chore: create new @jest/source-maps package

CHANGELOG.md

@@ -78,6 +78,7 @@
 - `[jest-validate]`: Migrate to TypeScript ([#7991](https://github.com/facebook/jest/pull/7991))
 - `[docs]`: Update CONTRIBUTING.md to add information about running jest with `jest-circus` locally ([#8013](https://github.com/facebook/jest/pull/8013)).
 - `[@jest/core]`: Migrate to TypeScript ([#7998](https://github.com/facebook/jest/pull/7998))
+- `[@jest/source-map]`: Extract `getCallsite` function from `jest-util` into a new separate package ([#8029](https://github.com/facebook/jest/pull/8029))
 
 ### Performance
 

e2e/__tests__/__snapshots__/consoleAfterTeardown.test.ts.snap

@@ -15,6 +15,6 @@ PASS __tests__/console.test.js
       15 | });
       16 | 
 
-      at BufferedConsole.log (../../packages/jest-util/build/BufferedConsole.js:172:10)
+      at BufferedConsole.log (../../packages/jest-util/build/BufferedConsole.js:180:10)
       at log (__tests__/console.test.js:13:13)
 `;

packages/jest-runtime/package.json

@@ -11,6 +11,7 @@
   "types": "build/index.d.ts",
   "dependencies": {
     "@jest/environment": "^24.1.0",
+    "@jest/source-map": "^24.1.0",
     "@jest/transform": "^24.1.0",
     "@jest/types": "^24.1.0",
     "@types/yargs": "^12.0.2",

packages/jest-runtime/src/index.ts

@@ -6,13 +6,14 @@
  */
 
 import path from 'path';
-import {Config, SourceMaps} from '@jest/types';
+import {Config} from '@jest/types';
 import {
   Jest,
   JestEnvironment,
   LocalModuleRequire,
   Module,
 } from '@jest/environment';
+import {SourceMapRegistry} from '@jest/source-map';
 import jestMock, {MockFunctionMetadata} from 'jest-mock';
 import HasteMap, {ModuleMap} from 'jest-haste-map';
 import {formatStackTrace, separateMessageFromStack} from 'jest-message-util';
@@ -102,7 +103,7 @@ class Runtime {
   private _shouldAutoMock: boolean;
   private _shouldMockModuleCache: BooleanObject;
   private _shouldUnmockTransitiveDependenciesCache: BooleanObject;
-  private _sourceMapRegistry: SourceMaps.SourceMapRegistry;
+  private _sourceMapRegistry: SourceMapRegistry;
   private _scriptTransformer: ScriptTransformer;
   private _transitiveShouldMock: BooleanObject;
   private _unmockList: RegExp | undefined;
@@ -523,7 +524,7 @@ class Runtime {
     }, {});
   }
 
-  getSourceMaps(): SourceMaps.SourceMapRegistry {
+  getSourceMaps(): SourceMapRegistry {
     return this._sourceMapRegistry;
   }
 

packages/jest-runtime/tsconfig.json

@@ -14,6 +14,7 @@
     {"path": "../jest-regex-util"},
     {"path": "../jest-resolve"},
     {"path": "../jest-snapshot"},
+    {"path": "../jest-source-map"},
     {"path": "../jest-types"},
     {"path": "../jest-util"},
     {"path": "../jest-validate"},

packages/jest-source-map/.npmignore

@@ -0,0 +1,3 @@
+**/__mocks__/**
+**/__tests__/**
+src

packages/jest-source-map/package.json

@@ -0,0 +1,24 @@
+{
+  "name": "@jest/source-map",
+  "version": "24.1.0",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/facebook/jest.git",
+    "directory": "packages/jest-source-map"
+  },
+  "license": "MIT",
+  "main": "build/index.js",
+  "types": "build/index.d.ts",
+  "dependencies": {
+    "callsites": "^3.0.0",
+    "graceful-fs": "^4.1.15",
+    "source-map": "^0.6.0"
+  },
+  "devDependencies": {
+    "@types/graceful-fs": "^4.1.2"
+  },
+  "engines": {
+    "node": ">= 6"
+  },
+  "gitHead": "634e5a54f46b2a62d1dc81a170562e6f4e55ad60"
+}

packages/jest-util/src/getCallsite.ts → packages/jest-source-map/src/getCallsite.ts

@@ -8,7 +8,7 @@
 import fs from 'graceful-fs';
 import callsites, {CallSite} from 'callsites';
 import {SourceMapConsumer} from 'source-map';
-import {SourceMaps} from '@jest/types';
+import {SourceMapRegistry} from './types';
 
 // Copied from https://github.com/rexxars/sourcemap-decorate-callsites/blob/5b9735a156964973a75dc62fd2c7f0c1975458e8/lib/index.js#L113-L158
 const addSourceMapConsumer = (
@@ -46,10 +46,7 @@ const addSourceMapConsumer = (
   });
 };
 
