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Last change
on this file since d24f17c was d24f17c, checked in by Aleksandar Panovski <apano77@…>, 15 months ago |
Initial commit
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File size:
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1 | import isFunction from '../../isFunction';
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2 | import isNotUndefined from '../../isNotUndefined';
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3 | import repeat from './String.repeat';
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4 | var padStartPonyfill = function padStartPonyfill(padString, targetLength, value) {
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5 | // eslint-disable-next-line no-bitwise
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6 | var finalLength = targetLength >> 0; // truncate if number, or convert non-number to 0;
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7 | var finalPadString = String(isNotUndefined(padString) ? padString : ' ');
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8 |
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9 | // return the original string, if targeted length is less than original strings length
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10 | if (value.length >= finalLength) {
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11 | return String(value);
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12 | }
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13 | finalLength -= value.length;
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14 | if (finalLength > finalPadString.length) {
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15 | var lenghtToPad = finalLength / finalPadString.length;
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16 | // append to original to ensure we are longer than needed
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17 | finalPadString += isFunction(String.prototype.repeat) ? finalPadString.repeat(lenghtToPad) : repeat(finalPadString, lenghtToPad);
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18 | }
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19 | return finalPadString.slice(0, finalLength) + String(value);
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20 | };
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21 | export default padStartPonyfill; |
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