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 blankObject() { return Object.create(null); } function destroy(detach) { this.destroy = noop; this.fire('destroy'); this.set = this.get = noop; if (detach !== false) this._fragment.u(); this._fragment.d(); this._fragment = this._state = null; } function differs(a, b) { if (a == null || b == null) return a !== b; if (a.constructor !== b.constructor) return true; if (a.valueOf && b.valueOf) { a = a.valueOf(); b = b.valueOf(); } if (typeof a === 'number' && isNaN(a) && isNaN(b)) return false; return a !== b || 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 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 get(key) { return key ? this._state[key] : this._state; } function init(component, options) { component._observers = { pre: blankObject(), post: blankObject() }; component._handlers = blankObject(); component._bind = options._bind; component.options = options; component.root = options.root || component; component.store = component.root.store || options.store; } 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); 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.m(target, anchor); } 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 }; /* generated by Svelte vX.Y.Z */ function a(x) { return x * 2; } function b(x) { return x * 3; } function create_main_fragment(state, component) { return { c: noop, m: noop, p: noop, u: noop, d: noop }; } function SvelteComponent(options) { init(this, options); this._state = assign({}, options.data); this._recompute({ x: 1 }, this._state); this._fragment = create_main_fragment(this._state, this); if (options.target) { this._fragment.c(); this._fragment.m(options.target, options.anchor || null); } } assign(SvelteComponent.prototype, proto); SvelteComponent.prototype._recompute = function _recompute(changed, state) { if (changed.x) { if (differs(state.a, (state.a = a(state.x)))) changed.a = true; if (differs(state.b, (state.b = b(state.x)))) changed.b = true; } }; export default SvelteComponent;