To optimize the code, consider replacing the file:///home/ishan/.../node_modules/chai/index.mjs require statement with a dynamic import() function that can be used in all CommonJS modules

Currently, I am using the newest version of Hardhat on WSL. Following the demonstration provided by Hardhat, I have installed the npm packages for hardhat toolbox. However, I am encountering an error that is unclear to me.

Initially, I was utilizing the 'const' and 'require' format. Afterward, I switched to the 'import' format.

Typically, imports() are utilized in '.mjs' modules. Therefore, I thought perhaps I needed to change the 'type' to 'module'. Unfortunately, even after this adjustment (shown in the third iteration), the issue persists.

Interestingly, the 'node_modules/chai/index.mjs' file already employs an import statement!

Please provide guidance on how to proceed.

Below is my script file:

// const {ethers} = require("hardhat")
// const {expect} = require("chai")
import {expect} from 'chai'
import {ethers } from 'hardhat'

describe("SafeHeiro Base Implementation", function(){
    it("Should correctly assign the value '3' to 'Test' key", async function () {
        const safeHeiro = await ethers.deployContract('safeHeiro')
        await safeHeiro.waitForDeployment() 
        await safeHeiro.callThis()

        expect(await safeHeiro.getValueOfThis()).to.equal(3)
    })
})

Answer №1

Although I no longer have the exact code on hand, I can recall encountering a comparable scenario when attempting to import {express} from the 'express' package.

When dealing with importing cjs files, it's unnecessary to include '{' and '}'. You can simply name them like this:

import express from 'express'
import fs from 'fs'

Take a look at this example. I'm not sure if others will encounter the same issue, but once again I faced challenges with libraries and believe it's important to share my experience here. I was able to find inspiration and solve my problem through a resource I came across (although it pertained to a different codebase but had a similar/same issue)

Mix CommonJS and ES6 modules in same project

Make sure to read the response by @rukonmin

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