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1000+ packages found

Check if a string is a valid filename

published version 4.0.0, 3 years ago115 dependents licensed under $MIT
260,422

Validate hostname based on RFC-1123

published version 1.0.2, 3 years ago15 dependents licensed under $MIT
224,170

Validate object properties in javascript.

published version 5.2.0, 3 years ago159 dependents licensed under $MIT
175,610

Return a function which tests if every element in an array-like object passes a test condition.

published version 0.2.2, 4 months ago25 dependents licensed under $Apache-2.0
198,371

Test if a value is typed-array-like.

published version 0.2.2, 4 months ago25 dependents licensed under $Apache-2.0
162,741

Test if a value is an array-like object of numbers.

published version 0.2.2, 4 months ago15 dependents licensed under $Apache-2.0
152,185

Test if a value is a Uint8ClampedArray.

published version 0.2.2, 4 months ago1 dependents licensed under $Apache-2.0
146,062

Test if a value is an Int16Array.

published version 0.2.2, 4 months ago1 dependents licensed under $Apache-2.0
146,060

Validates if a value is a Buffer object.

published version 1.0.2, 9 years ago5 dependents licensed under $MIT
152,341

Test if a value is a collection.

published version 0.2.2, 4 months ago134 dependents licensed under $Apache-2.0
152,295

Test if a value is an Int32Array.

published version 0.2.2, 4 months ago4 dependents licensed under $Apache-2.0
146,047

Validates if a value is a nonnegative integer.

published version 1.0.0, 10 years ago98 dependents
176,419

Test if a value is an Error object.

published version 0.2.2, 4 months ago341 dependents licensed under $Apache-2.0
134,941

Determinate if a string is a valid URI.

published version 1.2.6, a year ago17 dependents licensed under $MIT
120,566

Validates if a value is a string primitive.

published version 1.0.1, 8 years ago212 dependents licensed under $MIT
163,437

Validates if a value is a number primitive and an integer.

published version 1.0.0, 10 years ago7 dependents
153,081

Validates if a value is a number primitive, excluding NaN.

published version 1.0.0, 10 years ago101 dependents
153,678

Validates if a value is array-like.

published version 1.0.2, 9 years ago94 dependents licensed under $MIT
153,075

Validates if a value is ndarray-like.

published version 1.0.0, 10 years ago2 dependents licensed under $MIT
120,049

Test if a value is an Int8Array.

published version 0.2.2, 4 months ago1 dependents licensed under $Apache-2.0
146,116