@sendbird/uikit-react-native
Version:
Sendbird UIKit for React Native: A feature-rich and customizable chat UI kit with messaging, channel management, and user authentication.
73 lines (72 loc) • 3.42 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _react = _interopRequireWildcard(require("react"));
var _reactNative = require("react-native");
var _uikitReactNativeFoundation = require("@sendbird/uikit-react-native-foundation");
var _uikitUtils = require("@sendbird/uikit-utils");
var _FlatListInternal = _interopRequireDefault(require("../ChatFlatList/FlatListInternal"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function (e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != typeof e && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (const t in e) "default" !== t && {}.hasOwnProperty.call(e, t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, t)) && (i.get || i.set) ? o(f, t, i) : f[t] = e[t]); return f; })(e, t); }
function _extends() { return _extends = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends.apply(null, arguments); }
const BOTTOM_DETECT_THRESHOLD = 50;
const UNREACHABLE_THRESHOLD = Number.MIN_SAFE_INTEGER;
const ThreadChatFlatList = /*#__PURE__*/(0, _react.forwardRef)(function ThreadChatFlatList({
onTopReached,
onBottomReached,
onScrolledAwayFromBottom,
onScroll,
...props
}, ref) {
const {
select
} = (0, _uikitReactNativeFoundation.useUIKitTheme)();
const contentOffsetY = (0, _react.useRef)(0);
const _onScroll = (0, _uikitUtils.useFreshCallback)(event => {
onScroll === null || onScroll === void 0 || onScroll(event);
const {
contentOffset,
contentSize,
layoutMeasurement
} = event.nativeEvent;
const prevOffsetY = contentOffsetY.current;
const currOffsetY = contentOffset.y;
const bottomDetectThreshold = contentSize.height - layoutMeasurement.height - BOTTOM_DETECT_THRESHOLD;
if (bottomDetectThreshold < prevOffsetY && currOffsetY <= bottomDetectThreshold) {
onScrolledAwayFromBottom(true);
} else if (bottomDetectThreshold < currOffsetY && prevOffsetY <= bottomDetectThreshold) {
onScrolledAwayFromBottom(false);
}
contentOffsetY.current = contentOffset.y;
});
return /*#__PURE__*/_react.default.createElement(_FlatListInternal.default, _extends({
bounces: false,
removeClippedSubviews: true,
keyboardDismissMode: 'on-drag',
keyboardShouldPersistTaps: 'handled',
indicatorStyle: select({
light: 'black',
dark: 'white'
})
}, props, {
ref: ref,
onEndReached: onBottomReached,
onScrollToIndexFailed: _uikitUtils.NOOP,
onStartReached: onTopReached,
scrollEventThrottle: 16,
onScroll: _onScroll,
keyExtractor: _uikitUtils.getMessageUniqId,
style: {
flex: 1,
..._reactNative.StyleSheet.flatten(props.style)
},
maintainVisibleContentPosition: {
minIndexForVisible: 0,
autoscrollToTopThreshold: UNREACHABLE_THRESHOLD
}
}));
});
var _default = exports.default = ThreadChatFlatList;
//# sourceMappingURL=index.js.map