How to have an optional parameter in Angular UI-Router v 1.+

Question

In an older version (0.4?) of angular ui-router we could do this...

url: '/:optional'

And everything worked fine (minus an extra backslash in the url). But when I upgraded to 1.0.5 I see...

Error: Param values not valid for state 'projects.list'. Invalid params: [ optional ]

I tried...

url: '/{mine:(?:/[^/]+)?}' too but it didn't work either

Is there a way I can do this in the 1.0 world?

tiagodws · Accepted Answer · 2017-07-07 21:17:58Z

2

Take a look at this answer to a similar question.

Also, as stated in the UI Router's documentation:

Route parameters with regular expressions can't be optional or greedy

answered Jul 7, 2017 at 21:17

tiagodws

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1 Comment

Nate Anderson Over a year ago

According to the same documentation re /:conditionId or /{conditionId} syntax; in the case ui-sref="contacts.detail({contactId: id})"; "The value for id can be anything in scope." Unless id is undefined!

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