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jest-resolve
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Package description
The jest-resolve package is a module resolver used by Jest, the JavaScript testing framework. It resolves the location of modules in your project, allowing Jest to hook into the module resolution logic. This is particularly useful for mocking modules or creating custom resolution logic for tests.
Resolving modules
This feature allows you to resolve the path to a module within your project. You can specify directories and file extensions to consider during resolution.
const Resolver = require('jest-resolve');
const resolver = new Resolver({}, {
moduleDirectory: ['node_modules'],
extensions: ['.js', '.json', '.jsx', '.ts', '.tsx', '.node']
});
const resolvedPath = resolver.resolveModule('/path/to/project', 'module-name');
Creating a custom resolver
This feature enables you to create a custom resolver function that can be used by Jest to resolve modules according to your specific needs.
const Resolver = require('jest-resolve');
const customResolver = (request, options) => {
// Custom resolution logic here
return Resolver.findNodeModule(request, options);
};
The 'resolve' package is a module resolution library that can be used independently of any test framework. It provides similar functionality to jest-resolve but is not tied to Jest. It's more generic and can be used in a variety of different projects.
This package is used internally by webpack for module resolution. It offers a highly configurable resolution mechanism that can handle complex scenarios like resolving modules based on file system state or package descriptions. It's more powerful than jest-resolve but also more complex to configure.
browser-resolve is a resolver for browser-based modules. It's similar to jest-resolve but focuses on resolving modules in a way that's compatible with the browser environment, taking into account the browser field in package.json files.
FAQs
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The npm package jest-resolve receives a total of 25,619,806 weekly downloads. As such, jest-resolve popularity was classified as popular.
We found that jest-resolve demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 3 open source maintainers collaborating on the project.
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