feat: reorganize builder

lib/BlueprintFileHandler.js

@@ -0,0 +1,55 @@
+const path = require("path");
+const BlueprintFileReader = require("./file/BlueprintFileReader");
+const BlueprintFileWriter = require("./file/BlueprintFileWriter");
+
+/**
+ * BlueprintFileHandler coordinates file I/O operations for the Blueprint compiler.
+ */
+class BlueprintFileHandler {
+  /**
+   * Create a new BlueprintFileHandler instance.
+   * @param {Object} [options] - Options object
+   * @param {boolean} [options.debug=false] - Enable debug logging
+   */
+  constructor(options = {}) {
+    this.options = {
+      debug: false,
+      ...options,
+    };
+    
+    this.reader = new BlueprintFileReader(this.options);
+    this.writer = new BlueprintFileWriter(this.options);
+  }
+
+  /**
+   * Reads a Blueprint file from the file system.
+   * @param {string} inputPath - Path to the Blueprint file
+   * @returns {string} - The content of the file
+   * @throws {Error} - If the file does not exist or has an invalid extension
+   */
+  readBlueprintFile(inputPath) {
+    return this.reader.readFile(inputPath);
+  }
+
+  /**
+   * Writes the compiled HTML and CSS to the file system.
+   * @param {string} outputDir - Directory to write the files to
+   * @param {string} baseName - Base name for the files
+   * @param {string} html - HTML content to write
+   * @param {string} css - CSS content to write
+   * @throws {Error} - If the output directory cannot be created or the files cannot be written
+   */
+  writeCompiledFiles(outputDir, baseName, html, css) {
+    this.writer.writeCompiledFiles(outputDir, baseName, html, css);
+  }
+
+  /**
+   * Ensures that a directory exists, creating it if it does not.
+   * @param {string} dir - Directory path
+   */
+  ensureDirectoryExists(dir) {
+    this.writer.ensureDirectoryExists(dir);
+  }
+}
+
+module.exports = BlueprintFileHandler;