@wordpress/components/build/ui/context/use-context-system.js

UI components for WordPress.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.useContextSystem = useContextSystem;

var _emotion = require("emotion");

var _warning = _interopRequireDefault(require("@wordpress/warning"));

var _contextSystemProvider = require("./context-system-provider");

var _utils = require("./utils");

var _getStyledClassNameFromKey = require("./get-styled-class-name-from-key");

/**
 * WordPress dependencies
 */

/**
 * Internal dependencies
 */

/* eslint-disable jsdoc/valid-types */

/**
 * @template TProps
 * @typedef {TProps & { className: string; children?: import('react').ReactNode }} ConnectedProps
 */

/* eslint-enable jsdoc/valid-types */

/**
 * Custom hook that derives registered props from the Context system.
 * These derived props are then consolidated with incoming component props.
 *
 * @template {{ className?: string }} P
 * @param {P} props Incoming props from the component.
 * @param {string} namespace The namespace to register and to derive context props from.
 * @return {ConnectedProps<P>} The connected props.
 */
function useContextSystem(props, namespace) {
  const contextSystemProps = (0, _contextSystemProvider.useComponentsContext)();

  if (typeof namespace === 'undefined') {
    typeof process !== "undefined" && process.env && process.env.NODE_ENV !== "production" ? (0, _warning.default)('useContextSystem: Please provide a namespace') : void 0;
  }

  const contextProps = (contextSystemProps === null || contextSystemProps === void 0 ? void 0 : contextSystemProps[namespace]) || {};
  /* eslint-disable jsdoc/no-undefined-types */

  /** @type {ConnectedProps<P>} */
  // @ts-ignore We fill in the missing properties below

  const finalComponentProps = { ...(0, _utils.getConnectedNamespace)(),
    ...(0, _utils.getNamespace)(namespace)
  };
  /* eslint-enable jsdoc/no-undefined-types */

  const {
    _overrides: overrideProps,
    ...otherContextProps
  } = contextProps;
  const initialMergedProps = Object.entries(otherContextProps).length ? Object.assign({}, otherContextProps, props) : props;
  const classes = (0, _emotion.cx)((0, _getStyledClassNameFromKey.getStyledClassNameFromKey)(namespace), props.className); // Provides the ability to customize the render of the component.

  const rendered = typeof initialMergedProps.renderChildren === 'function' ? initialMergedProps.renderChildren(initialMergedProps) : initialMergedProps.children;

  for (const key in initialMergedProps) {
    // @ts-ignore filling in missing props
    finalComponentProps[key] = initialMergedProps[key];
  }

  for (const key in overrideProps) {
    // @ts-ignore filling in missing props
    finalComponentProps[key] = overrideProps[key];
  }

  finalComponentProps.children = rendered;
  finalComponentProps.className = classes;
  return finalComponentProps;
}
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