Function resolveBinary

packages/internals/src/resolveBinary.ts:21–67

(name: BinaryType, proposedPath?: string)

}

export async function resolveBinary(name: BinaryType, proposedPath?: string): Promise<string> {
  // if file exists at proposedPath (and does not start with `/snapshot/` (= pkg), use that one
  if (proposedPath && !proposedPath.match(vercelPkgPathRegex) && fs.existsSync(proposedPath)) {
    return proposedPath
  }

  // If engine path was provided via env var, check and use that one
  const pathFromEnvVar = getBinaryEnvVarPath(name)
  if (pathFromEnvVar !== null) {
    return pathFromEnvVar.path
  }

  // If still here, try different paths
  const binaryName = await getBinaryName(name)

  const prismaPath = path.join(getEnginesPath(), binaryName)
  if (fs.existsSync(prismaPath)) {
    return maybeCopyToTmp(prismaPath)
  }

  // for pkg (related: https://github.com/vercel/pkg#snapshot-filesystem)
  const prismaPath2 = path.join(__dirname, '..', binaryName)
  if (fs.existsSync(prismaPath2)) {
    return maybeCopyToTmp(prismaPath2)
  }

  // TODO for ??
  const prismaPath3 = path.join(__dirname, '../..', binaryName)
  if (fs.existsSync(prismaPath3)) {
    return maybeCopyToTmp(prismaPath3)
  }

  // TODO for ?? / needed to come from @prisma/client/generator-build to @prisma/client/runtime
  const prismaPath4 = path.join(__dirname, '../runtime', binaryName)
  if (fs.existsSync(prismaPath4)) {
    return maybeCopyToTmp(prismaPath4)
  }

  // Still here? Could not find the engine, so error out.
  throw new Error(
    `Could not find ${name} binary. Searched in:
- ${prismaPath}
- ${prismaPath2}
- ${prismaPath3}
- ${prismaPath4}`,
  )
}

export function safeResolveBinary(name: BinaryType, proposedPath?: string): TE.TaskEither<Error, string> {
  return TE.tryCatch(