Replace dash to slash for asdf lts syntax

__tests__/main.test.ts

@@ -1,17 +1,17 @@
+import * as cache from '@actions/cache';
 import * as core from '@actions/core';
 import * as exec from '@actions/exec';
 import * as tc from '@actions/tool-cache';
-import * as cache from '@actions/cache';
 
 import fs from 'fs';
-import path from 'path';
 import osm from 'os';
+import path from 'path';
 
 import each from 'jest-each';
 
+import OfficialBuilds from '../src/distributions/official_builds/official_builds';
 import * as main from '../src/main';
 import * as util from '../src/util';
-import OfficialBuilds from '../src/distributions/official_builds/official_builds';
 
 describe('main tests', () => {
   let inputs = {} as any;
@@ -95,6 +95,7 @@ describe('main tests', () => {
       ${'lts/erbium'}                              | ${'lts/erbium'}
       ${'lts/*'}                                   | ${'lts/*'}
       ${'nodejs 12.3.4'}                           | ${'12.3.4'}
+      ${'nodejs lts-erbium'}                       | ${'lts/erbium'}
       ${'ruby 2.3.4\nnodejs 12.3.4\npython 3.4.5'} | ${'12.3.4'}
       ${''}                                        | ${''}
       ${'unknown format'}                          | ${'unknown format'}

src/util.ts

@@ -14,7 +14,13 @@ export function parseNodeVersionFile(contents: string): string {
 
   if (!nodeVersion) {
     const found = contents.match(/^(?:nodejs\s+)?v?(?<version>[^\s]+)$/m);
-    nodeVersion = found?.groups?.version;
+
+
+    if (found?.groups?.version?.includes('lts-')) {
+      nodeVersion = found?.groups?.version.replace(/-/g, '/');
+    } else {
+      nodeVersion = found?.groups?.version;
+    }
   }
 
   // In the case of an unknown format,