get some SSR tests passing

src/compile/Component.ts

@@ -481,10 +481,6 @@ export default class Component {
 					this.userVars.add(specifier.local.name);
 					this.declarations.push(specifier.local.name); // TODO we don't really want this, but it's convenient for now
 				});
-
-				if (this.options.sveltePath && node.source.value === 'svelte') {
-					code.overwrite(node.source.start, node.source.end, this.options.sveltePath);
-				}
 			}
 		});
 	}

src/compile/nodes/Attribute.ts

@@ -75,7 +75,7 @@ export default class Attribute extends Node {
 		if (this.chunks.length === 1) {
 			return this.chunks[0].type === 'Text'
 				? stringify(this.chunks[0].data)
-				: this.chunks[0].snippet;
+				: this.chunks[0].render();
 		}
 
 		return (this.chunks[0].type === 'Text' ? '' : `"" + `) +
@@ -84,7 +84,7 @@ export default class Attribute extends Node {
 					if (chunk.type === 'Text') {
 						return stringify(chunk.data);
 					} else {
-						return chunk.getPrecedence() <= 13 ? `(${chunk.snippet})` : chunk.snippet;
+						return chunk.getPrecedence() <= 13 ? `(${chunk.render()})` : chunk.render();
 					}
 				})
 				.join(' + ');

src/compile/nodes/EventHandler.ts

@@ -7,7 +7,7 @@ export default class EventHandler extends Node {
 	name: string;
 	modifiers: Set<string>;
 	expression: Expression;
-	callee: any; // TODO
+	handler_name: string;
 
 	usesComponent: boolean;
 	usesContext: boolean;
@@ -25,9 +25,7 @@ export default class EventHandler extends Node {
 		this.modifiers = new Set(info.modifiers);
 
 		if (info.expression) {
-			this.expression = new Expression(component, this, template_scope, info.expression, true);
+			this.expression = new Expression(component, this, template_scope, info.expression);
-			this.snippet = this.expression.snippet;
-
 			this.usesContext = this.expression.usesContext;
 		} else {
 			component.init_uses_self = true;
@@ -41,10 +39,19 @@ export default class EventHandler extends Node {
 				}
 			`);
 
-			this.snippet = `ctx.${name}`;
+			this.handler_name = name;
+
+			Object.defineProperty(this, 'snippet', {
+				get: () => {
+					throw new Error('here');
+				}
+			});
 		}
+	}
 
-		// TODO figure out what to do about custom events
+	render() {
-		// this.isCustomEvent = component.events.has(this.name);
+		return this.expression
+			? this.expression.render()
+			: `ctx.${this.handler_name}`;
 	}
 }

src/compile/nodes/InlineComponent.ts

@@ -20,7 +20,7 @@ export default class InlineComponent extends Node {
 	constructor(component: Component, parent, scope, info) {
 		super(component, parent, scope, info);
 
-		if (info.name !== 'svelte:component') {
+		if (info.name !== 'svelte:component' && info.name !== 'svelte:self') {
 			component.warn_if_undefined(info, scope);
 			component.expectedProperties.add(info.name);
 		}

src/compile/nodes/shared/Expression.ts

@@ -2,13 +2,14 @@ import Component from '../../Component';
 import { walk } from 'estree-walker';
 import isReference from 'is-reference';
 import flattenReference from '../../../utils/flattenReference';
-import { createScopes } from '../../../utils/annotateWithScopes';
+import { createScopes, Scope } from '../../../utils/annotateWithScopes';
 import { Node } from '../../../interfaces';
 import addToSet from '../../../utils/addToSet';
 import globalWhitelist from '../../../utils/globalWhitelist';
 import deindent from '../../../utils/deindent';
 import Wrapper from '../../render-dom/wrappers/shared/Wrapper';
 import sanitize from '../../../utils/sanitize';
+import TemplateScope from './TemplateScope';
 
 const binaryOperators: Record<string, number> = {
 	'**': 15,
@@ -60,27 +61,43 @@ const precedence: Record<string, (node?: Node) => number> = {
 
 export default class Expression {
 	component: Component;
+	owner: Wrapper;
 	node: any;
 	snippet: string;
 	references: Set<string>;
 	dependencies: Set<string>;
 	contextual_dependencies: Set<string>;
 
+	template_scope: TemplateScope;
+	scope: Scope;
+	scope_map: WeakMap<Node, Scope>;
+
+	is_synthetic: boolean;
 	declarations: string[] = [];
 	usesContext = false;
 	usesEvent = false;
 
