stream-chat-react-native-core/lib/module/components/ChannelList/hooks/utils/index.js

The official React Native and Expo components for Stream Chat, a service for building chat applications

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.extractSortValue = void 0;
exports.findLastPinnedChannelIndex = findLastPinnedChannelIndex;
exports.findPinnedAtSortOrder = findPinnedAtSortOrder;
exports.shouldConsiderPinnedChannels = exports.shouldConsiderArchivedChannels = exports.isChannelPinned = exports.isChannelArchived = void 0;
var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
function _createForOfIteratorHelperLoose(r, e) { var t = "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (t) return (t = t.call(r)).next.bind(t); if (Array.isArray(r) || (t = _unsupportedIterableToArray(r)) || e && r && "number" == typeof r.length) { t && (r = t); var o = 0; return function () { return o >= r.length ? { done: !0 } : { done: !1, value: r[o++] }; }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
var isChannelPinned = channel => {
  if (!channel) {
    return false;
  }
  var member = channel.state.membership;
  return !!(member != null && member.pinned_at);
};
exports.isChannelPinned = isChannelPinned;
var isChannelArchived = channel => {
  if (!channel) {
    return false;
  }
  var member = channel.state.membership;
  return !!(member != null && member.archived_at);
};
exports.isChannelArchived = isChannelArchived;
var shouldConsiderArchivedChannels = filters => {
  if (!filters) {
    return false;
  }
  return typeof filters.archived === 'boolean';
};
exports.shouldConsiderArchivedChannels = shouldConsiderArchivedChannels;
var extractSortValue = ({
  atIndex,
  sort,
  targetKey
}) => {
  var _option$targetKey, _option;
  if (!sort) {
    return null;
  }
  var option = null;
  if (Array.isArray(sort)) {
    var _sort$atIndex;
    option = (_sort$atIndex = sort[atIndex]) != null ? _sort$atIndex : null;
  } else {
    var index = 0;
    for (var key in sort) {
      if (index !== atIndex) {
        index++;
        continue;
      }
      if (key !== targetKey) {
        return null;
      }
      option = sort;
      break;
    }
  }
  return (_option$targetKey = (_option = option) == null ? void 0 : _option[targetKey]) != null ? _option$targetKey : null;
};
exports.extractSortValue = extractSortValue;
var shouldConsiderPinnedChannels = sort => {
  var value = extractSortValue({
    atIndex: 0,
    sort,
    targetKey: 'pinned_at'
  });
  if (typeof value !== 'number') {
    return false;
  }
  return Math.abs(value) === 1;
};
exports.shouldConsiderPinnedChannels = shouldConsiderPinnedChannels;
function findPinnedAtSortOrder({
  sort
}) {
  if (!sort) {
    return null;
  }
  if (Array.isArray(sort)) {
    var _sort = (0, _slicedToArray2.default)(sort, 1),
      option = _sort[0];
    if (!(option != null && option.pinned_at)) {
      return null;
    }
    return option.pinned_at;
  } else {
    if (!sort.pinned_at) {
      return null;
    }
    return sort.pinned_at;
  }
}
function findLastPinnedChannelIndex({
  channels
}) {
  var lastPinnedChannelIndex = null;
  for (var _iterator = _createForOfIteratorHelperLoose(channels), _step; !(_step = _iterator()).done;) {
    var channel = _step.value;
    if (!isChannelPinned(channel)) {
      break;
    }
    if (typeof lastPinnedChannelIndex === 'number') {
      lastPinnedChannelIndex++;
    } else {
      lastPinnedChannelIndex = 0;
    }
  }
  return lastPinnedChannelIndex;
}
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