ra-core
Version:
Core components of react-admin, a frontend Framework for building admin applications on top of REST services, using ES6, React
108 lines • 4.71 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0, i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.FormGroupsProvider = void 0;
var React = __importStar(require("react"));
var react_1 = require("react");
var FormGroupsContext_1 = require("./FormGroupsContext");
/**
* This component provides functions through context to manage form groups,
* allowing to link or unlink an input to a group.
* @see FormGroupContextProvider
* @see useFormGroup
* @see useFormGroups
*/
var FormGroupsProvider = function (_a) {
var children = _a.children;
var formGroups = (0, react_1.useRef)({});
var subscribers = (0, react_1.useRef)({});
var formContextValue = (0, react_1.useMemo)(function () { return ({
/**
* Register a subscriber function for the specified group. The subscriber
* will be called whenever the group content changes (fields added or removed).
*/
subscribe: function (group, subscriber) {
if (!subscribers.current[group]) {
subscribers.current[group] = [];
}
subscribers.current[group].push(subscriber);
return function () {
subscribers.current[group] = subscribers.current[group].filter(function (s) { return s !== subscriber; });
};
},
getGroupFields: function (name) { return formGroups.current[name] || []; },
registerGroup: function (name) {
formGroups.current[name] = formGroups.current[name] || [];
},
unregisterGroup: function (name) {
delete formGroups[name];
},
registerField: function (source, group) {
if (group != null) {
if (!(formGroups.current[group] || []).includes(source)) {
formGroups.current[group] = __spreadArray(__spreadArray([], (formGroups.current[group] || []), true), [
source,
], false);
// Notify subscribers that the group fields have changed
if (subscribers.current[group]) {
subscribers.current[group].forEach(function (subscriber) {
return subscriber();
});
}
}
}
},
unregisterField: function (source, group) {
if (group != null) {
if (!formGroups.current[group]) {
console.warn("Invalid form group ".concat(group));
}
else {
var fields = new Set(formGroups.current[group]);
fields.delete(source);
formGroups.current[group] = Array.from(fields);
// Notify subscribers that the group fields have changed
if (subscribers.current[group]) {
subscribers.current[group].forEach(function (subscriber) {
return subscriber();
});
}
}
}
},
}); }, []);
return (React.createElement(FormGroupsContext_1.FormGroupsContext.Provider, { value: formContextValue }, children));
};
exports.FormGroupsProvider = FormGroupsProvider;
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