Last change
on this file since e29cc2e was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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100644
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File size:
323 bytes
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1 | 'use strict';
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2 | module.exports = function (str, sep) {
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3 | if (typeof str !== 'string') {
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4 | throw new TypeError('Expected a string');
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5 | }
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6 |
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7 | sep = typeof sep === 'undefined' ? '_' : sep;
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8 |
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9 | return str
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10 | .replace(/([a-z\d])([A-Z])/g, '$1' + sep + '$2')
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11 | .replace(/([A-Z]+)([A-Z][a-z\d]+)/g, '$1' + sep + '$2')
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12 | .toLowerCase();
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13 | };
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