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