Added an option to set severity levels automatically based on Rule (s…

…pelling) and Category (grammar, punctuation, typography).

package.json

@@ -138,6 +138,11 @@
             "error"
           ]
         },
+        "languageToolLinter.diagnosticSeverityAuto": {
+          "type": "boolean",
+          "default": false,
+          "description": "Spelling mistakes will be set as Error, while punctuation, grammar and typography mistakes as Warning. Anything else as the configured Diagnostic Severity level (recommended to be set as Information when using this option)."
+        },
         "languageToolLinter.enabled": {
           "type": "boolean",
           "default": true,

src/ConfigurationManager.ts

@@ -253,6 +253,14 @@ export class ConfigurationManager implements Disposable {
     }
   }
 
+  public getDiagnosticSeverityAuto(): boolean {
+    const severityAuto = this.config.get("diagnosticSeverityAuto");
+    if (severityAuto === true) {
+      return true
+    }
+    return false
+  }
+
   public getClassPath(): string {
     const jarFile: string = this.get("managed.jarFile") as string;
     const classPath: string = this.get("managed.classPath") as string;
@@ -400,7 +408,7 @@ export class ConfigurationManager implements Disposable {
       if (username && apiKey) {
         parameters.set("username", username);
         parameters.set("apiKey", apiKey);
-      }  
+      }
     }
     // Make sure disabled rules and disabled categories do not contain spaces
     const CONFIG_DISABLED_RULES = "languageTool.disabledRules";

src/Linter.ts

@@ -64,6 +64,14 @@ export class Linter implements CodeActionProvider {
     );
   }
 
+  public static isWarningCategory(categoryId: string): boolean {
+    return (
+      categoryId.indexOf("GRAMMAR") !== -1 ||
+      categoryId.indexOf("PUNCTUATION") !== -1 ||
+      categoryId.indexOf("TYPOGRAPHY") !== -1
+    );
+  }
+
   public diagnosticCollection: DiagnosticCollection;
   public remarkBuilderOptions: RemarkBuilder.IOptions = RemarkBuilder.defaults;
   public rehypeBuilderOptions: RehypeBuilder.IOptions = RehypeBuilder.defaults;
@@ -366,6 +374,7 @@ export class Linter implements CodeActionProvider {
       const end: Position = document.positionAt(match.offset + match.length);
       const ignored: IIgnoreItem[] = this.getIgnoreList(document, start);
       const diagnosticSeverity: DiagnosticSeverity = this.configManager.getDiagnosticSeverity();
+      const diagnosticSeverityAuto: boolean = this.configManager.getDiagnosticSeverityAuto();
       const diagnosticRange: Range = new Range(start, end);
       const diagnosticMessage: string = match.message;
       const diagnostic: LTDiagnostic = new LTDiagnostic(
@@ -388,6 +397,13 @@ export class Linter implements CodeActionProvider {
         };
       }
       diagnostics.push(diagnostic);
+      if (diagnosticSeverityAuto) {
+        if (Linter.isSpellingRule(match.rule.id)) {
+          diagnostic.severity = DiagnosticSeverity.Error
+        } else if (Linter.isWarningCategory(match.rule.category.id)) {
+          diagnostic.severity = DiagnosticSeverity.Warning
+        }
+      }
       if (
         Linter.isSpellingRule(match.rule.id) &&
         this.configManager.isIgnoredWord(document.getText(diagnostic.range)) &&