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Last change
on this file since d565449 was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
Update repo after prototype presentation
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File size:
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[d565449] | 1 | import castSlice from './_castSlice.js';
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| 2 | import hasUnicode from './_hasUnicode.js';
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| 3 | import stringToArray from './_stringToArray.js';
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| 4 | import toString from './toString.js';
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| 5 |
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| 6 | /**
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| 7 | * Creates a function like `_.lowerFirst`.
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| 8 | *
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| 9 | * @private
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| 10 | * @param {string} methodName The name of the `String` case method to use.
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| 11 | * @returns {Function} Returns the new case function.
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| 12 | */
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| 13 | function createCaseFirst(methodName) {
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| 14 | return function(string) {
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| 15 | string = toString(string);
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| 16 |
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| 17 | var strSymbols = hasUnicode(string)
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| 18 | ? stringToArray(string)
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| 19 | : undefined;
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| 20 |
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| 21 | var chr = strSymbols
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| 22 | ? strSymbols[0]
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| 23 | : string.charAt(0);
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| 24 |
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| 25 | var trailing = strSymbols
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| 26 | ? castSlice(strSymbols, 1).join('')
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| 27 | : string.slice(1);
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| 28 |
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| 29 | return chr[methodName]() + trailing;
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| 30 | };
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| 31 | }
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| 32 |
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| 33 | export default createCaseFirst;
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