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

is-fullwidth-code-point

Check if the character represented by a given Unicode code point is fullwidth

v5.0.0 URL: https://unpkg.com/is-fullwidth-code-point@5.0.0/index.js

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fullwidth full-width full width unicode character string codepoint code point is detect check east-asian-width

is-number

Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

v7.0.0 URL: https://unpkg.com/is-number@7.0.0/index.js

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cast check coerce coercion finite integer is isnan is-nan is-num is-number isnumber isfinite istype kind math nan num number numeric parseFloat parseInt test type typeof value