What steps should be taken to ensure Webpack stops execution and displays an error message when there are warnings emitted by j

How can I configure jshint-loader with Webpack to make the webpack command fail when JSHint emits warnings?

I want to ensure that the CI build fails if any linting issues are detected.

At the moment, my setup involves running jshint-loader on preload of JS files in Webpack:

// webpack.config.js
module.exports = {
  module: {
    preLoaders: [
      {
        test: /\.js/,
        exclude: /node_modules/,
        loader: 'jshint-loader',
      },
    ],
  },
};

Answer №1

To ensure jshint-loader is set up to detect issues and fail if necessary, the configuration should include failOnHint: true. Optionally, warnings can also be treated as errors in Webpack by adding emitErrors: true.

// Updated webpack.config.js
module.exports = {
  module: {
    preLoaders: [
      {
        test: /\.js/,
        exclude: /node_modules/,
        loader: 'jshint-loader',
      },
    ],
  },
  jshint: {
    emitErrors: true,
    failOnHint: true,
   },
};

To make sure Webpack fails abruptly, remember to include the --bail option like so: webpack --bail.

Update:

webpack --bail still doesn't give a non-zero exit code. Frustrating!

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