onAuthStateChange()

Receive a notification every time an auth event happens.

1supabase.auth.onAuthStateChange((event, session) => {
2  console.log(event, session)
3})

Parameters#

• callbackrequired

  object

  A callback function to be invoked when an auth event happens.

Notes#

• Types of auth events: SIGNED_IN, SIGNED_OUT, TOKEN_REFRESHED, USER_UPDATED, USER_DELETED, PASSWORD_RECOVERY

Examples#

Listen to auth changes#

1supabase.auth.onAuthStateChange((event, session) => {
2  console.log(event, session)
3})

Listen to sign in#

1supabase.auth.onAuthStateChange((event, session) => {
2  if (event == 'SIGNED_IN') console.log('SIGNED_IN', session)
3})

Listen to sign out#

1supabase.auth.onAuthStateChange((event, session) => {
2  if (event == 'SIGNED_OUT') console.log('SIGNED_OUT', session)
3})

Listen to token refresh#

1supabase.auth.onAuthStateChange((event, session) => {
2  if (event == 'TOKEN_REFRESHED') console.log('TOKEN_REFRESHED', session)
3})

Listen to user updates#

1supabase.auth.onAuthStateChange((event, session) => {
2  if (event == 'USER_UPDATED') console.log('USER_UPDATED', session)
3})

Listen to user deleted#

1supabase.auth.onAuthStateChange((event, session) => {
2  if (event == 'USER_DELETED') console.log('USER_DELETED', session)
3})

Listen to password recovery events#

1supabase.auth.onAuthStateChange((event, session) => {
2  if (event == 'PASSWORD_RECOVERY') console.log('PASSWORD_RECOVERY', session)
3})