-export default (
-  level: number,
-  sourceMaps?: SourceMaps.SourceMapRegistry | null,
-) => {
+export default (level: number, sourceMaps?: SourceMapRegistry | null) => {
   const levelAfterThisCall = level + 1;
   const stack = callsites()[levelAfterThisCall];
   const sourceMapFileName = sourceMaps && sourceMaps[stack.getFileName() || ''];

packages/jest-source-map/src/index.ts

@@ -0,0 +1,9 @@
+/**
+ * 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.
+ */
+
+export {default as getCallsite} from './getCallsite';
+export {SourceMapRegistry} from './types';

packages/jest-source-map/tsconfig.json

@@ -0,0 +1,7 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "rootDir": "src",
+    "outDir": "build"
+  }
+}

packages/jest-types/src/index.ts

@@ -8,8 +8,7 @@
 import * as Config from './Config';
 import * as Console from './Console';
 import * as Matchers from './Matchers';
-import * as SourceMaps from './SourceMaps';
 import * as TestResult from './TestResult';
 import * as Global from './Global';
 
-export {Config, Console, Matchers, SourceMaps, TestResult, Global};
+export {Config, Console, Matchers, TestResult, Global};

packages/jest-util/package.json

@@ -11,6 +11,7 @@
   "types": "build/index.d.ts",
   "dependencies": {
     "@jest/fake-timers": "^24.1.0",
+    "@jest/source-map": "^24.1.0",
     "@jest/types": "^24.1.0",
     "@types/node": "*",
     "callsites": "^3.0.0",

packages/jest-util/src/BufferedConsole.ts

@@ -9,19 +9,17 @@ import assert from 'assert';
 import {Console} from 'console';
 import {format} from 'util';
 import chalk from 'chalk';
-import {Console as ConsoleType, SourceMaps} from '@jest/types';
-import getCallsite from './getCallsite';
+import {Console as ConsoleType} from '@jest/types';
+import {getCallsite, SourceMapRegistry} from '@jest/source-map';
 
 export default class BufferedConsole extends Console {
   private _buffer: ConsoleType.ConsoleBuffer;
   private _counters: ConsoleType.LogCounters;
   private _timers: ConsoleType.LogTimers;
   private _groupDepth: number;
-  private _getSourceMaps: () => SourceMaps.SourceMapRegistry | null | undefined;
+  private _getSourceMaps: () => SourceMapRegistry | null | undefined;
 
-  constructor(
-    getSourceMaps: () => SourceMaps.SourceMapRegistry | null | undefined,
-  ) {
+  constructor(getSourceMaps: () => SourceMapRegistry | null | undefined) {
     const buffer: ConsoleType.ConsoleBuffer = [];
     super({
       write: (message: string) => {
@@ -42,7 +40,7 @@ export default class BufferedConsole extends Console {
     type: ConsoleType.LogType,
     message: ConsoleType.LogMessage,
     level?: number | null,
-    sourceMaps?: SourceMaps.SourceMapRegistry | null,
+    sourceMaps?: SourceMapRegistry | null,
   ) {
     const callsite = getCallsite(level != null ? level : 2, sourceMaps);
     const origin = callsite.getFileName() + ':' + callsite.getLineNumber();

packages/jest-util/src/index.ts

@@ -7,6 +7,7 @@
 
 // TODO: Remove this export in the next major
 import {JestFakeTimers as FakeTimers} from '@jest/fake-timers';
+import {getCallsite} from '@jest/source-map';
 import BufferedConsole from './BufferedConsole';
 import clearLine from './clearLine';
 import CustomConsole from './CustomConsole';
@@ -18,7 +19,6 @@ import getConsoleOutput from './getConsoleOutput';
 import installCommonGlobals from './installCommonGlobals';
 import NullConsole from './NullConsole';
 import isInteractive from './isInteractive';
-import getCallsite from './getCallsite';
 import setGlobal from './setGlobal';
 import deepCyclicCopy from './deepCyclicCopy';
 import convertDescriptorToString from './convertDescriptorToString';

packages/jest-util/tsconfig.json

@@ -6,6 +6,7 @@
   },
   "references": [
     {"path": "../jest-fake-timers"},
+    {"path": "../jest-source-map"},
     {"path": "../jest-types"}
   ]
 }

yarn.lock

@@ -1784,14 +1784,6 @@
     "@types/prop-types" "*"
     csstype "^2.2.0"
 
-"@types/readable-stream@^2.3.0":
-  version "2.3.1"
-  resolved "https://registry.yarnpkg.com/@types/readable-stream/-/readable-stream-2.3.1.tgz#59d458b51c84c585caea06e296e2225057c9ea8e"
-  integrity sha512-Dp6t95yGEOm2y669mQrSl0kUg+oL+bJEiCWMyDv0Yq+FcVvjzNRLTAqJks2LDBYYrazZXNI7lZXq3lp7MOvt4A==
-  dependencies:
-    "@types/node" "*"
-    safe-buffer "*"
-
 "@types/resolve@*":
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/@types/resolve/-/resolve-0.0.8.tgz#f26074d238e02659e323ce1a13d041eee280e194"
@@ -11516,7 +11508,7 @@ rxjs@^6.4.0:
   dependencies:
     tslib "^1.9.0"
 
-safe-buffer@*, safe-buffer@5.1.2, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+safe-buffer@5.1.2, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==