warn only for imported variable

src/compiler/compile/Component.ts

@@ -628,11 +628,13 @@ export default class Component {
 			}
 
 			const writable = node.type === 'VariableDeclaration' && (node.kind === 'var' || node.kind === 'let');
+			const imported = node.type.startsWith('Import');
 
 			this.add_var({
 				name,
 				initialised: instance_scope.initialised_declarations.has(name),
-				writable
+				writable,
+				imported
 			});
 
 			this.node_for_declaration.set(name, node);

src/compiler/compile/nodes/Element.ts

@@ -239,10 +239,10 @@ export default class Element extends Node {
 	}
 
 	validate() {
-		if (this.component.var_lookup.has(this.name) || this.scope.names.has(this.name)) {
+		if (this.component.var_lookup.has(this.name) && this.component.var_lookup.get(this.name).imported) {
 			this.component.warn(this, {
 				code: 'lowercase-component-name',
-				message: `A lowercase tag <${this.name}> will be treated as a regular HTML element`,
+				message: `A lowercase tag <${this.name}> will be treated as a regular HTML element`
 			});
 		}
 

src/compiler/interfaces.ts

@@ -161,6 +161,7 @@ export interface Var {
 	hoistable?: boolean;
 	subscribable?: boolean;
 	is_reactive_dependency?: boolean;
+	imported?: boolean;
 }
 
 export interface CssResult { 

test/validator/samples/component-name-lowercase-2/input.svelte

@@ -1,6 +0,0 @@
-<script>
-  let array;
-</script>
-{#each array as item}
-  <item />
-{/each}

test/validator/samples/component-name-lowercase-2/warnings.json

@@ -1,17 +0,0 @@
-[
-	{
-		"code": "lowercase-component-name",
-		"end": {
-			"character": 64,
-			"column": 10,
-			"line": 5
-		},
-		"message": "A lowercase tag <item> will be treated as a regular HTML element",
-		"pos": 56,
-		"start": {
-			"character": 56,
-			"column": 2,
-			"line": 5
-		}
-	}
-]

test/validator/samples/component-name-lowercase/input.svelte

@@ -1,5 +1,7 @@
 <script>
   import thisShouldWarnMe from './MyComponent.svelte';
+  let i;
 </script>
 
 <thisShouldWarnMe />
+<i />

test/validator/samples/component-name-lowercase/warnings.json

@@ -2,16 +2,16 @@
 	{
 		"code": "lowercase-component-name",
 		"message": "A lowercase tag <thisShouldWarnMe> will be treated as a regular HTML element",
-		"pos": 75,
+		"pos": 84,
-		"end": {
-			"character": 95,
-			"column": 20,
-			"line": 5
-		},
 		"start": {
-			"character": 75,
+			"character": 84,
 			"column": 0,
-			"line": 5
+			"line": 6
+		},
+		"end": {
+			"character": 104,
+			"column": 20,
+			"line": 6
 		}
 	}
 ]