@42.nl/final-form-field-validation
Version:
Validating final forms.
73 lines (72 loc) • 3.97 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
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;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Field = Field;
const jsx_runtime_1 = require("react/jsx-runtime");
const react_1 = require("react");
const react_final_form_1 = require("react-final-form");
/**
* Field wraps final-form's Field, and adds async validation.
*
* It is possible to add custom field validators and async validators
* via the `validators` and `asyncValidators` props. The `asyncValidators`
* are only ran when all synchronous `validators` pass.
*/
function Field(props) {
const { validators, asyncValidators, asyncValidatorsDebounce = 200 } = props, fieldProps = __rest(props, ["validators", "asyncValidators", "asyncValidatorsDebounce"]);
const debounceResolver = (0, react_1.useRef)(() => undefined);
const validate = (0, react_1.useCallback)((value, allValues, meta) => __awaiter(this, void 0, void 0, function* () {
// Prevent the previous async check from occurring if possible
debounceResolver.current(false);
const validatorFunctions = Array.isArray(validators) && validators ? [...validators] : [];
if (validatorFunctions.length > 0) {
// Perform synchronous validation
const results = yield Promise.all(validatorFunctions.map((validator) => validator(value, allValues, meta)));
const errors = results.filter((v) => v !== undefined);
// If there are no synchronous errors, asynchronous validation will be prepared
if (errors.length > 0) {
return errors;
}
}
const asyncValidatorFunctions = Array.isArray(asyncValidators) && asyncValidators
? [...asyncValidators]
: [];
if (asyncValidatorFunctions.length === 0) {
return undefined;
}
const promise = new Promise((resolve) => {
// Prevent the previous async check from occurring if possible
debounceResolver.current(false);
debounceResolver.current = resolve;
setTimeout(() => resolve(true), asyncValidatorsDebounce);
});
const shouldPerformAsyncValidation = yield promise;
if (!shouldPerformAsyncValidation) {
return undefined;
}
const asyncResults = yield Promise.all(asyncValidatorFunctions.map((validator) => validator(value, allValues, meta)));
const asyncErrors = asyncResults.filter((v) => v !== undefined);
// If there are no errors, return undefined to indicate that everything is a-ok.
return asyncErrors.length === 0 ? undefined : asyncErrors;
}), [validators, asyncValidators, asyncValidatorsDebounce]);
return (0, jsx_runtime_1.jsx)(react_final_form_1.Field, Object.assign({}, fieldProps, { validate: validate }));
}