Migrating from 2.x to 3.x
New features
- When a transition fails (either in a
canActivate,canDeactivateor middleware function), a custom error can be returned containing aredirectproperty. - Persistent parameters plugin now available.
Breaking change
There are no breaking changes.
Code example
Redirecting to a login page if the current user is not logged in:
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// With promises
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router.canActivate(
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'profile',
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() => isLoggedIn()
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.catch(() => ({ redirect: { name: 'login' } }))
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);
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​
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// With callbacks
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router.canActivate(
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'profile',
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(toState, fromState, done) => {
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isLoggedIn()
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.then(() => done(null, toState))
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.catch(() => done(({ redirect: { name: 'login' } })))
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}
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);
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