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