Property 'provider' does not exist on type 'JsonRpcProvider'

It happens when updating @usedapp/core from 0.9.1 to 0.10.0

[rzadp]

It is clearly a Web3Provider instance, but if I check it with instanceof, it is always false

import { Web3Provider } from "@ethersproject/providers"

console.log(library instanceof Web3Provider) // Always false

This might be a mistmatch of your @ethersproject/providers version on what is being used inside of useDapp.

UseDapp 1.0 allow you to set your own provider in readOnlyUrls, so you can feed your own provider into the config which will work the way you expect.

[SeanZom]

@Doko-Demo-Doa

library instanceof Web3Provider; // true

works for me when library is available

did you check if library isn’t ready when you log it?

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I think there is still a problem. If I check its instance:

It is clearly a Web3Provider instance, but if I check it with instanceof, it is always false

import { Web3Provider } from "@ethersproject/providers"

console.log(library instanceof Web3Provider) // Always false