Используйте селекторы isValid
или isInvalid
(https://redux -form.com / 7.4.2 / docs / api / selectors.md / )
import React from 'react';
import { compose } from 'redux';
import { reduxForm, isValid } from 'redux-form';
const MyComponent = ({ handleSubmit, valid }) => (
<form onSubmit={handleSubmit}>
<Field
label="Demand Ref"
name="demand_ref"
component={this.renderTextField}
type="text"
onBlur={valid && e => this.onAfterSaveCell(e, 'demand_ref')}
onFocus={e => this.onBeforeSaveCell(e, 'demand_ref')}
validate={[validateDemandRef]}
maxlength="15"
/>
<button type="submit">Submit</button>
</form>
);
const FORM_NAME = 'my-form';
export default compose(
reduxForm({
form: FORM_NAME,
}),
connect(state => ({
valid: isValid(FORM_NAME)(state), // also there is an isInvalid selector
})),
)(MyComponent);
Для реализации компонента с состоянием
import React, { PureComponent } from 'react';
import { compose } from 'redux';
import { reduxForm, isValid } from 'redux-form';
class MyComponent extends PureComponent {
render() {
const { handleSubmit, valid } = this.props;
return (
<form onSubmit={handleSubmit}>
<Field
label="Demand Ref"
name="demand_ref"
component={this.renderTextField}
type="text"
onBlur={valid && e => this.onAfterSaveCell(e, 'demand_ref')}
onFocus={e => this.onBeforeSaveCell(e, 'demand_ref')}
validate={[validateDemandRef]}
maxlength="15"
/>
<button type="submit">Submit</button>
</form>
);
}
}
const FORM_NAME = 'my-form';
export default compose(
reduxForm({
form: FORM_NAME,
}),
connect(state => ({
valid: isValid(FORM_NAME)(state), // also there is an isInvalid selector
})),
)(MyComponent);