react-bootstrap/lib/SafeAnchor.js

"use strict";

var _interopRequireDefault = require("@babel/runtime-corejs2/helpers/interopRequireDefault");

exports.__esModule = true;
exports.default = void 0;

var _extends2 = _interopRequireDefault(require("@babel/runtime-corejs2/helpers/extends"));

var _objectWithoutPropertiesLoose2 = _interopRequireDefault(require("@babel/runtime-corejs2/helpers/objectWithoutPropertiesLoose"));

var _inheritsLoose2 = _interopRequireDefault(require("@babel/runtime-corejs2/helpers/inheritsLoose"));

var _assertThisInitialized2 = _interopRequireDefault(require("@babel/runtime-corejs2/helpers/assertThisInitialized"));

var _react = _interopRequireDefault(require("react"));

var _propTypes = _interopRequireDefault(require("prop-types"));

var _elementType = _interopRequireDefault(require("prop-types-extra/lib/elementType"));

var _createChainedFunction = _interopRequireDefault(require("./utils/createChainedFunction"));

var propTypes = {
  href: _propTypes.default.string,
  onClick: _propTypes.default.func,
  onKeyDown: _propTypes.default.func,
  disabled: _propTypes.default.bool,
  role: _propTypes.default.string,
  tabIndex: _propTypes.default.oneOfType([_propTypes.default.number, _propTypes.default.string]),

  /**
   * this is sort of silly but needed for Button
   */
  componentClass: _elementType.default
};
var defaultProps = {
  componentClass: 'a'
};

function isTrivialHref(href) {
  return !href || href.trim() === '#';
}
/**
 * There are situations due to browser quirks or Bootstrap CSS where
 * an anchor tag is needed, when semantically a button tag is the
 * better choice. SafeAnchor ensures that when an anchor is used like a
 * button its accessible. It also emulates input `disabled` behavior for
 * links, which is usually desirable for Buttons, NavItems, MenuItems, etc.
 */


var SafeAnchor =
/*#__PURE__*/
function (_React$Component) {
  (0, _inheritsLoose2.default)(SafeAnchor, _React$Component);

  function SafeAnchor(props, context) {
    var _this;

    _this = _React$Component.call(this, props, context) || this;
    _this.handleClick = _this.handleClick.bind((0, _assertThisInitialized2.default)((0, _assertThisInitialized2.default)(_this)));
    _this.handleKeyDown = _this.handleKeyDown.bind((0, _assertThisInitialized2.default)((0, _assertThisInitialized2.default)(_this)));
    return _this;
  }

  var _proto = SafeAnchor.prototype;

  _proto.handleClick = function handleClick(event) {
    var _this$props = this.props,
        disabled = _this$props.disabled,
        href = _this$props.href,
        onClick = _this$props.onClick;

    if (disabled || isTrivialHref(href)) {
      event.preventDefault();
    }

    if (disabled) {
      event.stopPropagation();
      return;
    }

    if (onClick) {
      onClick(event);
    }
  };

  _proto.handleKeyDown = function handleKeyDown(event) {
    if (event.key === ' ') {
      event.preventDefault();
      this.handleClick(event);
    }
  };

  _proto.render = function render() {
    var _this$props2 = this.props,
        Component = _this$props2.componentClass,
        disabled = _this$props2.disabled,
        onKeyDown = _this$props2.onKeyDown,
        props = (0, _objectWithoutPropertiesLoose2.default)(_this$props2, ["componentClass", "disabled", "onKeyDown"]);

    if (isTrivialHref(props.href)) {
      props.role = props.role || 'button'; // we want to make sure there is a href attribute on the node
      // otherwise, the cursor incorrectly styled (except with role='button')

      props.href = props.href || '#';
    }

    if (disabled) {
      props.tabIndex = -1;
      props.style = (0, _extends2.default)({
        pointerEvents: 'none'
      }, props.style);
    }

    return _react.default.createElement(Component, (0, _extends2.default)({}, props, {
      onClick: this.handleClick,
      onKeyDown: (0, _createChainedFunction.default)(this.handleKeyDown, onKeyDown)
    }));
  };

  return SafeAnchor;
}(_react.default.Component);

SafeAnchor.propTypes = propTypes;
SafeAnchor.defaultProps = defaultProps;
var _default = SafeAnchor;
exports.default = _default;
module.exports = exports["default"];