visitors can just be functions now

src/generators/dom/visitors/Component.js

@@ -168,13 +168,13 @@ export default {
 			key: null
 		});
 
-		this.elementDepth += 1;
+		generator.elementDepth += 1;
 
 		node.children.forEach( child => {
 			visit( child, generator );
 		});
 
-		this.elementDepth -= 1;
+		generator.elementDepth -= 1;
 
 		generator.pop();
 	}

src/generators/dom/visitors/Element.js

@@ -110,13 +110,13 @@ export default {
 			key: null
 		});
 
-		this.elementDepth += 1;
+		generator.elementDepth += 1;
 
 		node.children.forEach( child => {
 			visit( child, generator );
 		});
 
-		this.elementDepth -= 1;
+		generator.elementDepth -= 1;
 
 		if ( node.name in meta ) {
 			if ( meta[ node.name ].leave ) meta[ node.name ].leave( generator, node );

src/generators/server-side-rendering/visit.js

@@ -2,7 +2,5 @@ import visitors from './visitors/index.js';
 
 export default function visit ( node, generator ) {
 	const visitor = visitors[ node.type ];
-
+	visitor( generator, node );
-	if ( visitor.enter ) visitor.enter( generator, node );
-	if ( visitor.leave ) visitor.leave( generator, node );
 }

src/generators/server-side-rendering/visitors/Comment.js

@@ -1,3 +1,3 @@
-export default {
+export default function visitComment () {
 	// do nothing
-};
+}

src/generators/server-side-rendering/visitors/Component.js

@@ -1,8 +1,7 @@
 import flattenReference from '../../../utils/flattenReference.js';
 import visit from '../visit.js';
 
-export default {
+export default function visitComponent ( generator, node ) {
-	enter ( generator, node ) {
 	function stringify ( chunk ) {
 		if ( chunk.type === 'Text' ) return chunk.data;
 		if ( chunk.type === 'MustacheTag' ) {
@@ -65,15 +64,14 @@ export default {
 
 	generator.append( open );
 
-		this.elementDepth += 1;
+	generator.elementDepth += 1;
 
 	node.children.forEach( child => {
 		visit( child, generator );
 	});
 
-		this.elementDepth -= 1;
+	generator.elementDepth -= 1;
 
 	const close = node.children.length ? `\` })}` : ')}';
 	generator.append( close );
 }
-};

src/generators/server-side-rendering/visitors/EachBlock.js

@@ -1,7 +1,6 @@
 import visit from '../visit.js';
 
-export default {
+export default function visitEachBlock ( generator, node ) {
-	enter ( generator, node ) {
 	const { dependencies, snippet } = generator.contextualise( node.expression );
 
 	const open = `\${ ${snippet}.map( ${ node.index ? `( ${node.context}, ${node.index} )` : node.context} => \``;
@@ -33,4 +32,3 @@ export default {
 
 	generator.pop();
 }
-};

src/generators/server-side-rendering/visitors/Element.js

@@ -1,20 +1,19 @@
-import Component from './Component.js';
+import visitComponent from './Component.js';
 import isVoidElementName from '../../../utils/isVoidElementName.js';
 import visit from '../visit.js';
-import Window from './meta/Window.js';
+import visitWindow from './meta/Window.js';
 
 const meta = {
-	':Window': Window
+	':Window': visitWindow
 };
 
-export default {
+export default function visitElement ( generator, node ) {
-	enter ( generator, node ) {
 	if ( node.name in meta ) {
-			return meta[ node.name ].enter( generator, node );
+		return meta[ node.name ]( generator, node );
 	}
 
 	if ( generator.components.has( node.name ) || node.name === ':Self' ) {
-			Component.enter( generator, node );
+		visitComponent( generator, node );
 		return;
 	}
 
@@ -47,26 +46,15 @@ export default {
 
 	generator.append( openingTag );
 
-		this.elementDepth += 1;
+	generator.elementDepth += 1;
 
 	node.children.forEach( child => {
 		visit( child, generator );
 	});
 
-		this.elementDepth -= 1;
+	generator.elementDepth -= 1;
-
-		if ( node.name in meta ) {
-			if ( meta[ node.name ].leave ) meta[ node.name ].leave( generator, node );
-			return;
-		}
-
-		if ( generator.components.has( node.name ) || node.name === ':Self' ) {
-			Component.leave( generator, node );
-			return;
-		}
 
 	if ( !isVoidElementName( node.name ) ) {
 		generator.append( `</${node.name}>` );
 	}
 }
-};

src/generators/server-side-rendering/visitors/IfBlock.js

@@ -1,7 +1,6 @@
 import visit from '../visit.js';
 
-export default {
+export default function visitIfBlock ( generator, node ) {
-	enter ( generator, node ) {
 	const { snippet } = generator.contextualise( node.expression );
 
 	generator.append( '${ ' + snippet + ' ? `' );
@@ -26,4 +25,3 @@ export default {
 
 	generator.pop();
 }
-};

src/generators/server-side-rendering/visitors/MustacheTag.js

@@ -1,6 +1,4 @@
-export default {
+export default function visitMustacheTag ( generator, node ) {
-	enter ( generator, node ) {
 	const { snippet } = generator.contextualise( node.expression );
 	generator.append( '${__escape( ' + snippet + ' )}' );
 }
-};

src/generators/server-side-rendering/visitors/RawMustacheTag.js

@@ -1,6 +1,4 @@
-export default {
+export default function visitRawMustacheTag ( generator, node ) {
-	enter ( generator, node ) {
 	const { snippet } = generator.contextualise( node.expression );
 	generator.append( '${' + snippet + '}' );
 }
-};

src/generators/server-side-rendering/visitors/Text.js

@@ -1,5 +1,3 @@
-export default {
+export default function visitText ( generator, node ) {
-	enter ( generator, node ) {
 	generator.append( node.data.replace( /\${/g, '\\${' ) );
 }
-};

src/generators/server-side-rendering/visitors/YieldTag.js

@@ -1,5 +1,3 @@
-export default {
+export default function visitYieldTag ( generator ) {
-	enter ( generator ) {
 	generator.append( `\${options && options.yield ? options.yield() : ''}` );
 }
-};

src/generators/server-side-rendering/visitors/meta/Window.js

@@ -1,9 +1,3 @@
-export default {
+export default function visitWindow () {
-	enter () {
-		// noop
-	},
-
-	leave () {
 	// noop
 }
-};