ra-core
Version:
Core components of react-admin, a frontend Framework for building admin applications on top of REST services, using ES6, React
155 lines • 7.73 kB
JavaScript
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import { useCallback, useRef } from 'react';
import merge from 'lodash/merge';
import set from 'lodash/set';
import { useResourceContext } from '../../core';
import { useDataProvider } from '../../dataProvider';
import { useTranslate, useTranslateLabel } from '../../i18n';
import { asyncDebounce } from '../../util';
import { useRecordContext } from '../../controller';
import { isEmpty } from './validate';
/**
* A hook that returns a validation function checking for a record field uniqueness
* by calling the dataProvider getList function with a filter.
*
* @example // Passing options at declaration time
* const UserCreateForm = () => {
* const unique = useUnique({ message: 'Username is already used'});
* return (
* <SimpleForm>
* <TextInput source="username" validate={unique()} />
* </SimpleForm>
* );
* }
*
* @example // Passing options at call time
* const UserCreateForm = () => {
* const unique = useUnique();
* return (
* <SimpleForm>
* <TextInput source="username" validate={unique({ message: 'Username is already used'})} />
* </SimpleForm>
* );
* }
*
* @example // With additional filters
* const UserCreateForm = () => {
* const unique = useUnique();
* return (
* <SimpleForm>
* <ReferenceInput source="organization_id" reference="organizations" />
* <FormDataConsumer>
* {({ formData }) => (
* <TextInput
* source="username"
* validate={unique({ filter: { organization_id: formData.organization_id })}
* />
* )}
* </FormDataConsumer>
* </SimpleForm>
* );
* }
*/
export var useUnique = function (options) {
var _a;
var dataProvider = useDataProvider();
var translateLabel = useTranslateLabel();
var resource = useResourceContext(options);
if (!resource) {
throw new Error('useUnique: missing resource prop or context');
}
var translate = useTranslate();
var record = useRecordContext();
var debouncedGetList = useRef(
// The initial value is here to set the correct type on useRef
asyncDebounce(dataProvider.getList, (_a = options === null || options === void 0 ? void 0 : options.debounce) !== null && _a !== void 0 ? _a : DEFAULT_DEBOUNCE));
var validateUnique = useCallback(function (callTimeOptions) {
var _a = merge({
debounce: DEFAULT_DEBOUNCE,
filter: {},
message: 'ra.validation.unique',
}, options, callTimeOptions), message = _a.message, filter = _a.filter, interval = _a.debounce;
debouncedGetList.current = asyncDebounce(dataProvider.getList, interval);
return function (value, allValues, props) { return __awaiter(void 0, void 0, void 0, function () {
var finalFilter, _a, data, total, error_1;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
if (isEmpty(value)) {
return [2 /*return*/, undefined];
}
_b.label = 1;
case 1:
_b.trys.push([1, 3, , 4]);
finalFilter = set(merge({}, filter), props.source, value);
return [4 /*yield*/, debouncedGetList.current(resource, {
filter: finalFilter,
pagination: { page: 1, perPage: 1 },
sort: { field: 'id', order: 'ASC' },
})];
case 2:
_a = _b.sent(), data = _a.data, total = _a.total;
if (typeof total !== 'undefined' &&
total > 0 &&
!data.some(function (r) { return r.id === (record === null || record === void 0 ? void 0 : record.id); })) {
return [2 /*return*/, {
message: message,
args: {
source: props.source,
value: value,
field: translateLabel({
label: props.label,
source: props.source,
resource: resource,
}),
},
}];
}
return [3 /*break*/, 4];
case 3:
error_1 = _b.sent();
return [2 /*return*/, translate('ra.notification.http_error')];
case 4: return [2 /*return*/, undefined];
}
});
}); };
}, [dataProvider, options, record, resource, translate, translateLabel]);
return validateUnique;
};
var DEFAULT_DEBOUNCE = 1000;
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