WritableComputed type is lost

[posva]

Reproduction

https://play.pinia.vuejs.org/#eNqNVU1v2kAQ/SsjX2wksJumSiUKhKRN1faQVkkuVd2DsQe8wd619sNQIf57x7vYmDSJChd75828N7Mz4513VVVhbdAbexOVSlZpUKhNBUXCV9PY0yr2ZjFnZSWkhh0YhfdaSIQ9LKUowQ+jVBiuUYZa+TGPeSq4oiAWNO3wwSCmY3oIFwmnvyLb25hPIkdKFPSisayKRCO9AUwyVs9+CiOJyDCtYJGoNeox7HbgwofOcG3PYb+fRI1L6wv1iC0pgxPWsEC+0rnNCehnSb6U5RBYkziWCv4IA3lSY8PznC8RkRR3Ap8E9zUUbI2gcywvjxIo9sJoLTjM04Kl66dKKH9fSCoy+qTmDinxFNvAsGFE5MxqErlALrOTHGe3QgNyYVZ569qT8IKAftXCyqg88J2vPyAlV1nWhuoRT6Le3XhDz/XDqEyq8FEJTt2zaxjjg4Gahu7JlSH2KsZZ0pzEXmSfQ1TlaCHFRlHbPBJ42ELn1IpRhrUWolCjpGLOLde6UuMoSjNO+AwLVsuQo454VUb/+MwvwovwLCrYIiKiiPEMt6c05DHKsPyf6C10/iY8exe+t1Hr80PQsonaBN3HfE9l0Yq6f8lWT4qSirJiBcrvlWY0HSfFSYpCbL7ZMy0NdhLTHNP1M+ePautU/5BI5auxl5ZO5Aq1M9/c3+KWnjtjKTJTEPoV4x0qUZhGo4NdG56R7B7Oqv1q75jx1YO62Wrkqk2qEWqrYfG2zB9fSf0o9zw871XxuFCohN3myXDJ+JPlY7uJtk4HkrgcQlNuozHrYKTDribcWpjbUN0mm/ZDB/6B3R9CMIDpzMl1Lif7ZtqQBb/a2RmCn1RVgc3D8egw4b8HH45RjgugFRocSkLVGB9YT4a0TgpDc8sK0hUE1nQEwXRKq6Sd4MNN0Q6nSBw3nxvImBaZpPt6ITIpeYaOZvt1LriElgDGzu7o9y7bdkm2HH6O1D0+RBE83INYNxhJ3xrJ6eL6AoZdiZqGoA+Ht/8LgWlAcw==

Steps to reproduce the bug

• check store.ts

Expected behavior

No TS error

Actual behavior

writable computed is coerced to a simple getter

Additional information

This might require some Types refactor

[posva]

Note: different types for the setter and getter cannot be supported until the feature is supported in TS:

• Variant accessors for index signatures and mapped types microsoft/TypeScript#43826

[Q16solver]

This doesn't seem to work when the variable ref is extracted via storeToRefs whereas it was fine before (prior to vue 3.5 I believe), is this expected?

[martn001]

I can confirm that the bug seems to be solved with the newest pinia version! I am using "vue": "^3.5.9", and "pinia": "^2.2.3",.

[posva]

This doesn't seem to work when the variable ref is extracted via storeToRefs whereas it was fine before (prior to vue 3.5 I believe), is this expected?

A fix is on the way

[Q16solver]

Insane speed, kudos to you my man

[ghost]

Works fine but Vue DevTools still coerce WritableComputed to getters

[CyanSalt]

Unfortunately, in the code WritableComputedRef<infer R, infer _S> in 94f5a63, the two type parameters of WritableComputedRef are incompatible with Vue 2.7, which will cause all getters of setup store under Vue 2.7 to be inferred as any.

[CyanSalt]

I tried changing WritableComputedRef<infer R, infer _S> to Readonly<WritableComputedRef<infer R>> and it works fine in both Vue 2.7 and Vue 3.x

[posva]

I just released a patch with that changes @CyanSalt