12345678910111213141516171819202122232425262728293031323334 |
- var castSlice = require('./_castSlice'),
- hasUnicode = require('./_hasUnicode'),
- stringToArray = require('./_stringToArray'),
- 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)
- ? 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;
|