72 lines
2.3 KiB
Plaintext
72 lines
2.3 KiB
Plaintext
/**
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* Copyright (C) 2017-present by Andrea Giammarchi - @WebReflection
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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const {replace} = '';
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// escape
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const es = /&(?:amp|#38|lt|#60|gt|#62|apos|#39|quot|#34);/g;
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const ca = /[&<>'"]/g;
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const esca = {
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'&': '&',
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'<': '<',
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'>': '>',
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"'": ''',
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'"': '"'
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};
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const pe = m => esca[m];
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/**
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* Safely escape HTML entities such as `&`, `<`, `>`, `"`, and `'`.
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* @param {string} es the input to safely escape
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* @returns {string} the escaped input, and it **throws** an error if
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* the input type is unexpected, except for boolean and numbers,
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* converted as string.
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*/
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export const escape = es => replace.call(es, ca, pe);
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// unescape
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const unes = {
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'&': '&',
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'&': '&',
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'<': '<',
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'<': '<',
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'>': '>',
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'>': '>',
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''': "'",
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''': "'",
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'"': '"',
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'"': '"'
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};
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const cape = m => unes[m];
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/**
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* Safely unescape previously escaped entities such as `&`, `<`, `>`, `"`,
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* and `'`.
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* @param {string} un a previously escaped string
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* @returns {string} the unescaped input, and it **throws** an error if
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* the input type is unexpected, except for boolean and numbers,
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* converted as string.
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*/
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export const unescape = un => replace.call(un, es, cape);
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