@twreporter/universal-header
Version:
Universal header of TWReporter sites
142 lines (141 loc) • 8.79 kB
JavaScript
;
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = void 0;
var _react = _interopRequireWildcard(require("react"));
var _reactRedux = require("react-redux");
var _headerContext = _interopRequireDefault(require("../contexts/header-context"));
var _propTypes = require("../constants/prop-types");
var _header = _interopRequireDefault(require("../components/header"));
var _get = _interopRequireDefault(require("lodash/get"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { "default": e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n["default"] = e, t && t.set(e, n), n; }
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure 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 _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 _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t["return"] && (u = t["return"](), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; } // constant
// Header
// lodash
var _ = {
get: _get["default"]
};
var HIDE_HEADER_THRESHOLD = 8;
var TRANSFORM_HEADER_THRESHOLD = 40;
var TRANSFORM_TIMEOUT = 800;
var Container = function Container(_ref) {
var releaseBranch = _ref.releaseBranch,
isLinkExternal = _ref.isLinkExternal,
theme = _ref.theme,
pathname = _ref.pathname,
referrerPath = _ref.referrerPath,
hamburgerContext = _ref.hamburgerContext;
var _useState = (0, _react.useState)(false),
_useState2 = _slicedToArray(_useState, 2),
toUseNarrow = _useState2[0],
setToUseNarrow = _useState2[1];
var _useState3 = (0, _react.useState)(false),
_useState4 = _slicedToArray(_useState3, 2),
hideHeader = _useState4[0],
setHideHeader = _useState4[1];
var isAuthed = (0, _reactRedux.useSelector)(function (state) {
return _.get(state, 'auth.isAuthed', false);
});
var lastKnownPageYOffset = (0, _react.useRef)(0);
var ticking = (0, _react.useRef)(false);
var currentY = (0, _react.useRef)(0);
var readyY = (0, _react.useRef)(0);
var isTransforming = (0, _react.useRef)(false);
var transformTimer = (0, _react.useRef)(null);
var getScrollState = (0, _react.useCallback)(function (scrollTop, scrollDirection) {
var isCurrentNarrow = toUseNarrow;
var nextToUseNarrow = scrollTop > TRANSFORM_HEADER_THRESHOLD;
var scrollState = {
toUseNarrow: toUseNarrow,
hideHeader: hideHeader
};
if (isTransforming.current) {
return scrollState;
}
if (scrollDirection === 'up') {
readyY.current = scrollTop;
scrollState.hideHeader = false;
}
if (scrollDirection === 'down') {
if (isCurrentNarrow && scrollTop - readyY.current > HIDE_HEADER_THRESHOLD) {
scrollState.hideHeader = true;
}
}
if (isCurrentNarrow) {
scrollState.toUseNarrow = scrollDirection === 'down' ? true : nextToUseNarrow;
} else {
scrollState.toUseNarrow = scrollDirection === 'up' ? false : nextToUseNarrow;
}
if (isCurrentNarrow !== scrollState.toUseNarrow) {
if (!transformTimer.current) {
isTransforming.current = true;
transformTimer.current = setTimeout(function () {
isTransforming.current = false;
readyY.current = currentY.current;
transformTimer.current = null;
}, TRANSFORM_TIMEOUT);
}
}
return scrollState;
}, [toUseNarrow, hideHeader]);
var updateScrollState = (0, _react.useCallback)(function (currentScrollTop) {
var scrollDirection = currentScrollTop > currentY.current ? 'down' : 'up';
currentY.current = currentScrollTop;
var updateState = getScrollState(currentScrollTop, scrollDirection);
setToUseNarrow(function () {
return updateState.toUseNarrow;
});
setHideHeader(function () {
return updateState.hideHeader;
});
}, [getScrollState]);
var handleScroll = (0, _react.useCallback)(function () {
lastKnownPageYOffset.current = window.pageYOffset;
if (!ticking.current) {
window.requestAnimationFrame(function () {
updateScrollState(lastKnownPageYOffset.current);
ticking.current = false;
});
ticking.current = true;
}
}, [updateScrollState]);
(0, _react.useEffect)(function () {
window.addEventListener('scroll', handleScroll, {
passive: true
});
return function () {
window.removeEventListener('scroll', handleScroll);
};
}, [handleScroll]);
var contextValue = {
releaseBranch: releaseBranch,
isAuthed: isAuthed,
isLinkExternal: isLinkExternal,
theme: theme,
pathname: pathname,
referrerPath: referrerPath,
toUseNarrow: toUseNarrow,
hideHeader: hideHeader
};
return /*#__PURE__*/_react["default"].createElement(_headerContext["default"].Provider, {
value: contextValue
}, /*#__PURE__*/_react["default"].createElement(_header["default"], {
hamburgerContext: hamburgerContext
}));
};
Container.propTypes = _objectSpread({}, _propTypes.CONTEXT_PROP.propTypes);
var _default = exports["default"] = Container;