Retrieve the prior position using the AngularJS ui-router

Utilizing fromState and fromParams within the $stateChangeSuccess event allows us to access all details regarding the previous location. This concept is elaborated in the following discussion:

Angular - ui-router get previous state

$rootScope.$on('$stateChangeSuccess', function (ev, to, toParams, from, fromParams) {
   
});

Is there a convenient means to extract this information into the URL or location format? For instance:

State: /page/:id/paragraph/:line

Params: id and line, etc..

Desired output:

/page/3/paragraph/5 ...

Maintaining clarity with numerous params could become complex. Additionally, AngularJS ui-router might utilize {{ id }} as params rather than :id. Is there an existing method for handling this situation, or must we resort to using RegEx? If so, what would be the appropriate RegEx string?

Appreciate any insights.

javascriptregexangularjspushstateangular-ui-router

Answer №1

Retrieve the URL using $state.href:

$rootScope.$on('$stateChangeSuccess', function (ev, to, toParams, from, fromParams) {

   // $state.href(from, fromParams)

});

You can also include options as a third parameter.
Check out the Documentation for further details.

Answer №2

There isn't much variation, but here's an alternative approach:

$rootScope.$on('$routeChangeStart', function (event, next, current) {
});

Simply save the current information. This function involves less complexity compared to $routeChangesuccess.

Answer №3

By incorporating window.history.back(), you can easily navigate back to the previous URL.

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