From 998d86a4e3adaddf8027a5fc56a375ac46d21f45 Mon Sep 17 00:00:00 2001
From: Rich Harris <richard.a.harris@gmail.com>
Date: Sun, 4 Nov 2018 16:32:41 -0500
Subject: [PATCH] expose stats.props

---
 src/Stats.ts                        |  3 +++
 src/compile/index.ts                |  2 +-
 test/stats/samples/props/_config.js |  5 +++++
 test/stats/samples/props/input.html | 23 +++++++++++++++++++++++
 4 files changed, 32 insertions(+), 1 deletion(-)
 create mode 100644 test/stats/samples/props/_config.js
 create mode 100644 test/stats/samples/props/input.html

diff --git a/src/Stats.ts b/src/Stats.ts
index b2e16a805c..091975974f 100644
--- a/src/Stats.ts
+++ b/src/Stats.ts
@@ -103,7 +103,10 @@ export default class Stats {
 			onupdate: !!component.templateProperties.onupdate
 		};
 
+		const computed = new Set(component.computations.map(c => c.key));
+
 		return {
+			props: Array.from(component.expectedProperties).filter(key => !computed.has(key)),
 			timings,
 			warnings: this.warnings,
 			imports,
diff --git a/src/compile/index.ts b/src/compile/index.ts
index e5a78379ea..59e204b816 100644
--- a/src/compile/index.ts
+++ b/src/compile/index.ts
@@ -82,7 +82,7 @@ export default function compile(source: string, options: CompileOptions = {}) {
 		stats.stop('create component');
 
 		if (options.generate === false) {
-			return { ast, stats: stats.render(null), js: null, css: null };
+			return { ast, stats: stats.render(component), js: null, css: null };
 		}
 
 		if (options.generate === 'ssr') {
diff --git a/test/stats/samples/props/_config.js b/test/stats/samples/props/_config.js
new file mode 100644
index 0000000000..4ab71fc6e2
--- /dev/null
+++ b/test/stats/samples/props/_config.js
@@ -0,0 +1,5 @@
+export default {
+	test(assert, stats) {
+		assert.deepEqual(stats.props.sort(), ['cats', 'foo', 'name']);
+	}
+};
\ No newline at end of file
diff --git a/test/stats/samples/props/input.html b/test/stats/samples/props/input.html
new file mode 100644
index 0000000000..e55b85e9ba
--- /dev/null
+++ b/test/stats/samples/props/input.html
@@ -0,0 +1,23 @@
+<h1>Hello {name}!</h1>
+
+<ul>
+	{#each cats as cat}
+		<li><a target="_blank" href={cat.video}>{cat.name}</a></li>
+	{/each}
+</ul>
+
+<p>bar: {bar}</p>
+
+<script>
+	export default {
+		data() {
+			return {
+				name: 'world'
+			};
+		},
+
+		computed: {
+			bar: ({ foo }) => foo * 2
+		}
+	};
+</script>
\ No newline at end of file