Default widget for number fields

[leplatrem]

Prerequisites

• I have read the documentation;
• In the case of a bug report, I understand that providing a SSCCE example is tremendously useful to the maintainers.

Description

Default widget for numbers seems to be text fields.

Steps to Reproduce

const Form = JSONSchemaForm.default;
const schema = {
  title: "react-jsonschema-form demo",
  type: "object",
  properties: {
  	rate: {type: "number"},
    percent: {type: "number"}
  }
};
const uiSchema = {
  percent: {
    "ui:widget": "range"
  }
};

ReactDOM.render(<Form schema={schema} uiSchema={uiSchema}/>, 
             document.getElementById("main"));

Expected behavior

I would expect the serialized value to be an integer or float

Actual behavior

Currently the value is quoted as string

[yankeyhs]

Hi I want to place class to input instead of it's parent element, But Nothing is documented for this.

check PFA
red part className I want in green part too.

[epicfaace]

@yankeyhs we can't do this now -- you'd have to make your own custom widget in order to do so.