Skill

generics-and-inference

Use when the task is fundamentally about generics, inference, narrowing precision, overload selection, or preserving type information through APIs.

Install

npx claudepluginhub joysusy/violet-plugin-place --plugin typescript-coding-engine

Tool Access

This skill uses the workspace's default tool permissions.

Preview

This bridge skill routes TypeScript work into the advanced lane where inference quality and generic relationships become the main pressure.

SKILL.md

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Last CommitMar 28, 2026

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Generics and Inference

Purpose

This bridge skill routes TypeScript work into the advanced lane where inference quality and generic relationships become the main pressure.

Use it when the task is about:

generic API design

inference collapse

overload shape selection

preserving literal or relational information through helpers

deciding whether a problem is truly advanced or still just weak foundations

Reading Path

Read ../../SKILL.md for the engine boundary.

Read ../../references/advanced/INDEX.md.

Read ../../references/advanced/type-level-programming-patterns.md.

If the task is practical and API-facing, also read ../../references/advanced/typescript-narrowing-branding-and-inference-cookbook.md.

If the issue still smells like ordinary widening, narrowing, or baseline type truth, route back to ../../references/foundations/INDEX.md.

Use ../../rules/types/INDEX.md only after the doctrinal lane is clear.

Pressure Classification

Classify the issue as one of:

generic constraint pressure

inference preservation pressure

overload or call-shape precision

widening loss that only appears advanced

advanced API surface design

Output Contract

Return:

primary advanced pressure class

why it belongs in generics/inference rather than foundations

the smallest honest fix family

one anti-pattern to avoid

the next exact doctrine file to read

Core Rule

Do not treat inference failures as excuses for any or blind assertions. Deep inference is a design property; if it keeps failing, name the lost information first.