botframework-webchat-component/lib/hooks/useObserveScrollPosition.js

React component of botframework-webchat

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = useObserveScrollPosition;
var _react = require("react");
var _useWebChatUIContext2 = _interopRequireDefault(require("./internal/useWebChatUIContext"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread 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 _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
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 useObserveScrollPosition(observer, deps) {
  if (typeof observer !== 'function') {
    observer = undefined;
    console.warn('botframework-webchat: First argument passed to "useObserveScrollPosition" must be a function.');
  } else if (typeof deps !== 'undefined' && !Array.isArray(deps)) {
    console.warn('botframework-webchat: Second argument passed to "useObserveScrollPosition" must be an array if specified.');
  }
  var _useWebChatUIContext = (0, _useWebChatUIContext2.default)(),
    observeScrollPosition = _useWebChatUIContext.observeScrollPosition;

  /* eslint-disable-next-line react-hooks/exhaustive-deps */
  (0, _react.useEffect)(function () {
    return observer && observeScrollPosition(observer);
  }, [].concat(_toConsumableArray(deps || []), [observer, observeScrollPosition]));
}
//# sourceMappingURL=data:application/json;charset=utf-8;base64,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