jest

built-in
0.0% Savings
0 Commands
0 Tokens saved
2 Tests

Install

tokf install b080de03a7a60deab61e21f83177da3d69ed0cbc3f4ecb00e965cc3d3b1f5460
Safety checks passed

Filter definition

command = "jest"
strip_ansi = true
skip = [
  "^\\s*$",
  "^> ",
  "^\\s*npm (warn|notice|WARN|verbose|info|timing|error|ERR)",
  "^\\s*WARN\\s",
  "^\\s*console\\.log",
  "^\\s*at Object",
]

[on_success]
tail = 15

[on_failure]
tail = 30

Examples

jest failure shows error details, strips npm noise ~150 tokens → ~96 tokens (36% saved)
Raw output
> jest-test-project@1.0.0 test
> jest

FAIL src/utils.test.ts
  ● add › handles negative numbers

    expect(received).toBe(expected)

    Expected: 1
    Received: -1

       8 |   it('handles negative numbers', () => {
       9 |     expect(add(-1, 0)).toBe(1);
      10 |   });

PASS src/app.test.ts

Test Suites: 1 failed, 1 passed, 2 total
Tests:       1 failed, 4 passed, 5 total
Snapshots:   0 total
Time:        1.456 s
npm verbose cli /usr/bin/node /usr/lib/node_modules/npm/bin/npm-cli.js
npm info using npm@10.9.2
npm verbose cwd /home/user/myapp
npm verbose exit 1
npm verbose code 1
Filtered output
FAIL src/utils.test.ts
  ● add › handles negative numbers
    expect(received).toBe(expected)
    Expected: 1
    Received: -1
       8 |   it('handles negative numbers', () => {
       9 |     expect(add(-1, 0)).toBe(1);
      10 |   });
PASS src/app.test.ts
Test Suites: 1 failed, 1 passed, 2 total
Tests:       1 failed, 4 passed, 5 total
Snapshots:   0 total
Time:        1.456 s
jest success shows test summary, strips npm noise ~94 tokens → ~36 tokens (62% saved)
Raw output
> jest-test-project@1.0.0 test
> jest

PASS src/utils.test.ts
PASS src/app.test.ts

Test Suites: 2 passed, 2 total
Tests:       5 passed, 5 total
Snapshots:   0 total
Time:        1.234 s
npm verbose cli /usr/bin/node /usr/lib/node_modules/npm/bin/npm-cli.js
npm info using npm@10.9.2
npm info using node@v23.9.0
npm verbose cwd /home/user/myapp
npm verbose exit 0
npm info ok
Filtered output
PASS src/utils.test.ts
PASS src/app.test.ts
Test Suites: 2 passed, 2 total
Tests:       5 passed, 5 total
Snapshots:   0 total
Time:        1.234 s
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