How to use the createMemoryHistory function from history

Find comprehensive JavaScript history.createMemoryHistory code examples handpicked from public code repositorys.

history.createMemoryHistory is a function provided by the History library that creates a new in-memory history object for use in a JavaScript application.

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 *
 * Use MemoryHistory from the 'history' API to store page changes
 * and persist them to the browser, for use in BrowseHistoryComponent
 */

export const MemoryHistory = h.createMemoryHistory({
  initialEntries: recentPages,
  initialIndex: 0,
});
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+ 3 other calls in file

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class History extends EventEmitter {
  constructor(u) {
    super();

    this._history = createMemoryHistory({
      initialEntries: [u],
    });
    this._history.listen((location, action) => {
      if (action === 'POP') {
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How does history.createMemoryHistory work?

history.createMemoryHistory works by creating a new in-memory history object that can be used to keep track of the current location and navigate between different locations in a JavaScript application.

When called, history.createMemoryHistory takes a single argument, which is an options object that can be used to configure the behavior of the history object. These options include things like the initial location of the history object, the initial entries in the history stack, and the length of the history stack.

The history.createMemoryHistory function then returns a new history object that can be used to interact with the in-memory history. This object provides methods like push and replace to add new locations to the history stack, and go, goBack, and goForward to navigate between different locations in the history stack.

By using history.createMemoryHistory, JavaScript developers can programmatically create and manipulate an in-memory history object, allowing for more powerful and flexible navigation and user interfaces in their applications.

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if (req.url.startsWith('/static')) {
  res.status(404).send({ error: 'Not found' });
  return;
}

const memoryHistory = createMemoryHistory(req.url);
memoryHistory.push(req.originalUrl);
const store = configureStore({}, memoryHistory);

// Once the sagas have run, render again
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    })
})

it("Hike list page renders a link to navigate to form to add new hike", () => {
    api.hikes.getHikesForLocalGuide.mockResolvedValueOnce([])
    const history = createMemoryHistory();
    render(
        <Router location={history.location} navigator={history}>
            <ListHikes />
        </Router>
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Ai Example

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import { createMemoryHistory } from "history";

// create a new memory history object with default options
const history = createMemoryHistory();

// add a new location to the history stack
history.push("/page1");

// navigate back to the previous location
history.goBack();

In this example, we're using history.createMemoryHistory to create a new in-memory history object with default options. We then use the push method provided by the history object to add a new location ('/page1') to the history stack. Finally, we use the goBack method provided by the history object to navigate back to the previous location in the history stack. Note that this example uses ES6 module syntax to import the createMemoryHistory function from the history library. If you're using a different module system or syntax, you may need to adjust the import statement accordingly.

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  for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
    args[_key] = arguments[_key];
  }

  _this = _React$Component.call.apply(_React$Component, [this].concat(args)) || this;
  _this.history = history.createMemoryHistory(_this.props);
  return _this;
}

var _proto = MemoryRouter.prototype;
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function createRouter(type, options) {
    return new BrowserRouter(getHistoryAdapter(type, options));
}
function getHistoryAdapter(type, options) {
    switch (type) {
        case 'memory': return history.createMemoryHistory(options);
        case 'browser': return history.createBrowserHistory(options);
        case 'hash':
        default:
            return history.createHashHistory(options);
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// Simplify instantiating the history module for peeps
function autoPickHistory (value, opts) {
  if (value === 'hash') return History.createHashHistory(opts)
  if (value === 'pushState') return History.createBrowserHistory(opts)
  if (value === 'virtual') return History.createMemoryHistory(opts)
  throw new Error("Invalid value '" + value + "' for 'history' option in vue.$routr")
}

// Create a reactive property that is protected from writing by the module closure.
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