var castSlice = require('./_castSlice'),
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hasUnicode = require('./_hasUnicode'),
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stringToArray = require('./_stringToArray'),
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toString = require('./toString');
|
|
/**
|
* Creates a function like `_.lowerFirst`.
|
*
|
* @private
|
* @param {string} methodName The name of the `String` case method to use.
|
* @returns {Function} Returns the new case function.
|
*/
|
function createCaseFirst(methodName) {
|
return function(string) {
|
string = toString(string);
|
|
var strSymbols = hasUnicode(string)
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? stringToArray(string)
|
: undefined;
|
|
var chr = strSymbols
|
? strSymbols[0]
|
: string.charAt(0);
|
|
var trailing = strSymbols
|
? castSlice(strSymbols, 1).join('')
|
: string.slice(1);
|
|
return chr[methodName]() + trailing;
|
};
|
}
|
|
module.exports = createCaseFirst;
|
