Move jest-get-type to ESM named exports (#11359)

Author: IanVS

CHANGELOG.md

@@ -62,6 +62,7 @@
 - `[jest-environment]` [**BREAKING**] Drop support for `runScript` for test environments ([#11155](https://github.com/facebook/jest/pull/11155))
 - `[jest-environment-jsdom]` Use inner realm’s `ArrayBuffer` constructor ([#10885](https://github.com/facebook/jest/pull/10885))
 - `[jest-environment-jsdom]` [**BREAKING**] Remove Node globals `setImmediate` and `clearImmediate` [#11222](https://github.com/facebook/jest/pull/11222)
+- `[jest-get-type]` [**BREAKING**] Convert to ES Module ([#11359](https://github.com/facebook/jest/pull/11359))
 - `[jest-globals]` [**BREAKING**] Disallow return values other than a `Promise` from hooks and tests ([#10512](https://github.com/facebook/jest/pull/10512))
 - `[jest-globals]` [**BREAKING**] Disallow mixing a done callback and returning a `Promise` from hooks and tests ([#10512](https://github.com/facebook/jest/pull/10512))
 - `[jest-haste-map]` Vendor `NodeWatcher` from `sane` ([#10919](https://github.com/facebook/jest/pull/10919))

docs/JestPlatform.md

@@ -77,7 +77,7 @@ Module that identifies the primitive type of any JavaScript value. Exports a fun
 ### Example
 
 ```javascript
-const getType = require('jest-get-type');
+const {getType} = require('jest-get-type');
 
 const array = [1, 2, 3];
 const nullValue = null;

packages/expect/src/matchers.ts

@@ -8,7 +8,7 @@
 
 /* eslint-disable local/ban-types-eventually */
 
-import getType = require('jest-get-type');
+import {getType, isPrimitive} from 'jest-get-type';
 import {
   DIM_COLOR,
   EXPECTED_COLOR,
@@ -315,8 +315,7 @@ const matchers: MatchersObject = {
           matcherHint(matcherName, undefined, undefined, options) +
           '\n\n' +
           printExpectedConstructorName('Expected constructor', expected) +
-          (getType.isPrimitive(received) ||
-          Object.getPrototypeOf(received) === null
+          (isPrimitive(received) || Object.getPrototypeOf(received) === null
             ? `\nReceived value has no prototype\nReceived value: ${printReceived(
                 received,
               )}`

packages/expect/src/spyMatchers.ts

@@ -5,7 +5,7 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-import getType = require('jest-get-type');
+import {getType, isPrimitive} from 'jest-get-type';
 import {
   DIM_COLOR,
   EXPECTED_COLOR,
@@ -278,7 +278,7 @@ const isLineDiffableArg = (expected: unknown, received: unknown): boolean => {
     return false;
   }
 
-  if (getType.isPrimitive(expected)) {
+  if (isPrimitive(expected)) {
     return false;
   }
 

packages/jest-config/src/ReporterValidationErrors.ts

@@ -7,7 +7,7 @@
 
 import chalk = require('chalk');
 import type {Config} from '@jest/types';
-import getType = require('jest-get-type');
+import {getType} from 'jest-get-type';
 import {ValidationError} from 'jest-validate';
 import {BULLET, DOCUMENTATION_NOTE} from './utils';
 

packages/jest-diff/src/index.ts

@@ -6,7 +6,7 @@
  */
 
 import chalk = require('chalk');
-import getType = require('jest-get-type');
+import {getType} from 'jest-get-type';
 import prettyFormat, {plugins as prettyFormatPlugins} from 'pretty-format';
 import {DIFF_DELETE, DIFF_EQUAL, DIFF_INSERT, Diff} from './cleanupSemantic';
 import {NO_DIFF_MESSAGE, SIMILAR_MESSAGE} from './constants';

packages/jest-get-type/src/__tests__/getType.test.ts

@@ -6,7 +6,7 @@
  *
  */
 
-import getType from '../';
+import {getType} from '../';
 
 describe('.getType()', () => {
   test('null', () => expect(getType(null)).toBe('null'));

packages/jest-get-type/src/index.ts

@@ -23,7 +23,7 @@ type ValueType =
 
 // get the type of a value with handling the edge cases like `typeof []`
 // and `typeof null`
-function getType(value: unknown): ValueType {
+export function getType(value: unknown): ValueType {
   if (value === undefined) {
     return 'undefined';
   } else if (value === null) {
@@ -60,6 +60,4 @@ function getType(value: unknown): ValueType {
   throw new Error(`value of unknown type: ${value}`);
 }
 
-getType.isPrimitive = (value: unknown) => Object(value) !== value;
-
-export = getType;
+export const isPrimitive = (value: unknown): boolean => Object(value) !== value;

packages/jest-matcher-utils/src/Replaceable.ts

@@ -5,7 +5,7 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-import getType = require('jest-get-type');
+import {getType} from 'jest-get-type';
 
 const supportTypes = ['map', 'array', 'object'];
 

packages/jest-matcher-utils/src/index.ts

@@ -17,7 +17,7 @@ import diffDefault, {
   diffStringsRaw,
   diffStringsUnified,
 } from 'jest-diff';
-import getType = require('jest-get-type');
+import {getType, isPrimitive} from 'jest-get-type';
 import prettyFormat, {plugins as prettyFormatPlugins} from 'pretty-format';
 import Replaceable from './Replaceable';
 import deepCyclicCopyReplaceable from './deepCyclicCopyReplaceable';
@@ -264,7 +264,7 @@ const isLineDiffable = (expected: unknown, received: unknown): boolean => {
     return false;
   }
 
-  if (getType.isPrimitive(expected)) {
+  if (isPrimitive(expected)) {
     // Print generic line diff for strings only:
     // * if neither string is empty
     // * if either string has more than one line