From 4c6b3b79da5a901b42cf5c25106d31dd0844040f Mon Sep 17 00:00:00 2001
From: Rich Harris <richard.a.harris@gmail.com>
Date: Sat, 10 Feb 2018 22:08:39 -0500
Subject: [PATCH] increase test coverage, handle immediately-closed blocks

---
 src/parse/state/mustache.ts                   |  2 +-
 .../samples/empty-block-dev/input.html        |  4 +++-
 .../samples/empty-block-dev/warnings.json     | 24 +++++++++++++------
 .../samples/empty-block-prod/input.html       |  4 +++-
 4 files changed, 24 insertions(+), 10 deletions(-)

diff --git a/src/parse/state/mustache.ts b/src/parse/state/mustache.ts
index 6e44f7c15e..0a255b1256 100644
--- a/src/parse/state/mustache.ts
+++ b/src/parse/state/mustache.ts
@@ -6,7 +6,7 @@ import { Parser } from '../index';
 import { Node } from '../../interfaces';
 
 function trimWhitespace(block: Node, trimBefore: boolean, trimAfter: boolean) {
-	if (!block.children) return; // AwaitBlock
+	if (!block.children || block.children.length === 0) return; // AwaitBlock
 
 	const firstChild = block.children[0];
 	const lastChild = block.children[block.children.length - 1];
diff --git a/test/validator/samples/empty-block-dev/input.html b/test/validator/samples/empty-block-dev/input.html
index 53e2ca8333..32b892d470 100644
--- a/test/validator/samples/empty-block-dev/input.html
+++ b/test/validator/samples/empty-block-dev/input.html
@@ -1,3 +1,5 @@
 {{#each things as thing}}
 
-{{/each}}
\ No newline at end of file
+{{/each}}
+
+{{#each things as thing}}{{/each}}
\ No newline at end of file
diff --git a/test/validator/samples/empty-block-dev/warnings.json b/test/validator/samples/empty-block-dev/warnings.json
index 6cbc567ada..54584bf135 100644
--- a/test/validator/samples/empty-block-dev/warnings.json
+++ b/test/validator/samples/empty-block-dev/warnings.json
@@ -1,8 +1,18 @@
-[{
-	"message": "Empty block",
-	"loc": {
-		"line": 1,
-		"column": 0
+[
+	{
+		"message": "Empty block",
+		"loc": {
+			"line": 1,
+			"column": 0
+		},
+		"pos": 0
 	},
-	"pos": 0
-}]
\ No newline at end of file
+	{
+		"message": "Empty block",
+		"loc": {
+			"line": 5,
+			"column": 0
+		},
+		"pos": 38
+	}
+]
\ No newline at end of file
diff --git a/test/validator/samples/empty-block-prod/input.html b/test/validator/samples/empty-block-prod/input.html
index 53e2ca8333..32b892d470 100644
--- a/test/validator/samples/empty-block-prod/input.html
+++ b/test/validator/samples/empty-block-prod/input.html
@@ -1,3 +1,5 @@
 {{#each things as thing}}
 
-{{/each}}
\ No newline at end of file
+{{/each}}
+
+{{#each things as thing}}{{/each}}
\ No newline at end of file