expo-router
Version:
Expo Router is a file-based router for React Native and web applications.
72 lines • 3.22 kB
JavaScript
;
'use client';
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.Screen = Screen;
exports.isScreen = isScreen;
const react_1 = __importStar(require("react"));
const useNavigation_1 = require("../useNavigation");
const useLayoutEffect = typeof window !== 'undefined' ? react_1.default.useLayoutEffect : function () { };
/** Component for setting the current screen's options dynamically. */
function Screen({ name, options }) {
const navigation = (0, useNavigation_1.useNavigation)(name);
useLayoutEffect(() => {
if (options &&
// React Navigation will infinitely loop in some cases if an empty object is passed to setOptions.
// https://github.com/expo/router/issues/452
Object.keys(options).length) {
navigation.setOptions(options);
}
}, [navigation, options]);
return null;
}
function isScreen(child, contextKey) {
if ((0, react_1.isValidElement)(child) && child && child.type === Screen) {
if (typeof child.props === 'object' &&
child.props &&
'name' in child.props &&
!child.props.name) {
throw new Error(`<Screen /> component in \`default export\` at \`app${contextKey}/_layout\` must have a \`name\` prop when used as a child of a Layout Route.`);
}
if (process.env.NODE_ENV !== 'production') {
if (['children', 'component', 'getComponent'].some((key) => child.props && typeof child.props === 'object' && key in child.props)) {
throw new Error(`<Screen /> component in \`default export\` at \`app${contextKey}/_layout\` must not have a \`children\`, \`component\`, or \`getComponent\` prop when used as a child of a Layout Route`);
}
}
return true;
}
return false;
}
//# sourceMappingURL=Screen.js.map