-	constructor(component: Component, owner: Wrapper, scope, info, isEventHandler?: boolean) {
+	rendered: string;
+
+	constructor(component: Component, owner: Wrapper, template_scope: TemplateScope, info) {
 		// TODO revert to direct property access in prod?
 		Object.defineProperties(this, {
 			component: {
 				value: component
+			},
+
+			// TODO remove this, is just for debugging
+			snippet: {
+				get: () => {
+					throw new Error(`cannot access expression.snippet, use expression.render() instead`)
+				}
 			}
 		});
 
 		this.node = info;
-
+		this.template_scope = template_scope;
-		this.snippet = `[✂${info.start}-${info.end}✂]`;
+		this.owner = owner;
+		this.is_synthetic = owner.isSynthetic;
 
 		const expression_dependencies = new Set();
 		const expression_contextual_dependencies = new Set();
@@ -88,48 +105,34 @@ export default class Expression {
 		let dependencies = expression_dependencies;
 		let contextual_dependencies = expression_contextual_dependencies;
 
-		const { declarations } = this;
+		let { map, scope } = createScopes(info);
-		const { code } = component;
+		this.scope = scope;
-
+		this.scope_map = map;
-		let { map, scope: currentScope } = createScopes(info);
 
 		const expression = this;
-		const isSynthetic = owner.isSynthetic;
-
-		let function_expression;
-		let pending_assignments = new Set();
 
+		// discover dependencies, but don't change the code yet
 		walk(info, {
 			enter(node: any, parent: any, key: string) {
 				// don't manipulate shorthand props twice
 				if (key === 'value' && parent.shorthand) return;
 
-				code.addSourcemapLocation(node.start);
-				code.addSourcemapLocation(node.end);
-
 				if (map.has(node)) {
-					currentScope = map.get(node);
+					scope = map.get(node);
 				}
 
 				if (isReference(node, parent)) {
-					const { name, nodes } = flattenReference(node);
+					const { name } = flattenReference(node);
 
-					if (currentScope.has(name)) return;
+					if (scope.has(name)) return;
 					if (globalWhitelist.has(name) && component.declarations.indexOf(name) === -1) return;
 
-					if (!isSynthetic && !function_expression) {
+					if (template_scope.names.has(name)) {
-						// <option> value attribute could be synthetic — avoid double editing
-						code.prependRight(node.start, key === 'key' && parent.shorthand
-							? `${name}: ctx.`
-							: 'ctx.');
-					}
-
-					if (scope.names.has(name)) {
 						expression.usesContext = true;
 
 						contextual_dependencies.add(name);
 
-						scope.dependenciesForName.get(name).forEach(dependency => {
+						template_scope.dependenciesForName.get(name).forEach(dependency => {
 							dependencies.add(dependency);
 						});
 					} else {
@@ -137,6 +140,93 @@ export default class Expression {
 						component.expectedProperties.add(name);
 					}
 
