Search results

1000+ packages found

Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.

published version 3.1.1, a year ago811 dependents licensed under $MIT
174,239,892

Returns true if a value has the characteristics of a valid JavaScript data descriptor.

published version 2.1.3, a year ago813 dependents licensed under $MIT
107,325,616

Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.

published version 3.0.5, a year ago817 dependents licensed under $MIT
107,328,842

Isomorphic, functional type-checking for Javascript

published version 7.3.0, 5 months ago75 dependents licensed under $MIT
23,397,521

Convert a string to a valid safe filename

published version 6.0.0, 2 years ago467 dependents licensed under $MIT
22,066,674

A simple and composable way to validate data in JavaScript (and TypeScript).

published version 2.0.2, 9 months ago735 dependents licensed under $MIT
10,811,121

Returns true if a windows file path has invalid characters.

published version 1.0.2, 7 years ago44 dependents licensed under $MIT
8,754,248

Return true if a value is a valid glob pattern or patterns.

published version 1.0.0, 8 years ago82 dependents licensed under $MIT
9,416,246

Test component compliance with web accessibility standards

published version 8.6.11, 18 hours ago1300 dependents licensed under $MIT
10,505,426

Returns true if a file path does not contain any invalid characters.

published version 0.1.1, 10 years ago258 dependents licensed under $MIT
5,907,584

Detect if a string is a data URL

published version 5.0.0, 2 years ago27 dependents licensed under $MIT
4,808,251

Validates if a value is an integer array.

published version 1.0.0, 10 years ago6 dependents
3,880,240

Validates if a value is an array.

published version 1.0.6, 10 years ago96 dependents licensed under $MIT
4,315,309

Validates if a value is a function.

published version 1.0.2, 10 years ago198 dependents
4,150,984

Test if a value is object-like.

published version 0.2.2, 8 months ago15 dependents licensed under $Apache-2.0
1,899,169

Test if a value is a regular expression.

published version 0.2.2, 8 months ago6 dependents licensed under $Apache-2.0
1,874,042

Test if a value is a regular expression string.

published version 0.2.2, 8 months ago72 dependents licensed under $Apache-2.0
1,453,688

Check whether a RegExp flag is supported

published version 2.0.0, 4 years ago5 dependents licensed under $MIT
2,159,841

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

published version 0.2.2, 8 months ago4 dependents licensed under $Apache-2.0
1,896,154

Test if a value is a Uint8Array.

published version 0.2.2, 8 months ago63 dependents licensed under $Apache-2.0
1,767,453