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2eff28fb7a
Greatly simplify how ESLint and its plugins are installed. PR-URL: https://github.com/nodejs/node/pull/53413 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
15 lines
428 B
JavaScript
15 lines
428 B
JavaScript
'use strict'
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module.exports = hexadecimal
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// Check if the given character code, or the character code at the first
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// character, is hexadecimal.
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function hexadecimal(character) {
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var code = typeof character === 'string' ? character.charCodeAt(0) : character
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return (
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(code >= 97 /* a */ && code <= 102) /* z */ ||
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(code >= 65 /* A */ && code <= 70) /* Z */ ||
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(code >= 48 /* A */ && code <= 57) /* Z */
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)
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}
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