+					this.skip();
+				}
+
+				if (node.type === 'CallExpression') {
+					// TODO remove this? rely on reactive declarations?
+					if (node.callee.type === 'Identifier') {
+						const dependencies_for_invocation = component.findDependenciesForFunctionCall(node.callee.name);
+						if (dependencies_for_invocation) {
+							addToSet(dependencies, dependencies_for_invocation);
+						} else {
+							dependencies.add('$$BAIL$$');
+						}
+					} else {
+						dependencies.add('$$BAIL$$');
+					}
+				}
+			}
+		});
+
+		this.dependencies = dependencies;
+		this.contextual_dependencies = contextual_dependencies;
+	}
+
+	getPrecedence() {
+		return this.node.type in precedence ? precedence[this.node.type](this.node) : 0;
+	}
+
+	render() {
+		if (this.rendered) return this.rendered;
+
+		// <option> value attribute could be synthetic — avoid double editing
+		// TODO move this logic into Element?
+		if (this.is_synthetic) return;
+
+		const {
+			component,
+			declarations,
+			scope_map: map,
+			template_scope,
+			owner
+		} = this;
+		let scope = this.scope;
+
+		const { code } = component;
+
+		let function_expression;
+		let pending_assignments = new Set();
+
+		let dependencies: Set<string>;
+		let contextual_dependencies: Set<string>;
+
+		// rewrite code as appropriate
+		walk(this.node, {
+			enter(node: any, parent: any, key: string) {
+				// don't manipulate shorthand props twice
+				if (key === 'value' && parent.shorthand) return;
+
+				code.addSourcemapLocation(node.start);
+				code.addSourcemapLocation(node.end);
+
+				if (map.has(node)) {
+					scope = map.get(node);
+				}
+
+				if (isReference(node, parent)) {
+					const { name, nodes } = flattenReference(node);
+
+					if (scope.has(name)) return;
+					if (globalWhitelist.has(name) && component.declarations.indexOf(name) === -1) return;
+
+					if (function_expression) {
+						if (template_scope.names.has(name)) {
+							contextual_dependencies.add(name);
+
+							template_scope.dependenciesForName.get(name).forEach(dependency => {
+								dependencies.add(dependency);
+							});
+						} else {
+							dependencies.add(name);
+							component.expectedProperties.add(name);
+						}
+					} else {
+						code.prependRight(node.start, key === 'key' && parent.shorthand
+							? `${name}: ctx.`
+							: 'ctx.');
+					}
+
 					if (node.type === 'MemberExpression') {
 						nodes.forEach(node => {
 							code.addSourcemapLocation(node.start);
@@ -165,24 +255,11 @@ export default class Expression {
 						dependencies = new Set();
 						contextual_dependencies = new Set();
 					}
-
-					if (node.type === 'CallExpression') {
-						if (node.callee.type === 'Identifier') {
-							const dependencies_for_invocation = component.findDependenciesForFunctionCall(node.callee.name);
-							if (dependencies_for_invocation) {
-								addToSet(dependencies, dependencies_for_invocation);
-							} else {
-								dependencies.add('$$BAIL$$');
-							}
-						} else {
-							dependencies.add('$$BAIL$$');
-						}
-					}
 				}
 			},
 
 			leave(node: Node) {
-				if (map.has(node)) currentScope = currentScope.parent;
+				if (map.has(node)) scope = scope.parent;
 
 				if (node === function_expression) {
 					if (pending_assignments.size > 0) {
@@ -259,8 +336,8 @@ export default class Expression {
 					}
 
 					function_expression = null;
-					dependencies = expression_dependencies;
+					dependencies = null;
-					contextual_dependencies = expression_contextual_dependencies;
+					contextual_dependencies = null;
 				}
 
 				if (/Statement/.test(node.type)) {
@@ -284,12 +361,7 @@ export default class Expression {
 			}
 		});
 
-		this.dependencies = dependencies;
+		return this.rendered = `[✂${this.node.start}-${this.node.end}✂]`;
-		this.contextual_dependencies = contextual_dependencies;
-	}
-
-	getPrecedence() {
-		return this.node.type in precedence ? precedence[this.node.type](this.node) : 0;
 	}
 }
 

src/compile/render-dom/wrappers/AwaitBlock.ts

@@ -125,7 +125,7 @@ export default class AwaitBlockWrapper extends Wrapper {
 		const anchor = this.getOrCreateAnchor(block, parentNode, parentNodes);
 		const updateMountNode = this.getUpdateMountNode(anchor);
 
-		const { snippet } = this.node.expression;
+		const snippet = this.node.expression.render();
 
 		const info = block.getUniqueName(`info`);
 		const promise = block.getUniqueName(`promise`);

src/compile/render-dom/wrappers/Document.ts

@@ -8,12 +8,14 @@ export default class DocumentWrapper extends Wrapper {
 
 	render(block: Block, parentNode: string, parentNodes: string) {
 		this.node.handlers.forEach(handler => {
+			const snippet = handler.render();
+
 			block.builders.init.addBlock(deindent`
-				document.addEventListener("${handler.name}", ${handler.snippet});
+				document.addEventListener("${handler.name}", ${snippet});
 			`);
 
 			block.builders.destroy.addBlock(deindent`
-				document.removeEventListener("${handler.name}", ${handler.snippet});
+				document.removeEventListener("${handler.name}", ${snippet});
 			`);
 		});
 	}

src/compile/render-dom/wrappers/EachBlock.ts

@@ -177,7 +177,7 @@ export default class EachBlockWrapper extends Wrapper {
 		if (this.hasBinding) this.contextProps.push(`child_ctx.${this.vars.each_block_value} = list;`);
 		if (this.hasBinding || this.node.index) this.contextProps.push(`child_ctx.${this.indexName} = i;`);
 
