@react-navigation/core/lib/commonjs/useNavigation.js

Core utilities for building navigators

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.useNavigation = useNavigation;
var React = _interopRequireWildcard(require("react"));
var _NavigationContainerRefContext = require("./NavigationContainerRefContext.js");
var _NavigationContext = require("./NavigationContext.js");
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (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 && {}.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; }
/**
 * Hook to access the navigation prop of the parent screen anywhere.
 *
 * @returns Navigation prop of the parent screen.
 */
function useNavigation() {
  const root = React.useContext(_NavigationContainerRefContext.NavigationContainerRefContext);
  const navigation = React.useContext(_NavigationContext.NavigationContext);
  if (navigation === undefined && root === undefined) {
    throw new Error("Couldn't find a navigation object. Is your component inside NavigationContainer?");
  }

  // FIXME: Figure out a better way to do this
  return navigation ?? root;
}
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