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Report an Issue

Help us make UI-Router better! If you think you might have found a bug, or some other weirdness, start by making sure it hasn't already been reported. You can search through existing @uirouter/angular issues and @uirouter/core issues to see if someone's reported one similar to yours.

If not, then create a plunkr that demonstrates the problem (try to use as little code as possible: the more minimalist, the faster we can debug it).

Next, create a new issue that briefly explains the problem, and provides a bit of background as to the circumstances that triggered it. Don't forget to include the link to that plunkr you created!

Note: If you're unsure how a feature is used, or are encountering some unexpected behavior that you aren't sure is a bug, it's best to talk it out on StackOverflow before reporting it. This keeps development streamlined, and helps us focus on building great software.

Issues only!
Please keep in mind that the issue tracker is for issues. Please do not post an issue if you need help or support. Instead, use StackOverflow.


(1) See the Developing section below, to get the development version of UI-Router up and running on your local machine.

(2) Check out the roadmap to see where the project is headed, and if your feature idea fits with where we're headed.

(3) If you're not sure, open an RFC to get some feedback on your idea.

(4) Finally, commit some code and open a pull request. Code & commits should abide by the following rules:

  • Always have test coverage for new features (or regression tests for bug fixes), and never break existing tests
  • Commits should represent one logical change each; if a feature goes through multiple iterations, squash your commits down to one
  • Make sure to follow the Angular commit message format so your change will appear in the changelog of the next release.
  • Changes should always respect the coding style of the project


ui-router-ng2 uses npm and webpack.

Fetch the source code

The code for ui-router-ng2 is split into two source repositories:

Clone both repositories into directories next to each other.

mkdir uirouter
cd uirouter
git clone
git clone

Install dependencies

Use npm to install the development dependencies for each repository.

cd core
npm install
cd ../ng2
npm install
cd ..

Link the directories

This step is necessary if you need to modify any code in @uirouter/core. Using npm, link @uirouter/core into ui-router-ng2

cd core
npm link
cd ../ng2
npm link @uirouter/core
cd ..

After executing these steps, your local copy of @uirouter/angular will be built using your local copy of @uirouter/core instead of the prebuilt version specified in package.json.


  • npm run build: Perform a full build.
  • npm run watch: Continuously builds and runs tests when source or tests change.

If you make changes in @uirouter/core, run these scripts before rebuilding or re-testing @uirouter/angular:

  • npm run build: Compiles @uirouter/core code
  • npm run watch: Continuously builds the @uirouter/core code when sources change.
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