refactor(@jest-reporters): move helpers from utils.ts into separate files

CHANGELOG.md

@@ -6,6 +6,8 @@
 
 ### Chore & Maintenance
 
+- `[@jest-reporters]` Move helper functions from `utils.ts` into separate files ([#12782](https://github.com/facebook/jest/pull/12782))
+
 ### Performance
 
 ## 28.0.3

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

@@ -0,0 +1,97 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import {expectError, expectType} from 'tsd-lite';
+import {utils} from '@jest/reporters';
+import type {
+  AggregatedResult,
+  Config,
+  SnapshotSummary,
+  SummaryOptions,
+  TestResult,
+} from '@jest/reporters';
+
+declare const aggregatedResults: AggregatedResult;
+declare const globalConfig: Config.GlobalConfig;
+declare const projectConfig: Config.ProjectConfig;
+declare const snapshot: TestResult['snapshot'];
+declare const snapshotSummary: SnapshotSummary;
+declare const summaryOptions: SummaryOptions;
+declare const testResult: TestResult;
+
+// utils.formatTestPath()
+
+expectType<string>(utils.formatTestPath(globalConfig, 'some/path'));
+expectType<string>(utils.formatTestPath(projectConfig, 'some/path'));
+expectError(utils.formatTestPath());
+expectError(utils.formatTestPath({}, 'some/path'));
+expectError(utils.formatTestPath(globalConfig, 123));
+expectError(utils.formatTestPath(projectConfig, 123));
+
+// utils.getResultHeader()
+
+expectType<string>(
+  utils.getResultHeader(testResult, globalConfig, projectConfig),
+);
+expectType<string>(utils.getResultHeader(testResult, globalConfig));
+expectError(utils.getResultHeader());
+expectError(utils.getResultHeader({}, globalConfig));
+expectError(utils.getResultHeader({}, globalConfig, projectConfig));
+expectError(utils.getResultHeader(testResult, {}));
+expectError(utils.getResultHeader(testResult, globalConfig, {}));
+
+// utils.getSnapshotStatus()
+
+expectType<Array<string>>(utils.getSnapshotStatus(snapshot, true));
+expectError(utils.getSnapshotStatus());
+expectError(utils.getSnapshotStatus({}, true));
+expectError(utils.getSnapshotStatus(snapshot, 123));
+
+// utils.getSnapshotSummary()
+
+expectType<Array<string>>(
+  utils.getSnapshotSummary(snapshotSummary, globalConfig, 'press `u`'),
+);
+expectError(utils.getSnapshotSummary());
+expectError(utils.getSnapshotSummary({}, globalConfig, 'press `u`'));
+expectError(utils.getSnapshotSummary(snapshotSummary, {}, 'press `u`'));
+expectError(utils.getSnapshotSummary(snapshotSummary, globalConfig, true));
+
+// utils.getSummary()
+
+expectType<string>(utils.getSummary(aggregatedResults, summaryOptions));
+expectType<string>(utils.getSummary(aggregatedResults));
+expectError(utils.getSummary());
+expectError(utils.getSummary({}));
+expectError(utils.getSummary(aggregatedResults, true));
+
+// utils.printDisplayName()
+
+expectType<string>(utils.printDisplayName(projectConfig));
+expectError(utils.printDisplayName());
+expectError(utils.printDisplayName({}));
+
+// utils.relativePath()
+
+expectType<{basename: string; dirname: string}>(
+  utils.relativePath(globalConfig, 'some/path'),
+);
+expectType<{basename: string; dirname: string}>(
+  utils.relativePath(projectConfig, 'some/path'),
+);
+expectError(utils.relativePath());
+expectError(utils.relativePath({}, 'some/path'));
+expectError(utils.relativePath(projectConfig, true));
+
+// utils.trimAndFormatPath()
+
+expectType<string>(utils.trimAndFormatPath(2, globalConfig, 'some/path', 4));
+expectError(utils.trimAndFormatPath());
+expectError(utils.trimAndFormatPath(true, globalConfig, 'some/path', 4));
+expectError(utils.trimAndFormatPath(2, {}, 'some/path', 4));
+expectError(utils.trimAndFormatPath(2, globalConfig, true, 4));
+expectError(utils.trimAndFormatPath(2, globalConfig, 'some/path', '4'));

packages/jest-reporters/__typetests__/tsconfig.json

@@ -0,0 +1,12 @@
+{
+  "extends": "../../../tsconfig.json",
+  "compilerOptions": {
+    "composite": false,
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "skipLibCheck": true,
+
+    "types": []
+  },
+  "include": ["./**/*"]
+}

