From 4cd1e5d7fb5824b69e59c874362dc078bab4bc50 Mon Sep 17 00:00:00 2001
From: Anthony Fu <anthonyfu117@hotmail.com>
Date: Thu, 19 Jan 2023 11:30:28 +0100
Subject: [PATCH] fix: `reportCoverage` context can be optional

---
 packages/coverage-c8/src/provider.ts       | 2 +-
 packages/coverage-istanbul/src/provider.ts | 2 +-
 packages/vitest/src/types/coverage.ts      | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/coverage-c8/src/provider.ts b/packages/coverage-c8/src/provider.ts
index ab6ea99516eb..8972c22a65ef 100644
--- a/packages/coverage-c8/src/provider.ts
+++ b/packages/coverage-c8/src/provider.ts
@@ -44,7 +44,7 @@ export class C8CoverageProvider implements CoverageProvider {
     takeCoverage()
   }
 
-  async reportCoverage({ allTestsRun }: ReportContext) {
+  async reportCoverage({ allTestsRun }: ReportContext = {}) {
     takeCoverage()
 
     const options = {
diff --git a/packages/coverage-istanbul/src/provider.ts b/packages/coverage-istanbul/src/provider.ts
index a208b45ec045..42259dd62867 100644
--- a/packages/coverage-istanbul/src/provider.ts
+++ b/packages/coverage-istanbul/src/provider.ts
@@ -98,7 +98,7 @@ export class IstanbulCoverageProvider implements CoverageProvider {
     this.coverages = []
   }
 
-  async reportCoverage({ allTestsRun }: ReportContext) {
+  async reportCoverage({ allTestsRun }: ReportContext = {}) {
     const mergedCoverage: CoverageMap = this.coverages.reduce((coverage, previousCoverageMap) => {
       const map = libCoverage.createCoverageMap(coverage)
       map.merge(previousCoverageMap)
diff --git a/packages/vitest/src/types/coverage.ts b/packages/vitest/src/types/coverage.ts
index 2602ca0680e7..a0ca8dc198b2 100644
--- a/packages/vitest/src/types/coverage.ts
+++ b/packages/vitest/src/types/coverage.ts
@@ -13,7 +13,7 @@ export interface CoverageProvider {
   onBeforeFilesRun?(): void | Promise<void>
   onAfterSuiteRun(meta: AfterSuiteRunMeta): void | Promise<void>
 
-  reportCoverage(reportContext: ReportContext): void | Promise<void>
+  reportCoverage(reportContext?: ReportContext): void | Promise<void>
 
   onFileTransform?(
     sourceCode: string,