preact-arco-design/es/Form/useForm.js

Arco Design React UI Library.

import { useRef } from "preact/compat";
import Store from "./store";
export function getFormInstance() {
  var store = new Store();
  return {
    getFieldsValue: store.getFieldsValue,
    getFieldValue: store.getFieldValue,
    getFieldError: store.getFieldError,
    getFieldsError: store.getFieldsError,
    getTouchedFields: store.getTouchedFields,
    getFields: store.getFields,
    setFieldValue: store.setFieldValue,
    setFieldsValue: store.setFieldsValue,
    setFields: store.setFields,
    resetFields: store.resetFields,
    clearFields: store.clearFields,
    submit: store.submit,
    validate: store.validate,
    scrollToField: function scrollToField() {},
    getInnerMethods: function getInnerMethods(inner) {
      var methods = {};

      if (inner) {
        ['registerField', 'registerWatcher', 'innerSetInitialValues', 'innerSetInitialValue', 'innerSetCallbacks', 'innerSetFieldValue', 'innerGetStore'].map(function (key) {
          methods[key] = store[key];
        });
      }

      return methods;
    }
  };
}
export default function useForm(form) {
  var formRef = useRef(form);

  if (!formRef.current) {
    if (form) {
      formRef.current = form;
    } else {
      formRef.current = getFormInstance();
    }
  }

  return [formRef.current];
}