-		const { snippet } = this.node.expression;
+		const snippet = this.node.expression.render();
 
 		block.builders.init.addLine(`var ${this.vars.each_block_value} = ${snippet};`);
 
@@ -299,7 +299,7 @@ export default class EachBlockWrapper extends Wrapper {
 		}
 
 		block.builders.init.addBlock(deindent`
-			const ${get_key} = ctx => ${this.node.key.snippet};
+			const ${get_key} = ctx => ${this.node.key.render()};
 
 			for (var #i = 0; #i < ${this.vars.each_block_value}.${length}; #i += 1) {
 				let child_ctx = ${this.vars.get_each_context}(ctx, ${this.vars.each_block_value}, #i);

src/compile/render-dom/wrappers/Element/Attribute.ts

@@ -78,7 +78,7 @@ export default class AttributeWrapper {
 			// DRY it out if that's possible without introducing crazy indirection
 			if (this.node.chunks.length === 1) {
 				// single {tag} — may be a non-string
-				value = this.node.chunks[0].snippet;
+				value = this.node.chunks[0].render();
 			} else {
 				// '{foo} {bar}' — treat as string concatenation
 				value =
@@ -89,8 +89,8 @@ export default class AttributeWrapper {
 								return stringify(chunk.data);
 							} else {
 								return chunk.getPrecedence() <= 13
-									? `(${chunk.snippet})`
+									? `(${chunk.render()})`
-									: chunk.snippet;
+									: chunk.render();
 							}
 						})
 						.join(' + ');
@@ -217,7 +217,7 @@ export default class AttributeWrapper {
 		return `="${value.map(chunk => {
 			return chunk.type === 'Text'
 				? chunk.data.replace(/"/g, '\\"')
-				: `\${${chunk.snippet}}`
+				: `\${${chunk.render()}}`
 		})}"`;
 	}
 }

src/compile/render-dom/wrappers/Element/Binding.ts

@@ -75,7 +75,7 @@ export default class BindingWrapper {
 
 		const { name } = getObject(this.node.expression.node);
 
-		const { snippet } = this.node.expression;
+		const snippet = this.node.expression.render();
 
 		// TODO unfortunate code is necessary because we need to use `ctx`
 		// inside the fragment, but not inside the <script>

src/compile/render-dom/wrappers/Element/StyleAttribute.ts

@@ -32,7 +32,8 @@ export default class StyleAttributeWrapper extends AttributeWrapper {
 							if (chunk.type === 'Text') {
 								return stringify(chunk.data);
 							} else {
-								const { dependencies, snippet } = chunk;
+								const { dependencies } = chunk;
+								const snippet = chunk.render();
 
 								dependencies.forEach(d => {
 									propDependencies.add(d);

src/compile/render-dom/wrappers/Element/index.ts

@@ -283,10 +283,6 @@ export default class ElementWrapper extends Wrapper {
 			});
 		}
 
-		let hasHoistedEventHandlerOrBinding = (
-			//(this.hasAncestor('EachBlock') && this.bindings.length > 0) ||
-			this.node.handlers.some(handler => handler.shouldHoist)
-		);
 		const eventHandlerOrBindingUsesComponent = (
 			this.bindings.length > 0 ||
 			this.node.handlers.some(handler => handler.usesComponent)
@@ -298,30 +294,8 @@ export default class ElementWrapper extends Wrapper {
 			this.node.actions.some(action => action.usesContext)
 		);
 
-		if (hasHoistedEventHandlerOrBinding) {
+		if (eventHandlerOrBindingUsesContext) {
-			const initialProps: string[] = [];
+			block.maintainContext = true;
-			const updates: string[] = [];
-
-			if (eventHandlerOrBindingUsesComponent) {
-				const component = block.alias('component');
-				initialProps.push(component === 'component' ? 'component' : `component: ${component}`);
-			}
-
-			if (eventHandlerOrBindingUsesContext) {
-				initialProps.push(`ctx`);
-				block.builders.update.addLine(`${node}._svelte.ctx = ctx;`);
-				block.maintainContext = true;
-			}
-
-			if (initialProps.length) {
-				block.builders.hydrate.addBlock(deindent`
-					${node}._svelte = { ${initialProps.join(', ')} };
-				`);
-			}
-		} else {
-			if (eventHandlerOrBindingUsesContext) {
-				block.maintainContext = true;
-			}
 		}
 
 		this.addBindings(block);
@@ -595,7 +569,8 @@ export default class ElementWrapper extends Wrapper {
 					: null;
 
 				if (attr.isSpread) {
-					const { snippet, dependencies } = attr.expression;
+					const { dependencies } = attr.expression;
+					const snippet = attr.expression.render();
 
 					initialProps.push(snippet);
 
