528 lines
20 KiB
JavaScript
528 lines
20 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = useLinking;
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var React = _interopRequireWildcard(require("react"));
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var _core = require("@react-navigation/core");
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var _nonSecure = require("nanoid/non-secure");
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var _ServerContext = _interopRequireDefault(require("./ServerContext"));
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
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function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
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const createMemoryHistory = () => {
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let index = 0;
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let items = []; // Pending callbacks for `history.go(n)`
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// We might modify the callback stored if it was interrupted, so we have a ref to identify it
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const pending = [];
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const interrupt = () => {
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// If another history operation was performed we need to interrupt existing ones
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// This makes sure that calls such as `history.replace` after `history.go` don't happen
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// Since otherwise it won't be correct if something else has changed
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pending.forEach(it => {
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const cb = it.cb;
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it.cb = () => cb(true);
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});
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};
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const history = {
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get index() {
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var _window$history$state;
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// We store an id in the state instead of an index
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// Index could get out of sync with in-memory values if page reloads
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const id = (_window$history$state = window.history.state) === null || _window$history$state === void 0 ? void 0 : _window$history$state.id;
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if (id) {
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const index = items.findIndex(item => item.id === id);
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return index > -1 ? index : 0;
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}
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return 0;
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},
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get(index) {
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return items[index];
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},
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backIndex({
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path
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}) {
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// We need to find the index from the element before current to get closest path to go back to
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for (let i = index - 1; i >= 0; i--) {
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const item = items[i];
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if (item.path === path) {
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return i;
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}
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}
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return -1;
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},
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push({
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path,
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state
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}) {
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interrupt();
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const id = (0, _nonSecure.nanoid)(); // When a new entry is pushed, all the existing entries after index will be inaccessible
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// So we remove any existing entries after the current index to clean them up
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items = items.slice(0, index + 1);
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items.push({
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path,
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state,
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id
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});
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index = items.length - 1; // We pass empty string for title because it's ignored in all browsers except safari
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// We don't store state object in history.state because:
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// - browsers have limits on how big it can be, and we don't control the size
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// - while not recommended, there could be non-serializable data in state
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window.history.pushState({
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id
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}, '', path);
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},
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replace({
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path,
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state
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}) {
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var _window$history$state2, _window$history$state3;
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interrupt();
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const id = (_window$history$state2 = (_window$history$state3 = window.history.state) === null || _window$history$state3 === void 0 ? void 0 : _window$history$state3.id) !== null && _window$history$state2 !== void 0 ? _window$history$state2 : (0, _nonSecure.nanoid)();
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if (items.length) {
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items[index] = {
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path,
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state,
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id
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};
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} else {
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// This is the first time any state modifications are done
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// So we need to push the entry as there's nothing to replace
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items.push({
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path,
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state,
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id
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});
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}
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window.history.replaceState({
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id
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}, '', path);
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},
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// `history.go(n)` is asynchronous, there are couple of things to keep in mind:
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// - it won't do anything if we can't go `n` steps, the `popstate` event won't fire.
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// - each `history.go(n)` call will trigger a separate `popstate` event with correct location.
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// - the `popstate` event fires before the next frame after calling `history.go(n)`.
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// This method differs from `history.go(n)` in the sense that it'll go back as many steps it can.
