react-hooks-dynamic-form
Version:
Dynamic form with react hooks
73 lines (72 loc) • 3.22 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);
};
Object.defineProperty(exports, "__esModule", { value: true });
var react_1 = require("react");
var handlers_1 = require("./handlers");
/**
* Form API library entry point to generate and reuse all Form API function
* @param fields field definitions array
* @param defaultSettings common settings for all fields
* @param remoteValues in case fields values are remote (server, parents components ...)
*/
exports.useFormApi = function (fields, defaultSettings, remoteValues) {
var _a = react_1.useState(function () {
// Init once without remote value
return handlers_1.generateFormData(fields, defaultSettings);
}), formData = _a[0], setFormData = _a[1];
react_1.useEffect(function () {
// Remote values can be lazily loaded
if (remoteValues) {
setFormData(function (currentFormData) {
return Object.entries(remoteValues).reduce(function (updatedData, _a) {
var name = _a[0], value = _a[1];
return handlers_1.updateFormField(updatedData, name, value);
}, currentFormData);
});
}
}, [remoteValues]);
var resetForm = react_1.useCallback(function () {
var data = handlers_1.generateFormData(fields, defaultSettings, remoteValues);
setFormData(data);
}, [fields, defaultSettings, remoteValues]);
var handleFieldChange = react_1.useCallback(function (name, value) {
setFormData(function (currentFormData) { return handlers_1.updateFormField(currentFormData, name, value); });
}, []);
var handleFieldValidate = react_1.useCallback(function (name) {
setFormData(function (currentFormData) { return handlers_1.validateField(currentFormData, name); });
}, []);
var handleFormValidate = react_1.useCallback(function () {
var _a = handlers_1.validateForm(formData), isValid = _a.isValid, updatedData = _a.updatedData;
setFormData(updatedData);
return isValid;
}, [formData]);
var getFieldInputError = react_1.useCallback(function (name) { return (formData ? formData[name].getInputError() : null); }, [formData]);
var values = react_1.useMemo(function () {
return fields.reduce(function (acc, _a) {
var _b;
var name = _a.name;
return (__assign(__assign({}, acc), (formData && name && formData[name] ? (_b = {}, _b[name] = formData[name].value, _b) : {})));
}, {});
},
// eslint-disable-next-line react-hooks/exhaustive-deps
[formData]);
return {
isInit: !!formData,
values: values,
setFieldValue: handleFieldChange,
validateField: handleFieldValidate,
validateForm: handleFormValidate,
getFieldInputError: getFieldInputError,
resetForm: resetForm,
};
};