String commands) {
-    return new PreCommitCommands(commands);
+  public static PreCommitCommands preCommitCommands(String... commands) {
+    return PreCommitCommands.of(commands);
   }
 
   public static GradleCorePluginIdBuilder gradleCorePlugin() {

src/main/java/tech/jhipster/lite/module/domain/PreCommitCommands.java

@@ -1,12 +1,39 @@
 package tech.jhipster.lite.module.domain;
 
+import static java.util.stream.Collectors.joining;
+
+import java.util.stream.Stream;
 import tech.jhipster.lite.shared.error.domain.Assert;
 
+/**
+ * Pre-commit commands in the format supported by lint-staged.
+ * Can be a single command, or a list of commands, or a javascript function.
+ */
 public record PreCommitCommands(String commands) {
   public PreCommitCommands {
     Assert.notBlank("commands", commands);
   }
 
+  public static PreCommitCommands of(String... commands) {
+    Assert.notEmpty("commands", commands);
+
+    if (commands.length == 1) {
+      String command = commands[0];
+      if (command.matches("^\\[.*]$")) {
+        return new PreCommitCommands(command);
+      }
+      return new PreCommitCommands(withQuotes(command));
+    }
+    return new PreCommitCommands(Stream.of(commands).map(PreCommitCommands::withQuotes).collect(joining(", ", "[", "]")));
+  }
+
+  private static String withQuotes(String command) {
+    if (command.matches("^'.*'$")) {
+      return command;
+    }
+    return "'%s'".formatted(command);
+  }
+
   public String get() {
     return commands;
   }

src/main/java/tech/jhipster/lite/shared/error/domain/Assert.java

@@ -70,6 +70,20 @@ public static void notEmpty(String field, Collection<?> collection) {
     field(field, collection).notEmpty();
   }
 
+  /**
+   * Ensure that the given array is not empty
+   *
+   * @param field
+   *          name of the field to check (will be displayed in an exception message)
+   * @param array
+   *          array to check
+   * @throws MissingMandatoryValueException
+   *           if the array is null or empty
+   */
+  public static <T> void notEmpty(String field, T[] array) {
+    field(field, array).notEmpty();
+  }
+
   /**
    * Ensure that the value contains no whitespace
    *

src/test/java/tech/jhipster/lite/module/domain/PreCommitCommandsTest.java

@@ -0,0 +1,30 @@
+package tech.jhipster.lite.module.domain;
+
+import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
+
+import org.junit.jupiter.api.Test;
+import tech.jhipster.lite.UnitTest;
+
+@UnitTest
+class PreCommitCommandsTest {
+
+  @Test
+  void shouldHandleSingleCommand() {
+    assertThat(PreCommitCommands.of("prettier --write").get()).isEqualTo("'prettier --write'");
+  }
+
+  @Test
+  void shouldHandleSingleCommandAlreadyQuoted() {
+    assertThat(PreCommitCommands.of("'prettier --write'").get()).isEqualTo("'prettier --write'");
+  }
+
+  @Test
+  void shouldHandleSingleCommandAlreadyArray() {
+    assertThat(PreCommitCommands.of("['prettier --write']").get()).isEqualTo("['prettier --write']");
+  }
+
+  @Test
+  void shouldHandleMultipleCommands() {
+    assertThat(PreCommitCommands.of("prettier --write", "eslint --fix").get()).isEqualTo("['prettier --write', 'eslint --fix']");
+  }
+}