CODEWITHSUNDEEP
node.js
yappy twan
yappy twan

Reputation: 1211

npm error - verify that the package.json has a valid "main" entry

Im playing around with a simple trading bot using binance and cctx

when i run my script with node index.js

i get this long error:

internal/modules/cjs/loader.js:323
      throw err;
      ^

Error: Cannot find module '/home/ether/Documents/nodesendeth/node_modules/cctx/index.js'. Please verify that the package.json has a valid "main" entry
    at tryPackage (internal/modules/cjs/loader.js:315:19)
    at Function.Module._findPath (internal/modules/cjs/loader.js:703:18)
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:967:27)
    at Function.Module._load (internal/modules/cjs/loader.js:862:27)
    at Module.require (internal/modules/cjs/loader.js:1040:19)
    at require (internal/modules/cjs/helpers.js:72:18)
    at Object.<anonymous> (/home/ether/Documents/nodesendeth/index.js:2:14)
    at Module._compile (internal/modules/cjs/loader.js:1151:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1171:10)
    at Module.load (internal/modules/cjs/loader.js:1000:32) {
  code: 'MODULE_NOT_FOUND',
  path: '/home/ether/Documents/nodesendeth/node_modules/cctx/package.json',
  requestPath: 'cctx'
}

so it basically cant find the cctx module cctx was installed with npm i cctx and i also ran npm install afterwards just to make sure.

It also says verify that package.json file has a valid main entry, which it does:

{
  "name": "nodesendeth",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "cctx": "^1.0.1",
    "dotenv": "^8.2.0"
  }
}

I pasted the code to my script here https://paste.ubuntu.com/p/p4n6MH3vbn/

Also my await functions arent working- even though i use them in an async function

So Im not a 100% sure what exactly the error is, there is a main entry in the package.json file and the cctx module has been installed

Upvotes: 98

Views: 255406

Answers (8)

user16655390
user16655390

Reputation:

I have also faced the same Problem earlier. I solved the problem by deleting the node_modules folder and then

npm update

then

npm install

Upvotes: 8

Wisnu Wijokangko
Wisnu Wijokangko

Reputation: 2278

Remove your node_modules folder and run npm i

Upvotes: 152

Mohammad Lummim Sarker
Mohammad Lummim Sarker

Reputation: 61

Run npm update, it will fix the issue

Or you can also delete node_modules and the package-lock.json file then npm install will also solve the issue.

Upvotes: 6

Schon wieder am pasten naja
Schon wieder am pasten naja

Reputation: 553

  1. Delete node_modules
  2. Run "npm i"
  3. Fixed

For me, the cause was that I accidentally hit STRG + C while installing all the modules, which broke something.

Upvotes: 35

logicalicy
logicalicy

Reputation: 917

In my case, I was getting this error from my VS Code ESLint plugin output. However running the linter through the terminal was just fine. After exhausting other options, restarting VS Code did the trick and ESLint plugin runs.

Upvotes: 1

jerald jacob
jerald jacob

Reputation: 635

If you are working with firebase functions, and you are using TypeScript,

run the npm run build inside the Function directory

after that, a folder is generated in the current folder lib

then return back and fire!

$ firebase deploy

Upvotes: 3

Manuel Da Silva
Manuel Da Silva

Reputation: 101

If you are working with firebase functions, and you are using TypeScript, check the path to the generated index.js after npm run build.

In my case it was lib/functions/src/main.js.

setting:

"main": "lib/functions/src/index.js",

on package.json fixed the issue

Upvotes: 9

LMulvey
LMulvey

Reputation: 1670

https://www.npmjs.com/package/cctx <- Not a valid package. It's a typo for this package: https://www.npmjs.com/package/ccxt (CCXT instead of CCTX). Install that instead. The issue isn't with your code, it's that you installed the wrong package.

Upvotes: 3

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