@@ -659,7 +634,7 @@ export default class ElementWrapper extends Wrapper {
 		if (intro === outro) {
 			const name = block.getUniqueName(`${this.var}_transition`);
 			const snippet = intro.expression
-				? intro.expression.snippet
+				? intro.expression.render()
 				: '{}';
 
 			block.addVariable(name);
@@ -691,7 +666,7 @@ export default class ElementWrapper extends Wrapper {
 			if (intro) {
 				block.addVariable(introName);
 				const snippet = intro.expression
-					? intro.expression.snippet
+					? intro.expression.render()
 					: '{}';
 
 				const fn = `ctx.${intro.name}`; // TODO add built-in transitions?
@@ -714,7 +689,7 @@ export default class ElementWrapper extends Wrapper {
 			if (outro) {
 				block.addVariable(outroName);
 				const snippet = outro.expression
-					? outro.expression.snippet
+					? outro.expression.render()
 					: '{}';
 
 				const fn = `ctx.${outro.name}`;
@@ -753,7 +728,7 @@ export default class ElementWrapper extends Wrapper {
 			if (${animation}) ${animation}.stop();
 		`);
 
-		const params = this.node.animation.expression ? this.node.animation.expression.snippet : '{}';
+		const params = this.node.animation.expression ? this.node.animation.expression.render() : '{}';
 		block.builders.animate.addBlock(deindent`
 			if (${animation}) ${animation}.stop();
 			${animation} = @wrapAnimation(${this.var}, ${rect}, ctx.${this.node.animation.name}, ${params});
@@ -769,7 +744,7 @@ export default class ElementWrapper extends Wrapper {
 			const { expression, name } = classDir;
 			let snippet, dependencies;
 			if (expression) {
-				snippet = expression.snippet;
+				snippet = expression.render();
 				dependencies = expression.dependencies;
 			} else {
 				snippet = `${quotePropIfNecessary(name)}`;

src/compile/render-dom/wrappers/IfBlock.ts

@@ -32,7 +32,7 @@ class IfBlockBranch extends Wrapper {
 	) {
 		super(renderer, block, parent, node);
 
-		this.condition = (<IfBlock>node).expression && (<IfBlock>node).expression.snippet;
+		this.condition = (<IfBlock>node).expression && (<IfBlock>node).expression.render();
 
 		this.block = block.child({
 			comment: createDebuggingComment(node, parent.renderer.component),

src/compile/render-dom/wrappers/InlineComponent/index.ts

@@ -146,7 +146,7 @@ export default class InlineComponentWrapper extends Wrapper {
 						: null;
 
 					if (attr.isSpread) {
-						const value = attr.expression.snippet;
+						const value = attr.expression.render();
 						initialProps.push(value);
 
 						changes.push(condition ? `${condition} && ${value}` : value);
@@ -199,15 +199,17 @@ export default class InlineComponentWrapper extends Wrapper {
 			const updating = block.getUniqueName(`updating_${binding.name}`);
 			block.addVariable(updating);
 
+			const snippet = binding.expression.render();
+
 			statements.push(deindent`
-				if (${binding.expression.snippet} !== void 0) {
+				if (${snippet} !== void 0) {
-					${name_initial_data}${quotePropIfNecessary(binding.name)} = ${binding.expression.snippet};
+					${name_initial_data}${quotePropIfNecessary(binding.name)} = ${snippet};
 				}`
 			);
 
 			updates.push(deindent`
 				if (!${updating} && ${[...binding.expression.dependencies].map((dependency: string) => `changed.${dependency}`).join(' || ')}) {
-					${name_changes}${quotePropIfNecessary(binding.name)} = ${binding.expression.snippet};
+					${name_changes}${quotePropIfNecessary(binding.name)} = ${snippet};
 				}
 			`);
 
@@ -267,14 +269,14 @@ export default class InlineComponentWrapper extends Wrapper {
 				});
 			}
 
