feat: add bun task

src/main/java/bee/Platform.java

@@ -22,6 +22,15 @@
  */
 public final class Platform {
 
+    /** OS */
+    public static final String OSName = System.getProperty("os.name");
+
+    /** OS */
+    public static final String OSVersion = System.getProperty("os.version");
+
+    /** OS */
+    public static final String OSArch = System.getProperty("os.arch");
+
     /** The encoding. */
     public static final Charset Encoding = Charset.forName(System.getProperty("sun.jnu.encoding"));
 
@@ -166,6 +175,15 @@ public static boolean isLinux() {
         return isLinux;
     }
 
+    /**
+     * Check whether the current platform is Linux like OS or not.
+     * 
+     * @return Result
+     */
+    public static boolean isMac() {
+        return OSName.contains("Mac") || OSName.contains("Darwin");
+    }
+
     /**
      * Check whether the current platform is Github Action or not.
      * 

src/main/java/bee/task/Bun.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2024 Nameless Production Committee
+ *
+ * Licensed under the MIT License (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *          http://opensource.org/licenses/mit-license.php
+ */
+package bee.task;
+
+import bee.Platform;
+import bee.Task;
+import bee.api.Command;
+import bee.util.Process;
+
+public class Bun extends Task {
+
+    @Command("Install bun.")
+    public void install() {
+        if (Process.isAvailable("bun")) {
+            ui.info("Bun [", Process.with().read("bun -v"), "] is already installed.");
+        } else {
+            Process.with()
+                    .inheritIO()
+                    .when(Platform::isWindows, "powershell -c \"irm bun.sh/install.ps1|iex\"")
+                    .run("curl -fsSL https://bun.sh/install | bash");
+        }
+    }
+
+    @Command("Launch development server.")
+    public void dev() {
+        Process.with().inheritIO().run("bun run dev");
+    }
+}

src/main/java/bee/util/Process.java

@@ -14,6 +14,7 @@
 import java.nio.charset.Charset;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.function.BooleanSupplier;
 import java.util.stream.Collectors;
 
 import bee.Platform;
@@ -35,16 +36,26 @@ public class Process {
     /** The flag. */
     private boolean showOutput = true;
 
+    /** The flag. */
+    private boolean inheritIO = false;
+
     /** The exit code. */
     private int exit;
 
     /** The logger. */
     private boolean verbose;
 
+    /** The overridden command for specific platform. */
+    private List<String> overriden;
+
     /**
-     * Hide Constructor.
+     * Test command.
+     * 
+     * @param command
+     * @return
      */
-    private Process() {
+    public static boolean isAvailable(String command) {
+        return Process.with().ignoreOutput().run(Platform.isWindows() ? "where" : "which", command) == 0;
     }
 
     /**
@@ -74,6 +85,12 @@ public static String readWith(Object... commands) {
         return with().read(commands);
     }
 
+    /**
+     * Hide Constructor.
+     */
+    private Process() {
+    }
+
     /**
      * Set the working directory of the sub process.
      * 
@@ -135,6 +152,38 @@ public Process verbose() {
         return this;
     }
 
+    /**
+     * Configure user IO.
+     * 
+     * @return
+     */
+    public Process inheritIO() {
+        inheritIO = true;
+        return this;
+    }
+
+    /**
+     * Configure the platform specific command.
+     * 
+     * @param command
+     * @return
+     */
+    public Process when(BooleanSupplier condition, String command) {
+        if (condition.getAsBoolean()) {
+            overriden = List.of(command.split(" "));
+        }
+        return this;
+    }
+
+    /**
+     * Execute sub process.
+     * 
+     * @param commands
+     */
+    public int run(String commands) {
+        return run(List.of(commands.split(" ")));
+    }
+
     /**
      * Execute sub process.
      * 
@@ -160,6 +209,15 @@ public int run(List<String> command) {
         return exit;
     }
 
+    /**
+     * Execute sub process and accept its result.
+     * 
+     * @param commands
+     */
+    public String read(String commands) {
+        return read(List.of(commands.split(" ")));
+    }
+
     /**
      * Execute sub process and accept its result.
      * 
@@ -191,6 +249,10 @@ public String read(List<String> command) {
      * @return
      */
     private String run(List<String> command, boolean userOutput) {
+        if (overriden != null) {
+            command = overriden;
+        }
+
         try {
             ProcessBuilder builder = new ProcessBuilder();
 
@@ -207,7 +269,11 @@ private String run(List<String> command, boolean userOutput) {
                 builder.directory(directory.asJavaFile());
             }
 
-            builder.redirectErrorStream(true);
+            if (inheritIO) {
+                builder.inheritIO();
+            } else {
+                builder.redirectErrorStream(true);
+            }
             builder.command(command);
 
             if (verbose) {