Run Jest-compatible unit tests for JavaScript and TypeScript projects with Vite-native transforms.
npx skills add https://github.com/JBonfim/skill-developer --skill vitest-jbonfim
Please help me install this Agent Skill. Skill: vitest Source: https://github.com/JBonfim/skill-developer/tree/main/.agents/skills/vitest Command: npx skills add https://github.com/JBonfim/skill-developer --skill vitest-jbonfim
Vitest eliminates slow, brittle test workflows by providing a Jest-compatible unit testing framework that runs efficiently alongside Vite.
test, expect, describe, and assertion patterns while leveraging Vitest’s native behavior.vi, DOM testing via environments like jsdom, snapshots, coverage, and advanced filtering for CI.Use the vitest skill to add and run unit tests for your Vite-based codebase with Jest-like syntax.
High-intent search queries and answers about installing and using this skill.
Write unit tests for Vite projects using Vitest's Jest-compatible API, defining tests with `test` and `describe`, asserting with `expect`, and executing transforms natively through Vite's pipeline for fast, reliable iteration.
Configure `vitest.config.ts` to enable code coverage and filter specific tests for CI. This test runner configuration supports defining projects, environments, and snapshots to manage execution scope.
Yes, you can use jsdom environments for DOM testing and apply mocking with `vi` utilities. Vitest supports module stubbing, mocking, and timer manipulation to isolate real-world test scenarios.
Migrating Jest tests to Vitest provides Vite-native execution and consistent module handling. You reuse familiar `test`, `expect`, and `describe` assertion patterns while leveraging Vitest's native transforms.
Yes, Vitest supports TypeScript test files and module stubbing. It transforms and resolves tests through Vite's pipeline, using `vi` utilities to mock modules, stub dependencies, and manipulate timers.
Use snapshots and fixtures in unit testing to capture component output and manage test data. Vitest supports these real-world test needs alongside mocking and coverage to ensure reliable JavaScript validation.
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