Instrumentation not working

[Ex4l]

Hello I tried to instrument my project following your example and each test I got an error collecting code coverage :

Could not find any coverage information in your application by looking at the window coverage object. Did you forget to instrument your application? See code-coverage#instrument-your-application [@cypress/code-coverage]

Here are my files:

.nycrc.json

{
  "extends": "@istanbuljs/nyc-config-typescript",
  "all": true
}

babel.config.js

const { readFileSync } = require("fs");
const { join } = require("path");
const { CODE_COVERAGE } = process.env;
const plugins = [];

if (CODE_COVERAGE === true) plugins.push("istanbul");
const browsersList = readFileSync(join(__dirname, ".browserslistrc"), "utf8").split("\n");

module.exports = {
  presets: [
    [
      "next/babel",
      {
        "preset-env": {
          targets: browsersList,
        },
      },
    ],
  ],
  plugins
};

package.json

{
  "name": "my-project",
  "version": "1.0.0",
  "private": true,
  "scripts": {
    "dev": "CODE_COVERAGE=true ts-node --project tsconfig.server.json server/index.ts",
    "start": "NODE_ENV=production node server/index.js",
    "cypress": "CODE_COVERAGE=true cypress open --config-file cypress-local.json"
  },
  "dependencies": {
   ...
  },
  "devDependencies": {
    "@babel/core": "^7.14.6",
    "@cypress/code-coverage": "^3.9.10",
    "@istanbuljs/nyc-config-typescript": "^1.0.1",
    "@types/cypress-cucumber-preprocessor": "^4.0.1",
    "babel-loader": "^8.2.2",
    "babel-plugin-module-resolver": "^4.1.0",
    "source-map-support": "^0.5.19",
    "ts-node": "^10.0.0",
    "typescript": "4.2.2"
  },
  "cypress-cucumber-preprocessor": {
    "nonGlobalStepDefinitions": true
  }
}

Is there a bug with intrumentation ?