From 1a99c515fffa93dc30050acc7866183997a93963 Mon Sep 17 00:00:00 2001
From: Rich Harris <richard.a.harris@gmail.com>
Date: Sat, 9 Sep 2017 10:20:05 -0400
Subject: [PATCH] add snapshot test for #830

---
 test/js/samples/legacy-quote-class/_config.js |   6 +
 .../legacy-quote-class/expected-bundle.js     | 251 ++++++++++++++++++
 .../js/samples/legacy-quote-class/expected.js |  65 +++++
 test/js/samples/legacy-quote-class/input.html |   1 +
 4 files changed, 323 insertions(+)
 create mode 100644 test/js/samples/legacy-quote-class/_config.js
 create mode 100644 test/js/samples/legacy-quote-class/expected-bundle.js
 create mode 100644 test/js/samples/legacy-quote-class/expected.js
 create mode 100644 test/js/samples/legacy-quote-class/input.html

diff --git a/test/js/samples/legacy-quote-class/_config.js b/test/js/samples/legacy-quote-class/_config.js
new file mode 100644
index 0000000000..838683ae37
--- /dev/null
+++ b/test/js/samples/legacy-quote-class/_config.js
@@ -0,0 +1,6 @@
+export default {
+	options: {
+		hydratable: true,
+		legacy: true
+	}
+};
\ No newline at end of file
diff --git a/test/js/samples/legacy-quote-class/expected-bundle.js b/test/js/samples/legacy-quote-class/expected-bundle.js
new file mode 100644
index 0000000000..b866859368
--- /dev/null
+++ b/test/js/samples/legacy-quote-class/expected-bundle.js
@@ -0,0 +1,251 @@
+function noop() {}
+
+function assign(target) {
+	var k,
+		source,
+		i = 1,
+		len = arguments.length;
+	for (; i < len; i++) {
+		source = arguments[i];
+		for (k in source) target[k] = source[k];
+	}
+
+	return target;
+}
+
+function insertNode(node, target, anchor) {
+	target.insertBefore(node, anchor);
+}
+
+function detachNode(node) {
+	node.parentNode.removeChild(node);
+}
+
+function createElement(name) {
+	return document.createElement(name);
+}
+
+function createSvgElement(name) {
+	return document.createElementNS('http://www.w3.org/2000/svg', name);
+}
+
+function children (element) {
+	return Array.from(element.childNodes);
+}
+
+function claimElement (nodes, name, attributes, svg) {
+	for (var i = 0; i < nodes.length; i += 1) {
+		var node = nodes[i];
+		if (node.nodeName === name) {
+			for (var j = 0; j < node.attributes.length; j += 1) {
+				var attribute = node.attributes[j];
+				if (!attributes[attribute.name]) node.removeAttribute(attribute.name);
+			}
+			return nodes.splice(i, 1)[0]; // TODO strip unwanted attributes
+		}
+	}
+
+	return svg ? createSvgElement(name) : createElement(name);
+}
+
+function destroy(detach) {
+	this.destroy = noop;
+	this.fire('destroy');
+	this.set = this.get = noop;
+
+	if (detach !== false) this._fragment.unmount();
+	this._fragment.destroy();
+	this._fragment = this._state = null;
+}
+
+function differs(a, b) {
+	return a !== b || ((a && typeof a === 'object') || typeof a === 'function');
+}
+
+function dispatchObservers(component, group, changed, newState, oldState) {
+	for (var key in group) {
+		if (!changed[key]) continue;
+
+		var newValue = newState[key];
+		var oldValue = oldState[key];
+
+		var callbacks = group[key];
+		if (!callbacks) continue;
+
+		for (var i = 0; i < callbacks.length; i += 1) {
+			var callback = callbacks[i];
+			if (callback.__calling) continue;
+
+			callback.__calling = true;
+			callback.call(component, newValue, oldValue);
+			callback.__calling = false;
+		}
+	}
+}
+
+function get(key) {
+	return key ? this._state[key] : this._state;
+}
+
+function fire(eventName, data) {
+	var handlers =
+		eventName in this._handlers && this._handlers[eventName].slice();
+	if (!handlers) return;
+
+	for (var i = 0; i < handlers.length; i += 1) {
+		handlers[i].call(this, data);
+	}
+}
+
+function observe(key, callback, options) {
+	var group = options && options.defer
+		? this._observers.post
+		: this._observers.pre;
+
+	(group[key] || (group[key] = [])).push(callback);
+
+	if (!options || options.init !== false) {
+		callback.__calling = true;
+		callback.call(this, this._state[key]);
+		callback.__calling = false;
+	}
+
+	return {
+		cancel: function() {
+			var index = group[key].indexOf(callback);
+			if (~index) group[key].splice(index, 1);
+		}
+	};
+}
+
+function on(eventName, handler) {
+	if (eventName === 'teardown') return this.on('destroy', handler);
+
+	var handlers = this._handlers[eventName] || (this._handlers[eventName] = []);
+	handlers.push(handler);
+
+	return {
+		cancel: function() {
+			var index = handlers.indexOf(handler);
+			if (~index) handlers.splice(index, 1);
+		}
+	};
+}
+
+function set(newState) {
