BASH SCRIPT FOR TESTING JS FUNCTION WITH JEST

testing-script.sh

#!/bin/bash
VERSION="0.1"
NAME=$1
JQ=$(which jq)
WGET=$(which wget)
NPM=$(npm --version)
NPM=${NPM::1}

echo "Ejecutar con bash commandNAME folderNAME"

if [ -z "$JQ" ]; then
  echo "jq not detected. Install with sudo apt-get install jq"
  exit
fi

if [ -z "$WGET" ]; then
  echo "wget not detected. Install with sudo apt-get install wget"
  exit
fi

if [[ "$NPM" == "6" ]]; then
  echo "npm7 is required. Install with npm install -g npm"
  exit
fi

if [ $# -eq 0 ]; then
  echo "mkweb $VERSION. Sintaxis:"
  echo -e "  $(basename $0) <nombre-carpeta>\n"
  echo "Recuerda que necesitas tener instalado jq, wget y npm7+."
  exit
fi

mkdir $NAME

cd $NAME

git init

# npm install --save-dev jest

cat >package.json << EOF
{
  "name": "testing-js",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "type": "module",
  "scripts": {
    "test": "jest",
    "test:watch": "jest --watch"
  },
  "author": "",
  "license": "ISC",
  "devDependencies": {
    "@babel/plugin-transform-modules-commonjs": "^7.15.4",
    "@types/jest": "^27.0.2",
    "eslint": "^7.32.0",
    "eslint-config-prettier": "^8.3.0",
    "eslint-config-standard": "^16.0.3",
    "eslint-plugin-import": "^2.24.2",
    "eslint-plugin-node": "^11.1.0",
    "eslint-plugin-promise": "^5.1.0",
    "eslint-plugin-standard": "^5.0.0",
    "jest": "^27.2.4"
  }
}
EOF

npm i

cat >.gitignore << EOF
node_modules
.vscode
EOF

cat > .babelrc << EOF
{
   "plugins": ["@babel/plugin-transform-modules-commonjs"] 
}
EOF

cat > .eslintrc.js << EOF

module.exports = {
  env: {
    commonjs: true,
    es6: true,
    node: true,
    jest: true,
  },
  extends: ["standard", "prettier"],
  globals: {
    Atomics: "readonly",
    SharedArrayBuffer: "readonly",
  },
  parserOptions: {
    ecmaVersion: 2018,
  },
  rules: {},
}
EOF


mkdir src
cd src

mkdir __tests__
cat > main.js <<EOF
export function mainFuction() {
  return true;
}
EOF

cd __tests__
cat > main.test.js <<EOF
import { mainFuction } from "../main";

describe("Main function test", () => {
  it("Function returns true", () => {
    expect(dummy()).toEqual(true);
  })
})
EOF

cat << EOF
¡Listo! Para empezar, escribe:
cd $NAME
git remote add origin <repo>
npm install
npm jest --watch
EOF

Ejecutar con bash testing-script.sh nameFolderProject