Remove hard dependency from installer

src/installer.ts

@@ -253,12 +253,12 @@ export class DotnetCoreInstaller {
     DotnetInstallDir.setEnvironmentVariable();
   }
 
-  constructor(private version: string, private quality: QualityOptions) {}
+  constructor(
+    private readonly dotnetVersion: DotnetVersion,
+    private readonly quality: QualityOptions
+  ) {}
 
   public async installDotnet(): Promise<string | null> {
-    const versionResolver = new DotnetVersionResolver(this.version);
-    const dotnetVersion = await versionResolver.createDotnetVersion();
-
     /**
      * Install dotnet runitme first in order to get
      * the latest stable version of dotnet CLI
@@ -294,7 +294,7 @@ export class DotnetCoreInstaller {
         IS_WINDOWS ? '-SkipNonVersionedFiles' : '--skip-non-versioned-files'
       )
       // Use version provided by user
-      .useVersion(dotnetVersion, this.quality)
+      .useVersion(this.dotnetVersion, this.quality)
       .execute();
 
     if (dotnetInstallOutput.exitCode) {

src/setup-dotnet.ts

@@ -1,5 +1,9 @@
 import * as core from '@actions/core';
-import {DotnetCoreInstaller, DotnetInstallDir} from './installer';
+import {
+  DotnetCoreInstaller,
+  DotnetInstallDir,
+  DotnetVersionResolver
+} from './installer';
 import * as fs from 'fs';
 import path from 'path';
 import semver from 'semver';
@@ -67,9 +71,15 @@ export async function run() {
       }
 
       let dotnetInstaller: DotnetCoreInstaller;
+      let dotnetVersionResolver: DotnetVersionResolver;
+
       const uniqueVersions = new Set<string>(versions);
       for (const version of uniqueVersions) {
-        dotnetInstaller = new DotnetCoreInstaller(version, quality);
+        dotnetVersionResolver = new DotnetVersionResolver(version);
+        dotnetInstaller = new DotnetCoreInstaller(
+          await dotnetVersionResolver.createDotnetVersion(),
+          quality
+        );
         const installedVersion = await dotnetInstaller.installDotnet();
         installedDotnetVersions.push(installedVersion);
       }