59 lines
1.4 KiB
JavaScript
59 lines
1.4 KiB
JavaScript
module.exports = function(obj) {
|
|
if (typeof obj === 'string') return camelCase(obj);
|
|
return walk(obj);
|
|
};
|
|
|
|
function walk (obj) {
|
|
if (!obj || typeof obj !== 'object') return obj;
|
|
if (isDate(obj) || isRegex(obj)) return obj;
|
|
if (isArray(obj)) return map(obj, walk);
|
|
return reduce(objectKeys(obj), function (acc, key) {
|
|
var camel = camelCase(key);
|
|
acc[camel] = walk(obj[key]);
|
|
return acc;
|
|
}, {});
|
|
}
|
|
|
|
function camelCase(str) {
|
|
return str.replace(/[_.-](\w|$)/g, function (_,x) {
|
|
return x.toUpperCase();
|
|
});
|
|
}
|
|
|
|
var isArray = Array.isArray || function (obj) {
|
|
return Object.prototype.toString.call(obj) === '[object Array]';
|
|
};
|
|
|
|
var isDate = function (obj) {
|
|
return Object.prototype.toString.call(obj) === '[object Date]';
|
|
};
|
|
|
|
var isRegex = function (obj) {
|
|
return Object.prototype.toString.call(obj) === '[object RegExp]';
|
|
};
|
|
|
|
var has = Object.prototype.hasOwnProperty;
|
|
var objectKeys = Object.keys || function (obj) {
|
|
var keys = [];
|
|
for (var key in obj) {
|
|
if (has.call(obj, key)) keys.push(key);
|
|
}
|
|
return keys;
|
|
};
|
|
|
|
function map (xs, f) {
|
|
if (xs.map) return xs.map(f);
|
|
var res = [];
|
|
for (var i = 0; i < xs.length; i++) {
|
|
res.push(f(xs[i], i));
|
|
}
|
|
return res;
|
|
}
|
|
|
|
function reduce (xs, f, acc) {
|
|
if (xs.reduce) return xs.reduce(f, acc);
|
|
for (var i = 0; i < xs.length; i++) {
|
|
acc = f(acc, xs[i], i);
|
|
}
|
|
return acc;
|
|
}
|