ra-core
Version:
Core components of react-admin, a frontend Framework for building admin applications on top of REST services, using ES6, React
105 lines • 4.39 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 () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.FormGroupsProvider = void 0;
const React = __importStar(require("react"));
const react_1 = require("react");
const FormGroupsContext_1 = require("./FormGroupsContext.cjs");
/**
* 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
*/
const FormGroupsProvider = ({ children }) => {
const formGroups = (0, react_1.useRef)({});
const subscribers = (0, react_1.useRef)({});
const formContextValue = (0, react_1.useMemo)(() => ({
/**
* Register a subscriber function for the specified group. The subscriber
* will be called whenever the group content changes (fields added or removed).
*/
subscribe: (group, subscriber) => {
if (!subscribers.current[group]) {
subscribers.current[group] = [];
}
subscribers.current[group].push(subscriber);
return () => {
subscribers.current[group] = subscribers.current[group].filter(s => s !== subscriber);
};
},
getGroupFields: name => formGroups.current[name] || [],
registerGroup: name => {
formGroups.current[name] = formGroups.current[name] || [];
},
unregisterGroup: name => {
delete formGroups[name];
},
registerField: (source, group) => {
if (group != null) {
if (!(formGroups.current[group] || []).includes(source)) {
formGroups.current[group] = [
...(formGroups.current[group] || []),
source,
];
// Notify subscribers that the group fields have changed
if (subscribers.current[group]) {
subscribers.current[group].forEach(subscriber => subscriber());
}
}
}
},
unregisterField: (source, group) => {
if (group != null) {
if (!formGroups.current[group]) {
console.warn(`Invalid form group ${group}`);
}
else {
const 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(subscriber => subscriber());
}
}
}
},
}), []);
return (React.createElement(FormGroupsContext_1.FormGroupsContext.Provider, { value: formContextValue }, children));
};
exports.FormGroupsProvider = FormGroupsProvider;
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