MCPcopy
hub / github.com/jestjs/jest

github.com/jestjs/jest @v30.4.2 sqlite

3,918 symbols 17,614 edges 2,006 files 186 documented

Extension points exported contracts — how you extend this code

CallbackTestRunnerInterface (Interface)
(no doc) [9 implementers]
packages/jest-runner/src/types.ts
TaskQueue (Interface)
(no doc) [5 implementers]
packages/jest-worker/src/types.ts
Reporter (Interface)
(no doc) [4 implementers]
packages/jest-reporters/src/types.ts
IModuleMap (Interface)
(no doc) [3 implementers]
packages/jest-haste-map/src/types.ts
TestPathPatternsLike (Interface)
(no doc) [2 implementers]
packages/jest-pattern/src/__tests__/TestPathPatterns.test.ts
FileSystem (Interface)
(no doc) [2 implementers]
packages/jest-snapshot/src/types.ts
NotUsedButTakesUpLines (Interface)
* Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in t
e2e/stack-trace-source-maps-with-coverage/lib.ts
NotUsedButTakesUpLines (Interface)
* Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in t
e2e/stack-trace-source-maps/__tests__/fails.ts

Core symbols highest fan-in

expect
called by 10078
packages/expect/src/index.ts
toBe
called by 4410
packages/expect/src/types.ts
fn
called by 1256
packages/jest-mock/src/index.ts
toEqual
called by 1059
packages/expect/src/types.ts
toMatchSnapshot
called by 802
packages/jest-snapshot/src/types.ts
runJest
called by 662
e2e/runJest.ts

Shape

Function 1,832
Method 1,419
Class 548
Interface 116
Enum 3

Dependencies from manifests, versioned

@angular/common21.0.0 · 1×
@angular/compiler21.0.0 · 1×
@angular/compiler-cli21.0.0 · 1×
@angular/core21.0.0 · 1×
@angular/platform-browser21.0.0 · 1×
@angular/platform-browser-dynamic21.0.0 · 1×
@babel-8/corenpm:@babel/core@8.0. · 1×
@babel-8/preset-reactnpm:@babel/preset-re · 1×
@babel-8/preset-typescriptnpm:@babel/preset-ty · 1×
@babel/code-frame7.27.1 · 1×
@babel/core7.27.4 · 1×
@babel/generator7.27.5 · 1×

For agents

$ claude mcp add jest \
  -- python -m otcore.mcp_server <graph>

⬇ download graph artifact