jest-resolve
Advanced tools
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.
Changelog
29.5.0
[jest-changed-files] Support Sapling (#13941)[jest-circus, @jest/cli, jest-config] Add feature to randomize order of tests via CLI flag or through the config file(#12922)[jest-cli, jest-config, @jest/core, jest-haste-map, @jest/reporters, jest-runner, jest-runtime, @jest/types] Add workerThreads configuration option to allow using worker threads for parallelization (#13939)[jest-cli] Export yargsOptions (#13970)[jest-config] Add openHandlesTimeout option to configure possible open handles warning. (#13875)[@jest/create-cache-key-function] Allow passing length argument to createCacheKey() function and set its default value to 16 on Windows (#13827)[jest-message-util] Add support for AggregateError (#13946 & #13947)[jest-message-util] Add support for Error causes in test and it (#13935 & #13966)[jest-reporters] Add summaryThreshold option to summary reporter to allow overriding the internal threshold that is used to print the summary of all failed tests when the number of test suites surpasses it (#13895)[jest-runtime] Expose @sinonjs/fake-timers async APIs functions advanceTimersByTimeAsync(msToRun) (tickAsync(msToRun)), advanceTimersToNextTimerAsync(steps) (nextAsync), runAllTimersAsync (runAllAsync), and runOnlyPendingTimersAsync (runToLastAsync) (#13981)[jest-runtime, @jest/transform] Allow V8 coverage provider to collect coverage from files which were not loaded explicitly (#13974)[jest-snapshot] Add support to cts and mts TypeScript files to inline snapshots (#13975)[jest-worker] Add start method to worker farms (#13937)[jest-worker] Support passing a URL as path to worker (#13982)[babel-plugin-jest-hoist] Fix unwanted hoisting of nested jest usages (#13952)[jest-circus] Send test case results for todo tests (#13915)[jest-circus] Update message printed on test timeout (#13830)[jest-circus] Avoid creating the word "testfalse" when takesDoneCallback is false in the message printed on test timeout AND updated timeouts test (#13954)[jest-environment-jsdom] Stop setting document to null on teardown (#13972)[@jest/expect-utils] Update toStrictEqual() to be able to check jest.fn().mock.calls (#13960)[@jest/test-result] Allow TestResultsProcessor type to return a Promise (#13950)[jest-snapshot] Remove dependency on jest-haste-map (#13977)FAQs
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The npm package jest-resolve receives a total of 21,807,254 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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