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

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: true
  });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from)) if (!__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: true
}), mod);
var ChildListCollection_exports = {};
__export(ChildListCollection_exports, {
  ChildListCollection: () => ChildListCollection,
  default: () => ChildListCollection_default
});
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);
    if (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 true;
      }
    }
    return false;
  }
  size() {
    return this._childrenToCellKey.size;
  }
}
var ChildListCollection_default = ChildListCollection;