30 lines
962 B
JavaScript
30 lines
962 B
JavaScript
"use strict";
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function truncate(str, options = {}) {
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if (typeof str !== 'string')
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throw new TypeError('str must be a string!');
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const length = options.length || 30;
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const omission = options.omission || '...';
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const { separator } = options;
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const omissionLength = omission.length;
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if (str.length < length)
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return str;
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if (separator) {
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const words = str.split(separator);
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let result = '';
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let resultLength = 0;
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for (const word of words) {
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if (resultLength + word.length + omissionLength < length) {
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result += word + separator;
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resultLength = result.length;
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}
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else {
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return result.substring(0, resultLength - 1) + omission;
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}
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}
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}
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else {
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return str.substring(0, length - omissionLength) + omission;
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}
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}
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module.exports = truncate;
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//# sourceMappingURL=truncate.js.map
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