feat: add support for Dart language

app/components/Workflow/DependencyGraph/CustomNodes/Code/CodeNode.js

@@ -15,6 +15,7 @@ const ICON_TYPES = {
   DATA: `${ICON_PATH}data.svg`,
   FIGURE: `${ICON_PATH}figure.svg`,
   RUST: `${ICON_PATH}rust.svg`,
+  DART: `${ICON_PATH}dart.svg`,
   SQL: `${ICON_PATH}sql.svg`,
   GO: `${ICON_PATH}go.svg`,
   C: `${ICON_PATH}c.svg`,
@@ -48,6 +49,8 @@ function CodeNode({ node, renderType }) {
     iconUrl = ICON_TYPES.GO;
   } else if (node.assetType === 'c') {
     iconUrl = ICON_TYPES.C;    
+  } else if (node.assetType === 'dart') {
+    iconUrl = ICON_TYPES.DART;
   } else if (node.assetType === Constants.DependencyType.DATA) {
     iconUrl = ICON_TYPES.DATA;
   } else if (node.assetType === Constants.DependencyType.FIGURE) {

app/components/Workflow/DependencyGraph/DependencyGraphEChart.js

@@ -22,6 +22,7 @@ const ICON_TYPES = {
   DATA: `${ICON_PATH}data.svg`,
   FIGURE: `${ICON_PATH}figure.svg`,
   RUST: `${ICON_PATH}rust.svg`,
+  DART: `${ICON_PATH}dart.svg`,
   SQL: `${ICON_PATH}sql.svg`,
   GO: `${ICON_PATH}go.svg`,
   C: `${ICON_PATH}c.svg`,
@@ -56,6 +57,8 @@ function getIcon(node) {
     iconUrl = ICON_TYPES.GO;
   } else if (node.value === 'c') {
     iconUrl = ICON_TYPES.C;
+  } else if (node.value === 'dart') {
+    iconUrl = ICON_TYPES.DART;
   } else if (node.value === Constants.DependencyType.DATA) {
     iconUrl = ICON_TYPES.DATA;
   } else if (node.value === Constants.DependencyType.FIGURE) {

app/constants/assets-config.js

@@ -59,6 +59,11 @@ module.exports = {
       extensions: ['rs'],
       categories: ['code'],
     },
+    {
+      name: 'Dart',
+      extensions: ['dart'],
+      categories: ['code'],
+    },
     {
       name: 'SQL',
       extensions: ['sql'],

app/preload.js

@@ -20,6 +20,7 @@ import CppHandler from './services/assets/handlers/cpp';
 import CHandler from './services/assets/handlers/c';
 import Constants from './constants/constants';
 import SQLHandler from './services/assets/handlers/sql';
+import DartHandler from './services/assets/handlers/dart';
 
 const projectService = new ProjectService();
 const projectListService = new ProjectListService();
@@ -64,6 +65,7 @@ contextBridge.exposeInMainWorld('workerElectronBridge', {
           new GoHandler(),
           new CppHandler(),
           new CHandler(),
+          new DartHandler(),
         ]);
         response.assets = service.scan(project.path); // Returns absolute paths
 

