expo-router
Version:
Expo Router is a file-based router for React Native and web applications.
141 lines • 5.37 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.defaultRouteInfo = void 0;
exports.getRouteInfoFromState = getRouteInfoFromState;
const constants_1 = require("../constants");
const getPathFromState_forks_1 = require("../fork/getPathFromState-forks");
exports.defaultRouteInfo = {
unstable_globalHref: '',
searchParams: new URLSearchParams(),
pathname: '/',
params: {},
segments: [],
pathnameWithParams: '/',
// TODO: Remove this, it is not used anywhere
isIndex: false,
};
function getRouteInfoFromState(state) {
if (!state)
return exports.defaultRouteInfo;
let route = state.routes[0];
if (route.name !== constants_1.INTERNAL_SLOT_NAME) {
throw new Error(`Expected the first route to be ${constants_1.INTERNAL_SLOT_NAME}, but got ${route.name}`);
}
state = route.state;
const segments = [];
const params = Object.create(null);
while (state) {
route = state.routes['index' in state && state.index ? state.index : 0];
Object.assign(params, route.params);
let routeName = route.name;
if (routeName.startsWith('/')) {
routeName = routeName.slice(1);
}
segments.push(...routeName.split('/'));
state = route.state;
}
/**
* If React Navigation didn't render the entire tree (e.g it was interrupted in a layout)
* then the state maybe incomplete. The reset of the path is in the params, instead of being a route
*/
let routeParams = route.params;
while (routeParams && 'screen' in routeParams) {
if (typeof routeParams.screen === 'string') {
const screen = routeParams.screen.startsWith('/')
? routeParams.screen.slice(1)
: routeParams.screen;
segments.push(...screen.split('/'));
}
if (typeof routeParams.params === 'object' && !Array.isArray(routeParams.params)) {
routeParams = routeParams.params;
}
else {
routeParams = undefined;
}
}
if (route.params && 'screen' in route.params && route.params.screen === 'string') {
const screen = route.params.screen.startsWith('/')
? route.params.screen.slice(1)
: route.params.screen;
segments.push(...screen.split('/'));
}
if (segments[segments.length - 1] === 'index') {
segments.pop();
}
delete params['screen'];
delete params['params'];
const pathParams = new Set();
const pathname = '/' +
segments
.filter((segment) => {
return !(segment.startsWith('(') && segment.endsWith(')'));
})
.flatMap((segment) => {
if (segment === '+not-found') {
const notFoundPath = params['not-found'];
pathParams.add('not-found');
if (typeof notFoundPath === 'undefined') {
// Not founds are optional, do nothing if its not present
return [];
}
else if (Array.isArray(notFoundPath)) {
return notFoundPath;
}
else {
return [notFoundPath];
}
}
else if (segment.startsWith('[...') && segment.endsWith(']')) {
let paramName = segment.slice(4, -1);
// Legacy for React Navigation optional params
if (paramName.endsWith('?')) {
paramName = paramName.slice(0, -1);
}
const values = params[paramName];
pathParams.add(paramName);
// Catchall params are optional
return values || [];
}
else if (segment.startsWith('[') && segment.endsWith(']')) {
const paramName = segment.slice(1, -1);
const value = params[paramName];
pathParams.add(paramName);
// Optional params are optional
return value ? [value] : [];
}
else {
return [segment];
}
})
.join('/');
const searchParams = new URLSearchParams(Object.entries(params).flatMap(([key, value]) => {
// Search params should not include path params
if (pathParams.has(key)) {
return [];
}
else if (Array.isArray(value)) {
return value.map((v) => [key, v]);
}
return [[key, value]];
}));
let hash;
if (searchParams.has('#')) {
hash = searchParams.get('#') || undefined;
searchParams.delete('#');
}
// We cannot use searchParams.size because it is not included in the React Native polyfill
const searchParamString = searchParams.toString();
let pathnameWithParams = searchParamString ? pathname + '?' + searchParamString : pathname;
pathnameWithParams = hash ? pathnameWithParams + '#' + hash : pathnameWithParams;
return {
segments,
pathname,
params,
unstable_globalHref: (0, getPathFromState_forks_1.appendBaseUrl)(pathnameWithParams),
searchParams,
pathnameWithParams,
// TODO: Remove this, it is not used anywhere
isIndex: false,
};
}
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