packages/jest-reporters/package.json

@@ -33,11 +33,13 @@
     "jest-worker": "^28.0.2",
     "slash": "^3.0.0",
     "string-length": "^4.0.1",
+    "strip-ansi": "^6.0.0",
     "terminal-link": "^2.0.0",
     "v8-to-istanbul": "^9.0.0"
   },
   "devDependencies": {
     "@jest/test-utils": "^28.0.2",
+    "@tsd/typescript": "~4.6.2",
     "@types/exit": "^0.1.30",
     "@types/glob": "^7.1.1",
     "@types/graceful-fs": "^4.1.3",
@@ -49,7 +51,7 @@
     "@types/node-notifier": "^8.0.0",
     "jest-resolve": "^28.0.3",
     "mock-fs": "^5.1.2",
-    "strip-ansi": "^6.0.0"
+    "tsd-lite": "^0.5.1"
   },
   "peerDependencies": {
     "node-notifier": "^8.0.1 || ^9.0.0 || ^10.0.0"

packages/jest-reporters/src/Status.ts

@@ -14,13 +14,11 @@ import type {
   TestResult,
 } from '@jest/test-result';
 import type {Config} from '@jest/types';
+import getSummary from './getSummary';
+import printDisplayName from './printDisplayName';
+import trimAndFormatPath from './trimAndFormatPath';
 import type {ReporterOnStartOptions} from './types';
-import {
-  getSummary,
-  printDisplayName,
-  trimAndFormatPath,
-  wrapAnsiString,
-} from './utils';
+import wrapAnsiString from './wrapAnsiString';
 
 const RUNNING_TEXT = ' RUNS ';
 const RUNNING = `${chalk.reset.inverse.yellow.bold(RUNNING_TEXT)} `;

packages/jest-reporters/src/SummaryReporter.ts

@@ -16,8 +16,8 @@ import {testPathPatternToRegExp} from 'jest-util';
 import BaseReporter from './BaseReporter';
 import getResultHeader from './getResultHeader';
 import getSnapshotSummary from './getSnapshotSummary';
+import getSummary from './getSummary';
 import type {ReporterOnStartOptions} from './types';
-import {getSummary} from './utils';
 
 const TEST_SUMMARY_THRESHOLD = 20;
 

packages/jest-reporters/src/__tests__/utils.test.ts

@@ -9,7 +9,9 @@ import * as path from 'path';
 import chalk = require('chalk');
 import stripAnsi = require('strip-ansi');
 import {makeProjectConfig} from '@jest/test-utils';
-import {printDisplayName, trimAndFormatPath, wrapAnsiString} from '../utils';
+import printDisplayName from '../printDisplayName';
+import trimAndFormatPath from '../trimAndFormatPath';
+import wrapAnsiString from '../wrapAnsiString';
 
 describe('wrapAnsiString()', () => {
   it('wraps a long string containing ansi chars', () => {

packages/jest-reporters/src/formatTestPath.ts

@@ -0,0 +1,20 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import * as path from 'path';
+import chalk = require('chalk');
+import slash = require('slash');
+import type {Config} from '@jest/types';
+import relativePath from './relativePath';
+
+export default function formatTestPath(
+  config: Config.GlobalConfig | Config.ProjectConfig,
+  testPath: string,
+): string {
+  const {dirname, basename} = relativePath(config, testPath);
+  return slash(chalk.dim(dirname + path.sep) + chalk.bold(basename));
+}

packages/jest-reporters/src/getResultHeader.ts

@@ -10,7 +10,8 @@ import terminalLink = require('terminal-link');
 import type {TestResult} from '@jest/test-result';
 import type {Config} from '@jest/types';
 import {formatTime} from 'jest-util';
-import {formatTestPath, printDisplayName} from './utils';
+import formatTestPath from './formatTestPath';
+import printDisplayName from './printDisplayName';
 
 const LONG_TEST_COLOR = chalk.reset.bold.bgRed;
 // Explicitly reset for these messages since they can get written out in the

packages/jest-reporters/src/getSnapshotSummary.ts

@@ -9,7 +9,7 @@ import chalk = require('chalk');
 import type {SnapshotSummary} from '@jest/test-result';
 import type {Config} from '@jest/types';
 import {pluralize} from 'jest-util';
-import {formatTestPath} from './utils';
+import formatTestPath from './formatTestPath';
 
 const ARROW = ' \u203A ';
 const DOWN_ARROW = ' \u21B3 ';