56 lines
1,016 B
JavaScript
56 lines
1,016 B
JavaScript
'use strict';
|
|
|
|
function preserveCamelCase(str) {
|
|
var isLastCharLower = false;
|
|
|
|
for (var i = 0; i < str.length; i++) {
|
|
var c = str.charAt(i);
|
|
|
|
if (isLastCharLower && (/[a-zA-Z]/).test(c) && c.toUpperCase() === c) {
|
|
str = str.substr(0, i) + '-' + str.substr(i);
|
|
isLastCharLower = false;
|
|
i++;
|
|
} else {
|
|
isLastCharLower = (c.toLowerCase() === c);
|
|
}
|
|
}
|
|
|
|
return str;
|
|
}
|
|
|
|
module.exports = function () {
|
|
var str = [].map.call(arguments, function (str) {
|
|
return str.trim();
|
|
}).filter(function (str) {
|
|
return str.length;
|
|
}).join('-');
|
|
|
|
if (!str.length) {
|
|
return '';
|
|
}
|
|
|
|
if (str.length === 1) {
|
|
return str;
|
|
}
|
|
|
|
if (!(/[_.\- ]+/).test(str)) {
|
|
if (str === str.toUpperCase()) {
|
|
return str.toLowerCase();
|
|
}
|
|
|
|
if (str[0] !== str[0].toLowerCase()) {
|
|
return str[0].toLowerCase() + str.slice(1);
|
|
}
|
|
|
|
return str;
|
|
}
|
|
|
|
str = preserveCamelCase(str);
|
|
|
|
return str
|
|
.replace(/^[_.\- ]+/, '')
|
|
.toLowerCase()
|
|
.replace(/[_.\- ]+(\w|$)/g, function (m, p1) {
|
|
return p1.toUpperCase();
|
|
});
|
|
};
|