StrictNullCheck and dependant queries

Hi, me again !
I am working with typescript strict mode, and I am not sure what would be an elegant solution to handle dependant queries.

I have typesafe abstracted queries that require data to be set:
- useGetDetails
- useGetBillingInfoById requires

pathParams.location_group_id

pathParams.location_group_id

to be a

string

string

Here is an example:

export const App = () => {
  const detailsQuery = billingService.account.useGetDetails()
  const infoQuery = billingService.locationGroup.useGetBillingInfoById(
    {
      pathParams: {
        location_group_id: detailsQuery.data?.default_location_group_id // Type string | null | undefined  is not assignable to type string.
      }
    },
    { enabled: Boolean(detailsQuery.data?.default_location_group_id) }
  )
}

export const App = () => {
  const detailsQuery = billingService.account.useGetDetails()
  const infoQuery = billingService.locationGroup.useGetBillingInfoById(
    {
      pathParams: {
        location_group_id: detailsQuery.data?.default_location_group_id // Type string | null | undefined  is not assignable to type string.
      }
    },
    { enabled: Boolean(detailsQuery.data?.default_location_group_id) }
  )
}

(1) Making weird condition that satisfy typesafety

export const App = () => {
  const detailsQuery = billingService.account.useGetDetails()
  const infoQuery = billingService.locationGroup.useGetBillingInfoById(
    {
      pathParams: {
        location_group_id: detailsQuery.data?.default_location_group_id || '' // HERE
      }
    },
    { enabled: Boolean(detailsQuery.data?.default_location_group_id) }
  )
}

export const App = () => {
  const detailsQuery = billingService.account.useGetDetails()
  const infoQuery = billingService.locationGroup.useGetBillingInfoById(
    {
      pathParams: {
        location_group_id: detailsQuery.data?.default_location_group_id || '' // HERE
      }
    },
    { enabled: Boolean(detailsQuery.data?.default_location_group_id) }
  )
}

(2) Have optional types on

useGetBillingInfoById

useGetBillingInfoById

for the property

pathParams.location_group_id

pathParams.location_group_id

(3) Define initialData, but usually I have to define the whole data

export const App = () => {
  const detailsQuery = billingService.account.useGetDetails({ 
    initialData: {default_location_group_id: ''} // Error as the Type is not complete
  })
  const infoQuery = billingService.locationGroup.useGetBillingInfoById(
    {
      pathParams: {
        location_group_id: detailsQuery.data?.default_location_group_id
      }
    },
    { enabled: Boolean(detailsQuery.data?.default_location_group_id) }
  )
}

export const App = () => {
  const detailsQuery = billingService.account.useGetDetails({ 
    initialData: {default_location_group_id: ''} // Error as the Type is not complete
  })
  const infoQuery = billingService.locationGroup.useGetBillingInfoById(
    {
      pathParams: {
        location_group_id: detailsQuery.data?.default_location_group_id
      }
    },
    { enabled: Boolean(detailsQuery.data?.default_location_group_id) }
  )
}

(4) ?

Thank a lot ! :))

TanStack•2y ago•

3 replies

faint-white

StrictNullCheck and dependant queries

pathParams.location_group_id

pathParams.location_group_id

to be a

string

string

Here is an example:

export const App = () => {
  const detailsQuery = billingService.account.useGetDetails()
  const infoQuery = billingService.locationGroup.useGetBillingInfoById(
    {
      pathParams: {
        location_group_id: detailsQuery.data?.default_location_group_id // Type string | null | undefined  is not assignable to type string.
      }
    },
    { enabled: Boolean(detailsQuery.data?.default_location_group_id) }
  )
}

export const App = () => {
  const detailsQuery = billingService.account.useGetDetails()
  const infoQuery = billingService.locationGroup.useGetBillingInfoById(
    {
      pathParams: {
        location_group_id: detailsQuery.data?.default_location_group_id // Type string | null | undefined  is not assignable to type string.
      }
    },
    { enabled: Boolean(detailsQuery.data?.default_location_group_id) }
  )
}

(1) Making weird condition that satisfy typesafety

export const App = () => {
  const detailsQuery = billingService.account.useGetDetails()
  const infoQuery = billingService.locationGroup.useGetBillingInfoById(
    {
      pathParams: {
        location_group_id: detailsQuery.data?.default_location_group_id || '' // HERE
      }
    },
    { enabled: Boolean(detailsQuery.data?.default_location_group_id) }
  )
}

export const App = () => {
  const detailsQuery = billingService.account.useGetDetails()
  const infoQuery = billingService.locationGroup.useGetBillingInfoById(
    {
      pathParams: {
        location_group_id: detailsQuery.data?.default_location_group_id || '' // HERE
      }
    },
    { enabled: Boolean(detailsQuery.data?.default_location_group_id) }
  )
}

(2) Have optional types on

useGetBillingInfoById

useGetBillingInfoById

for the property

pathParams.location_group_id

pathParams.location_group_id

(3) Define initialData, but usually I have to define the whole data

export const App = () => {
  const detailsQuery = billingService.account.useGetDetails({ 
    initialData: {default_location_group_id: ''} // Error as the Type is not complete
  })
  const infoQuery = billingService.locationGroup.useGetBillingInfoById(
    {
      pathParams: {
        location_group_id: detailsQuery.data?.default_location_group_id
      }
    },
    { enabled: Boolean(detailsQuery.data?.default_location_group_id) }
  )
}

export const App = () => {
  const detailsQuery = billingService.account.useGetDetails({ 
    initialData: {default_location_group_id: ''} // Error as the Type is not complete
  })
  const infoQuery = billingService.locationGroup.useGetBillingInfoById(
    {
      pathParams: {
        location_group_id: detailsQuery.data?.default_location_group_id
      }
    },
    { enabled: Boolean(detailsQuery.data?.default_location_group_id) }
  )
}

(4) ?

Thank a lot ! :))

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