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1000+ packages found

A tiny invariant function

published version 1.3.3, 9 months ago7357 dependents licensed under $MIT
54,138,318

invariant

published version 2.2.4, 7 years ago5756 dependents licensed under $MIT
75,612,452

A mirror of Facebook's Warning

published version 4.0.3, 6 years ago3042 dependents licensed under $MIT
36,837,226

flow typed nullthrows

published version 1.1.1, 6 years ago794 dependents licensed under $MIT
21,616,939

TypeScript implementation of invariant(condition, message)

published version 0.10.3, 3 years ago253 dependents licensed under $MIT
18,706,019

Type-safe implementation of invariant with positionals.

published version 1.4.3, 5 months ago53 dependents licensed under $MIT
16,071,485

turf invariant module

published version 7.1.0, 4 months ago162 dependents licensed under $MIT
13,314,922

Warning and invariant dev-ex messaging.

published version 1.0.8, 6 years ago219 dependents licensed under $MIT
7,562,715

invariantx

published version 4.0.2, 3 years ago11 dependents licensed under $MIT
7,462,008

Precondition checking utilities.

published version 0.2.3, 10 years ago41 dependents
2,595,848

Yet another JavaScript assertion/invariant library.

published version 1.0.2, 5 years ago2 dependents licensed under $MIT
908,302

Super-simple invariant function

published version 2.0.1, 4 years ago20 dependents licensed under $MIT
145,081

Stricter version of tiny-invariant

published version 2.0.5, a year ago13 dependents licensed under $MIT
139,763

Invariant and non-null/undefined assertion check with type guards

published version 0.3.4, 3 years ago32 dependents licensed under $ISC
19,384

Wrap invariant checks in NODE_ENV conditionals.

published version 4.0.1, 6 months ago3 dependents licensed under $MIT
13,254

Declarative errors throwing for Node.js

published version 1.2.0, 6 years ago1 dependents licensed under $MIT
4,485

Allows for programming with assertions/invariant-based programming during development without slowing down production.

published version 1.3.2, 3 months ago3 dependents licensed under $BSD-3-Clause
4,829

rollup plugin for deassert

published version 1.3.0, 4 months ago0 dependents licensed under $BSD-3-Clause
2,379

A tiny invariant function

published version 1.2.0, 3 years ago10 dependents licensed under $MIT
1,564

Babel plugin to remove invariant arguments not needed during production builds.

published version 1.0.0, 6 years ago0 dependents licensed under $MIT
696