@lobehub/editor
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A powerful and extensible rich text editor built on Meta's Lexical framework, providing a modern editing experience with React integration.
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JavaScript
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
import { useEffect, useMemo, useState } from 'react';
import { useWidth } from "../../hooks/useSize";
export var useDisplayActionCount = function useDisplayActionCount() {
var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
_ref$items = _ref.items,
items = _ref$items === void 0 ? [] : _ref$items,
_ref$collapseOffset = _ref.collapseOffset,
collapseOffset = _ref$collapseOffset === void 0 ? 0 : _ref$collapseOffset,
autoCollapse = _ref.autoCollapse;
var _useWidth = useWidth(),
ref = _useWidth.ref,
width = _useWidth.width;
var _useState = useState(false),
_useState2 = _slicedToArray(_useState, 2),
collapsed = _useState2[0],
setCollapsed = _useState2[1];
var flatItems = useMemo(function () {
return items.flatMap(function (item) {
if (item.type === 'collapse' && item.children) {
return item.children;
}
return item;
}).filter(function (item) {
return item.type !== 'divider';
});
}, [items]);
var alwaysDisplayCount = useMemo(function () {
return items.filter(function (item) {
return item.alwaysDisplay;
}).length;
}, [items]);
var rawMaxCount = useMemo(function () {
return flatItems.length + 1;
}, [flatItems.length]);
var _useState3 = useState(rawMaxCount),
_useState4 = _slicedToArray(_useState3, 2),
maxCount = _useState4[0],
setMaxCount = _useState4[1];
useEffect(function () {
if (!autoCollapse) {
setCollapsed(false);
setMaxCount(rawMaxCount);
return;
}
if (!width) return;
var atLeastCount = 1 + alwaysDisplayCount;
var calcMaxCount = Math.floor((width - collapseOffset) / 38);
if (calcMaxCount < atLeastCount) calcMaxCount = atLeastCount;
setCollapsed(calcMaxCount < rawMaxCount);
if (calcMaxCount >= rawMaxCount) return;
setMaxCount(calcMaxCount);
}, [autoCollapse, width, rawMaxCount, collapseOffset, alwaysDisplayCount]);
return useMemo(function () {
return {
collapsed: collapsed,
maxCount: maxCount,
ref: ref
};
}, [collapsed, maxCount, ref]);
};