Developer Tools●Mid
The elegant type-safe module composable library
Yet another DI library when Awilix and Inversify already exist.
Slick
jeremy_su
103mo ago
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GitHub Repository
TypeScript-first Japanese postal code (郵便番号) lookup with address autofill and a Vue 3 composable. Zero dependencies, fully typed.
1 starsTypeScript
Nihonpost – Japanese postal code lookup for Vue 3
by kitsunechaos·Jul 12, 2026·2 points·0 comments
AI Analysis
●●SolidNiche GemCozy
Smart chunked JSON loading beats heavy API dependencies for Japanese address forms.
Strengths
- •Chunked data loading by prefix keeps initial bundle size tiny despite 124k codes.
- •Monthly CI pipeline auto-updates the address dataset without manual maintainer intervention.
- •Built-in normalization handles full-width characters and 〒 symbols seamlessly.
Weaknesses
- •Vue 3 composable limits audience; framework-agnostic core is less convenient to use.
- •Solves a specific regional problem that most global developers will never encounter.
Category
Target Audience
Vue 3 developers building Japanese localization features
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