2023-12-22 15:14:03 +08:00
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/* eslint import/prefer-default-export: 0 */
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/**
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* @author MinusGix ( https://github.com/MinusGix )
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* @summary General string helper functions
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* @version v1.0.0
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* @description A library of several commonly used string functions
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* @module Text
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*/
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2023-06-02 02:16:12 +08:00
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/**
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* Check and trim string provided by remote client
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* @public
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* @param {string} text - Subject string
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* @return {string|null}
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*/
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export const parseText = (text) => {
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// verifies user input is text
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if (typeof text !== 'string') {
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return null;
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}
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let sanitizedText = text;
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// strip newlines from beginning and end
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sanitizedText = sanitizedText.replace(/^\s*\n|^\s+$|\n\s*$/g, '');
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// replace 3+ newlines with just 2 newlines
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sanitizedText = sanitizedText.replace(/\n{3,}/g, '\n\n');
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return sanitizedText;
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};
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