main
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Last change
on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
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Update repo after prototype presentation
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set to
100644
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File size:
756 bytes
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| [d565449] | 1 | 'use strict';
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| 2 |
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| 3 | var trimStart = require('string.prototype.trimstart');
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| 4 | var trimEnd = require('string.prototype.trimend');
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| 5 |
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| 6 | var $TypeError = require('es-errors/type');
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| 7 |
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| 8 | var RequireObjectCoercible = require('./RequireObjectCoercible');
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| 9 | var ToString = require('./ToString');
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| 10 |
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| 11 | // https://262.ecma-international.org/10.0/#sec-trimstring
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| 12 |
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| 13 | module.exports = function TrimString(string, where) {
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| 14 | var str = RequireObjectCoercible(string);
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| 15 | var S = ToString(str);
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| 16 | var T;
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| 17 | if (where === 'start') {
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| 18 | T = trimStart(S);
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| 19 | } else if (where === 'end') {
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| 20 | T = trimEnd(S);
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| 21 | } else if (where === 'start+end') {
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| 22 | T = trimStart(trimEnd(S));
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| 23 | } else {
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| 24 | throw new $TypeError('Assertion failed: invalid `where` value; must be "start", "end", or "start+end"');
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| 25 | }
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| 26 | return T;
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| 27 | };
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