+	this._set(assign({}, newState));
+	if (this._root._lock) return;
+	this._root._lock = true;
+	callAll(this._root._beforecreate);
+	callAll(this._root._oncreate);
+	callAll(this._root._aftercreate);
+	this._root._lock = false;
+}
+
+function _set(newState) {
+	var oldState = this._state,
+		changed = {},
+		dirty = false;
+
+	for (var key in newState) {
+		if (differs(newState[key], oldState[key])) changed[key] = dirty = true;
+	}
+	if (!dirty) return;
+
+	this._state = assign({}, oldState, newState);
+	this._recompute(changed, this._state, oldState, false);
+	if (this._bind) this._bind(changed, this._state);
+	dispatchObservers(this, this._observers.pre, changed, this._state, oldState);
+	this._fragment.update(changed, this._state);
+	dispatchObservers(this, this._observers.post, changed, this._state, oldState);
+}
+
+function callAll(fns) {
+	while (fns && fns.length) fns.pop()();
+}
+
+function _mount(target, anchor) {
+	this._fragment.mount(target, anchor);
+}
+
+function _unmount() {
+	this._fragment.unmount();
+}
+
+var proto = {
+	destroy: destroy,
+	get: get,
+	fire: fire,
+	observe: observe,
+	on: on,
+	set: set,
+	teardown: destroy,
+	_recompute: noop,
+	_set: _set,
+	_mount: _mount,
+	_unmount: _unmount
+};
+
+function create_main_fragment(state, component) {
+	var div;
+
+	return {
+		create: function() {
+			div = createElement("div");
+			this.hydrate();
+		},
+
+		claim: function(nodes) {
+			div = claimElement(nodes, "DIV", { "class": true }, false);
+			var div_nodes = children(div);
+
+			div_nodes.forEach(detachNode);
+			this.hydrate();
+		},
+
+		hydrate: function(nodes) {
+			div.className = "foo";
+		},
+
+		mount: function(target, anchor) {
+			insertNode(div, target, anchor);
+		},
+
+		update: noop,
+
+		unmount: function() {
+			detachNode(div);
+		},
+
+		destroy: noop
+	};
+}
+
+function SvelteComponent(options) {
+	this.options = options;
+	this._state = options.data || {};
+
+	this._observers = {
+		pre: Object.create(null),
+		post: Object.create(null)
+	};
+
+	this._handlers = Object.create(null);
+
+	this._root = options._root || this;
+	this._yield = options._yield;
+	this._bind = options._bind;
+
+	this._fragment = create_main_fragment(this._state, this);
+
+	if (options.target) {
+		var nodes = children(options.target);
+		options.hydrate ? this._fragment.claim(nodes) : this._fragment.create();
+		nodes.forEach(detachNode);
+		this._fragment.mount(options.target, options.anchor || null);
+	}
+}
+
+assign(SvelteComponent.prototype, proto );
+
+export default SvelteComponent;
diff --git a/test/js/samples/legacy-quote-class/expected.js b/test/js/samples/legacy-quote-class/expected.js
new file mode 100644
index 0000000000..e80d77479c
--- /dev/null
+++ b/test/js/samples/legacy-quote-class/expected.js
@@ -0,0 +1,65 @@
+import { assign, children, claimElement, createElement, detachNode, insertNode, noop, proto } from "svelte/shared.js";
+
+function create_main_fragment(state, component) {
+	var div;
+
+	return {
+		create: function() {
+			div = createElement("div");
+			this.hydrate();
+		},
+
+		claim: function(nodes) {
+			div = claimElement(nodes, "DIV", { "class": true }, false);
+			var div_nodes = children(div);
+
+			div_nodes.forEach(detachNode);
+			this.hydrate();
+		},
+
+		hydrate: function(nodes) {
+			div.className = "foo";
+		},
+
+		mount: function(target, anchor) {
+			insertNode(div, target, anchor);
+		},
+
+		update: noop,
+
+		unmount: function() {
+			detachNode(div);
+		},
+
+		destroy: noop
+	};
+}
+
+function SvelteComponent(options) {
+	this.options = options;
+	this._state = options.data || {};
+
+	this._observers = {
+		pre: Object.create(null),
+		post: Object.create(null)
+	};
+
+	this._handlers = Object.create(null);
+
+	this._root = options._root || this;
+	this._yield = options._yield;
+	this._bind = options._bind;
+
+	this._fragment = create_main_fragment(this._state, this);
+
+	if (options.target) {
+		var nodes = children(options.target);
+		options.hydrate ? this._fragment.claim(nodes) : this._fragment.create();
+		nodes.forEach(detachNode);
+		this._fragment.mount(options.target, options.anchor || null);
+	}
+}
+
+assign(SvelteComponent.prototype, proto );
+
+export default SvelteComponent;
\ No newline at end of file
diff --git a/test/js/samples/legacy-quote-class/input.html b/test/js/samples/legacy-quote-class/input.html
new file mode 100644
index 0000000000..c6a8a8c95d
--- /dev/null
+++ b/test/js/samples/legacy-quote-class/input.html
@@ -0,0 +1 @@
+<div class='foo'></div>
\ No newline at end of file