44 lines
1.1 KiB
Java
44 lines
1.1 KiB
Java
var isPlainObject = require('./type/is-plain-object');
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var isArray = require('./type/is-array');
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var MAX_MIX_LEVEL = 5;
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function _deepMix(dist, src, level, maxLevel) {
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level = level || 0;
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maxLevel = maxLevel || MAX_MIX_LEVEL;
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for (var key in src) {
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if (src.hasOwnProperty(key)) {
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var value = src[key];
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if (value !== null && isPlainObject(value)) {
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if (!isPlainObject(dist[key])) {
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dist[key] = {};
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}
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if (level < maxLevel) {
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_deepMix(dist[key], value, level + 1, maxLevel);
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} else {
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dist[key] = src[key];
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}
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} else if (isArray(value)) {
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dist[key] = [];
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dist[key] = dist[key].concat(value);
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} else if (value !== undefined) {
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dist[key] = value;
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}
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}
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}
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}
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var deepMix = function deepMix() {
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var args = new Array(arguments.length);
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var length = args.length;
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for (var i = 0; i < length; i++) {
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args[i] = arguments[i];
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}
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var rst = args[0];
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for (var _i = 1; _i < length; _i++) {
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_deepMix(rst, args[_i]);
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}
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return rst;
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};
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module.exports = deepMix; |