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Author: mhegazy

src/services/codefixes/disableJsDiagnostics.ts

@@ -20,16 +20,23 @@ namespace ts.codefix {
         let { line } = getLineAndCharacterOfPosition(sourceFile, position);
         const lineStartPosition = getStartPositionOfLine(line, sourceFile);
         const startPosition = getFirstNonSpaceCharacterPosition(sourceFile.text, lineStartPosition);
+
+        // First try to see if we can put the '// @ts-suppress' on the previous line.
+        // We need to make sure that we are not in the middle of a string literal or a comment.
+        // We also want to check if the previous line holds a comment for a node on the next line
+        // if so, we do not want to separate the node from its comment if we can.
         if (!isInComment(sourceFile, startPosition) && !isInString(sourceFile, startPosition) && !isInTemplateString(sourceFile, startPosition)) {
             const token = getTouchingToken(sourceFile, startPosition);
-            const tokenLeadingCommnets = getLeadingCommentRangesOfNode(token, sourceFile)
+            const tokenLeadingCommnets = getLeadingCommentRangesOfNode(token, sourceFile);
             if (!tokenLeadingCommnets || !tokenLeadingCommnets.length || tokenLeadingCommnets[0].pos >= startPosition) {
                 return {
                     span: { start: startPosition, length: 0 },
                     newText: `// @ts-suppress${newLineCharacter}`
                 };
             }
         }
+
+        // If all fails, add an extra new line immediatlly before the error span.
         return {
             span: { start: position, length: 0 },
             newText: `${position === startPosition ? "" : newLineCharacter}// @ts-suppress${newLineCharacter}`