feat: autofix feature for common linting errors

src/autoFix.ts

@@ -0,0 +1,76 @@
+import * as vscode from 'vscode';
+import * as path from 'path';
+import * as yaml from 'js-yaml';
+import * as fs from 'fs';
+import { createFix } from './createFix';
+
+interface QuickFixOption {
+  message: string;
+  errorCheck: string;
+  quickfix: {
+    text: string;
+    type: string;
+  };
+}
+
+interface QuickFixData {
+  [errorCode: string]: QuickFixOption[];
+}
+
+export function activate(context: vscode.ExtensionContext) {
+  // Register code action provider
+  const codeActionProvider = new DiagnosticFixProvider();
+  context.subscriptions.push(
+    vscode.languages.registerCodeActionsProvider({ scheme: 'file', language: 'yaml' }, codeActionProvider)
+  );
+}
+
+export class DiagnosticFixProvider implements vscode.CodeActionProvider {
+  private quickFixes: QuickFixData = {};
+
+  constructor() {
+    // Load quick fixes from external YAML file
+    const yamlFilePath = path.join(__dirname, '../src/quickfixes.yaml');
+    const yamlContent = fs.readFileSync(yamlFilePath, 'utf8');
+    this.quickFixes = yaml.load(yamlContent) as QuickFixData;
+  }
+
+  provideCodeActions(
+    document: vscode.TextDocument,
+    range: vscode.Range,
+    context: vscode.CodeActionContext
+  ): vscode.CodeAction[] | undefined {
+    const codeActions: vscode.CodeAction[] = [];
+
+    // Check if the file is YAML or YML
+    const extension = path.extname(document.fileName);
+    if (extension !== '.yaml' && extension !== '.yml') {
+      return codeActions;
+    }
+
+    for (const diagnostic of context.diagnostics) {
+      const errorCode = diagnostic.code?.toString();
+      if (errorCode && this.quickFixes[errorCode]) {
+        const options = this.quickFixes[errorCode];
+        for (const option of options) {
+          if (errorCode === 'asyncapi-schema'){
+            if(diagnostic.message.includes(option.errorCheck)) {
+              const fix = createFix(document, range, errorCode, option, this.quickFixes);
+              if (fix) {
+                codeActions.push(fix);
+              }
+            }
+          }else{
+            const fix = createFix(document, range, errorCode, option, this.quickFixes);
+              if (fix) {
+                codeActions.push(fix);
+              }
+          }
+        }
+      }
+    }
+
+    return codeActions;
+  }
+}
+

src/createFix.ts

@@ -0,0 +1,98 @@
+import * as vscode from 'vscode';
+
+interface QuickFixOption {
+  message: string;
+  quickfix: {
+    text: string;
+    type: string;
+  };
+}
+
+interface CustomCodeAction extends vscode.CodeAction {
+  [key: string]: any;
+}
+
+export function createFix(
+  document: vscode.TextDocument,
+  range: vscode.Range,
+  errorCode: string,
+  option: QuickFixOption,
+  quickFixes: { [errorCode: string]: QuickFixOption[] }
+): vscode.CodeAction | undefined {
+  const { message, quickfix } = option;
+
+  const fix: CustomCodeAction = new vscode.CodeAction(
+    quickfix.text,
+    vscode.CodeActionKind.QuickFix
+  );
+  fix.edit = new vscode.WorkspaceEdit();
+
+  if (quickfix.type === 'update') {
+    // Replace the version within the range
+    fix.edit.replace(document.uri, range, quickfix.text);
+  } else if (quickfix.type === 'delete') {
+    // Delete the text within the range
+    const lineToDelete = range.start.line;
+    if (lineToDelete >= 0) {
+      const line = document.lineAt(lineToDelete);
+      const deleteRange = new vscode.Range(line.range.start, line.range.end);
+      fix.edit.delete(document.uri, deleteRange);
+    }
+  }else if (quickfix.type === 'append') {
+    // Append '-1' to the duplicate name value
+    const line = document.lineAt(range.start.line);
+    const lineText = line.text;
+
+    // Find the position of the duplicate name value
+    const nameStartIndex = lineText.indexOf(': "') + 3;
+    const nameEndIndex = lineText.lastIndexOf('"');
+
+    if (nameStartIndex !== -1 && nameEndIndex !== -1) {
+      const existingNameValue = lineText.substring(nameStartIndex, nameEndIndex);
+      const newNameValue = `${existingNameValue}-1`;
+      //vscode.window.showInformationMessage(`Existing Name: ${existingNameValue}, New Name: ${newNameValue}`);
+      // Replace the existing name value with the appended one
+      const nameValueRange = new vscode.Range(
+        range.start.line,
+        nameStartIndex,
+        range.start.line,
+        nameEndIndex
+      );
+      fix.edit.replace(document.uri, nameValueRange, newNameValue);
+    }
+    } else if (quickfix.type === 'add') {
+      const line = document.lineAt(range.start.line);
+      const lineText = line.text;
+
+      // Calculate the indentation based on the line before the error
+      const previousLine = document.lineAt(range.start.line - 1);
+      const previousIndentation = previousLine.text.match(/^\s*/)?.[0] || '';
+
+      // Check if the current line has an error, and then add the indentation
+      if (errorCode === 'asyncapi-schema') {
+        const insertionPosition = line.range.end;
+
+        // Insert the quick fix text after the ':' 
+        const insertionText = ` ${quickfix.text}`;
+        fix.edit.insert(document.uri, insertionPosition, insertionText);
+      } else {
+        // Insert the quick fix text with the calculated indentation
+        const shouldAddIndentation = lineText.trim().length > 0;
+        const indentation = shouldAddIndentation ? previousIndentation : '';
+
+        const insertionPosition = line.range.end;
+        const insertionText = `\n${indentation}${quickfix.text}`;
+        fix.edit.insert(document.uri, insertionPosition, insertionText);
+      }
+
+
+  }
+
+  // Set the error message as the code action's title
+  fix.title = message;
+
+  // Add type field to code action metadata
+  fix.type = quickfix.type;
+
+  return fix;
+}

