`hardhat` support for `pnpm`

Question

Trying to use hardhat via pnpm.

With command:

pnpm add -D @nomicfoundation/hardhat-toolbox

Get following error:

devDependencies:
+ @nomicfoundation/hardhat-toolbox 1.0.2

 WARN  Issues with peer dependencies found
.
├─┬ @nomicfoundation/hardhat-toolbox 1.0.2
│ ├── ✕ missing peer @ethersproject/abi@^5.4.7
│ ├── ✕ missing peer @ethersproject/providers@^5.4.7
│ ├── ✕ missing peer @nomicfoundation/hardhat-network-helpers@^1.0.0
│ ├── ✕ missing peer @nomicfoundation/hardhat-chai-matchers@^1.0.0
│ ├── ✕ missing peer @nomiclabs/hardhat-ethers@^2.0.0
│ ├── ✕ missing peer @nomiclabs/hardhat-etherscan@^3.0.0
│ ├── ✕ missing peer @types/chai@^4.2.0
│ ├── ✕ missing peer @types/mocha@^9.1.0
│ ├── ✕ missing peer @types/node@>=12.0.0
│ ├── ✕ missing peer @typechain/ethers-v5@^10.1.0
│ ├── ✕ missing peer @typechain/hardhat@^6.1.2
│ ├── ✕ missing peer chai@^4.2.0
│ ├── ✕ missing peer ethers@^5.4.7
│ ├── ✕ missing peer hardhat-gas-reporter@^1.0.8
│ ├── ✕ missing peer solidity-coverage@^0.7.21
│ ├── ✕ missing peer ts-node@>=8.0.0
│ ├── ✕ missing peer typechain@^8.1.0
│ └── ✕ missing peer typescript@>=4.5.0
└─┬ hardhat 2.11.1
  ├── ✕ missing peer ts-node@"*"
  └── ✕ missing peer typescript@"*"
Peer dependencies that should be installed:
  @ethersproject/abi@^5.4.7                        @types/mocha@^9.1.0                              
  @ethersproject/providers@^5.4.7                  @types/node@>=12.0.0                             
  @nomicfoundation/hardhat-chai-matchers@^1.0.0    chai@^4.2.0                                      
  @nomicfoundation/hardhat-network-helpers@^1.0.0  ethers@^5.4.7                                    
  @nomiclabs/hardhat-ethers@^2.0.0                 hardhat-gas-reporter@^1.0.8                      
  @nomiclabs/hardhat-etherscan@^3.0.0              solidity-coverage@^0.7.21                        
  @typechain/ethers-v5@^10.1.0                     ts-node@>=8.0.0                                  
  @typechain/hardhat@^6.1.2                        typechain@^8.1.0                                 
  @types/chai@^4.2.0                               typescript@>=4.5.0                               

Progress: resolved 294, reused 284, downloaded 0, added 1, done

I've seen several other packages that doesn't work with pnpm too before.

So, what's the reason cause such issue, is it pnpm or specific packages (e.g hardhat) responsible for such issue?

I really prefer to use pnpm, because it's much quicker than npm.

Peer dependencies are things the library needs but inspects you to install. Nothing pnpm specific about that — Joe, Sep 14 '22 at 09:19
Some versions of NPM automatically install peerDependencies, but pnpm doesn't by default. You can choose this behavior though: https://stackoverflow.com/questions/72468635/pnpm-peer-dependencies-auto-install — Joe, Sep 15 '22 at 20:10

score 2 · Accepted Answer · answered Oct 07 '22 at 11:01

2

Try the command:

pnpm config set auto-install-peers true

After that, just repeat your command and it will automatically install all the dependencies.

answered Oct 07 '22 at 11:01

Danil Galas

36
1

That seem to work, I put `auto-install-peers=true` into `.npmrc`. – Eric Oct 07 '22 at 12:41

`hardhat` support for `pnpm`

1 Answers1