microsoft/TypeScript
1
0
Fork 0
mirror of https://github.com/microsoft/TypeScript.git synced 2026-05-16 15:45:27 -05:00
Code Issues Packages Projects Releases 212 Wiki Activity

fixUnusedIdentifier: Remove unused writes (#24805)

Browse Source
This commit is contained in:
Andy
2018-06-08 15:20:33 -07:00
committed by GitHub
parent 96cd34ab26
commit e821d613a1
2 changed files with 34 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/services/codefixes/fixUnusedIdentifier.ts
View File

@@ -152,6 +152,7 @@ namespace ts.codefix {
switch (token.kind) {
case SyntaxKind.Identifier:
tryDeleteIdentifier(changes, sourceFile, <Identifier>token, deletedAncestors, checker, isFixAll);
deleteAssignments(changes, sourceFile, token as Identifier, checker);
break;
case SyntaxKind.PropertyDeclaration:
case SyntaxKind.NamespaceImport:
@@ -163,6 +164,15 @@ namespace ts.codefix {
}
}
function deleteAssignments(changes: textChanges.ChangeTracker, sourceFile: SourceFile, token: Identifier, checker: TypeChecker) {
FindAllReferences.Core.eachSymbolReferenceInFile(token, checker, sourceFile, (ref: Node) => {
if (ref.parent.kind === SyntaxKind.PropertyAccessExpression) ref = ref.parent;
if (ref.parent.kind === SyntaxKind.BinaryExpression && ref.parent.parent.kind === SyntaxKind.ExpressionStatement) {
changes.deleteNode(sourceFile, ref.parent.parent);
}
});
}
function tryDeleteDefault(changes: textChanges.ChangeTracker, sourceFile: SourceFile, token: Node, deletedAncestors: NodeSet | undefined): void {
if (isDeclarationName(token)) {
if (deletedAncestors) deletedAncestors.add(token.parent);