dumi
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📖 Documentation Generator of React Component
115 lines (112 loc) • 5.2 kB
JavaScript
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$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
import deepmerge from 'deepmerge';
import { getRouteMetaById, matchRoutes, useAppData, useLocation, useRouteData } from 'dumi';
import { useCallback, useState } from 'react';
import { useIsomorphicLayoutEffect } from "./utils";
var cache = new Map();
var asyncCache = new Map();
var EMPTY_META = {
frontmatter: {},
toc: [],
texts: []
};
var ASYNC_META_PROPS = ['texts'];
function getCachedRouteMeta(route) {
var cacheKey = route.id;
if (!cache.get(cacheKey)) {
var _meta$tabs;
var merge = function merge() {
var meta = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : EMPTY_META;
if (route.meta) {
Object.keys(route.meta).forEach(function (key) {
var _ref, _ref$key;
(_ref$key = (_ref = meta)[key]) !== null && _ref$key !== void 0 ? _ref$key : _ref[key] = route.meta[key];
});
meta.frontmatter = deepmerge(meta.frontmatter, route.meta.frontmatter, {
arrayMerge: function arrayMerge(_destinationArray, sourceArray) {
return sourceArray;
}
});
}
return meta;
};
var meta = merge(getRouteMetaById(route.id, {
syncOnly: true
}));
var proxyGetter = function proxyGetter(target, prop) {
if (ASYNC_META_PROPS.includes(prop)) {
if (!asyncCache.get(cacheKey)) {
var routeMetaPromise = getRouteMetaById(route.id);
// load async meta then replace cache
if (routeMetaPromise) {
asyncCache.set(cacheKey, routeMetaPromise.then(function (full) {
return cache.set(cacheKey, merge(full)).get(cacheKey);
}));
}
}
// throw promise to trigger suspense
var currentCache = asyncCache.get(cacheKey);
if (currentCache) {
throw currentCache;
}
}
return target[prop];
};
// load async meta if property accessed
(_meta$tabs = meta.tabs) === null || _meta$tabs === void 0 || _meta$tabs.forEach(function (tab) {
tab.meta = new Proxy(tab.meta, {
get: proxyGetter
});
});
var ret = new Proxy(meta, {
get: proxyGetter
});
cache.set(cacheKey, ret);
}
return cache.get(cacheKey);
}
/**
* hook for get matched route
* @internal internal use. Do not use in your production code.
*/
export var useMatchedRoute = function useMatchedRoute() {
var _useRouteData = useRouteData(),
route = _useRouteData.route;
var _useLocation = useLocation(),
pathname = _useLocation.pathname;
var _useAppData = useAppData(),
clientRoutes = _useAppData.clientRoutes;
var getter = useCallback(function () {
var ret;
if (route.path === pathname && !('isLayout' in route)) {
// use `useRouteData` result if matched, for performance
ret = route;
} else {
var _matchRoutes;
// match manually for dynamic route & layout component
var matched = (_matchRoutes = matchRoutes(clientRoutes, pathname)) === null || _matchRoutes === void 0 ? void 0 : _matchRoutes.pop();
ret = matched === null || matched === void 0 ? void 0 : matched.route;
}
return ret;
}, [clientRoutes.length, pathname]);
var _useState = useState(getter),
_useState2 = _slicedToArray(_useState, 2),
matchedRoute = _useState2[0],
setMatchedRoute = _useState2[1];
useIsomorphicLayoutEffect(function () {
setMatchedRoute(getter);
}, [clientRoutes.length, pathname]);
return matchedRoute;
};
/**
* hook for get matched route meta
*/
export var useRouteMeta = function useRouteMeta() {
var route = useMatchedRoute();
return getCachedRouteMeta(route);
};