Can I use this skill for international applications?

Absolutely. It provides standardized patterns for locale-aware formatting, allowing you to easily adapt date and time displays to different regional conventions using date-fns/locale.

Why use this skill instead of native JavaScript Dates?

Native Date objects suffer from browser inconsistencies and allow mutation. This skill enforces date-fns patterns which are immutable, tree-shakeable, and behave consistently across all environments.

Does this skill support the latest date-fns v4 features?

Yes, it includes specific patterns for date-fns v4 timezone handling using the new @date-fns/tz package and TZDate class while providing migration context from v3.

How does this skill improve application performance?

It mandates the use of modular imports, ensuring that your bundler can perform effective tree-shaking and only include the specific date-fns functions your application actually uses.

Date-fns TypeScript Utilities

Name: Date-fns TypeScript Utilities
Author: agents-inc

byagents-inc

•

开发者工具

Standardizes date formatting, parsing, and manipulation using modular, tree-shakeable date-fns patterns in TypeScript.

This skill equips Claude with specialized patterns and best practices for implementing date-fns in modern TypeScript projects. It ensures that date operations are performant, immutable, and tree-shakeable by enforcing strict coding standards, such as using parseISO for string parsing and utilizing named constants for format strings. By providing a comprehensive framework for handling timezones, internationalization, and date arithmetic, this skill helps developers avoid common pitfalls of the native JavaScript Date object and maintain high-quality, production-grade codebases.

主要功能

01Safe ISO 8601 parsing with mandatory validation checks

02Standardized Unicode TR35 format token patterns

031 GitHub stars

04Cross-version timezone handling for both date-fns v3 and v4

05Immutable date arithmetic and semantic comparison logic

06Tree-shakeable modular imports to minimize bundle size

使用场景

01Generating locale-aware date displays for internationalized applications

02Implementing robust date range calculations for calendars and scheduling systems

03Ensuring consistent date parsing and validation in API request handling and data processing

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add agents-inc/skills web-utilities-date-fns

For use in Claude.ai and ChatGPT

主要功能

01Safe ISO 8601 parsing with mandatory validation checks

02Standardized Unicode TR35 format token patterns

031 GitHub stars

04Cross-version timezone handling for both date-fns v3 and v4

05Immutable date arithmetic and semantic comparison logic

06Tree-shakeable modular imports to minimize bundle size

使用场景

01Generating locale-aware date displays for internationalized applications

02Implementing robust date range calculations for calendars and scheduling systems

03Ensuring consistent date parsing and validation in API request handling and data processing

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add agents-inc/skills web-utilities-date-fns

For use in Claude.ai and ChatGPT