src/extension.ts

@@ -1,7 +1,7 @@
 import * as vscode from 'vscode';
 import { isAsyncAPIFile, openAsyncAPI, openAsyncapiFiles, previewAsyncAPI } from './PreviewWebPanel';
 import { asyncapiSmartPaste } from './SmartPasteCommand';
-
+import { MyCodeActionProvider } from './autoFix';
 
 export function activate(context: vscode.ExtensionContext) {
   console.log('Congratulations, your extension "asyncapi-preview" is now active!');
@@ -37,6 +37,11 @@ export function activate(context: vscode.ExtensionContext) {
   context.subscriptions.push(vscode.commands.registerCommand('asyncapi.preview', previewAsyncAPI(context)));
 
   context.subscriptions.push(vscode.commands.registerCommand("asyncapi.paste", asyncapiSmartPaste));
+
+  const codeActionProvider = new MyCodeActionProvider();
+  context.subscriptions.push(
+    vscode.languages.registerCodeActionsProvider({ scheme: 'file', language: 'yaml' }, codeActionProvider)
+  );
 }
 
 export function deactivate() {}

src/quickfixes.yaml

@@ -0,0 +1,62 @@
+asyncapi-latest-version:
+  - message: "The latest version is not used. You should update to the '2.4.0' version."
+    errorCheck: "version"
+    quickfix:
+      text: "2.4.0"
+      type: "update"
+  - message: "The latest version is not used. You should update to the '2.5.0' version."
+    errorCheck: "version"
+    quickfix:
+      text: "2.5.0"
+      type: "update"     
+
+asyncapi-schema:
+  - message: "'title' property type must be string"
+    errorCheck: "title"
+    quickfix:
+      text: "Example API"
+      type: "add"
+  - message: "'version' property type must be string"
+    errorCheck: "version"
+    quickfix:
+      text: "1.0.0"
+      type: "add"  
+  - message: "'name' property type must be string"
+    errorCheck: "name"
+    quickfix:
+      text: "Dummy Name"
+      type: "add"            
+  - message: "'url' property type must be string"
+    errorCheck: "url"
+    quickfix:
+      text: "https://example.com"
+      type: "add"
+  - message: "'description' property type must be string"
+    errorCheck: "description"
+    quickfix:
+      text: "Dummy description"
+      type: "add"
+
+
+asyncapi-info-contact-properties:
+  - message: "Add a 'name'"
+    quickfix:
+      text: "name: Dummy Name"
+      type: "add"
+  - message: "Add a 'email'"
+    quickfix:
+      text: "email: [email protected]"
+      type: "add"
+  - message: "Add a 'url'"
+    quickfix:
+      text: "url: https://example.com"
+      type: "add"
+
+asyncapi-tags-uniqueness:
+  - message: "Delete the same value object"   
+    quickfix:
+      type: "delete"
+  - message: "Update the same value object"   
+    quickfix:
+      type: "append"      
+      text: "-1"