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31 lines
899 B
31 lines
899 B
3 years ago
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var $export = require('./_export');
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var defined = require('./_defined');
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var fails = require('./_fails');
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var spaces = require('./_string-ws');
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var space = '[' + spaces + ']';
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var non = '\u200b\u0085';
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var ltrim = RegExp('^' + space + space + '*');
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var rtrim = RegExp(space + space + '*$');
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var exporter = function (KEY, exec, ALIAS) {
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var exp = {};
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var FORCE = fails(function () {
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return !!spaces[KEY]() || non[KEY]() != non;
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});
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var fn = exp[KEY] = FORCE ? exec(trim) : spaces[KEY];
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if (ALIAS) exp[ALIAS] = fn;
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$export($export.P + $export.F * FORCE, 'String', exp);
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};
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// 1 -> String#trimLeft
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// 2 -> String#trimRight
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// 3 -> String#trim
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var trim = exporter.trim = function (string, TYPE) {
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string = String(defined(string));
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if (TYPE & 1) string = string.replace(ltrim, '');
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if (TYPE & 2) string = string.replace(rtrim, '');
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return string;
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};
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module.exports = exporter;
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