What is preventing me from using the "@" symbol to substitute the lengthy relative path in my __tests__ directory?

When I initialized my Vue project using vue-cli, I encountered an issue where the use of @ in my src folder was functioning correctly, but not in my __tests__ folder. I have already added configurations to my tsconfig.json file, although I am unsure if it applies to this specific scenario.

"paths": {
  "@/*": ["src/*"]
},

Answer №1

In order to properly set up the test framework, it is important to configure the path aliases. This configuration is not automatically done with tsconfig.json or vue.config.js, or any other default config files.

To add path aliases in Jest, you can utilize the moduleNameMapper option:

// <projectRoot>/jest.config.js
module.exports = {
  moduleNameMapper: [
    '^@/(.*)$': '<rootDir>/src/$1'
  ]
}

This setup is typically taken care of when using @vue/cli-plugin-unit-jest. However, if you are setting up Jest manually without the plugin, make sure to include the above-mentioned configuration.

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