ow

Function argument validation for humans

v2.0.0 URL: https://unpkg.com/ow@2.0.0/index.js

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type types check checking guard guards assert assertion predicate predicates is validate validation utility util typeof instanceof object

@leonzalion/ow

Function argument validation for humans

v0.28.3 URL: https://unpkg.com/@leonzalion/ow@0.28.3/index.js

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type types check checking guard guards assert assertion predicate predicates is validate validation utility util typeof instanceof object

predicate

A set of predicate functions to improve your value testing and comparisons.

v2.0.0 URL: https://unpkg.com/predicate@2.0.0/index.js

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functional predicates predicate pred type instance comparator compare curry partial testing test chain chaining

@dec-land/as-is

Type predicate functions for checking if a value is of a specific type or asserting that it is.

v1.1.1 URL: https://unpkg.com/@dec-land/as-is@1.1.1/dist/index.js

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assert as is type guard check helpers util predicate

@michaelallenwarner/el-is

A tiny TypeScript type guard (predicate-function) for narrowing a DOM element by tag-name.

v1.1.0 URL: https://unpkg.com/@michaelallenwarner/el-is@1.1.0/lib/index.js

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typescript browser dom element HTMLElement html html element SVGElement MathMLElement svg element mathml element type type guard type predicate type predicate function guard predicate