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rc-form

React High Order Form Component.

NPM version build status Test coverage gemnasium deps node version npm download

Development

npm install
npm start

Example

http://localhost:8000/examples/

online example: http://react-component.github.io/form/examples/

Feature

  • support reactjs and even react-native

install

rc-form

Usage

import { createForm } from 'rc-form';

@createForm()
class Form extends React.Component {
  submit = () => {
    this.props.form.validateFields((error, value) => {
      console.log(error, value);
    });
  }

  render() {
    let errors;
    const {getFieldProps, getFieldError} = this.props.form;
    return (<div>
      <input {...getFieldProps('normal')}/>
      <input {...getFieldProps('required', {
        rules: [{required: true}],
      })}/>
      {(errors = getFieldError('required')) ? errors.join(',') : null}
      <button onClick={this.submit}>submit</button>
    </div>)
  }
}

createForm(formOption): Function

formOption.validateMessages: Object

preset messages of async-validator

formOption.mapProps: Function(props): Object

Get new props transfered to WrappedComponent. Defaults to props=>props.

formOption.onFieldsChange(props, fields)

Called when field changed, you can dispatch fields to redux store.

formOption.mapPropsToFields(props)

convert value from props to fields. used for read fields from redux store.

createForm() will return another function:

function(WrappedComponent: React.Component): React.Component

Will pass a object as prop form with the following members to WrappedComponent:

getFieldProps(name, option): Object

Will create props which can be set on a input/InputComponent which support value and onChange interface.

After set, this will create a binding with this input.

name: String

This input's unique name.

option.valuePropName: String

Prop name of component's value field, eg: checkbox should be set ti checked ...

option.initialValue

Initial value of current component.

option.normalize(value, prevValue, allValues)

Return normalized value

option.trigger: String

Defaults to onChange. Event which is listened to collect form data.

option.validate: Object[]

option.validate[n].trigger: String|String[]

Event which is listened to validate. Defaults to onChange, set to falsy to only validate when call props.validateFields.

option.validate[n].rules: Object[]

Validator rules. see: async-validator

option.validateTrigger && option.rules

{
  validateTrigger: 'onBlur',
  rules: [{required: true}],
}
// is the shorthand of
{
  validate: [{
    trigger: 'onBlur',
    rules: [required: true],
  }],
}

option.validateFirst: Boolean

Defaults to false. whether stop validate on first rule of error for this field.

getFieldsValue([fieldNames: String[]])

Get fields value by fieldNames.

getFieldValue(fieldName: String)

Get field value by fieldName.

getFieldInstance(fieldName: String)

Get field react public instance by fieldName.

setFieldsValue(obj: Object)

Set fields value by kv object.

setFieldsInitialValue(obj: Object)

Set fields initialValue by kv object. use for reset and initial display/value.

setFields(obj: Object)

Set fields by kv object. each field can contain errors and value member.

validateFields([fieldNames: String[]], [options: Object], callback: Function(errors, values))

Validate and get fields value by fieldNames.

options is the same as validate method of async-validator. add a new force member.

options.force: Boolean

Defaults to false. Whether to validate fields which have been validated(caused by validateTrigger).

getFieldError(name): String[]

Get input's validate errors.

isFieldValidating(name: String): Bool

Whether this input is validating.

isFieldsValidating(names: String[]): Bool

Whether one of the inputs is validating.

isSubmitting(): Bool

Whether the form is submitting.

submit(callback: Function)

Cause isSubmitting to return true, after callback called, isSubmitting return false.

resetFields([names: String[]])

Reset specified inputs. Defaults to all.

rc-form/lib/createDOMForm(formOption): Function

createForm enhancement, support props.form.validateFieldsAndScroll

props.form.validateFieldsAndScroll([fieldNames: String[]], [options: Object], callback: Function(errors, values))

props.form.validateFields enhancement, support scroll to the first invalid form field

options.container: HTMLElement

Defaults to first scrollable container of form field(until document).

Notes

  • you can not set same prop name as the value of validateTrigger/trigger.
<input {...getFieldProps('change',{
  onChange: this.iWantToKnow // you must set onChange here
})}>
  • you can not use ref prop.
<input {...getFieldProps('ref')} />

this.props.form.getFieldInstance('ref') // use this to get ref

or

<input {...getFieldProps('ref',{
  ref: this.saveRef // or use function here
})} />

Test Case

npm test
npm run chrome-test

Coverage

npm run coverage

open coverage/ dir

License

rc-form is released under the MIT license.