From 726776986d837504aad2728219e7a46cfe8d6c2a Mon Sep 17 00:00:00 2001
From: Lochlan Bunn <bunn@lochlan.io>
Date: Wed, 18 Dec 2019 23:40:11 +0000
Subject: [PATCH] Fix support for default context value

Issue here was that the mangled "_defaultValue" prop wasn't being used.
---
 src/index.js    |  4 ++--
 test/context.js | 17 +++++++++++++++++
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/src/index.js b/src/index.js
index 6b864c09..dfa9ddb3 100644
--- a/src/index.js
+++ b/src/index.js
@@ -86,7 +86,7 @@ function renderToString(vnode, context, opts, inner, isSvgMode, selectValue) {
 				// the context value as `this.context` just for this component.
 				let cxType = nodeName.contextType;
 				let provider = cxType && context[cxType.__c];
-				let cctx = cxType != null ? (provider ? provider.props.value : cxType._defaultValue) : context;
+				let cctx = cxType != null ? (provider ? provider.props.value : cxType.__) : context;
 
 				// stateless functional components
 				rendered = nodeName.call(vnode.__c, props, cctx);
@@ -95,7 +95,7 @@ function renderToString(vnode, context, opts, inner, isSvgMode, selectValue) {
 				// class-based components
 				let cxType = nodeName.contextType;
 				let provider = cxType && context[cxType.__c];
-				let cctx = cxType != null ? (provider ? provider.props.value : cxType._defaultValue) : context;
+				let cctx = cxType != null ? (provider ? provider.props.value : cxType.__) : context;
 
 				// c = new nodeName(props, context);
 				c = vnode.__c = new nodeName(props, cctx);
diff --git a/test/context.js b/test/context.js
index 026911f2..50cac60c 100644
--- a/test/context.js
+++ b/test/context.js
@@ -96,4 +96,21 @@ describe('context', () => {
 			<section>value is: </section>
 		`);
 	});
+
+	it('should support default context value with absent provider', () => {
+		const { Consumer } = createContext('correct');
+		let rendered = renderJsx(
+			<Consumer>
+				{(value) => (
+					<section>
+						value is: {value}
+					</section>
+				)}
+			</Consumer>
+		);
+
+		expect(rendered).to.equal(dedent`
+			<section>value is: correct</section>
+		`);
+	});
 });