This plugins injects a validation rule into the validation phase that only allows the specified operation types (e.g. `subscription`, `query` or `mutation`).
npm install @envelop/filter-operation-type@envelop/filter-operation-typeThis plugins injects a validation rule into the validation phase that only allows the specified
operation types (e.g. subscription, query or mutation).
``
yarn add @envelop/filter-operation-type
`ts
import { execute, parse, specifiedRules, subscribe, validate } from 'graphql'
import { envelop, useEngine } from '@envelop/core'
import { useFilterAllowedOperations } from '@envelop/filter-operation-type'
const getEnveloped = envelop({
// only allow execution of subscription operations
plugins: [
useEngine({ parse, validate, specifiedRules, execute, subscribe }),
useFilterAllowedOperations(['subscription'])
]
})
``