const insertFormatNodesIntoCaretContainer = function (formatNodes, caretContainer) {
const innerMostFormatNode = Arr.foldr(formatNodes, function (parentNode, formatNode) {
return appendNode(parentNode, formatNode.cloneNode(false));
}, caretContainer);
return appendNode(innerMostFormatNode, innerMostFormatNode.ownerDocument.createTextNode(ZWSP));
};
const expand = function (items) {
return Arr.foldr(items, function (acc, item) {
const newData = getFromItem(item);
return {
menus: Merger.deepMerge(acc.menus, newData.menus),
items: [ newData.item ].concat(acc.items),
expansions: Merger.deepMerge(acc.expansions, newData.expansions)
};
}, {
menus: { },
expansions: { },
items: [ ]
});
};
const expand = (items: string | Array<string | SingleMenuItemApi>, menuItems: MenuItemRegistry) => {
const realItems = unwrapReferences(Type.isString(items) ? items.split(' ') : items, menuItems);
return Arr.foldr(realItems, (acc, item) => {
const itemWithValue = generateValueIfRequired(item);
const newData = getFromItem(itemWithValue, menuItems);
return {
menus: Merger.deepMerge(acc.menus, newData.menus),
items: [ newData.item ].concat(acc.items),
expansions: Merger.deepMerge(acc.expansions, newData.expansions)
};
}, {
menus: { },
expansions: { },
items: [ ]
});
};