-			return `${name}.$on("${handler.name}", ${handler.snippet});`;
+			return `${name}.$on("${handler.name}", ${handler.render()});`;
 		});
 
 		if (this.node.name === 'svelte:component') {
 			const switch_value = block.getUniqueName('switch_value');
 			const switch_props = block.getUniqueName('switch_props');
 
-			const { snippet } = this.node.expression;
+			const snippet = this.node.expression.render();
 
 			block.builders.init.addBlock(deindent`
 				var ${switch_value} = ${snippet};

src/compile/render-dom/wrappers/Title.ts

@@ -47,7 +47,8 @@ export default class TitleWrapper extends Wrapper {
 							if (chunk.type === 'Text') {
 								return stringify(chunk.data);
 							} else {
-								const { dependencies, snippet } = chunk.expression;
+								const { dependencies } = chunk.expression;
+								const snippet = chunk.expression.render();
 
 								dependencies.forEach(d => {
 									allDependencies.add(d);

src/compile/render-dom/wrappers/shared/Tag.ts

@@ -1,7 +1,6 @@
 import Wrapper from './Wrapper';
 import Renderer from '../../Renderer';
 import Block from '../../Block';
-import Node from '../../../nodes/shared/Node';
 import MustacheTag from '../../../nodes/MustacheTag';
 import RawMustacheTag from '../../../nodes/RawMustacheTag';
 
@@ -19,7 +18,8 @@ export default class Tag extends Wrapper {
 		block: Block,
 		update: ((value: string) => string)
 	) {
-		const { snippet, dependencies } = this.node.expression;
+		const { dependencies } = this.node.expression;
+		const snippet = this.node.expression.render();
 
 		const value = this.node.shouldCache && block.getUniqueName(`${this.var}_value`);
 		const content = this.node.shouldCache ? value : snippet;

src/compile/render-dom/wrappers/shared/addActions.ts

@@ -11,7 +11,7 @@ export default function addActions(
 		const { expression } = action;
 		let snippet, dependencies;
 		if (expression) {
-			snippet = expression.snippet;
+			snippet = expression.render();
 			dependencies = expression.dependencies;
 
 			expression.declarations.forEach(declaration => {

src/compile/render-dom/wrappers/shared/addEventHandlers.ts

@@ -12,25 +12,28 @@ export default function addEventHandlers(
 		if (handler.modifiers.has('stopPropagation')) modifiers.push('event.stopPropagation();');
 
 		const opts = ['passive', 'once', 'capture'].filter(mod => handler.modifiers.has(mod));
+
+		const snippet = handler.render();
+
 		if (opts.length) {
 			const optString = (opts.length === 1 && opts[0] === 'capture')
 				? 'true'
 				: `{ ${opts.map(opt => `${opt}: true`).join(', ')} }`;
 
 			block.builders.hydrate.addLine(
-				`@addListener(${target}, "${handler.name}", ${handler.snippet}, ${optString});`
+				`@addListener(${target}, "${handler.name}", ${snippet}, ${optString});`
 			);
 
 			block.builders.destroy.addLine(
-				`@removeListener(${target}, "${handler.name}", ${handler.snippet}, ${optString});`
+				`@removeListener(${target}, "${handler.name}", ${snippet}, ${optString});`
 			);
 		} else {
 			block.builders.hydrate.addLine(
-				`@addListener(${target}, "${handler.name}", ${handler.snippet});`
+				`@addListener(${target}, "${handler.name}", ${snippet});`
 			);
 
 			block.builders.destroy.addLine(
-				`@removeListener(${target}, "${handler.name}", ${handler.snippet});`
+				`@removeListener(${target}, "${handler.name}", ${snippet});`
 			);
 		}
 

src/compile/render-ssr/handlers/AwaitBlock.ts

@@ -2,8 +2,6 @@ import Renderer from '../Renderer';
 import { CompileOptions } from '../../../interfaces';
 
 export default function(node, renderer: Renderer, options: CompileOptions) {
-	const { snippet } = node.expression;
-
 	renderer.append('${(function(__value) { if(@isPromise(__value)) return `');
 
 	renderer.render(node.pending.children, options);
@@ -12,5 +10,6 @@ export default function(node, renderer: Renderer, options: CompileOptions) {
 
 	renderer.render(node.then.children, options);
 
