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import _mergeJSXProps from 'babel-helper-vue-jsx-merge-props';
import _extends from 'babel-runtime/helpers/extends';
import shallowEqual from 'shallowequal';
import omit from 'omit.js';
import { getOptionProps } from '../props-util';
import PropTypes from '../vue-types';
import proxyComponent from '../proxyComponent';
function getDisplayName(WrappedComponent) {
return WrappedComponent.name || 'Component';
}
var defaultMapStateToProps = function defaultMapStateToProps() {
return {};
};
export default function connect(mapStateToProps) {
var shouldSubscribe = !!mapStateToProps;
var finnalMapStateToProps = mapStateToProps || defaultMapStateToProps;
return function wrapWithConnect(WrappedComponent) {
var tempProps = omit(WrappedComponent.props || {}, ['store']);
var props = {
__propsSymbol__: PropTypes.any
};
Object.keys(tempProps).forEach(function (k) {
props[k] = _extends({}, k, { required: false });
});
var Connect = {
name: 'Connect_' + getDisplayName(WrappedComponent),
props: props,
inject: {
storeContext: { 'default': function _default() {
return {};
} }
},
data: function data() {
this.store = this.storeContext.store;
this.preProps = omit(getOptionProps(this), ['__propsSymbol__']);
return {
subscribed: finnalMapStateToProps(this.store.getState(), this.$props)
};
},
watch: {
__propsSymbol__: function __propsSymbol__() {
if (mapStateToProps && mapStateToProps.length === 2) {
this.subscribed = finnalMapStateToProps(this.store.getState(), this.$props);
}
}
},
mounted: function mounted() {
this.trySubscribe();
},
beforeDestroy: function beforeDestroy() {
this.tryUnsubscribe();
},
methods: {
handleChange: function handleChange() {
if (!this.unsubscribe) {
return;
}
var props = omit(getOptionProps(this), ['__propsSymbol__']);
var nextSubscribed = finnalMapStateToProps(this.store.getState(), props);
if (!shallowEqual(this.preProps, props) || !shallowEqual(this.subscribed, nextSubscribed)) {
this.subscribed = nextSubscribed;
}
},
trySubscribe: function trySubscribe() {
if (shouldSubscribe) {
this.unsubscribe = this.store.subscribe(this.handleChange);
this.handleChange();
}
},
tryUnsubscribe: function tryUnsubscribe() {
if (this.unsubscribe) {
this.unsubscribe();
this.unsubscribe = null;
}
},
getWrappedInstance: function getWrappedInstance() {
return this.$refs.wrappedInstance;
}
},
render: function render() {
var h = arguments[0];
this.preProps = _extends({}, this.$props);
var $listeners = this.$listeners,
_$slots = this.$slots,
$slots = _$slots === undefined ? {} : _$slots,
$attrs = this.$attrs,
$scopedSlots = this.$scopedSlots,
subscribed = this.subscribed,
store = this.store;
var props = getOptionProps(this);
this.preProps = _extends({}, omit(props, ['__propsSymbol__']));
var wrapProps = {
props: _extends({}, props, subscribed, {
store: store
}),
on: $listeners,
attrs: $attrs,
scopedSlots: $scopedSlots
};
return h(
WrappedComponent,
_mergeJSXProps([wrapProps, { ref: 'wrappedInstance' }]),
[Object.keys($slots).map(function (name) {
return h(
'template',
{ slot: name },
[$slots[name]]
);
})]
);
}
};
return proxyComponent(Connect);
};
}