25 lines
828 B
JavaScript
25 lines
828 B
JavaScript
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import { truncate } from './helpers.js';
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const stringEscapeChars = new RegExp("['\\u0000-\\u001f\\u007f-\\u009f\\u00ad\\u0600-\\u0604\\u070f\\u17b4\\u17b5" +
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'\\u200c-\\u200f\\u2028-\\u202f\\u2060-\\u206f\\ufeff\\ufff0-\\uffff]', 'g');
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const escapeCharacters = {
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'\b': '\\b',
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'\t': '\\t',
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'\n': '\\n',
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'\f': '\\f',
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'\r': '\\r',
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"'": "\\'",
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'\\': '\\\\',
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};
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const hex = 16;
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const unicodeLength = 4;
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function escape(char) {
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return (escapeCharacters[char] ||
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`\\u${`0000${char.charCodeAt(0).toString(hex)}`.slice(-unicodeLength)}`);
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}
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export default function inspectString(string, options) {
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if (stringEscapeChars.test(string)) {
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string = string.replace(stringEscapeChars, escape);
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}
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return options.stylize(`'${truncate(string, options.truncate - 2)}'`, 'string');
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}
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