@stdlib/assert-is-digit-string

Test whether a string contains only numeric digits.

v0.2.2 URL: https://unpkg.com/@stdlib/assert-is-digit-string@0.2.2/lib/index.js

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stdlib stdassert assertion assert utilities utility utils util string str digit numeric number num is isstring isdigit isnumber isnum validate valid isvalid test check

@stdlib/assert-is-hex-string

Test whether a string contains only hexadecimal digits.

v0.2.2 URL: https://unpkg.com/@stdlib/assert-is-hex-string@0.2.2/lib/index.js

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stdlib stdassert assertion assert utilities utility utils util string str hex hexadecimal digit is isstring ishex ishexadecimal validate valid isvalid test check

has-flag

Check if argv has a specific flag

v5.0.1 URL: https://unpkg.com/has-flag@5.0.1/index.js

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has check detect contains find flag cli command-line argv process arg args argument arguments getopt minimist optimist

kind-of

Get the native type of a value.

v6.0.3 URL: https://unpkg.com/kind-of@6.0.3/index.js

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arguments array boolean check date function is is-type is-type-of kind kind-of number object of regexp string test type type-of typeof types

is-stream

Check if something is a Node.js stream

v4.0.1 URL: https://unpkg.com/is-stream@4.0.1/index.js

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stream type streams writable readable duplex transform check detect is