Handel type aliases

mhegazy · mhegazy · commit 97aa9879784c · 2016-06-29T14:07:55.000-07:00
diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
@@ -14546,15 +14546,15 @@ namespace ts {
                 for (const key in node.locals) {
                     if (hasProperty(node.locals, key)) {
                         const local = node.locals[key];
-                        if (!local.hasReference && local.valueDeclaration) {
-                            if (local.valueDeclaration.kind !== SyntaxKind.Parameter && compilerOptions.noUnusedLocals) {
-                                error(local.valueDeclaration.name, Diagnostics._0_is_declared_but_never_used, local.name);
-                            }
-                            else if (local.valueDeclaration.kind === SyntaxKind.Parameter && compilerOptions.noUnusedParameters) {
-                                if (!isParameterPropertyDeclaration(<ParameterDeclaration>local.valueDeclaration)) {
+                        if (!local.hasReference) {
+                            if (local.valueDeclaration && local.valueDeclaration.kind === SyntaxKind.Parameter) {
+                                if (compilerOptions.noUnusedParameters && !isParameterPropertyDeclaration(<ParameterDeclaration>local.valueDeclaration)) {
                                     error(local.valueDeclaration.name, Diagnostics._0_is_declared_but_never_used, local.name);
                                 }
                             }
+                            else if (compilerOptions.noUnusedLocals) {
+                                forEach(local.declarations, d => error(d.name || d, Diagnostics._0_is_declared_but_never_used, local.name));
+                            }
                         }
                     }
                 }

Original file line number	Diff line number	Diff line change
`@@ -14546,15 +14546,15 @@ namespace ts {`
`14546`	`14546`	`for (const key in node.locals) {`
`14547`	`14547`	`if (hasProperty(node.locals, key)) {`
`14548`	`14548`	`const local = node.locals[key];`
`14549`		`- if (!local.hasReference && local.valueDeclaration) {`
`14550`		`- if (local.valueDeclaration.kind !== SyntaxKind.Parameter && compilerOptions.noUnusedLocals) {`
`14551`		`- error(local.valueDeclaration.name, Diagnostics._0_is_declared_but_never_used, local.name);`
`14552`		`- }`
`14553`		`- else if (local.valueDeclaration.kind === SyntaxKind.Parameter && compilerOptions.noUnusedParameters) {`
`14554`		`- if (!isParameterPropertyDeclaration(<ParameterDeclaration>local.valueDeclaration)) {`
	`14549`	`+ if (!local.hasReference) {`
	`14550`	`+ if (local.valueDeclaration && local.valueDeclaration.kind === SyntaxKind.Parameter) {`
	`14551`	`+ if (compilerOptions.noUnusedParameters && !isParameterPropertyDeclaration(<ParameterDeclaration>local.valueDeclaration)) {`
`14555`	`14552`	`error(local.valueDeclaration.name, Diagnostics._0_is_declared_but_never_used, local.name);`
`14556`	`14553`	`}`
`14557`	`14554`	`}`
	`14555`	`+ else if (compilerOptions.noUnusedLocals) {`
	`14556`	`+ forEach(local.declarations, d => error(d.name \|\| d, Diagnostics._0_is_declared_but_never_used, local.name));`
	`14557`	`+ }`
`14558`	`14558`	`}`
`14559`	`14559`	`}`
`14560`	`14560`	`}`