All files / proxy/utils/customer-variables header-customer-variables.ts

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import { CustomerVariableProvider, CustomerVariableType } from './types'
import { CloudFrontRequest } from 'aws-lambda'
import { getHeaderValue } from '../headers'
 
export class HeaderCustomerVariables implements CustomerVariableProvider {
  readonly name = 'HeaderCustomerVariables'
 
  constructor(private readonly request: CloudFrontRequest) {}
 
  async getVariable(variable: CustomerVariableType): Promise<string | null> {
    return getHeaderValue(this.request, variable)
  }
}