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go(n) {
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interrupt();
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if (n > 0) {
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// We shouldn't go forward more than available index
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n = Math.min(n, items.length - 1);
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} else if (n < 0) {
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// We shouldn't go back more than the 0 index
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// Otherwise we'll exit the page
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n = index + n < 0 ? -index : n;
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}
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if (n === 0) {
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return;
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}
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index += n; // When we call `history.go`, `popstate` will fire when there's history to go back to
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// So we need to somehow handle following cases:
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// - There's history to go back, `history.go` is called, and `popstate` fires
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// - `history.go` is called multiple times, we need to resolve on respective `popstate`
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// - No history to go back, but `history.go` was called, browser has no API to detect it
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return new Promise((resolve, reject) => {
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const done = interrupted => {
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clearTimeout(timer);
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if (interrupted) {
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reject(new Error('History was changed during navigation.'));
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return;
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} // There seems to be a bug in Chrome regarding updating the title
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// If we set a title just before calling `history.go`, the title gets lost
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// However the value of `document.title` is still what we set it to
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// It's just not displayed in the tab bar
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// To update the tab bar, we need to reset the title to something else first (e.g. '')
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// And set the title to what it was before so it gets applied
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// It won't work without setting it to empty string coz otherwise title isn't changing
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// Which means that the browser won't do anything after setting the title
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const {
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title
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} = window.document;
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window.document.title = '';
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window.document.title = title;
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resolve();
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};
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pending.push({
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ref: done,
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cb: done
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}); // If navigation didn't happen within 100ms, assume that it won't happen
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// This may not be accurate, but hopefully it won't take so much time
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// In Chrome, navigation seems to happen instantly in next microtask
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// But on Firefox, it seems to take much longer, around 50ms from our testing
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// We're using a hacky timeout since there doesn't seem to be way to know for sure
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const timer = setTimeout(() => {
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const index = pending.findIndex(it => it.ref === done);
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if (index > -1) {
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pending[index].cb();
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pending.splice(index, 1);
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}
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}, 100);
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const onPopState = () => {
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const last = pending.pop();
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window.removeEventListener('popstate', onPopState);
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last === null || last === void 0 ? void 0 : last.cb();
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};
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window.addEventListener('popstate', onPopState);
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window.history.go(n);
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});
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},
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// The `popstate` event is triggered when history changes, except `pushState` and `replaceState`
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// If we call `history.go(n)` ourselves, we don't want it to trigger the listener
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// Here we normalize it so that only external changes (e.g. user pressing back/forward) trigger the listener
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listen(listener) {
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const onPopState = () => {
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if (pending.length) {
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// This was triggered by `history.go(n)`, we shouldn't call the listener
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return;
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}
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listener();
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};
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window.addEventListener('popstate', onPopState);
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return () => window.removeEventListener('popstate', onPopState);
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}
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};
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return history;
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};
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/**
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* Find the matching navigation state that changed between 2 navigation states
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* e.g.: a -> b -> c -> d and a -> b -> c -> e -> f, if history in b changed, b is the matching state
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*/
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const findMatchingState = (a, b) => {
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if (a === undefined || b === undefined || a.key !== b.key) {
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return [undefined, undefined];
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} // Tab and drawer will have `history` property, but stack will have history in `routes`
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const aHistoryLength = a.history ? a.history.length : a.routes.length;
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const bHistoryLength = b.history ? b.history.length : b.routes.length;
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const aRoute = a.routes[a.index];
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const bRoute = b.routes[b.index];
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const aChildState = aRoute.state;
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const bChildState = bRoute.state; // Stop here if this is the state object that changed:
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// - history length is different
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// - focused routes are different
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// - one of them doesn't have child state
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// - child state keys are different
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if (aHistoryLength !== bHistoryLength || aRoute.key !== bRoute.key || aChildState === undefined || bChildState === undefined || aChildState.key !== bChildState.key) {
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return [a, b];
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}
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return findMatchingState(aChildState, bChildState);
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};
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/**
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* Run async function in series as it's called.
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*/
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const series = cb => {
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// Whether we're currently handling a callback
