woocommerce/plugins/woocommerce-admin/client/navigation/utils.ts

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/**
* External dependencies
*/
import { getAdminLink } from '@woocommerce/settings';
type MenuId = 'primary' | 'favorites' | 'plugins' | 'secondary';
interface Item {
id: string;
matchExpression: string;
url: string;
order: number;
title: string;
parent: string;
menuId: MenuId;
capability: string;
isCategory: boolean;
}
interface Category {
id: string;
isCategory: boolean;
menuId: MenuId;
migrate: boolean;
order: number;
parent: string;
title: string;
primary?: Item[];
favorites?: Item[];
plugins?: Item[];
secondary?: Item[];
}
/**
* Get the full URL if a relative path is passed.
*/
export const getFullUrl = ( url: string ): string => {
if ( url.indexOf( 'http' ) === 0 ) {
return url;
}
return getAdminLink( url );
};
/**
* Get a default regex expression to match the path and provided params.
*/
export const getDefaultMatchExpression = ( url: string ): string => {
const escapedUrl = url.replace( /[-\/\\^$*+?.()|[\]{}]/gi, '\\$&' );
const [ path, args, hash ] = escapedUrl.split( /\\\?|#/ );
const hashExpression = hash ? `(.*#${ hash }$)` : '';
const argsExpression = args
? args.split( '&' ).reduce( ( acc, param ) => {
return `${ acc }(?=.*[?|&]${ param }(&|$|#))`;
}, '' )
: '';
return '^' + path + argsExpression + hashExpression;
};
/**
* Get a match score for a menu item given a location.
*/
export const getMatchScore = (
location: Location,
itemUrl: string,
itemExpression: string | null = null
): number => {
if ( ! itemUrl ) {
return 0;
}
const fullUrl = getFullUrl( itemUrl );
const { href } = location;
// Return highest possible score for exact match.
if ( fullUrl === href ) {
return Number.MAX_SAFE_INTEGER;
}
const defaultExpression = getDefaultMatchExpression( fullUrl );
const regexp = new RegExp( itemExpression || defaultExpression, 'i' );
return ( decodeURIComponent( href ).match( regexp ) || [] ).length;
};
interface wcNavigation {
menuItems: Item[];
rootBackLabel: string;
rootBackUrl: string;
historyPatched: boolean;
}
declare global {
interface Window {
wcNavigation: wcNavigation;
}
}
interface wcNavigation {
menuItems: Item[];
rootBackLabel: string;
rootBackUrl: string;
historyPatched: boolean;
}
declare global {
interface Window {
wcNavigation: wcNavigation;
}
}
/**
* Get the closest matching item.
*
* @param {Array} items An array of items to match against.
*/
export const getMatchingItem = ( items: Item[] ): Item | null => {
let matchedItem = null;
let highestMatchScore = 0;
items.forEach( ( item ) => {
const score = getMatchScore(
window.location,
item.url,
item.matchExpression
);
if ( score > 0 && score >= highestMatchScore ) {
highestMatchScore = score;
matchedItem = item;
}
} );
return matchedItem || null;
};
/**
* Available menu IDs.
*/
export const menuIds: MenuId[] = [
'primary',
'favorites',
'plugins',
'secondary',
];
interface Category {
id: string;
isCategory: boolean;
menuId: MenuId;
migrate: boolean;
order: number;
parent: string;
title: string;
primary?: Item[];
favorites?: Item[];
plugins?: Item[];
secondary?: Item[];
}
/**
* Default categories for the menu.
*/
export const defaultCategories: {
[ key: string ]: Category;
} = {
woocommerce: {
id: 'woocommerce',
isCategory: true,
menuId: 'primary',
migrate: true,
order: 10,
parent: '',
title: 'WooCommerce',
},
};
/**
* Sort an array of menu items by their order property.
*
* @param {Array} menuItems Array of menu items.
* @return {Array} Sorted menu items.
*/
export const sortMenuItems = ( menuItems: Item[] ): Item[] => {
return menuItems.sort( ( a, b ) => {
if ( a.order === b.order ) {
return a.title.localeCompare( b.title );
}
return a.order - b.order;
} );
};
/**
* Get a flat tree structure of all Categories and thier children grouped by menuId
*
* @param {Array} menuItems Array of menu items.
* @param {Function} currentUserCan Callback method passed the capability to determine if a menu item is visible.
* @return {Object} Mapped menu items and categories.
*/
export const getMappedItemsCategories = (
menuItems: Item[],
currentUserCan: ( capability: string ) => boolean
): {
items: Record< string, Category | Record< string, Item[] > >;
categories: Record< string, Category | Item >;
} => {
const categories: {
[ key: string ]: Category | Item;
} = { ...defaultCategories };
const items = sortMenuItems( menuItems ).reduce(
(
acc: {
[ key: string ]: Category | { [ key: string ]: Item[] };
},
item: Item
) => {
// Set up the category if it doesn't yet exist.
if ( ! acc[ item.parent ] ) {
acc[ item.parent ] = {};
menuIds.forEach( ( menuId ) => {
acc[ item.parent ][ menuId ] = [];
} );
}
// Incorrect menu ID.
if ( ! acc[ item.parent ][ item.menuId ] ) {
return acc;
}
// User does not have permission to view this item.
if (
currentUserCan &&
item.capability &&
! currentUserCan( item.capability )
) {
return acc;
}
// Add categories.
if ( item.isCategory ) {
categories[ item.id ] = item;
}
const menuIdArray = acc[ item.parent ][ item.menuId ];
if ( menuIdArray ) {
menuIdArray.push( item );
}
return acc;
},
{}
);
return {
items,
categories,
};
};