securityos/node_modules/react-redux/es/connect/selectorFactory.js

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2024-09-06 15:32:35 +00:00
import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
var _excluded = ["initMapStateToProps", "initMapDispatchToProps", "initMergeProps"];
import verifySubselectors from './verifySubselectors';
export function impureFinalPropsSelectorFactory(mapStateToProps, mapDispatchToProps, mergeProps, dispatch) {
return function impureFinalPropsSelector(state, ownProps) {
return mergeProps(mapStateToProps(state, ownProps), mapDispatchToProps(dispatch, ownProps), ownProps);
};
}
export function pureFinalPropsSelectorFactory(mapStateToProps, mapDispatchToProps, mergeProps, dispatch, _ref) {
var areStatesEqual = _ref.areStatesEqual,
areOwnPropsEqual = _ref.areOwnPropsEqual,
areStatePropsEqual = _ref.areStatePropsEqual;
var hasRunAtLeastOnce = false;
var state;
var ownProps;
var stateProps;
var dispatchProps;
var mergedProps;
function handleFirstCall(firstState, firstOwnProps) {
state = firstState;
ownProps = firstOwnProps;
stateProps = mapStateToProps(state, ownProps);
dispatchProps = mapDispatchToProps(dispatch, ownProps);
mergedProps = mergeProps(stateProps, dispatchProps, ownProps);
hasRunAtLeastOnce = true;
return mergedProps;
}
function handleNewPropsAndNewState() {
stateProps = mapStateToProps(state, ownProps);
if (mapDispatchToProps.dependsOnOwnProps) dispatchProps = mapDispatchToProps(dispatch, ownProps);
mergedProps = mergeProps(stateProps, dispatchProps, ownProps);
return mergedProps;
}
function handleNewProps() {
if (mapStateToProps.dependsOnOwnProps) stateProps = mapStateToProps(state, ownProps);
if (mapDispatchToProps.dependsOnOwnProps) dispatchProps = mapDispatchToProps(dispatch, ownProps);
mergedProps = mergeProps(stateProps, dispatchProps, ownProps);
return mergedProps;
}
function handleNewState() {
var nextStateProps = mapStateToProps(state, ownProps);
var statePropsChanged = !areStatePropsEqual(nextStateProps, stateProps);
stateProps = nextStateProps;
if (statePropsChanged) mergedProps = mergeProps(stateProps, dispatchProps, ownProps);
return mergedProps;
}
function handleSubsequentCalls(nextState, nextOwnProps) {
var propsChanged = !areOwnPropsEqual(nextOwnProps, ownProps);
var stateChanged = !areStatesEqual(nextState, state, nextOwnProps, ownProps);
state = nextState;
ownProps = nextOwnProps;
if (propsChanged && stateChanged) return handleNewPropsAndNewState();
if (propsChanged) return handleNewProps();
if (stateChanged) return handleNewState();
return mergedProps;
}
return function pureFinalPropsSelector(nextState, nextOwnProps) {
return hasRunAtLeastOnce ? handleSubsequentCalls(nextState, nextOwnProps) : handleFirstCall(nextState, nextOwnProps);
};
} // TODO: Add more comments
// If pure is true, the selector returned by selectorFactory will memoize its results,
// allowing connectAdvanced's shouldComponentUpdate to return false if final
// props have not changed. If false, the selector will always return a new
// object and shouldComponentUpdate will always return true.
export default function finalPropsSelectorFactory(dispatch, _ref2) {
var initMapStateToProps = _ref2.initMapStateToProps,
initMapDispatchToProps = _ref2.initMapDispatchToProps,
initMergeProps = _ref2.initMergeProps,
options = _objectWithoutPropertiesLoose(_ref2, _excluded);
var mapStateToProps = initMapStateToProps(dispatch, options);
var mapDispatchToProps = initMapDispatchToProps(dispatch, options);
var mergeProps = initMergeProps(dispatch, options);
if (process.env.NODE_ENV !== 'production') {
verifySubselectors(mapStateToProps, mapDispatchToProps, mergeProps, options.displayName);
}
var selectorFactory = options.pure ? pureFinalPropsSelectorFactory : impureFinalPropsSelectorFactory;
return selectorFactory(mapStateToProps, mapDispatchToProps, mergeProps, dispatch, options);
}