import { appendNode, assign, createElement, createText, detachNode, insertNode, noop, proto, setAttribute } from "svelte/shared.js";

var template = (function () {
	return {
		data: function () {
			return { foo: 42 }
		}
	};
}());

function encapsulateStyles ( node ) {
	setAttribute( node, 'svelte-3590263702', '' );
}

function add_css () {
	var style = createElement( 'style' );
	style.id = 'svelte-3590263702-style';
	style.textContent = "p[svelte-3590263702],[svelte-3590263702] p{color:red}";
	appendNode( style, document.head );
}

function create_main_fragment ( state, component ) {
	var p, text;

	return {
		create: function () {
			p = createElement( 'p' );
			text = createText( state.foo );
			this.hydrate();
		},

		hydrate: function ( nodes ) {
			encapsulateStyles( p );
		},

		mount: function ( target, anchor ) {
			insertNode( p, target, anchor );
			appendNode( text, p );
		},

		update: function ( changed, state ) {
			if ( changed.foo ) {
				text.data = state.foo;
			}
		},

		unmount: function () {
			detachNode( p );
		},

		destroy: noop
	};
}

function SvelteComponent ( options ) {
	options = options || {};
	this._state = assign( template.data(), 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;

	if ( !document.getElementById( 'svelte-3590263702-style' ) ) add_css();

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

	if ( options.target ) {
		this._fragment.create();
		this._fragment.mount( options.target, null );
	}
}

assign( SvelteComponent.prototype, proto );

export default SvelteComponent;