chore: migrate pretty-format to ESM

Author: SimenB

CHANGELOG.md

@@ -109,6 +109,7 @@
 
 - `[jest-resolve]` Replace read-pkg-up with escalade package ([10558](https://github.com/facebook/jest/pull/10558))
 - `[jest-environment-jsdom]` Update jsdom to 16.4.0 ([10578](https://github.com/facebook/jest/pull/10578))
+- `[pretty-format]` [**BREAKING**] Convert to ES Modules ([#10515](https://github.com/facebook/jest/pull/10515))
 
 ## 26.4.2
 

docs/JestPlatform.md

@@ -160,7 +160,7 @@ Exports a function that converts any JavaScript value into a human-readable stri
 ### Example
 
 ```javascript
-const prettyFormat = require('pretty-format');
+const {format: prettyFormat} = require('pretty-format');
 
 const val = {object: {}};
 val.circularReference = val;

package.json

@@ -141,6 +141,7 @@
     "node": ">= 10.14.2"
   },
   "resolutions": {
+    "@testing-library/dom": "patch:@testing-library/dom@*#./patches/dom-testing.diff",
     "@types/jest/jest-diff": "^25.1.0",
     "@types/jest/pretty-format": "^25.1.0"
   }

packages/jest-circus/src/formatNodeAssertErrors.ts

@@ -14,7 +14,7 @@ import {
   printExpected,
   printReceived,
 } from 'jest-matcher-utils';
-import prettyFormat = require('pretty-format');
+import prettyFormat from 'pretty-format';
 
 interface AssertionErrorWithStack extends AssertionError {
   stack: string;

packages/jest-circus/src/utils.ts

@@ -13,7 +13,7 @@ import StackUtils = require('stack-utils');
 import type {AssertionResult, Status} from '@jest/test-result';
 import type {Circus} from '@jest/types';
 import {ErrorWithStack, convertDescriptorToString, formatTime} from 'jest-util';
-import prettyFormat = require('pretty-format');
+import prettyFormat from 'pretty-format';
 import {ROOT_DESCRIBE_BLOCK_NAME, getState} from './state';
 
 const stackUtils = new StackUtils({cwd: 'A path that does not exist'});

packages/jest-config/src/Deprecated.ts

@@ -7,7 +7,7 @@
 
 import chalk = require('chalk');
 import type {DeprecatedOptions} from 'jest-validate';
-import prettyFormat = require('pretty-format');
+import prettyFormat from 'pretty-format';
 
 const format = (value: unknown) => prettyFormat(value, {min: true});
 

packages/jest-diff/README.md

@@ -165,7 +165,7 @@ You might call this function for case insensitive or Unicode equivalence compari
 ### Example of diffLinesUnified2
 
 ```js
-import format from 'pretty-format';
+import {format} from 'pretty-format';
 
 const a = {
   text: 'Ignore indentation in serialized object',

packages/jest-diff/src/index.ts

@@ -7,7 +7,10 @@
 
 import chalk = require('chalk');
 import getType = require('jest-get-type');
-import prettyFormat = require('pretty-format');
+import {
+  format as 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';
 import {diffLinesRaw, diffLinesUnified, diffLinesUnified2} from './diffLines';
@@ -33,7 +36,7 @@ const {
   Immutable,
   ReactElement,
   ReactTestComponent,
-} = prettyFormat.plugins;
+} = prettyFormatPlugins;
 
 const PLUGINS = [
   ReactTestComponent,

packages/jest-each/src/__tests__/array.test.ts

@@ -6,7 +6,7 @@
  *
  */
 
-import pretty = require('pretty-format');
+import {format as pretty} from 'pretty-format';
 import each from '../';
 
 const noop = () => {};

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

@@ -8,7 +8,7 @@
 
 import * as util from 'util';
 import type {Global} from '@jest/types';
-import pretty = require('pretty-format');
+import {format as pretty} from 'pretty-format';
 import type {EachTests} from '../bind';
 
 const SUPPORTED_PLACEHOLDERS = /%[sdifjoOp%]/g;