@tamagui/react-native-web-lite/dist/cjs/vendor/react-native/VirtualizedList/ChildListCollection.js

React Native for Web

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: !0 });
}, __copyProps = (to, from, except, desc) => {
  if (from && typeof from == "object" || typeof from == "function")
    for (let key of __getOwnPropNames(from))
      !__hasOwnProp.call(to, key) && key !== except && __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: !0 }), mod);
var ChildListCollection_exports = {};
__export(ChildListCollection_exports, {
  default: () => ChildListCollection
});
module.exports = __toCommonJS(ChildListCollection_exports);
var import_react_native_web_internals = require("@tamagui/react-native-web-internals");
class ChildListCollection {
  _cellKeyToChildren = /* @__PURE__ */ new Map();
  _childrenToCellKey = /* @__PURE__ */ new Map();
  add(list, cellKey) {
    (0, import_react_native_web_internals.invariant)(
      !this._childrenToCellKey.has(list),
      "Trying to add already present child list"
    );
    const cellLists = this._cellKeyToChildren.get(cellKey) ?? /* @__PURE__ */ new Set();
    cellLists.add(list), this._cellKeyToChildren.set(cellKey, cellLists), this._childrenToCellKey.set(list, cellKey);
  }
  remove(list) {
    const cellKey = this._childrenToCellKey.get(list);
    (0, import_react_native_web_internals.invariant)(cellKey != null, "Trying to remove non-present child list"), this._childrenToCellKey.delete(list);
    const cellLists = this._cellKeyToChildren.get(cellKey);
    (0, import_react_native_web_internals.invariant)(cellLists, "_cellKeyToChildren should contain cellKey"), cellLists.delete(list), cellLists.size === 0 && this._cellKeyToChildren.delete(cellKey);
  }
  forEach(fn) {
    for (const listSet of this._cellKeyToChildren.values())
      for (const list of listSet)
        fn(list);
  }
  forEachInCell(cellKey, fn) {
    const listSet = this._cellKeyToChildren.get(cellKey) ?? [];
    for (const list of listSet)
      fn(list);
  }
  anyInCell(cellKey, fn) {
    const listSet = this._cellKeyToChildren.get(cellKey) ?? [];
    for (const list of listSet)
      if (fn(list))
        return !0;
    return !1;
  }
  size() {
    return this._childrenToCellKey.size;
  }
}
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