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let handling = false;
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let queue = [];
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const callback = async () => {
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try {
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if (handling) {
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// If we're currently handling a previous event, wait before handling this one
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// Add the callback to the beginning of the queue
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queue.unshift(callback);
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return;
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}
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handling = true;
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await cb();
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} finally {
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handling = false;
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if (queue.length) {
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// If we have queued items, handle the last one
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const last = queue.pop();
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last === null || last === void 0 ? void 0 : last();
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}
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}
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};
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return callback;
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};
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let isUsingLinking = false;
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function useLinking(ref, {
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enabled = true,
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config,
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getStateFromPath = _core.getStateFromPath,
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getPathFromState = _core.getPathFromState
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}) {
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React.useEffect(() => {
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if (enabled !== false && isUsingLinking) {
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throw new Error(['Looks like you have configured linking in multiple places. This is likely an error since URL integration should only be handled in one place to avoid conflicts. Make sure that:', "- You are not using both 'linking' prop and 'useLinking'", "- You don't have 'useLinking' in multiple components"].join('\n').trim());
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} else {
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isUsingLinking = enabled !== false;
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}
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return () => {
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isUsingLinking = false;
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};
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});
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const [history] = React.useState(createMemoryHistory); // We store these options in ref to avoid re-creating getInitialState and re-subscribing listeners
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// This lets user avoid wrapping the items in `React.useCallback` or `React.useMemo`
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// Not re-creating `getInitialState` is important coz it makes it easier for the user to use in an effect
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const enabledRef = React.useRef(enabled);
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const configRef = React.useRef(config);
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const getStateFromPathRef = React.useRef(getStateFromPath);
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const getPathFromStateRef = React.useRef(getPathFromState);
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React.useEffect(() => {
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enabledRef.current = enabled;
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configRef.current = config;
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getStateFromPathRef.current = getStateFromPath;
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getPathFromStateRef.current = getPathFromState;
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}, [config, enabled, getPathFromState, getStateFromPath]);
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const server = React.useContext(_ServerContext.default);
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const getInitialState = React.useCallback(() => {
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let value;
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if (enabledRef.current) {
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var _server$location;
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const location = (_server$location = server === null || server === void 0 ? void 0 : server.location) !== null && _server$location !== void 0 ? _server$location : typeof window !== 'undefined' ? window.location : undefined;
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const path = location ? location.pathname + location.search : undefined;
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if (path) {
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value = getStateFromPathRef.current(path, configRef.current);
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}
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} // Make it a thenable to keep consistent with the native impl
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const thenable = {
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then(onfulfilled) {
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return Promise.resolve(onfulfilled ? onfulfilled(value) : value);
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},
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catch() {
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return thenable;
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}
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};
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return thenable; // eslint-disable-next-line react-hooks/exhaustive-deps
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}, []);
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const previousIndexRef = React.useRef(undefined);
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const previousStateRef = React.useRef(undefined);
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const pendingPopStatePathRef = React.useRef(undefined);
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React.useEffect(() => {
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previousIndexRef.current = history.index;
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return history.listen(() => {
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var _previousIndexRef$cur;
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const navigation = ref.current;
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if (!navigation || !enabled) {
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return;
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}
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const path = location.pathname + location.search;
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const index = history.index;
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const previousIndex = (_previousIndexRef$cur = previousIndexRef.current) !== null && _previousIndexRef$cur !== void 0 ? _previousIndexRef$cur : 0;
|
||
|
|
previousIndexRef.current = index;
|
||
|
|
pendingPopStatePathRef.current = path; // When browser back/forward is clicked, we first need to check if state object for this index exists
|
||
|
|
// If it does we'll reset to that state object
|
||
|
|
// Otherwise, we'll handle it like a regular deep link
|
||
|
|
|
||
|
|
const record = history.get(index);
|
||
|
|
|
||
|
|
if ((record === null || record === void 0 ? void 0 : record.path) === path && (record === null || record === void 0 ? void 0 : record.state)) {
|
||
|
|
navigation.resetRoot(record.state);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
const state = getStateFromPathRef.current(path, configRef.current); // We should only dispatch an action when going forward
|
||
|
|
// Otherwise the action will likely add items to history, which would mess things up
|
||
|
|
|
||
|
|
if (state) {
|
||
|
|
// Make sure that the routes in the state exist in the root navigator
|
||
|
|
// Otherwise there's an error in the linking configuration
|
||
|
|
const rootState = navigation.getRootState();
|
||
|
|
|
||
|
|
if (state.routes.some(r => !(rootState === null || rootState === void 0 ? void 0 : rootState.routeNames.includes(r.name)))) {
|
||
|
|
console.warn("The navigation state parsed from the URL contains routes not present in the root navigator. This usually means that the linking configuration doesn't match the navigation structure. See https://reactnavigation.org/docs/configuring-links for more details on how to specify a linking configuration.");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (index > previousIndex) {
|
||
|
|
const action = (0, _core.getActionFromState)(state, configRef.current);
|
||
|
|
|
||
|
|
if (action !== undefined) {
|
||
|
|
try {
|
||
|
|
navigation.dispatch(action);
|
||
|
|
} catch (e) {
|
||
|
|
// Ignore any errors from deep linking.
|
||
|
|
// This could happen in case of malformed links, navigation object not being initialized etc.
