fix toString method in SSR output - closes #1044

Author: Rich-Harris

src/generators/server-side-rendering/index.ts

@@ -124,7 +124,7 @@ export default function ssr(
 				head: result.head,
 				css: { code: cssCode, map: null },
 				toString() {
-					return result.html;
+					return html;
 				}
 			};
 		}

test/js/samples/ssr-no-oncreate-etc/expected-bundle.js

@@ -25,7 +25,7 @@ SvelteComponent.render = function(state, options = {}) {
 		head: result.head,
 		css: { code: cssCode, map: null },
 		toString() {
-			return result.html;
+			return html;
 		}
 	};
 };

test/js/samples/ssr-no-oncreate-etc/expected.js

@@ -27,7 +27,7 @@ SvelteComponent.render = function(state, options = {}) {
 		head: result.head,
 		css: { code: cssCode, map: null },
 		toString() {
-			return result.html;
+			return html;
 		}
 	};
 }

test/server-side-rendering/index.js

@@ -59,7 +59,11 @@ describe("ssr", () => {
 
 				const data = tryToLoadJson(`${dir}/data.json`);
 
-				const { html, css, head } = component.render(data);
+				const rendered = component.render(data);
+				const { html, css, head } = rendered;
+
+				// rendered.toString() === rendered.html
+				assert.equal(rendered, html);
 
 				fs.writeFileSync(`${dir}/_actual.html`, html);
 				if (css.code) fs.writeFileSync(`${dir}/_actual.css`, css.code);