Does this skill support the latest timezone standards?

Yes, it includes patterns for date-fns v4 using @date-fns/tz and TZDate, as well as legacy support for date-fns-tz used in version 3.x.

How does this skill help with application performance?

It enforces modular imports, allowing build tools to tree-shake unused functions, which significantly reduces the final JavaScript bundle size compared to libraries like Moment.js.

Why is immutability important for date operations?

Mutating dates can lead to difficult-to-trace bugs, especially in frameworks like React or Vue. Pure functions ensure that original date objects remain unchanged, returning a new instance instead.

Why use date-fns instead of the native Date object?

date-fns provides a richer, consistent API that handles browser inconsistencies, complex formatting, and locales much more reliably than the native Date constructor.

Is this skill compatible with TypeScript?

Yes, it is designed for 100% TypeScript compatibility, utilizing built-in type definitions, named exports, and 'import type' conventions.

Date-fns Web Utilities

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

byagents-inc

0•

开发者工具

Implements tree-shakeable, functional date and time operations using date-fns patterns for TypeScript and JavaScript applications.

This skill provides a comprehensive set of patterns and best practices for integrating the date-fns library into modern web projects, focusing on modularity and performance. It emphasizes tree-shaking to keep bundle sizes small, immutability through pure functions to prevent side effects, and strict type safety for TypeScript environments. Whether you are handling locale-aware formatting, complex date arithmetic, or advanced timezone conversions with the latest v4 standards, this skill ensures your date logic is robust, testable, and follows industry standards like Unicode TR35 tokens.

主要功能

01Modern timezone and DST handling with TZDate and @date-fns/tz

020 GitHub stars

03Tree-shakeable imports to minimize application bundle size

04Pure, immutable date manipulation functions to prevent side effects

05Locale-aware formatting and internationalization support

06Standardized ISO 8601 parsing using parseISO to avoid browser bugs

使用场景

01Generating locale-specific date displays for global web applications

02Building reliable scheduling and billing logic with date arithmetic

03Managing complex timezone conversions for multi-region software services

主要功能

01Modern timezone and DST handling with TZDate and @date-fns/tz

020 GitHub stars

03Tree-shakeable imports to minimize application bundle size

04Pure, immutable date manipulation functions to prevent side effects

05Locale-aware formatting and internationalization support

06Standardized ISO 8601 parsing using parseISO to avoid browser bugs

使用场景

01Generating locale-specific date displays for global web applications

02Building reliable scheduling and billing logic with date arithmetic

03Managing complex timezone conversions for multi-region software services