ra-core
Version:
Core components of react-admin, a frontend Framework for building admin applications on top of REST services, using ES6, React
72 lines • 2.79 kB
JavaScript
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __rest = (this && this.__rest) || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
t[p] = s[p];
if (s != null && typeof Object.getOwnPropertySymbols === "function")
for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
t[p[i]] = s[p[i]];
}
return t;
};
import * as React from 'react';
import { createContext, useCallback, useState, useMemo } from 'react';
import isEqual from 'lodash/isEqual';
export var ResourceDefinitionContext = createContext({
definitions: {},
register: function () { },
unregister: function () { },
});
/**
* Context to store the current resource Definition.
*
* Use the useResourceDefinition() hook to read the context.
*
* @example
*
* import { useResourceDefinition, useTranslate } from 'ra-core';
*
* const PostMenuItem = () => {
* const { name, icon } = useResourceDefinition({ resource: 'posts' });
*
* return (
* <MenuItem>
* <ListItemIcon>{icon}</ListItemIcon>
* {name}
* </MenuItem>
* );
* };
*/
export var ResourceDefinitionContextProvider = function (_a) {
var _b = _a.definitions, defaultDefinitions = _b === void 0 ? {} : _b, children = _a.children;
var _c = useState(defaultDefinitions), definitions = _c[0], setState = _c[1];
var register = useCallback(function (config) {
setState(function (prev) {
var _a;
return isEqual(prev[config.name], config)
? prev
: __assign(__assign({}, prev), (_a = {}, _a[config.name] = config, _a));
});
}, []);
var unregister = useCallback(function (config) {
setState(function (prev) {
var _a = prev, _b = config.name, _ = _a[_b], rest = __rest(_a, [typeof _b === "symbol" ? _b : _b + ""]);
return rest;
});
}, []);
var contextValue = useMemo(function () { return ({ definitions: definitions, register: register, unregister: unregister }); }, [definitions] // eslint-disable-line react-hooks/exhaustive-deps
);
return (React.createElement(ResourceDefinitionContext.Provider, { value: contextValue }, children));
};
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