Added CommandBase with checkForOpenWorkspace method to show error the user tries to activate an AngularTools command before opening a folder.

Author: CoderAllan

src/commands/commandBase.ts

@@ -0,0 +1,14 @@
+import * as vscode from 'vscode';
+
+export class CommandBase {
+  protected checkForOpenWorkspace() {
+    if (!vscode.workspace.workspaceFolders) {
+      vscode.window.showErrorMessage('AngularTools: Must be in an open WorkSpace. Choose menu File -> Open Folder... to open a folder.');
+      return;
+    }
+  }
+
+  protected isTypescriptFile(filename: string): boolean {
+    return filename.endsWith('.ts') && !filename.endsWith('index.ts');
+  }
+}

src/commands/componentHierarchyDgml.ts

@@ -1,18 +1,19 @@
+import { CommandBase } from '@commands';
 import { Component, ComponentManager, Config, FileSystemUtils } from '@src';
 import * as fs from 'fs';
 import * as path from 'path';
 import * as vscode from 'vscode';
 import * as xmldom from 'xmldom';
 
-
 const prettifyXml = require('prettify-xml');
 const xmlSerializer = require('xmlserializer');
 
-export class ComponentHierarchyDgml {
+export class ComponentHierarchyDgml extends CommandBase {
   private config = new Config();
   public static get commandName(): string { return 'componentHierarchyDgml'; }
 
   public execute() {
+    this.checkForOpenWorkspace();
     const fsUtils = new FileSystemUtils();
     var directoryPath: string = fsUtils.getWorkspaceFolder();
     const components = ComponentManager.findComponents(directoryPath);

src/commands/componentHierarchyMarkdown.ts

@@ -1,11 +1,13 @@
+import { CommandBase } from '@commands';
 import { Config, Component, ComponentManager, FileSystemUtils } from '@src';
 import * as path from 'path';
 
-export class ComponentHierarchyMarkdown {
+export class ComponentHierarchyMarkdown extends CommandBase {
   private config = new Config();
   public static get commandName(): string { return 'componentHierarchyMarkdown'; }
 
   public execute() {
+    this.checkForOpenWorkspace();
     const fsUtils = new FileSystemUtils();
     var workspaceDirectory: string = fsUtils.getWorkspaceFolder();
     const components = ComponentManager.findComponents(workspaceDirectory);

src/commands/index.ts

@@ -1,3 +1,4 @@
+export * from './commandBase';
 export * from './componentHierarchyDgml';
 export * from './listAllImports';
 export * from './modulesToMarkdown';

src/commands/listAllImports.ts

@@ -2,22 +2,20 @@ import * as fs from 'fs';
 import * as vscode from 'vscode';
 
 import { ArrayUtils, Config, FileSystemUtils } from '@src';
+import { CommandBase } from '@commands';
 
-export class ListAllImports {
+export class ListAllImports extends CommandBase {
   private config = new Config();
   public static get commandName(): string { return 'listAllImports'; }
 
   public execute() {
+    this.checkForOpenWorkspace();
     const fsUtils = new FileSystemUtils();
     var directoryPath: string = fsUtils.getWorkspaceFolder();
     const files = fsUtils.listFiles(directoryPath, this.config.excludeDirectories, this.isTypescriptFile);
     this.writeResult(directoryPath, files);
   }
 
-  private isTypescriptFile(filename: string): boolean {
-    return filename.endsWith('.ts') && !filename.endsWith('index.ts');
-  }
-
   private writeResult(workspaceDirectory: string, results: string[]) {
     const imports: { [module: string]: number } = {};
     if (!results) { return; }

src/commands/modulesToMarkdown.ts

@@ -2,6 +2,7 @@ import * as fs from 'fs';
 import * as vscode from 'vscode';
 import * as path from 'path';
 import { ArrayUtils, Config, FileSystemUtils } from '@src';
+import { CommandBase } from '@commands';
 
 export interface INgModule {
   imports: string[];
@@ -34,11 +35,12 @@ export class NgModule implements INgModule {
   }
 }
 
-export class ModulesToMarkdown {
+export class ModulesToMarkdown extends CommandBase {
   private config = new Config();
   public static get commandName(): string { return 'modulesToMarkdown'; }
 
   public execute() {
+    this.checkForOpenWorkspace();
     const fsUtils = new FileSystemUtils();
     var workspaceDirectory: string = fsUtils.getWorkspaceFolder();
     const filenames = fsUtils.listFiles(workspaceDirectory, this.config.excludeDirectories, this.isTypescriptFile);
@@ -67,10 +69,6 @@ export class ModulesToMarkdown {
     fsUtils.writeFileAndOpen(path.join(workspaceDirectory, this.config.modulesToMarkdownFilename), markdownContent);
   }
 
-  private isTypescriptFile(filename: string): boolean {
-    return filename.endsWith('.ts') && !filename.endsWith('index.ts');
-  }
-
   private readModule(filename: string, errors: string[]): NgModule | undefined {
     const fileContents = fs.readFileSync(filename);
     const regex: RegExp = /@NgModule\s*\(\s*(\{.+?\})\s*\)\s*export\s+class\s+(\w+)\s*\{/ims;

src/commands/packageJsonToMarkdown.ts

@@ -2,14 +2,16 @@ import * as fs from 'fs';
 import * as path from 'path';
 
 import { ArrayUtils, Config, FileSystemUtils } from '@src';
+import { CommandBase } from '@commands';
 
 const fetch = require('npm-registry-fetch');
 
-export class PackageJsonToMarkdown {
+export class PackageJsonToMarkdown extends CommandBase {
   private config = new Config();
   public static get commandName(): string { return 'packageJsonToMarkdown'; }
 
   public execute() {
+    this.checkForOpenWorkspace();
     const fsUtils = new FileSystemUtils();
     const directoryPath: string = fsUtils.getWorkspaceFolder();
     const isPackageJson = (filename: string): boolean => filename.toLowerCase().endsWith('package.json');

src/commands/projectDirectoryStructure.ts

@@ -1,11 +1,13 @@
 import { Config, FileSystemUtils } from '@src';
+import { CommandBase } from '@commands';
 import * as vscode from 'vscode';
 
-export class ProjectDirectoryStructure {
+export class ProjectDirectoryStructure extends CommandBase {
   private config = new Config();
   public static get commandName(): string { return 'projectDirectoryStructure'; }
 
   public execute() {
+    this.checkForOpenWorkspace();
     const fsUtils = new FileSystemUtils();
     var workspaceDirectory: string = fsUtils.getWorkspaceFolder();
     const directories: string[] = fsUtils.listDirectories(workspaceDirectory, this.config.excludeDirectories);

src/commands/showComponentHierarchy.ts

@@ -1,3 +1,4 @@
+import { CommandBase } from '@commands';
 import { Component, ComponentManager, Config, FileSystemUtils } from '@src';
 import * as fs from 'fs';
 import { Base64 } from 'js-base64';
@@ -34,18 +35,19 @@ class Edge {
   }
 }
 
-export class ShowComponentHierarchy {
+export class ShowComponentHierarchy extends CommandBase {
   private config = new Config();
   private extensionContext: vscode.ExtensionContext;
   private fsUtils = new FileSystemUtils();
   private static readonly Name = 'showComponentHierarchy';
   constructor(context: vscode.ExtensionContext) {
+    super();
     this.extensionContext = context;
   }
   public static get commandName(): string { return ShowComponentHierarchy.Name; }
 
   public execute(webview: vscode.Webview) {
-
+    this.checkForOpenWorkspace();
     webview.onDidReceiveMessage(
       message => {
         switch (message.command) {