Initial commit of lib

Author: developit

src/index.js

@@ -0,0 +1,55 @@
+const NO_RENDER = { render: false };
+
+const ESC = {
+	'<': '&lt;',
+	'>': '&gt;',
+	'"': '&quot;',
+	'&': '&amp;'
+};
+
+const HOP = Object.prototype.hasOwnProperty;
+
+let escape = s => String(s).replace(/[<>"&]/, a => ESC[a] || a);
+
+export default function renderToString(vnode) {
+	let { nodeName, attributes, children } = vnode || EMPTY;
+
+	// #text nodes
+	if (!nodeName) {
+		return escape(vnode);
+	}
+
+	// components
+	if (typeof nodeName==='function') {
+		let props = { children },
+			rendered;
+		for (let i in attributes) if (HOP.call(attributes, i)) {
+			props[i] = attributes[i];
+		}
+
+		if (typeof nodeName.prototype.render!=='function') {
+			// stateless functional components
+			rendered = nodeName(props);
+		}
+		else {
+			// class-based components
+			let c = new nodeName();
+			c.setProps(props, NO_RENDER);
+			rendered = c.render(c.props = props, c.state);
+		}
+		return renderToString(rendered);
+	}
+
+	// render JSX to HTML
+	let s = `<${nodeName}`;
+	for (let name in attributes) if (HOP.call(attributes, name)) {
+		s += ` ${name}="${escape(attributes[name])}"`;
+	}
+	if (children && children.length) {
+		s += `>${children.map(renderToString).join('')}</${nodeName}>`;
+	}
+	else {
+		s += ' />';
+	}
+	return s;
+};