protobuf_gprc_loader.ts

import { loadSync, Options } from '@grpc/proto-loader'
import { PackageDefinition } from 'grpc'

const ProtoBaseDir = process.env.JETSETTER_SCHEMAS_PATH || `${__dirname}/../../../schemas`

const DefaultLoadOptions = {
  keepCase: true,
  longs: String,
  enums: String,
  defaults: false,
  oneofs: true,
  includeDirs: [
    'proto/services',
    'proto/messages'
  ].map(p => `${ProtoBaseDir}/${p}`)
} as Options

export function readPackageDefinition(path: string): PackageDefinition {
  // console.debug('Load options', JSON.stringify(DefaultLoadOptions))
  return loadSync(path, DefaultLoadOptions)
}