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

Arco Design React UI Library.

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      r,
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      if (e) throw e.error;
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  return ar;
};

import React, { useImperativeHandle, useEffect, forwardRef, useContext, useRef } from "preact/compat";
import scrollIntoView from 'scroll-into-view-if-needed';
import merge from 'lodash/merge';
import cs from "../_util/classNames";
import useForm from "./useForm";
import ConfigProvider, { ConfigContext } from "../ConfigProvider";
import { FormContext as RawFormContext, FormProviderContext } from "./context";
import { isObject } from "../_util/is";
import omit from "../_util/omit";
import useMergeProps from "../_util/hooks/useMergeProps";
import { ID_SUFFIX } from "./utils";

function _getFormElementId(prefix, field) {
  var id = field.replace(/[\[\.]/g, '_').replace(/\]/g, '');
  return prefix ? "".concat(prefix, "-").concat(id) : "".concat(id);
}

var defaultProps = {
  layout: 'horizontal',
  labelCol: {
    span: 5,
    offset: 0
  },
  labelAlign: 'right',
  wrapperCol: {
    span: 19,
    offset: 0
  },
  requiredSymbol: true,
  wrapper: 'form',
  validateTrigger: 'onChange'
};

var Form = function Form(baseProps, ref) {
  var _a;

  var _b, _c;

  var ctx = useContext(ConfigContext);
  var formProviderCtx = useContext(FormProviderContext);
  var wrapperRef = useRef(null);

  var _d = __read(useForm(baseProps.form), 1),
      formInstance = _d[0];

  var isMount = useRef();
  var props = useMergeProps(baseProps, defaultProps, (_b = ctx.componentConfig) === null || _b === void 0 ? void 0 : _b.Form);

  var layout = props.layout,
      labelCol = props.labelCol,
      wrapperCol = props.wrapperCol,
      Wrapper = props.wrapper,
      id = props.id,
      requiredSymbol = props.requiredSymbol,
      labelAlign = props.labelAlign,
      disabled = props.disabled,
      colon = props.colon,
      className = props.className,
      validateTrigger = props.validateTrigger,
      formPrefixCls = props.prefixCls,
      validateMessages = props.validateMessages,
      rest = __rest(props, ["layout", "labelCol", "wrapperCol", "wrapper", "id", "requiredSymbol", "labelAlign", "disabled", "colon", "className", "validateTrigger", "prefixCls", "validateMessages"]);

  var prefixCls = formPrefixCls || ctx.getPrefixCls('form');
  var rtl = ctx.rtl;
  var size = 'size' in props ? props.size : ctx.size;
  var innerMethods = formInstance.getInnerMethods(true);

  if (!isMount.current) {
    innerMethods.innerSetInitialValues(props.initialValues);
  }

  useEffect(function () {
    isMount.current = true;
  }, []);
  useEffect(function () {
    var unregister;

    if (formProviderCtx.register) {
      unregister = formProviderCtx.register(props.id, formInstance);
    }

    return unregister;
  }, [props.id, formInstance]);
  useImperativeHandle(ref, function () {
    return formInstance;
  }); // 滚动到目标表单字段位置

  formInstance.scrollToField = function (field, options) {
    var node = wrapperRef.current;
    var id = props.id;

    if (!node) {
      return;
    }

    var fieldNode = node.querySelector("#".concat(_getFormElementId(id, field)));

    if (!fieldNode) {
      // 如果设置了nostyle， fieldNode不存在，尝试直接查询表单控件
      fieldNode = node.querySelector("#".concat(_getFormElementId(id, field)).concat(ID_SUFFIX));
    }

    fieldNode && scrollIntoView(fieldNode, __assign({
      behavior: 'smooth',
      block: 'nearest',
      scrollMode: 'if-needed'
    }, options));
  };

  innerMethods.innerSetCallbacks({
    onValuesChange: function onValuesChange(value, values) {
      props.onValuesChange && props.onValuesChange(value, values);
      formProviderCtx.onFormValuesChange && formProviderCtx.onFormValuesChange(props.id, value);
    },
    onChange: props.onChange,
    onValidateFail: function onValidateFail(errors) {
      if (props.scrollToFirstError) {
        var options = isObject(props.scrollToFirstError) ? props.scrollToFirstError : {};
        formInstance.scrollToField(Object.keys(errors)[0], options);
      }
    },
    onSubmitFailed: props.onSubmitFailed,
    onSubmit: function onSubmit(values) {
      props.onSubmit && props.onSubmit(values);
      formProviderCtx.onFormSubmit && formProviderCtx.onFormSubmit(props.id, values);
    }
  });
  var contextProps = {
    requiredSymbol: requiredSymbol,
    labelAlign: labelAlign,
    disabled: disabled,
    colon: colon,
    labelCol: labelCol,
    wrapperCol: wrapperCol,
    layout: layout,
    store: formInstance,
    prefixCls: prefixCls,
    validateTrigger: validateTrigger,
    validateMessages: merge({}, (_c = ctx.locale.Form) === null || _c === void 0 ? void 0 : _c.validateMessages, validateMessages),
    getFormElementId: function getFormElementId(field) {
      return _getFormElementId(id, field);
    }
  };
  var FormContext = RawFormContext;
  return React.createElement(ConfigProvider, __assign({}, ctx, {
    size: size
  }), React.createElement(FormContext.Provider, {
    value: contextProps
  }, React.createElement(Wrapper, __assign({
    ref: wrapperRef
  }, omit(rest, ['form', 'size', 'initialValues', 'onValuesChange', 'onChange', 'wrapperProps', 'scrollToFirstError', 'onSubmit', 'onSubmitFailed']), props.wrapperProps, {
    className: cs(prefixCls, "".concat(prefixCls, "-").concat(layout), "".concat(prefixCls, "-size-").concat(size), (_a = {}, _a["".concat(prefixCls, "-rtl")] = rtl, _a), className),
    style: props.style,
    onSubmit: function onSubmit(e) {
      e.preventDefault();
      e.stopPropagation();
      formInstance.submit();
    },
    id: id
  }), props.children)));
};

var FormComponent = forwardRef(Form);
FormComponent.displayName = 'Form';
export default FormComponent;