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is-4byte-code-point

1.0.0
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  • License MIT

Check if a given number is a code point of UTF-8 4-byte character

Package Exports

  • is-4byte-code-point

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (is-4byte-code-point) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

is-4byte-code-point

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Check if a given number is a code point of UTF-8 4-byte character

import is4byteCodePoint from 'is-4byte-code-point';

is4byteCodePoint('Ａ'.codePointAt(0)); //=> false
is4byteCodePoint('👍'.codePointAt(0)); //=> true

Installation

npm

npm install is-4byte-code-point

Bower

bower install is-4byte-code-point

is4byteCodePoint(number)

number: Number
Return: Boolean

It returns true if the number is no fewer than 65536 and no greater than 1114111, otherwise false.

is4byteCodePoint(-1); //=> false
is4byteCodePoint(0); //=> false
is4byteCodePoint(100000); //=> true
is4byteCodePoint(1000000); //=> false
is4byteCodePoint(NaN); //=> false
is4byteCodePoint(Infinity); //=> false

License

Copyright (c) 2016 Shinnosuke Watanabe

Licensed under the MIT License.