app/services/assets/handlers/dart.js

@@ -0,0 +1,133 @@
+import BaseCodeHandler from './baseCode';
+import Constants from '../../../constants/constants';
+
+const FILE_EXTENSION_LIST = ['dart'];
+
+export default class DartHandler extends BaseCodeHandler {
+  static id = 'StatWrap.DartHandler';
+
+  constructor() {
+    super(DartHandler.id, FILE_EXTENSION_LIST);
+  }
+
+  id() {
+    return DartHandler.id;
+  }
+
+  getLibraryId(moduleName, importName) {
+    return moduleName || importName || '(unknown)';
+  }
+
+  getInputs(uri, text) {
+    const inputs = [];
+    if (!text || text.trim() === '') {
+      return inputs;
+    }
+
+    const processedPaths = new Set();
+
+    // Typical Dart file read operations:
+    // e.g. File('path/to/file')
+    const fileMatches = [
+      ...text.matchAll(/File\s*\(\s*(r?['"]{1}[^'"]+['"]{1})\s*\)/gim),
+      ...text.matchAll(/loadString\s*\(\s*(r?['"]{1}[^'"]+['"]{1})\s*\)/gim),
+    ];
+    for (let index = 0; index < fileMatches.length; index++) {
+      const match = fileMatches[index];
+      const path = match[1].trim();
+      if (!processedPaths.has(path)) {
+        inputs.push({
+          id: `File Read - ${path}`,
+          type: Constants.DependencyType.DATA,
+          path,
+        });
+        processedPaths.add(path);
+      }
+    }
+
+    // Typical SQLite/database open operations:
+    // e.g. openDatabase('my_db.db')
+    const dbMatches = [
+      ...text.matchAll(/openDatabase\s*\(\s*(r?['"]{1,}[\s\S]+?['"]{1,})[\s\S]*?\)/gim)
+    ];
+    for (let index = 0; index < dbMatches.length; index++) {
+      const match = dbMatches[index];
+      const path = match[1].trim();
+      if (!processedPaths.has(path)) {
+        inputs.push({
+          id: `DB Conn - ${path}`,
+          type: Constants.DependencyType.DATA,
+          path,
+        });
+        processedPaths.add(path);
+      }
+    }
+
+    return inputs;
+  }
+
+  getOutputs(uri, text) {
+    const outputs = [];
+    if (!text || text.trim() === '') {
+      return outputs;
+    }
+
+    const processedPaths = new Set();
+
+    // Typical Dart file write operations:
+    // e.g. File('path/to/file').writeAsString()
+    const fileMatches = [
+      ...text.matchAll(/File\s*\(\s*(r?['"]{1,}[\s\S]+?['"]{1,})\s*\)\s*\.\s*write[a-zA-Z]*\s*\(/gim),
+    ];
+    for (let index = 0; index < fileMatches.length; index++) {
+      const match = fileMatches[index];
+      const path = match[1].trim();
+      if (!processedPaths.has(path)) {
+        outputs.push({
+          id: `File Write - ${path}`,
+          type: Constants.DependencyType.DATA,
+          path,
+        });
+        processedPaths.add(path);
+      }
+    }
+
+    return outputs;
+  }
+
+  getLibraries(uri, text) {
+    const libraries = [];
+    if (!text || text.trim() === '') {
+      return libraries;
+    }
+
+    // Dart imports:
+    // import 'package:http/http.dart' as http;
+    // import 'dart:io';
+    // import '../local_file.dart';
+    const importMatches = [
+      ...text.matchAll(/^import\s+(['"]([^'"]+)['"])(?:\s+as\s+([a-zA-Z0-9_]+))?\s*(?:show\s+[^;]+|hide\s+[^;]+)?\s*;/gm),
+    ];
+    for (let index = 0; index < importMatches.length; index++) {
+      const match = importMatches[index];
+      const importPath = match[2];
+      const alias = match[3] || null;
+
+      let moduleName = importPath;
+      if (moduleName.startsWith('package:')) {
+        moduleName = moduleName.substring(8); // Remove 'package:'
+      } else if (moduleName.startsWith('dart:')) {
+        moduleName = moduleName.substring(5); // Remove 'dart:'
+      }
+
+      libraries.push({
+        id: this.getLibraryId(moduleName, importPath),
+        module: moduleName,
+        import: importPath,
+        alias,
+      });
+    }
+
+    return libraries;
+  }
+}

app/utils/workflow.js

@@ -10,6 +10,7 @@ import SQLHandler from '../services/assets/handlers/sql';
 import GoHandler from '../services/assets/handlers/go';
 import CppHandler from '../services/assets/handlers/cpp';
 import CHandler from '../services/assets/handlers/c';
+import DartHandler from '../services/assets/handlers/dart';
 import path from 'path';
 
 export default class WorkflowUtil {
@@ -67,6 +68,8 @@ export default class WorkflowUtil {
       assetType = 'go';
     } else if (AssetUtil.getHandlerMetadata(CHandler.id, asset.metadata)) {
       assetType = 'c';
+    } else if (AssetUtil.getHandlerMetadata(DartHandler.id, asset.metadata)) {
+      assetType = 'dart';
     }
     return assetType;
   }
@@ -371,6 +374,7 @@ export default class WorkflowUtil {
     WorkflowUtil._getMetadataDependencies(asset, CppHandler.id, libraries, inputs, outputs);
     WorkflowUtil._getMetadataDependencies(asset, CHandler.id, libraries, inputs, outputs);
 
+    WorkflowUtil._getMetadataDependencies(asset, DartHandler.id, libraries, inputs, outputs);
     return libraries
       .map((e) => {
         return { ...e, direction: Constants.DependencyDirection.IN };
@@ -438,7 +442,7 @@ export default class WorkflowUtil {
     WorkflowUtil._getMetadataDependencies(asset, GoHandler.id, libraries, [], []);
     WorkflowUtil._getMetadataDependencies(asset, CppHandler.id, libraries, [], []);
     WorkflowUtil._getMetadataDependencies(asset, CHandler.id, libraries, [], []);
-
+    WorkflowUtil._getMetadataDependencies(asset, DartHandler.id, libraries, [], []);
     return libraries;
   }