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'use strict';
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var arrayify = require('array-ify');
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var dotPropGet = require('dot-prop').get;
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function compareFunc(prop) {
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return function(a, b) {
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var ret = 0;
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arrayify(prop).some(function(el) {
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var x;
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var y;
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if (typeof el === 'function') {
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x = el(a);
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y = el(b);
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} else if (typeof el === 'string') {
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x = dotPropGet(a, el);
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y = dotPropGet(b, el);
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} else {
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x = a;
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y = b;
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}
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if (x === y) {
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ret = 0;
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return;
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}
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if (typeof x === 'string' && typeof y === 'string') {
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ret = x.localeCompare(y);
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return ret !== 0;
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}
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ret = x < y ? -1 : 1;
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return true;
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});
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return ret;
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};
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}
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module.exports = compareFunc;
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