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function noop() {}
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function assign(tar, src) {
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for (var k in src) tar[k] = src[k];
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return tar;
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}
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function insertNode(node, target, anchor) {
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target.insertBefore(node, anchor);
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}
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function detachNode(node) {
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node.parentNode.removeChild(node);
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}
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function createElement(name) {
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return document.createElement(name);
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}
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function setStyle(node, key, value) {
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node.style.setProperty(key, value);
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}
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function blankObject() {
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return Object.create(null);
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}
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function destroy(detach) {
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this.destroy = noop;
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this.fire('destroy');
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this.set = this.get = noop;
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if (detach !== false) this._fragment.u();
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this._fragment.d();
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this._fragment = this._state = null;
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}
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function _differs(a, b) {
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return a != a ? b == b : a !== b || ((a && typeof a === 'object') || typeof a === 'function');
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}
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function dispatchObservers(component, group, changed, newState, oldState) {
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for (var key in group) {
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if (!changed[key]) continue;
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var newValue = newState[key];
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var oldValue = oldState[key];
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var callbacks = group[key];
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if (!callbacks) continue;
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for (var i = 0; i < callbacks.length; i += 1) {
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var callback = callbacks[i];
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if (callback.__calling) continue;
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callback.__calling = true;
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callback.call(component, newValue, oldValue);
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callback.__calling = false;
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}
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}
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}
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function fire(eventName, data) {
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var handlers =
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eventName in this._handlers && this._handlers[eventName].slice();
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if (!handlers) return;
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for (var i = 0; i < handlers.length; i += 1) {
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handlers[i].call(this, data);
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}
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}
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function get(key) {
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return key ? this._state[key] : this._state;
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}
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function init(component, options) {
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component._observers = { pre: blankObject(), post: blankObject() };
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component._handlers = blankObject();
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component._bind = options._bind;
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component.options = options;
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component.root = options.root || component;
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component.store = component.root.store || options.store;
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}
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function observe(key, callback, options) {
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var group = options && options.defer
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? this._observers.post
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: this._observers.pre;
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(group[key] || (group[key] = [])).push(callback);
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if (!options || options.init !== false) {
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callback.__calling = true;
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callback.call(this, this._state[key]);
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callback.__calling = false;
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}
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return {
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cancel: function() {
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var index = group[key].indexOf(callback);
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if (~index) group[key].splice(index, 1);
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}
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};
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}
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function on(eventName, handler) {
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|
if (eventName === 'teardown') return this.on('destroy', handler);
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|
var handlers = this._handlers[eventName] || (this._handlers[eventName] = []);
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|
handlers.push(handler);
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|
return {
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|
cancel: function() {
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|
var index = handlers.indexOf(handler);
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|
|
if (~index) handlers.splice(index, 1);
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|
}
|
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|
};
|
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|
}
|
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|
function set(newState) {
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|
this._set(assign({}, newState));
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|
|
if (this.root._lock) return;
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|
this.root._lock = true;
|
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|
|
callAll(this.root._beforecreate);
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|
callAll(this.root._oncreate);
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|
|
callAll(this.root._aftercreate);
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|
|
this.root._lock = false;
|
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|
|
}
|
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|
function _set(newState) {
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|
var oldState = this._state,
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|
changed = {},
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|
|
dirty = false;
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|
|
for (var key in newState) {
|
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|
|
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) {
|
|
|
|
dispatchObservers(this, this._observers.pre, changed, this._state, oldState);
|
|
|
|
this._fragment.p(changed, this._state);
|
|
|
|
dispatchObservers(this, this._observers.post, changed, this._state, oldState);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
function callAll(fns) {
|
|
|
|
while (fns && fns.length) fns.shift()();
|
|
|
|
}
|
|
|
|
|
|
|
|
function _mount(target, anchor) {
|
|
|
|
this._fragment[this._fragment.i ? 'i' : 'm'](target, anchor || null);
|
|
|
|
}
|
|
|
|
|
|
|
|
function _unmount() {
|
|
|
|
if (this._fragment) this._fragment.u();
|
|
|
|
}
|
|
|
|
|
|
|
|
var proto = {
|
|
|
|
destroy: destroy,
|
|
|
|
get: get,
|
|
|
|
fire: fire,
|
|
|
|
observe: observe,
|
|
|
|
on: on,
|
|
|
|
set: set,
|
|
|
|
teardown: destroy,
|
|
|
|
_recompute: noop,
|
|
|
|
_set: _set,
|
|
|
|
_mount: _mount,
|
|
|
|
_unmount: _unmount,
|
|
|
|
_differs: _differs
|
|
|
|
};
|
|
|
|
|
|
|
|
/* generated by Svelte vX.Y.Z */
|
|
|
|
|
|
|
|
function create_main_fragment(component, state) {
|
|
|
|
var div;
|
|
|
|
|
|
|
|
return {
|
|
|
|
c: function create() {
|
|
|
|
div = createElement("div");
|
|
|
|
this.h();
|
|
|
|
},
|
|
|
|
|
|
|
|
h: function hydrate() {
|
|
|
|
setStyle(div, "background", "url(data:image/png;base64," + state.data + ")");
|
|
|
|
},
|
|
|
|
|
|
|
|
m: function mount(target, anchor) {
|
|
|
|
insertNode(div, target, anchor);
|
|
|
|
},
|
|
|
|
|
|
|
|
p: function update(changed, state) {
|
|
|
|
if (changed.data) {
|
|
|
|
setStyle(div, "background", "url(data:image/png;base64," + state.data + ")");
|
|
|
|
}
|
|
|
|
},
|
|
|
|
|
|
|
|
u: function unmount() {
|
|
|
|
detachNode(div);
|
|
|
|
},
|
|
|
|
|
|
|
|
d: noop
|
|
|
|
};
|
|
|
|
}
|
|
|
|
|
|
|
|
function SvelteComponent(options) {
|
|
|
|
init(this, options);
|
|
|
|
this._state = assign({}, options.data);
|
|
|
|
|
|
|
|
this._fragment = create_main_fragment(this, this._state);
|
|
|
|
|
|
|
|
if (options.target) {
|
|
|
|
this._fragment.c();
|
|
|
|
this._mount(options.target, options.anchor);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
assign(SvelteComponent.prototype, proto);
|
|
|
|
|
|
|
|
export default SvelteComponent;
|