|
||
|
|
console.warn("An error occurred when trying to handle the link '".concat(path, "': ").concat(e.message));
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
navigation.resetRoot(state);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
navigation.resetRoot(state);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
// if current path didn't return any state, we should revert to initial state
|
||
|
|
navigation.resetRoot(state);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}, [enabled, history, ref]);
|
||
|
|
React.useEffect(() => {
|
||
|
|
var _ref$current;
|
||
|
|
|
||
|
|
if (!enabled) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ref.current) {
|
||
|
|
// We need to record the current metadata on the first render if they aren't set
|
||
|
|
// This will allow the initial state to be in the history entry
|
||
|
|
const state = ref.current.getRootState();
|
||
|
|
|
||
|
|
if (state) {
|
||
|
|
const path = getPathFromStateRef.current(state, configRef.current);
|
||
|
|
|
||
|
|
if (previousStateRef.current === undefined) {
|
||
|
|
previousStateRef.current = state;
|
||
|
|
}
|
||
|
|
|
||
|
|
history.replace({
|
||
|
|
path,
|
||
|
|
state
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
const onStateChange = async () => {
|
||
|
|
const navigation = ref.current;
|
||
|
|
|
||
|
|
if (!navigation || !enabled) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
const previousState = previousStateRef.current;
|
||
|
|
const state = navigation.getRootState();
|
||
|
|
const pendingPath = pendingPopStatePathRef.current;
|
||
|
|
const path = getPathFromStateRef.current(state, configRef.current);
|
||
|
|
previousStateRef.current = state;
|
||
|
|
pendingPopStatePathRef.current = undefined; // To detect the kind of state change, we need to:
|
||
|
|
// - Find the common focused navigation state in previous and current state
|
||
|
|
// - If only the route keys changed, compare history/routes.length to check if we go back/forward/replace
|
||
|
|
// - If no common focused navigation state found, it's a replace
|
||
|
|
|
||
|
|
const [previousFocusedState, focusedState] = findMatchingState(previousState, state);
|
||
|
|
|
||
|
|
if (previousFocusedState && focusedState && // We should only handle push/pop if path changed from what was in last `popstate`
|
||
|
|
// Otherwise it's likely a change triggered by `popstate`
|
||
|
|
path !== pendingPath) {
|
||
|
|
const historyDelta = (focusedState.history ? focusedState.history.length : focusedState.routes.length) - (previousFocusedState.history ? previousFocusedState.history.length : previousFocusedState.routes.length);
|
||
|
|
|
||
|
|
if (historyDelta > 0) {
|
||
|
|
// If history length is increased, we should pushState
|
||
|
|
// Note that path might not actually change here, for example, drawer open should pushState
|
||
|
|
history.push({
|
||
|
|
path,
|
||
|
|
state
|
||
|
|
});
|
||
|
|
} else if (historyDelta < 0) {
|
||
|
|
// If history length is decreased, i.e. entries were removed, we want to go back
|
||
|
|
const nextIndex = history.backIndex({
|
||
|
|
path
|
||
|
|
});
|
||
|
|
const currentIndex = history.index;
|
||
|
|
|
||
|
|
try {
|
||
|
|
if (nextIndex !== -1 && nextIndex < currentIndex) {
|
||
|
|
// An existing entry for this path exists and it's less than current index, go back to that
|
||
|
|
await history.go(nextIndex - currentIndex);
|
||
|
|
} else {
|
||
|
|
// We couldn't find an existing entry to go back to, so we'll go back by the delta
|
||
|
|
// This won't be correct if multiple routes were pushed in one go before
|
||
|
|
// Usually this shouldn't happen and this is a fallback for that
|
||
|
|
await history.go(historyDelta);
|
||
|
|
} // Store the updated state as well as fix the path if incorrect
|
||
|
|
|
||
|
|
|
||
|
|
history.replace({
|
||
|
|
path,
|
||
|
|
state
|
||
|
|
});
|
||
|
|
} catch (e) {// The navigation was interrupted
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
// If history length is unchanged, we want to replaceState
|
||
|
|
history.replace({
|
||
|
|
path,
|
||
|
|
state
|
||
|
|
});
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
// If no common navigation state was found, assume it's a replace
|
||
|
|
// This would happen if the user did a reset/conditionally changed navigators
|
||
|
|
history.replace({
|
||
|
|
path,
|
||
|
|
state
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}; // We debounce onStateChange coz we don't want multiple state changes to be handled at one time
|
||
|
|
// This could happen since `history.go(n)` is asynchronous
|
||
|
|
// If `pushState` or `replaceState` were called before `history.go(n)` completes, it'll mess stuff up
|
||
|
|
|
||
|
|
|
||
|
|
return (_ref$current = ref.current) === null || _ref$current === void 0 ? void 0 : _ref$current.addListener('state', series(onStateChange));
|
||
|
|
});
|
||
|
|
return {
|
||
|
|
getInitialState
|
||
|
|
};
|
||
|
|
}
|
||
|
|
//# sourceMappingURL=useLinking.js.map
|