vscroll/dist/esm5/classes/adapter/wanted.js

Virtual scroll engine

import { AdapterPropName } from './props';
var getBox = function (id) {
  var _a;
  return (_a = wantedStorage.get(id || -1)) === null || _a === void 0 ? void 0 : _a.box;
};
var setBox = function (_a, id) {
  var name = _a.name, wanted = _a.wanted;
  var Wanted = wantedStorage.get(id || -1);
  if (wanted && Wanted && !Wanted.box[name] && !Wanted.block) {
    var a = AdapterPropName.firstVisible, a$ = AdapterPropName.firstVisible$;
    var b = AdapterPropName.lastVisible, b$ = AdapterPropName.lastVisible$;
    Wanted.box[a] = Wanted.box[a$] = [a, a$].some(function (n) { return n === name; }) || Wanted.box[a];
    Wanted.box[b] = Wanted.box[b$] = [b, b$].some(function (n) { return n === name; }) || Wanted.box[b];
    return true;
  }
  return false;
};
var setBlock = function (value, id) {
  var Wanted = wantedStorage.get(id || -1);
  if (Wanted) {
    Wanted.block = value;
  }
};
export var wantedUtils = {
  getBox: getBox,
  setBox: setBox,
  setBlock: setBlock
};
export var wantedStorage = new Map();
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