lazy-ass

Lazy assertions without performance penalty

v2.0.3 URL: https://unpkg.com/lazy-ass@2.0.3/dist/index.js

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assertion assertions browser debugging defensive lazy node

@nivinjoseph/n-defensive

Defensive programming library

v2.0.1 URL: https://unpkg.com/@nivinjoseph/n-defensive@2.0.1/dist/index.js

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defensive programming

@rightcapital/assertion-helpers

Type-safe assertion utilities for defensive programming.

v2.0.2 URL: https://unpkg.com/@rightcapital/assertion-helpers@2.0.2/lib/assertion-helpers.js

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assertion type-safe validation defensive TypeScript helpers utilities

offensive

Fast and boilerplate-free precondition checks for javascript.

v3.7.0 URL: https://unpkg.com/offensive@3.7.0/index.js

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contract precondition postcondition invariant offensive defensive programming duck-typing crash early fail fast readable boilerplate dsl browserify webpack typescript

fetch-prop

A handy utility for defensively extracting props from objects

v1.0.0 URL: https://unpkg.com/fetch-prop@1.0.0/index.js

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fetchProp fetch_prop fetch prop property props properties object defensive safe assert