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

hazmat

Validation and sanitization of input parameters

v0.1.4 URL: https://unpkg.com/hazmat@0.1.4/lib/hazmat.js

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validate validator validation defensive contract assert sanitize

offensive

Fast and boilerplate-free precondition checks for javascript.

v3.6.0 URL: https://unpkg.com/offensive@3.6.0/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