in ts getters using 'this' doesn't affect

[squarexyz]

Reproduction

https://play.pinia.vuejs.org/#eNqNVE1vGjEQ/SvWXoAG7KS0UYUgoq1ySA9t1fS4l/0YwMQeW7aXIKH97521YSFpFfW2nnnz5s2zZw/ZZ2v5roFsls195aQNzENoLFMFrhd5Fnye3eUotTUusANrPDwG44C1bOWMZgMuKtNgAMeDH+SYY2XQE0kELXr8cJTjXKQOxEeHANqqIgCdGJuXTQgG2bJSsnqivrGe49UVtX/AyoEGpP6HRMyRte1cpCIimIueLRtnSexEF5ZvvUEa7dD1yI8JmmjGYqSLWYmy6CJ5JuI3B68npTPPnmbaEnh8gi7JJ1HDLhij/KSwMpVtQrB+JkRVI+FrUHLnOEIQaLX4q2Z5yz/yG6FkKaiRkFjD/mUbqpjUoP+H/QRdXvObD/w2su6mR1LdsXakbY4t2RI8Xc1Krl+ZUhltpQL3wwZJV/fCnEIp8/wtxoJroJdYbaB6+kd86/dJ9U8HZN8OLsYKhVtDSOn7x++wp+8+qU3dKEK/kfwF3qim05hgXxqsSfYFLqp9iHcscf3b3+8DoD8N1QmNbkR8tPnrG6Of5U759MLF82snC/u1qGEl8dVmxNdEK9GDHKz6JHWP2wL7mExL0y/X4pJwODj2HIyTPB/ooc/YcMQWd2x4oGJKz9g1a0dxNtJNaN8PU5umVF1BLBzNGDa6BNdVxwiPBOwde3+0siirjv4SGDbS80REwE9nI4sqetc3k6dlJXnHEEvVsQstdIyRm8lS+i9k7R8SN4D2

Steps to reproduce the bug

"pinia": "^2.1.7",
"node": "21.5.0"
"typescript": "~5.3.0",
"vite": "^5.0.10",
"vitest": "^1.0.4",
"vue-tsc": "^1.8.26"

// tsconfig
"compilerOptions": {
"composite": true,
"noEmit": true,
"baseUrl": ".",
"strict": true,
"paths": {
"@/": ["./src/"]
}
}

Expected behavior

use this autocompletion and typings for the whole store

Actual behavior

this not affect

Additional information

No response

[posva]

this in arrow functions is different: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Arrow_functions

You just need to use a regular function