From f6060ed0dd37d0ca40c3e2f1401a59774c5547eb Mon Sep 17 00:00:00 2001
From: daszgfz <dasZGFz@protonmail.com>
Date: Tue, 26 Nov 2019 21:02:29 -0500
Subject: [PATCH] more aliased stuff

---
 src/compiler/compile/Component.ts             |  5 +++++
 test/js/samples/aliased-function/expected.js  | 21 +++++++++++++++++++
 test/js/samples/aliased-function/input.svelte |  5 +++++
 3 files changed, 31 insertions(+)
 create mode 100644 test/js/samples/aliased-function/expected.js
 create mode 100644 test/js/samples/aliased-function/input.svelte

diff --git a/src/compiler/compile/Component.ts b/src/compiler/compile/Component.ts
index 53b66ce024..9f608bec8c 100644
--- a/src/compiler/compile/Component.ts
+++ b/src/compiler/compile/Component.ts
@@ -796,6 +796,11 @@ export default class Component {
 					scope = map.get(node);
 				}
 
+				if (node.type === 'VariableDeclarator' && node.id.type === 'Identifier' && node.init.type === 'Identifier') {
+					const variable = component.var_lookup.get(node.init.name);
+					variable.aliased = true;
+				}
+
 				if (node.type === 'ExpressionStatement' && node.expression.type === 'CallExpression') {
 					node.expression.arguments.forEach(arg => {
 						if (arg.type === 'Identifier') {
diff --git a/test/js/samples/aliased-function/expected.js b/test/js/samples/aliased-function/expected.js
new file mode 100644
index 0000000000..55ddc9bda5
--- /dev/null
+++ b/test/js/samples/aliased-function/expected.js
@@ -0,0 +1,21 @@
+/* generated by Svelte vX.Y.Z */
+import { SvelteComponent, init, safe_not_equal } from "svelte/internal";
+
+function instance($$self) {
+	function foo() {
+		
+	}
+
+	const foo_alias = foo;
+	foo_alias.nasty_but_legal();
+	return [];
+}
+
+class Component extends SvelteComponent {
+	constructor(options) {
+		super();
+		init(this, options, instance, null, safe_not_equal, {});
+	}
+}
+
+export default Component;
\ No newline at end of file
diff --git a/test/js/samples/aliased-function/input.svelte b/test/js/samples/aliased-function/input.svelte
new file mode 100644
index 0000000000..ffd1eea803
--- /dev/null
+++ b/test/js/samples/aliased-function/input.svelte
@@ -0,0 +1,5 @@
+<script>
+	function foo() {}
+	const foo_alias = foo;
+	foo_alias.nasty_but_legal();
+</script>
\ No newline at end of file