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113
backend/frontend/node_modules/@restart/ui/esm/Nav.js
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113
backend/frontend/node_modules/@restart/ui/esm/Nav.js
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const _excluded = ["as", "onSelect", "activeKey", "role", "onKeyDown"];
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function _objectWithoutPropertiesLoose(r, e) { if (null == r) return {}; var t = {}; for (var n in r) if ({}.hasOwnProperty.call(r, n)) { if (e.indexOf(n) >= 0) continue; t[n] = r[n]; } return t; }
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import qsa from 'dom-helpers/querySelectorAll';
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import * as React from 'react';
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import { useContext, useEffect, useRef } from 'react';
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import useForceUpdate from '@restart/hooks/useForceUpdate';
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import useMergedRefs from '@restart/hooks/useMergedRefs';
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import NavContext from './NavContext';
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import SelectableContext, { makeEventKey } from './SelectableContext';
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import TabContext from './TabContext';
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import { dataAttr, dataProp } from './DataKey';
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import NavItem from './NavItem';
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import { jsx as _jsx } from "react/jsx-runtime";
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// eslint-disable-next-line @typescript-eslint/no-empty-function
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const noop = () => {};
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const EVENT_KEY_ATTR = dataAttr('event-key');
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const Nav = /*#__PURE__*/React.forwardRef((_ref, ref) => {
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let {
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// Need to define the default "as" during prop destructuring to be compatible with styled-components github.com/react-bootstrap/react-bootstrap/issues/3595
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as: Component = 'div',
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onSelect,
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activeKey,
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role,
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onKeyDown
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} = _ref,
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props = _objectWithoutPropertiesLoose(_ref, _excluded);
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// A ref and forceUpdate for refocus, b/c we only want to trigger when needed
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// and don't want to reset the set in the effect
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const forceUpdate = useForceUpdate();
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const needsRefocusRef = useRef(false);
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const parentOnSelect = useContext(SelectableContext);
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const tabContext = useContext(TabContext);
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let getControlledId, getControllerId;
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if (tabContext) {
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role = role || 'tablist';
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activeKey = tabContext.activeKey;
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// TODO: do we need to duplicate these?
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getControlledId = tabContext.getControlledId;
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getControllerId = tabContext.getControllerId;
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}
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const listNode = useRef(null);
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const getNextActiveTab = offset => {
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const currentListNode = listNode.current;
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if (!currentListNode) return null;
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const items = qsa(currentListNode, `[${EVENT_KEY_ATTR}]:not([aria-disabled=true])`);
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const activeChild = currentListNode.querySelector('[aria-selected=true]');
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if (!activeChild || activeChild !== document.activeElement) return null;
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const index = items.indexOf(activeChild);
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if (index === -1) return null;
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let nextIndex = index + offset;
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if (nextIndex >= items.length) nextIndex = 0;
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if (nextIndex < 0) nextIndex = items.length - 1;
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return items[nextIndex];
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};
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const handleSelect = (key, event) => {
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if (key == null) return;
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onSelect == null ? void 0 : onSelect(key, event);
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parentOnSelect == null ? void 0 : parentOnSelect(key, event);
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};
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const handleKeyDown = event => {
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onKeyDown == null ? void 0 : onKeyDown(event);
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if (!tabContext) {
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return;
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}
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let nextActiveChild;
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switch (event.key) {
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case 'ArrowLeft':
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case 'ArrowUp':
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nextActiveChild = getNextActiveTab(-1);
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break;
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case 'ArrowRight':
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case 'ArrowDown':
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nextActiveChild = getNextActiveTab(1);
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break;
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default:
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return;
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}
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if (!nextActiveChild) return;
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event.preventDefault();
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handleSelect(nextActiveChild.dataset[dataProp('EventKey')] || null, event);
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needsRefocusRef.current = true;
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forceUpdate();
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};
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useEffect(() => {
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if (listNode.current && needsRefocusRef.current) {
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const activeChild = listNode.current.querySelector(`[${EVENT_KEY_ATTR}][aria-selected=true]`);
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activeChild == null ? void 0 : activeChild.focus();
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}
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needsRefocusRef.current = false;
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});
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const mergedRef = useMergedRefs(ref, listNode);
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return /*#__PURE__*/_jsx(SelectableContext.Provider, {
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value: handleSelect,
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children: /*#__PURE__*/_jsx(NavContext.Provider, {
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value: {
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role,
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// used by NavLink to determine it's role
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activeKey: makeEventKey(activeKey),
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getControlledId: getControlledId || noop,
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getControllerId: getControllerId || noop
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},
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children: /*#__PURE__*/_jsx(Component, Object.assign({}, props, {
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onKeyDown: handleKeyDown,
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ref: mergedRef,
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role: role
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}))
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})
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});
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});
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Nav.displayName = 'Nav';
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export default Object.assign(Nav, {
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Item: NavItem
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});
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