add lcov as reporter

src/main.ts

@@ -19,6 +19,7 @@ import {MochaJsonParser} from './parsers/mocha-json/mocha-json-parser'
 import {normalizeDirPath, normalizeFilePath} from './utils/path-utils'
 import {getCheckRunContext} from './utils/github-utils'
 import {Icon} from './utils/markdown-utils'
+import {LcovParser} from './parsers/lcov-json/lcov-parser'
 
 async function main(): Promise<void> {
   try {
@@ -216,6 +217,8 @@ class TestReporter {
         return new JestJunitParser(options)
       case 'mocha-json':
         return new MochaJsonParser(options)
+      case 'lcov':
+        return new LcovParser(options)
       default:
         throw new Error(`Input variable 'reporter' is set to invalid value '${reporter}'`)
     }

src/parsers/lcov-json/lcov-parser.ts

@@ -4,6 +4,7 @@ import {TestCaseResult, TestGroupResult, TestRunResult, TestSuiteResult} from '.
 import {CovParsedStat, CovStats, LcovReport} from './lcov-types'
 
 export class LcovParser implements TestParser {
+  constructor(readonly options: ParseOptions) {}
   async parse(path: string, content: string): Promise<TestRunResult> {
     const report = this.parseFile(path, content)
     return this.getTestRunResult(path, report)