wecui
Version:
一款基于Vue2.x版本的移动端web组件
138 lines (116 loc) • 3.61 kB
JavaScript
// =========
// = humps =
// =========
// Underscore-to-camelCase converter (and vice versa)
// for strings and object keys
// humps is copyright © 2012+ Dom Christie
// Released under the MIT license.
;(function(global) {
var _processKeys = function(convert, obj, options) {
if(!_isObject(obj) || _isDate(obj) || _isRegExp(obj) || _isBoolean(obj)) {
return obj;
}
var output,
i = 0,
l = 0;
if(_isArray(obj)) {
output = [];
for(l=obj.length; i<l; i++) {
output.push(_processKeys(convert, obj[i], options));
}
}
else {
output = {};
for(var key in obj) {
if(obj.hasOwnProperty(key)) {
output[convert(key, options)] = _processKeys(convert, obj[key], options);
}
}
}
return output;
};
// String conversion methods
var separateWords = function(string, options) {
options = options || {};
var separator = options.separator || '_';
var split = options.split || /(?=[A-Z])/;
return string.split(split).join(separator);
};
var camelize = function(string) {
if (_isNumerical(string)) {
return string;
}
string = string.replace(/[\-_\s]+(.)?/g, function(match, chr) {
return chr ? chr.toUpperCase() : '';
});
// Ensure 1st char is always lowercase
return string.substr(0, 1).toLowerCase() + string.substr(1);
};
var pascalize = function(string) {
var camelized = camelize(string);
// Ensure 1st char is always uppercase
return camelized.substr(0, 1).toUpperCase() + camelized.substr(1);
};
var decamelize = function(string, options) {
return separateWords(string, options).toLowerCase();
};
// Utilities
// Taken from Underscore.js
var toString = Object.prototype.toString;
var _isObject = function(obj) {
return obj === Object(obj);
};
var _isArray = function(obj) {
return toString.call(obj) == '[object Array]';
};
var _isDate = function(obj) {
return toString.call(obj) == '[object Date]';
};
var _isRegExp = function(obj) {
return toString.call(obj) == '[object RegExp]';
};
var _isBoolean = function(obj) {
return toString.call(obj) == '[object Boolean]';
};
// Performant way to determine if obj coerces to a number
var _isNumerical = function(obj) {
obj = obj - 0;
return obj === obj;
};
// Sets up function which handles processing keys
// allowing the convert function to be modified by a callback
var _processor = function(convert, options) {
var callback = options && 'process' in options ? options.process : options;
if(typeof(callback) !== 'function') {
return convert;
}
return function(string, options) {
return callback(string, convert, options);
}
};
var humps = {
camelize: camelize,
decamelize: decamelize,
pascalize: pascalize,
depascalize: decamelize,
camelizeKeys: function(object, options) {
return _processKeys(_processor(camelize, options), object);
},
decamelizeKeys: function(object, options) {
return _processKeys(_processor(decamelize, options), object, options);
},
pascalizeKeys: function(object, options) {
return _processKeys(_processor(pascalize, options), object);
},
depascalizeKeys: function () {
return this.decamelizeKeys.apply(this, arguments);
}
};
if (typeof define === 'function' && define.amd) {
define(humps);
} else if (typeof module !== 'undefined' && module.exports) {
module.exports = humps;
} else {
global.humps = humps;
}
})(this);