32 lines
1.2 KiB
JavaScript
32 lines
1.2 KiB
JavaScript
import _extends from "@babel/runtime/helpers/esm/extends";
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import verifyPlainObject from '../utils/verifyPlainObject';
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import { createInvalidArgFactory } from './invalidArgFactory';
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export function defaultMergeProps(stateProps, dispatchProps, ownProps) {
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// @ts-ignore
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return _extends({}, ownProps, stateProps, dispatchProps);
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}
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export function wrapMergePropsFunc(mergeProps) {
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return function initMergePropsProxy(dispatch, {
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displayName,
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areMergedPropsEqual
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}) {
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let hasRunOnce = false;
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let mergedProps;
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return function mergePropsProxy(stateProps, dispatchProps, ownProps) {
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const nextMergedProps = mergeProps(stateProps, dispatchProps, ownProps);
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if (hasRunOnce) {
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if (!areMergedPropsEqual(nextMergedProps, mergedProps)) mergedProps = nextMergedProps;
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} else {
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hasRunOnce = true;
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mergedProps = nextMergedProps;
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if (process.env.NODE_ENV !== 'production') verifyPlainObject(mergedProps, displayName, 'mergeProps');
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}
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return mergedProps;
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};
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};
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}
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export function mergePropsFactory(mergeProps) {
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return !mergeProps ? () => defaultMergeProps : typeof mergeProps === 'function' ? wrapMergePropsFunc(mergeProps) : createInvalidArgFactory(mergeProps, 'mergeProps');
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} |