baseui
Version:
A React Component library implementing the Base design language
103 lines (101 loc) • 4.18 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var React = _interopRequireWildcard(require("react"));
var _overrides = require("../helpers/overrides");
var _styledComponents = require("./styled-components");
var _constants = require("./constants");
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
function _extends() { _extends = Object.assign ? Object.assign.bind() : 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); } /*
Copyright (c) Uber Technologies, Inc.
This source code is licensed under the MIT license found in the
LICENSE file in the root directory of this source tree.
*/
const MAX_DOTS = 5;
const PageControl = ({
currentPage,
numPages,
onPageChange,
kind = _constants.KIND.default,
disabled = false,
'aria-label': ariaLabel,
overrides = {}
}) => {
const [Root, RootProps] = (0, _overrides.getOverrides)(overrides.Root, _styledComponents.StyledRoot);
const [Dot, DotProps] = (0, _overrides.getOverrides)(overrides.Dot, _styledComponents.StyledDot);
const isOverflow = numPages > MAX_DOTS;
function isActive(page) {
return page === currentPage;
}
function isVisible(page) {
if (!isOverflow) return true;
// if current page is one of first three pages, first five page dots are visible
if (currentPage <= 3) {
return page <= 5;
}
// if current page is one of last three pages, last five page dots are visible
if (numPages - currentPage < 3) {
return page > numPages - 5;
}
// otherwise, page must be within 2 of the current page for dot to be visible
return page >= currentPage - 2 && page <= currentPage + 2;
}
function getSize(page) {
if (!isOverflow) return _constants.SIZE.large;
if (currentPage <= 3) {
if (page <= 3) {
return _constants.SIZE.large;
}
if (page === 4) {
return _constants.SIZE.medium;
}
return _constants.SIZE.small;
}
if (numPages - currentPage < 3) {
if (page > numPages - 3) {
return _constants.SIZE.large;
}
if (page === numPages - 3) {
return _constants.SIZE.medium;
}
return _constants.SIZE.small;
}
if (page >= currentPage - 1 && page <= currentPage + 1) {
return _constants.SIZE.large;
}
if (page === currentPage - 2 || page === currentPage + 2) {
return _constants.SIZE.medium;
}
return _constants.SIZE.small;
}
const name = React.useId();
return /*#__PURE__*/React.createElement(Root, _extends({
$kind: kind,
role: "radiogroup",
"aria-label": ariaLabel || 'page control'
}, RootProps), Array.from({
length: numPages
}, (_, i) => {
const page = i + 1;
return /*#__PURE__*/React.createElement(Dot, _extends({
$active: isActive(page),
$kind: kind,
$disabled: disabled,
$isVisible: isVisible(page),
$size: getSize(page),
checked: isActive(page),
key: page,
"aria-label": `page ${page}`,
name: name,
onChange: () => onPageChange({
nextPage: page
}),
tabIndex: isActive(page) ? 0 : -1,
type: "radio"
}, DotProps));
}));
};
var _default = exports.default = PageControl;