How to globally stub component in vue test utils jest?

I have registered a component globally and have used in multiple files. There are more than 100 test cases files having both mount and shallowMount used, so i cannot go to each testcase and change mount to shallowMount.

Is there any way to stub component globally instead of going to each testcase and manually stubbing it.

That's probably best done from a Jest setup file so that the stub is set for all tests:

// jest.config.js
module.exports = {
  setupFiles: ['<rootDir>/jest.setup.js'],
}

In the setup file, you can stub components globally with Vue Test Utils' config.global.stubs:

// jest.setup.js
import { config } from '@vue/test-utils'

// @vue/test-utils@v1
config.stubs['my-component'] = { template: '<div />' }

// @vue/test-utils@v2
config.global.stubs['my-component'] = { template: '<div />' }