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28 lines
801 B
28 lines
801 B
2 years ago
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var defaults = require('./defaults');
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var isUndef = require('./isUndef');
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exports = function(txt, width) {
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var options =
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arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
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defaults(options, defOptions);
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var ellipsis = options.ellipsis,
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separator = options.separator;
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var len = txt.length;
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if (width > len) return txt;
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var end = width - ellipsis.length;
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if (end < 1) return ellipsis;
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var ret = txt.slice(0, end);
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if (isUndef(separator)) return ret + ellipsis;
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if (txt.indexOf(separator, end) !== end) {
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var idx = ret.lastIndexOf(separator);
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if (idx > -1) {
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ret = ret.slice(0, idx);
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}
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}
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return ret + ellipsis;
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};
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var defOptions = {
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ellipsis: '...'
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};
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module.exports = exports;
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