17 lines
436 B
Plaintext
17 lines
436 B
Plaintext
const hexadecimalRegex = /[\dA-Fa-f]/
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/**
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* Configurable ways to encode characters as hexadecimal references.
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*
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* @param {number} code
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* @param {number} next
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* @param {boolean|undefined} omit
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* @returns {string}
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*/
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export function toHexadecimal(code, next, omit) {
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const value = '&#x' + code.toString(16).toUpperCase()
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return omit && next && !hexadecimalRegex.test(String.fromCharCode(next))
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? value
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: value + ';'
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}
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