feat: add typing for importer errors

packages/hoppscotch-app/helpers/import-export/import/index.ts

@@ -2,21 +2,21 @@ import * as TE from "fp-ts/TaskEither"
 import { StepsOutputList } from "../steps"
 
 /**
- * The error state to be used when the file formats do not match
+ * A common error state to be used when the file formats are not expected
  */
 export const IMPORTER_INVALID_FILE_FORMAT =
   "importer_invalid_file_format" as const
 
 export type HoppImporterError = typeof IMPORTER_INVALID_FILE_FORMAT
 
-type HoppImporter<T, StepsType> = (
+type HoppImporter<T, StepsType, Errors> = (
   stepValues: StepsOutputList<StepsType>
-) => TE.TaskEither<HoppImporterError, T>
+) => TE.TaskEither<Errors, T>
 
 /**
  * Definition for importers
  */
-type HoppImporterDefintion<T, Y> = {
+type HoppImporterDefintion<T, Y, E> = {
   /**
    * Name of the importer, shown on the Select Importer dropdown
    */
@@ -25,7 +25,7 @@ type HoppImporterDefintion<T, Y> = {
   /**
    * The importer function, It is a Promise because its supposed to be loaded in lazily (dynamic imports ?)
    */
-  importer: HoppImporter<T, Y>
+  importer: HoppImporter<T, Y, E>
 
   /**
    * The steps to fetch information required to run an importer
@@ -36,12 +36,12 @@ type HoppImporterDefintion<T, Y> = {
 /**
  * Defines a Hoppscotch importer
  */
-export const defineImporter = <ReturnType, StepType>(input: {
+export const defineImporter = <ReturnType, StepType, Errors>(input: {
   name: string
-  importer: HoppImporter<ReturnType, StepType>
+  importer: HoppImporter<ReturnType, StepType, Errors>
   steps: StepType
 }) => {
-  return <HoppImporterDefintion<ReturnType, StepType>>{
+  return <HoppImporterDefintion<ReturnType, StepType, Errors>>{
     ...input,
   }
 }