Svelte with/without `customElement: true`

custom-element.js

var hw = (function () {
	'use strict';

	function noop() {}

	function assign(tar, src) {
		for (var k in src) tar[k] = src[k];
		return tar;
	}

	function appendNode(node, target) {
		target.appendChild(node);
	}

	function insertNode(node, target, anchor) {
		target.insertBefore(node, anchor);
	}

	function detachNode(node) {
		node.parentNode.removeChild(node);
	}

	function createElement(name) {
		return document.createElement(name);
	}

	function createText(data) {
		return document.createTextNode(data);
	}

	function blankObject() {
		return Object.create(null);
	}

	function destroy(detach) {
		this.destroy = noop;
		this.fire('destroy');
		this.set = noop;

		this._fragment.d(detach !== false);
		this._fragment = null;
		this._state = {};
	}

	function _differs(a, b) {
		return a != a ? b == b : a !== b || ((a && typeof a === 'object') || typeof a === 'function');
	}

	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) {
			var handler = handlers[i];

			if (!handler.__calling) {
				handler.__calling = true;
				handler.call(this, data);
				handler.__calling = false;
			}
		}
	}

	function get() {
		return this._state;
	}

	function init(component, options) {
		component._handlers = blankObject();
		component._bind = options._bind;

		component.options = options;
		component.root = options.root || component;
		component.store = options.store || component.root.store;
	}

	function on(eventName, 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 (this._differs(newState[key], oldState[key])) changed[key] = dirty = true;
		}
		if (!dirty) return;

		this._state = assign(assign({}, oldState), newState);
		this._recompute(changed, this._state);
		if (this._bind) this._bind(changed, this._state);

		if (this._fragment) {
			this.fire("state", { changed: changed, current: this._state, previous: oldState });
			this._fragment.p(changed, this._state);
			this.fire("update", { changed: changed, current: this._state, previous: oldState });
		}
	}

	function callAll(fns) {
		while (fns && fns.length) fns.shift()();
	}

	function _mount(target, anchor) {
		this._fragment[this._fragment.i ? 'i' : 'm'](target, anchor || null);
	}

	var proto = {
		destroy,
		get,
		fire,
		on,
		set,
		_recompute: noop,
		_set,
		_mount,
		_differs
	};

	/* src/hello-world.html generated by Svelte v2.8.0 */

	function data() {
		return { name: 'world' };
	}
	function create_main_fragment(component, ctx) {
		var h3, text, text_1;

		return {
			c() {
				h3 = createElement("h3");
				text = createText("Hello ");
				text_1 = createText(ctx.name);
				this.c = noop;
			},

			m(target, anchor) {
				insertNode(h3, target, anchor);
				appendNode(text, h3);
				appendNode(text_1, h3);
			},

			p(changed, ctx) {
				if (changed.name) {
					text_1.data = ctx.name;
				}
			},

			d(detach) {
				if (detach) {
					detachNode(h3);
				}
			}
		};
	}

	class Hello_world extends HTMLElement {
		constructor(options = {}) {
			super();
			init(this, options);
			this._state = assign(data(), options.data);
			this._intro = true;

			this.attachShadow({ mode: 'open' });

			this._fragment = create_main_fragment(this, this._state);

			this._fragment.c();
			this._fragment.m(this.shadowRoot, null);

			if (options.target) this._mount(options.target, options.anchor);
		}

		static get observedAttributes() {
			return ["name"];
		}

		get name() {
			return this.get().name;
		}

		set name(value) {
			this.set({ name: value });
		}

		attributeChangedCallback(attr, oldValue, newValue) {
			this.set({ [attr]: newValue });
		}
	}

	assign(Hello_world.prototype, proto);
	assign(Hello_world.prototype, {
		_mount(target, anchor) {
			target.insertBefore(this, anchor);
		}
	});

	customElements.define("hello-world", Hello_world);

	return Hello_world;

}());
//# sourceMappingURL=bundle.js.map

regular.js

var hw = (function () {
	'use strict';

	function noop() {}

	function assign(tar, src) {
		for (var k in src) tar[k] = src[k];
		return tar;
	}

	function appendNode(node, target) {
		target.appendChild(node);
	}

	function insertNode(node, target, anchor) {
		target.insertBefore(node, anchor);
	}

	function detachNode(node) {
		node.parentNode.removeChild(node);
	}

	function createElement(name) {
		return document.createElement(name);
	}

	function createText(data) {
		return document.createTextNode(data);
	}

	function blankObject() {
		return Object.create(null);
	}

	function destroy(detach) {
		this.destroy = noop;
		this.fire('destroy');
		this.set = noop;

		this._fragment.d(detach !== false);
		this._fragment = null;
		this._state = {};
	}

	function _differs(a, b) {
		return a != a ? b == b : a !== b || ((a && typeof a === 'object') || typeof a === 'function');
	}

	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) {
			var handler = handlers[i];

			if (!handler.__calling) {
				handler.__calling = true;
				handler.call(this, data);
				handler.__calling = false;
			}
		}
	}

	function get() {
		return this._state;
	}

	function init(component, options) {
		component._handlers = blankObject();
		component._bind = options._bind;

		component.options = options;
		component.root = options.root || component;
		component.store = options.store || component.root.store;
	}

	function on(eventName, 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 (this._differs(newState[key], oldState[key])) changed[key] = dirty = true;
		}
		if (!dirty) return;

		this._state = assign(assign({}, oldState), newState);
		this._recompute(changed, this._state);
		if (this._bind) this._bind(changed, this._state);

		if (this._fragment) {
			this.fire("state", { changed: changed, current: this._state, previous: oldState });
			this._fragment.p(changed, this._state);
			this.fire("update", { changed: changed, current: this._state, previous: oldState });
		}
	}

	function callAll(fns) {
		while (fns && fns.length) fns.shift()();
	}

	function _mount(target, anchor) {
		this._fragment[this._fragment.i ? 'i' : 'm'](target, anchor || null);
	}

	var proto = {
		destroy,
		get,
		fire,
		on,
		set,
		_recompute: noop,
		_set,
		_mount,
		_differs
	};

	/* src/hello-world.html generated by Svelte v2.8.0 */

	function data() {
		return { name: 'world' };
	}
	function create_main_fragment(component, ctx) {
		var h3, text, text_1;

		return {
			c() {
				h3 = createElement("h3");
				text = createText("Hello ");
				text_1 = createText(ctx.name);
			},

			m(target, anchor) {
				insertNode(h3, target, anchor);
				appendNode(text, h3);
				appendNode(text_1, h3);
			},

			p(changed, ctx) {
				if (changed.name) {
					text_1.data = ctx.name;
				}
			},

			d(detach) {
				if (detach) {
					detachNode(h3);
				}
			}
		};
	}

	function Hello_world(options) {
		init(this, options);
		this._state = assign(data(), options.data);
		this._intro = true;

		this._fragment = create_main_fragment(this, this._state);

		if (options.target) {
			this._fragment.c();
			this._mount(options.target, options.anchor);
		}
	}

	assign(Hello_world.prototype, proto);

	return Hello_world;

}());
//# sourceMappingURL=bundle.js.map