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299 packages found

has-property-descriptors

Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.

published 1.0.1 a month ago

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has-proto

Does this environment have the ability to get the [[Prototype]] of an object on creation with `__proto__`?

published 1.0.1 a year ago

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has-flag

Check if argv has a specific flag

published 5.0.1 2 years ago

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hasown

A robust, ES3 compatible, "has own property" predicate.

published 2.0.0 a month ago

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for-in

Iterate over the own and inherited enumerable properties of an object, and return an object with properties that evaluate to true from the callback. Exit early by returning `false`. JavaScript/Node.js

published 1.0.2 7 years ago

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set-value

Set nested properties on an object using dot notation.

published 4.1.0 2 years ago

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has-value

Returns true if a value exists, false if empty. Works with deeply nested values using object paths.

published 2.0.2 6 years ago

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for-own

Iterate over the own enumerable properties of an object, and return an object with properties that evaluate to true from the callback. Exit early by returning `false`. JavaScript/Node.js.

published 1.0.0 7 years ago

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has-values

Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.

published 2.0.1 6 years ago

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@stdlib/assert-has-own-property

Test if an object has a specified property.

published 0.1.1 2 months ago

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css-has-pseudo

Style elements relative to other elements in CSS

published 6.0.0 5 months ago

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union-value

Set an array of unique values as the property of an object. Supports setting deeply nested properties using using object-paths/dot notation.

published 2.0.1 4 years ago

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has-ansi

Check if a string has ANSI escape codes

published 5.0.1 2 years ago

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types.js

A tiny and fast dynamic type checker/enforcer library

published 2.0.1 a month ago

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has-yarn

Check if a project is using Yarn

published 3.0.0 2 years ago

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cache-base

Basic object cache with `get`, `set`, `del`, and `has` methods for node.js/javascript projects.

published 4.0.2 2 years ago

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@stdlib/assert-has-tostringtag-support

Detect native Symbol.toStringTag support.

published 0.1.1 2 months ago

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@stdlib/assert-has-symbol-support

Detect native Symbol support.

published 0.1.1 2 months ago

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map-cache

Basic cache object for storing key-value pairs.

published 0.2.2 8 years ago

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@stdlib/assert-has-float64array-support

Detect native Float64Array support.

published 0.1.1 2 months ago

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