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

function create_main_fragment(state, component) {
	var div, text, div_1, div_1_style_value;

	return {
		create: function() {
			div = createElement( 'div' );
			text = createText("\n");
			div_1 = createElement( 'div' );
			this.hydrate();
		},

		hydrate: function(nodes) {
			div.style.cssText = state.style;
			div_1.style.cssText = div_1_style_value = "" + state.key + ": " + state.value;
		},

		mount: function(target, anchor) {
			insertNode( div, target, anchor );
			insertNode(text, target, anchor);
			insertNode( div_1, target, anchor );
		},

		update: function(changed, state) {
			if ( changed.style ) {
				div.style.cssText = state.style;
			}

			if ( (changed.key || changed.value) && div_1_style_value !== (div_1_style_value = "" + state.key + ": " + state.value) ) {
				div_1.style.cssText = div_1_style_value;
			}
		},

		unmount: function() {
			detachNode( div );
			detachNode(text);
			detachNode( div_1 );
		},

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

assign(SvelteComponent.prototype, proto );

export default SvelteComponent;