+	const snippet = node.expression.render();
 	renderer.append(`\`;}(Object.assign({}, ctx, { ${node.value}: __value }));}(${snippet})) }`);
 }

src/compile/render-ssr/handlers/EachBlock.ts

@@ -1,5 +1,5 @@
 export default function(node, renderer, options) {
-	const { snippet } = node.expression;
+	const snippet = node.expression.render();
 
 	const props = node.contexts.map(prop => `${prop.key.name}: item${prop.tail}`);
 

src/compile/render-ssr/handlers/Element.ts

@@ -60,7 +60,7 @@ export default function(node, renderer, options) {
 
 	const classExpr = node.classes.map((classDir: Class) => {
 		const { expression, name } = classDir;
-		const snippet = expression ? expression.snippet : `ctx${quotePropIfNecessary(name)}`;
+		const snippet = expression ? expression.render() : `ctx${quotePropIfNecessary(name)}`;
 		return `${snippet} ? "${name}" : ""`;
 	}).join(', ');
 
@@ -71,7 +71,7 @@ export default function(node, renderer, options) {
 		const args = [];
 		node.attributes.forEach(attribute => {
 			if (attribute.isSpread) {
-				args.push(attribute.expression.snippet);
+				args.push(attribute.expression.render());
 			} else {
 				if (attribute.name === 'value' && node.name === 'textarea') {
 					textareaContents = stringifyAttribute(attribute);
@@ -83,7 +83,7 @@ export default function(node, renderer, options) {
 					attribute.chunks[0].type !== 'Text'
 				) {
 					// a boolean attribute with one non-Text chunk
-					args.push(`{ ${quoteNameIfNecessary(attribute.name)}: ${attribute.chunks[0].snippet} }`);
+					args.push(`{ ${quoteNameIfNecessary(attribute.name)}: ${attribute.chunks[0].render()} }`);
 				} else {
 					args.push(`{ ${quoteNameIfNecessary(attribute.name)}: \`${stringifyAttribute(attribute)}\` }`);
 				}
@@ -105,13 +105,13 @@ export default function(node, renderer, options) {
 				attribute.chunks[0].type !== 'Text'
 			) {
 				// a boolean attribute with one non-Text chunk
-				openingTag += '${' + attribute.chunks[0].snippet + ' ? " ' + attribute.name + '" : "" }';
+				openingTag += '${' + attribute.chunks[0].render() + ' ? " ' + attribute.name + '" : "" }';
 			} else if (attribute.name === 'class' && classExpr) {
 				addClassAttribute = false;
 				openingTag += ` class="\${[\`${stringifyAttribute(attribute)}\`, ${classExpr}].join(' ').trim() }"`;
 			} else if (attribute.chunks.length === 1 && attribute.chunks[0].type !== 'Text') {
 				const { name } = attribute;
-				const { snippet } = attribute.chunks[0];
+				const snippet = attribute.chunks[0].render();
 
 				openingTag += '${(v => v == null ? "" : ` ' + name + '="${@escape(' + snippet + ')}"`)(' + snippet + ')}';
 			} else {
@@ -121,11 +121,12 @@ export default function(node, renderer, options) {
 	}
 
 	node.bindings.forEach(binding => {
-		const { name, expression: { snippet } } = binding;
+		const { name, expression } = binding;
 
 		if (name === 'group') {
 			// TODO server-render group bindings
 		} else {
+			const snippet = expression.render();
 			openingTag += ' ${(v => v ? ("' + name + '" + (v === true ? "" : "=" + JSON.stringify(v))) : "")(' + snippet + ')}';
 		}
 	});

src/compile/render-ssr/handlers/HtmlTag.ts

@@ -1,3 +1,3 @@
 export default function(node, renderer, options) {
-	renderer.append('${' + node.expression.snippet + '}');
+	renderer.append('${' + node.expression.render() + '}');
 }

src/compile/render-ssr/handlers/IfBlock.ts

@@ -1,5 +1,5 @@
 export default function(node, renderer, options) {
-	const { snippet } = node.expression;
+	const snippet = node.expression.render();
 
 	renderer.append('${ ' + snippet + ' ? `');
 

src/compile/render-ssr/handlers/InlineComponent.ts

@@ -12,7 +12,7 @@ export default function(node, renderer, options) {
 			return escapeTemplate(escape(chunk.data));
 		}
 
-		return '${@escape( ' + chunk.snippet + ')}';
+		return '${@escape( ' + chunk.render() + ')}';
 	}
 
 	const bindingProps = node.bindings.map(binding => {
@@ -34,7 +34,7 @@ export default function(node, renderer, options) {
 				return stringify(chunk.data);
 			}
 
