113 lines
3.4 KiB
JavaScript
113 lines
3.4 KiB
JavaScript
import _extends from "@babel/runtime-corejs2/helpers/esm/extends";
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import _objectWithoutPropertiesLoose from "@babel/runtime-corejs2/helpers/esm/objectWithoutPropertiesLoose";
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import _inheritsLoose from "@babel/runtime-corejs2/helpers/esm/inheritsLoose";
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import _assertThisInitialized from "@babel/runtime-corejs2/helpers/esm/assertThisInitialized";
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import React from 'react';
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import PropTypes from 'prop-types';
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import elementType from 'prop-types-extra/lib/elementType';
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import createChainedFunction from './utils/createChainedFunction';
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var propTypes = {
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href: PropTypes.string,
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onClick: PropTypes.func,
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onKeyDown: PropTypes.func,
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disabled: PropTypes.bool,
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role: PropTypes.string,
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tabIndex: PropTypes.oneOfType([PropTypes.number, PropTypes.string]),
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/**
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* this is sort of silly but needed for Button
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*/
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componentClass: elementType
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};
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var defaultProps = {
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componentClass: 'a'
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};
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function isTrivialHref(href) {
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return !href || href.trim() === '#';
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}
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/**
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* There are situations due to browser quirks or Bootstrap CSS where
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* an anchor tag is needed, when semantically a button tag is the
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* better choice. SafeAnchor ensures that when an anchor is used like a
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* button its accessible. It also emulates input `disabled` behavior for
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* links, which is usually desirable for Buttons, NavItems, MenuItems, etc.
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*/
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var SafeAnchor =
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/*#__PURE__*/
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function (_React$Component) {
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_inheritsLoose(SafeAnchor, _React$Component);
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function SafeAnchor(props, context) {
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var _this;
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_this = _React$Component.call(this, props, context) || this;
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_this.handleClick = _this.handleClick.bind(_assertThisInitialized(_assertThisInitialized(_this)));
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_this.handleKeyDown = _this.handleKeyDown.bind(_assertThisInitialized(_assertThisInitialized(_this)));
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return _this;
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}
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var _proto = SafeAnchor.prototype;
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_proto.handleClick = function handleClick(event) {
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var _this$props = this.props,
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disabled = _this$props.disabled,
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href = _this$props.href,
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onClick = _this$props.onClick;
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if (disabled || isTrivialHref(href)) {
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event.preventDefault();
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}
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if (disabled) {
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event.stopPropagation();
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return;
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}
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if (onClick) {
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onClick(event);
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}
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};
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_proto.handleKeyDown = function handleKeyDown(event) {
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if (event.key === ' ') {
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event.preventDefault();
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this.handleClick(event);
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}
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};
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_proto.render = function render() {
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var _this$props2 = this.props,
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Component = _this$props2.componentClass,
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disabled = _this$props2.disabled,
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onKeyDown = _this$props2.onKeyDown,
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props = _objectWithoutPropertiesLoose(_this$props2, ["componentClass", "disabled", "onKeyDown"]);
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if (isTrivialHref(props.href)) {
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props.role = props.role || 'button'; // we want to make sure there is a href attribute on the node
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// otherwise, the cursor incorrectly styled (except with role='button')
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props.href = props.href || '#';
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}
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if (disabled) {
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props.tabIndex = -1;
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props.style = _extends({
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pointerEvents: 'none'
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}, props.style);
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}
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return React.createElement(Component, _extends({}, props, {
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onClick: this.handleClick,
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onKeyDown: createChainedFunction(this.handleKeyDown, onKeyDown)
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}));
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};
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return SafeAnchor;
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}(React.Component);
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SafeAnchor.propTypes = propTypes;
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SafeAnchor.defaultProps = defaultProps;
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export default SafeAnchor; |