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import _extends from "@babel/runtime/helpers/esm/extends";
import verifyPlainObject from '../utils/verifyPlainObject';
export function defaultMergeProps(stateProps, dispatchProps, ownProps) {
return _extends({}, ownProps, stateProps, dispatchProps);
}
export function wrapMergePropsFunc(mergeProps) {
return function initMergePropsProxy(dispatch, _ref) {
var displayName = _ref.displayName,
pure = _ref.pure,
areMergedPropsEqual = _ref.areMergedPropsEqual;
var hasRunOnce = false;
var mergedProps;
return function mergePropsProxy(stateProps, dispatchProps, ownProps) {
var nextMergedProps = mergeProps(stateProps, dispatchProps, ownProps);
if (hasRunOnce) {
if (!pure || !areMergedPropsEqual(nextMergedProps, mergedProps)) mergedProps = nextMergedProps;
} else {
hasRunOnce = true;
mergedProps = nextMergedProps;
if (process.env.NODE_ENV !== 'production') verifyPlainObject(mergedProps, displayName, 'mergeProps');
}
return mergedProps;
};
};
}
export function whenMergePropsIsFunction(mergeProps) {
return typeof mergeProps === 'function' ? wrapMergePropsFunc(mergeProps) : undefined;
}
export function whenMergePropsIsOmitted(mergeProps) {
return !mergeProps ? function () {
return defaultMergeProps;
} : undefined;
}
export default [whenMergePropsIsFunction, whenMergePropsIsOmitted];