jestjs · SimenB · Dec 7, 2020 · May 4, 2020 · May 4, 2020 · May 4, 2020
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -59,6 +59,7 @@
 - `[jest-runtime]` [**BREAKING**] Remove deprecated and unnused `getSourceMapInfo` from Runtime ([#9969](https://github.com/facebook/jest/pull/9969))
 - `[jest-util]` No longer checking `enumerable` when adding `process.domain` ([#10862](https://github.com/facebook/jest/pull/10862))
 - `[jest-validate]` [**BREAKING**] Remove `recursiveBlacklist ` option in favor of previously introduced `recursiveDenylist` ([#10650](https://github.com/facebook/jest/pull/10650))
+- `[*]` [**BREAKING**] Remove deprecated `mapCoverage` ([#9968](https://github.com/facebook/jest/pull/9968))
 
 ### Performance
 

diff --git a/e2e/__tests__/deprecatedCliOptions.test.ts b/e2e/__tests__/deprecatedCliOptions.test.ts
diff --git a/e2e/deprecated-cli-options/__tests__/dummy.js b/e2e/deprecated-cli-options/__tests__/dummy.js
diff --git a/e2e/deprecated-cli-options/package.json b/e2e/deprecated-cli-options/package.json
diff --git a/packages/jest-cli/src/cli/args.ts b/packages/jest-cli/src/cli/args.ts
@@ -361,13 +361,6 @@ export const options = {
       'node.',
     type: 'boolean',
   },
-  mapCoverage: {
-    default: undefined,
-    description:
-      'Maps code coverage reports against original source code ' +
-      'when transformers supply source maps.\n\nDEPRECATED',
-    type: 'boolean',
-  },
   maxConcurrency: {
     default: 5,
     description:

diff --git a/packages/jest-config/src/Deprecated.ts b/packages/jest-config/src/Deprecated.ts
@@ -20,12 +20,6 @@ const deprecatedOptions: DeprecatedOptions = {
   }
   `,
 
-  mapCoverage: () => `  Option ${chalk.bold(
-    '"mapCoverage"',
-  )} has been removed, as it's no longer necessary.
-
-  Please update your configuration.`,
-
   preprocessorIgnorePatterns: (options: {
     preprocessorIgnorePatterns?: Array<string>;
   }) => `  Option ${chalk.bold(

diff --git a/packages/jest-config/src/normalize.ts b/packages/jest-config/src/normalize.ts
@@ -958,7 +958,6 @@ export default function normalize(
       case 'listTests':
       case 'logHeapUsage':
       case 'maxConcurrency':
-      case 'mapCoverage':
       case 'name':
       case 'noStackTrace':
       case 'notify':

diff --git a/packages/jest-types/src/Config.ts b/packages/jest-types/src/Config.ts
@@ -155,7 +155,6 @@ export type InitialOptions = Partial<{
   logHeapUsage: boolean;
   lastCommit: boolean;
   listTests: boolean;
-  mapCoverage: boolean;
   maxConcurrency: number;
   maxWorkers: number | string;
   moduleDirectories: Array<string>;

diff --git a/packages/jest-types/src/Transform.ts b/packages/jest-types/src/Transform.ts
@@ -9,6 +9,5 @@
 export type TransformResult = {
   code: string;
   originalCode: string;
-  mapCoverage?: boolean; // TODO - Remove in Jest 27
   sourceMapPath: string | null;
 };