chore: enable 'no-duplicate-imports' (#13138)

Author: SimenB

.eslintrc.cjs

@@ -344,7 +344,6 @@ module.exports = {
     'handle-callback-err': 'off',
     'id-length': 'off',
     'id-match': 'off',
-    'import/no-duplicates': 'error',
     'import/no-extraneous-dependencies': [
       'error',
       {
@@ -414,6 +413,7 @@ module.exports = {
     'no-dupe-class-members': 'error',
     'no-dupe-keys': 'error',
     'no-duplicate-case': 'error',
+    'no-duplicate-imports': 'error',
     'no-else-return': 'off',
     'no-empty': 'off',
     'no-empty-character-class': 'warn',

e2e/babel-plugin-jest-hoist/__tests__/importJest.test.js

@@ -6,11 +6,11 @@
  *
  */
 
-/* eslint-disable import/no-duplicates */
+/* eslint-disable no-duplicate-imports */
 import {jest} from '@jest/globals';
 import {jest as aliasedJest} from '@jest/globals';
 import * as JestGlobals from '@jest/globals';
-/* eslint-enable import/no-duplicates */
+/* eslint-enable no-duplicate-imports */
 import a from '../__test_modules__/a';
 import b from '../__test_modules__/b';
 import c from '../__test_modules__/c';

e2e/native-esm/__tests__/native-esm.test.js

@@ -18,11 +18,9 @@ import staticImportedStatefulFromCjs from '../fromCjs.mjs';
 import {double} from '../index';
 import defaultFromCjs, {half, namedFunction} from '../namedExport.cjs';
 import {bag} from '../namespaceExport.js';
-/* eslint-disable import/no-duplicates */
 import staticImportedStateful from '../stateful.mjs';
 import staticImportedStatefulWithQuery from '../stateful.mjs?query=1';
 import staticImportedStatefulWithAnotherQuery from '../stateful.mjs?query=2';
-/* eslint-enable import/no-duplicates */
 
 test('should have correct import.meta', () => {
   expect(typeof require).toBe('undefined');

packages/jest-diff/src/index.ts

@@ -8,10 +8,10 @@
 import chalk = require('chalk');
 import {getType} from 'jest-get-type';
 import {
+  PrettyFormatOptions,
   format as prettyFormat,
   plugins as prettyFormatPlugins,
 } from 'pretty-format';
-import type {PrettyFormatOptions} from 'pretty-format';
 import {DIFF_DELETE, DIFF_EQUAL, DIFF_INSERT, Diff} from './cleanupSemantic';
 import {NO_DIFF_MESSAGE, SIMILAR_MESSAGE} from './constants';
 import {diffLinesRaw, diffLinesUnified, diffLinesUnified2} from './diffLines';

packages/jest-each/src/table/array.ts

@@ -10,8 +10,7 @@ import * as util from 'util';
 import type {Global} from '@jest/types';
 import {format as pretty} from 'pretty-format';
 import type {EachTests} from '../bind';
-import type {Templates} from './interpolation';
-import {interpolateVariables} from './interpolation';
+import {Templates, interpolateVariables} from './interpolation';
 
 const SUPPORTED_PLACEHOLDERS = /%[sdifjoOp#]/g;
 const PRETTY_PLACEHOLDER = '%p';

packages/jest-each/src/table/template.ts

@@ -8,8 +8,12 @@
 
 import type {Global} from '@jest/types';
 import type {EachTests} from '../bind';
-import type {Headings, Template, Templates} from './interpolation';
-import {interpolateVariables} from './interpolation';
+import {
+  Headings,
+  Template,
+  Templates,
+  interpolateVariables,
+} from './interpolation';
 
 export default function template(
   title: string,

packages/jest-reporters/__typetests__/jest-reporters.test.ts

@@ -6,13 +6,13 @@
  */
 
 import {expectError, expectType} from 'tsd-lite';
-import {utils} from '@jest/reporters';
-import type {
+import {
   AggregatedResult,
   Config,
   SnapshotSummary,
   SummaryOptions,
   TestResult,
+  utils,
 } from '@jest/reporters';
 
 declare const aggregatedResults: AggregatedResult;

packages/jest-runner/__typetests__/jest-runner.test.ts

@@ -6,10 +6,11 @@
  */
 
 import {expectType} from 'tsd-lite';
-import {CallbackTestRunner, EmittingTestRunner} from 'jest-runner';
-import type {
+import {
+  CallbackTestRunner,
   CallbackTestRunnerInterface,
   Config,
+  EmittingTestRunner,
   EmittingTestRunnerInterface,
   OnTestFailure,
   OnTestStart,

packages/jest-runtime/src/index.ts

@@ -48,8 +48,7 @@ import {
   shouldInstrument,
 } from '@jest/transform';
 import type {Config, Global} from '@jest/types';
-import type {IModuleMap} from 'jest-haste-map';
-import HasteMap from 'jest-haste-map';
+import HasteMap, {IModuleMap} from 'jest-haste-map';
 import {formatStackTrace, separateMessageFromStack} from 'jest-message-util';
 import type {MockFunctionMetadata, ModuleMocker} from 'jest-mock';
 import {escapePathForRegex} from 'jest-regex-util';