-			return chunk.snippet;
+			return chunk.render();
 		}
 
 		return '`' + attribute.chunks.map(stringifyAttribute).join('') + '`';
@@ -47,7 +47,7 @@ export default function(node, renderer, options) {
 			node.attributes
 				.map(attribute => {
 					if (attribute.isSpread) {
-						return attribute.expression.snippet;
+						return attribute.expression.render();
 					} else {
 						return `{ ${quoteNameIfNecessary(attribute.name)}: ${getAttributeValue(attribute)} }`;
 					}
@@ -64,7 +64,7 @@ export default function(node, renderer, options) {
 		node.name === 'svelte:self'
 			? node.component.name
 			: node.name === 'svelte:component'
-				? `((${node.expression.snippet}) || @missingComponent)`
+				? `((${node.expression.render()}) || @missingComponent)`
 				: `ctx.${node.name}`
 	);
 
@@ -75,7 +75,7 @@ export default function(node, renderer, options) {
 		while (parent = parent.parent) {
 			if (parent.type === 'IfBlock') {
 				// TODO handle contextual bindings...
-				conditions.push(`(${parent.expression.snippet})`);
+				conditions.push(`(${parent.expression.render()})`);
 			}
 		}
 

src/compile/render-ssr/handlers/Tag.ts

@@ -1,9 +1,11 @@
 export default function(node, renderer, options) {
+	const snippet = node.expression.render();
+
 	renderer.append(
 		node.parent &&
 		node.parent.type === 'Element' &&
 		node.parent.name === 'style'
-			? '${' + node.expression.snippet + '}'
+			? '${' + snippet + '}'
-			: '${@escape(' + node.expression.snippet + ')}'
+			: '${@escape(' + snippet + ')}'
 	);
 }

test/helpers.js

@@ -191,7 +191,7 @@ export function showOutput(cwd, options = {}, compile = svelte.compile) {
 		);
 
 		console.log( // eslint-disable-line no-console
-			`\n>> ${colors.cyan().bold(file)}\n${addLineNumbers(js.code)}\n<< ${colors.cyan().bold(file)}`
+			`\n>> ${colors.cyan.bold(file)}\n${addLineNumbers(js.code)}\n<< ${colors.cyan.bold(file)}`
 		);
 	});
 }

test/runtime/index.js

@@ -25,14 +25,17 @@ function getName(filename) {
 	return base[0].toUpperCase() + base.slice(1);
 }
 
-describe("runtime", () => {
+const sveltePath = process.cwd();
+const internal = path.join(sveltePath, 'internal.js');
+
+describe.only("runtime", () => {
 	before(() => {
 		svelte = loadSvelte(false);
 		svelte$ = loadSvelte(true);
 
 		require.extensions[".html"] = function(module, filename) {
 			const options = Object.assign(
-				{ filename, name: getName(filename), format: 'cjs' },
+				{ filename, name: getName(filename), format: 'cjs', sveltePath },
 				compileOptions
 			);
 
@@ -48,7 +51,7 @@ describe("runtime", () => {
 
 	const failed = new Set();
 
-	function runTest(dir, internal, hydrate) {
+	function runTest(dir, hydrate) {
 		if (dir[0] === ".") return;
 
 		const { flush } = require(internal);
@@ -73,7 +76,7 @@ describe("runtime", () => {
 			global.document.title = '';
 
 			compileOptions = config.compileOptions || {};
-			compileOptions.shared = internal;
+			compileOptions.sveltePath = sveltePath;
 			compileOptions.hydratable = hydrate;
 			compileOptions.immutable = config.immutable;
 
@@ -211,10 +214,9 @@ describe("runtime", () => {
 		});
 	}
 
-	const internal = path.resolve("internal.js");
 	fs.readdirSync("test/runtime/samples").forEach(dir => {
-		runTest(dir, internal, false);
+		runTest(dir, false);
-		runTest(dir, internal, true);
+		runTest(dir, true);
 	});
 
 	async function create_component(src = '<div></div>') {

test/server-side-rendering/index.js

@@ -118,7 +118,7 @@ describe.only("ssr", () => {
 
 			try {
 				const Component = require(`../runtime/samples/${dir}/main.html`).default;
-				const { html } = Component.render(config.data, {
+				const { html } = Component.render(config.props, {
 					store: (config.store !== true) && config.store
 				});