prewalk a function declaration

sokra · sokra · commit 619cf318eca3 · 2017-04-14T15:23:27.000+02:00
fixes webpack#4709
diff --git a/lib/Parser.js b/lib/Parser.js
@@ -637,10 +637,12 @@ class Parser extends Tapable {
 
 	walkFunctionDeclaration(statement) {
 		this.inScope(statement.params, function() {
-			if(statement.body.type === "BlockStatement")
+			if(statement.body.type === "BlockStatement") {
+				this.prewalkStatement(statement.body);
 				this.walkStatement(statement.body);
-			else
+			} else {
 				this.walkExpression(statement.body);
+			}
 		}.bind(this));
 	}
 
diff --git a/test/cases/parsing/issue-4709/index.js b/test/cases/parsing/issue-4709/index.js
@@ -0,0 +1,17 @@
+function getDirectiveRequire(directive) {
+	var require = directive.require || (directive.controller && directive.name);
+
+	if (!isArray(require) && isObject(require)) {
+		forEach(require, function(value, key) {
+			var match = value.match(REQUIRE_PREFIX_REGEXP);
+			var name = value.substring(match[0].length);
+			if (!name) require[key] = match[0] + key;
+		});
+	}
+
+	return require;
+}
+
+it("should parse these snippets successfully", function() {
+
+});
