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1227 packages found

@sindresorhus/is

Type check values

sindresorhus
published 6.3.0 4 days ago
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@stdlib/assert

Standard assertion utilities.

stdlib-bot
published 0.2.1 3 months ago
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ow

Function argument validation for humans

sindresorhus
published 1.1.1 a year ago
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primitive-predicates

A simple TypeScript library providing type guards for the primitive types in JavaScript.

salmonmode
published 2.1.4 a month ago
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@stdlib/math-base-assert-is-nan

Test if a double-precision floating-point numeric value is NaN.

stdlib-bot
published 0.2.1 2 months ago
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@stdlib/assert-is-string

Test if a value is a string.

stdlib-bot
published 0.2.1 2 months ago
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is-lite

A tiny javascript type testing tool

gilbarbara
published 1.2.1 4 months ago
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@stdlib/assert-is-number

Test if a value is a number.

stdlib-bot
published 0.2.1 2 months ago
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@stdlib/assert-is-boolean

Test if a value is a boolean.

stdlib-bot
published 0.2.1 2 months ago
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@stdlib/assert-is-function

Test if a value is a function.

stdlib-bot
published 0.2.1 2 months ago
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@stdlib/assert-is-plain-object

Test if a value is a plain object.

stdlib-bot
published 0.2.1 2 months ago
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@stdlib/math-base-assert-is-infinite

Test if a double-precision floating-point numeric value is infinite.

stdlib-bot
published 0.2.1 2 months ago
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xarg

A small tool for validating arguments in JavaScript

olehch
published 1.0.11 10 months ago
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@stdlib/assert-is-uint8array

Test if a value is a Uint8Array.

stdlib-bot
published 0.2.1 2 months ago
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@vitruvius-labs/ts-predicate

TypeScript predicates library

smashingquasar
published 4.0.1 2 months ago
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tychecker

Check data type

shaynlink
published 0.7.0 10 months ago
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@stdlib/assert-is-array

Test if a value is an array.

stdlib-bot
published 0.2.1 2 months ago
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@stdlib/assert-is-buffer

Test if a value is a Buffer object.

stdlib-bot
published 0.2.1 2 months ago
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component-type

Type assertions aka less-broken `typeof`

sindresorhus
published 2.0.0 5 months ago
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@stdlib/assert-is-positive-integer

Test if a value is a number having a positive integer value.

stdlib-bot
published 0.2.1 2 months ago
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