add more UTs, delete ununsed files

src/delete.ts

@@ -1,5 +1,5 @@
 /* eslint-disable i18n-text/no-en */
-/* eslint-disable @typescript-eslint/no-unused-vars */
+
 import {Input} from './input'
 import {EMPTY, Observable, of, throwError} from 'rxjs'
 import {reduce, concatMap, map, expand, tap} from 'rxjs/operators'

src/octokit-provider.ts

@@ -1,24 +0,0 @@
-import * as github from '@actions/github'
-
-// Centralize all Octokit references by re-exporting
-export {Octokit} from '@octokit/rest'
-
-export interface OctokitOptions {
-  baseUrl?: string
-  userAgent?: string
-}
-
-export function getOctokit(
-  authToken: string,
-  opts: OctokitOptions
-): github.GitHub {
-  const options: OctokitOptions = {
-    baseUrl: 'https://api.github.com'
-  }
-
-  if (opts.userAgent) {
-    options.userAgent = opts.userAgent
-  }
-
-  return new github.GitHub(authToken, options)
-}

src/version/graphql.ts

@@ -1,19 +0,0 @@
-import {GitHub} from '@actions/github'
-import {GraphQlQueryResponseData} from '@octokit/graphql/dist-types/types'
-import {RequestParameters} from '@octokit/types/dist-types/RequestParameters'
-
-/**
- * Sends a GraphQL query request based on endpoint options
- *
- * @param {string} token Auth token
- * @param {string} query GraphQL query. Example: `'query { viewer { login } }'`.
- * @param {object} parameters URL, query or body parameters, as well as `headers`, `mediaType.{format|previews}`, `request`, or `baseUrl`.
- */
-export async function graphql(
-  token: string,
-  query: string,
-  parameters: RequestParameters
-): Promise<GraphQlQueryResponseData> {
-  const github = new GitHub(token)
-  return await github.graphql(query, parameters)
-}