antd/es/form/FormItemLabel.js

An enterprise-class UI design language and React components implementation

function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

import * as React from 'react';
import classNames from 'classnames';
import Col from '../grid/col';
import { FormContext } from './context';

var FormItemLabel = function FormItemLabel(_ref) {
  var prefixCls = _ref.prefixCls,
      label = _ref.label,
      htmlFor = _ref.htmlFor,
      labelCol = _ref.labelCol,
      labelAlign = _ref.labelAlign,
      colon = _ref.colon,
      required = _ref.required;
  if (!label) return null;
  return /*#__PURE__*/React.createElement(FormContext.Consumer, {
    key: "label"
  }, function (_ref2) {
    var _classNames;

    var vertical = _ref2.vertical,
        contextLabelAlign = _ref2.labelAlign,
        contextLabelCol = _ref2.labelCol,
        contextColon = _ref2.colon;
    var mergedLabelCol = labelCol || contextLabelCol || {};
    var mergedLabelAlign = labelAlign || contextLabelAlign;
    var labelClsBasic = "".concat(prefixCls, "-item-label");
    var labelColClassName = classNames(labelClsBasic, mergedLabelAlign === 'left' && "".concat(labelClsBasic, "-left"), mergedLabelCol.className);
    var labelChildren = label; // Keep label is original where there should have no colon

    var computedColon = colon === true || contextColon !== false && colon !== false;
    var haveColon = computedColon && !vertical; // Remove duplicated user input colon

    if (haveColon && typeof label === 'string' && label.trim() !== '') {
      labelChildren = label.replace(/[:|：]\s*$/, '');
    }

    var labelClassName = classNames((_classNames = {}, _defineProperty(_classNames, "".concat(prefixCls, "-item-required"), required), _defineProperty(_classNames, "".concat(prefixCls, "-item-no-colon"), !computedColon), _classNames));
    return /*#__PURE__*/React.createElement(Col, _extends({}, mergedLabelCol, {
      className: labelColClassName
    }), /*#__PURE__*/React.createElement("label", {
      htmlFor: htmlFor,
      className: labelClassName,
      title: typeof label === 'string' ? label : ''
    }, labelChildren));
  });
};

export default FormItemLabel;