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Found 1,342 Skills
Implement internationalization with Lingui in React and JavaScript applications. Use when adding i18n, translating UI, working with Trans/useLingui/Plural, extracting messages, compiling catalogs, or when the user mentions Lingui, internationalization, i18n, translations, locales, message extraction, ICU MessageFormat, or working with .po files.
Generate Jest unit tests for JavaScript/TypeScript with mocking, coverage. Use for JS/TS modules, React components, test generation, or encountering missing coverage, improper mocking, test structure errors.
CSS, JavaScript, and HTML coding standards for Shopify Liquid themes. Covers BEM naming inside stylesheet tags, design tokens, CSS custom properties, Web Components for themes, defensive CSS, and progressive enhancement. Use when writing CSS/JS/HTML in .liquid files or theme asset files.
Universal coding standards, best practices, and patterns for TypeScript, JavaScript, React, and Node.js development.
Java Web dead code cleanup and refactoring expert. It safely identifies and removes dead code, with testing and verification performed at every step. Trigger conditions: User requests for dead code cleanup, refactoring optimization, and unused code removal.
Switch JDK, Kotlin, Gradle, Maven, or any SDKMAN-managed candidate when the user or runtime explicitly demands a different version. Use when the user says "switch to Java 17", "run with JDK 21", "use Gradle 8.x", asks about JAVA_HOME, a build fails with UnsupportedClassVersionError or "class file has wrong version", or the repo contains a `.sdkmanrc`. Operates on machines configured with SDKMAN (`$SDKMAN_DIR`, default `~/.sdkman`).
Use when you need to review, improve, or build Spring Boot 4.0.x applications — including proper usage of @SpringBootApplication, component annotations (@Controller, @Service, @Repository), bean definition and scoping, configuration classes and @ConfigurationProperties (with @Validated), component scanning, conditional configuration and profiles, constructor injection, @Primary and @Qualifier for multiple beans of the same type, bean minimization, graceful shutdown, virtual threads, Jakarta EE namespace consistency, and scheduled tasks. This should trigger for requests such as Review Java code for Spring Boot application; Apply best practices for Spring Boot application in Java code; Improve Spring Boot configuration properties and beans; Review Spring Boot component scanning and profiles; Tune Spring Boot graceful shutdown or virtual threads. Part of Plinth Toolkit
Build and migrate apps with the ArcGIS Maps SDK for JavaScript at the target ArcGIS Online or Enterprise version. Use when the user works with @arcgis/core, map components, MapView or SceneView, or migrates between 3.x, 4.x, or 5.x.
End-to-end workflow for creating complete JavaScript concept documentation, orchestrating all skills from research to final review
Discover the power of Web Components and how to build them with both JavaScript and Dart for reusable, framework-agnostic UI elements.
Spring Boot Java framework for microservices with auto-configuration. Use for enterprise Java.
Implements JavaScript classes in C++ using JavaScriptCore. Use when creating new JS classes with C++ bindings, prototypes, or constructors.