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@antv/util

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> AntV 底层依赖的工具库,不建议在自己业务中使用。

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import isArray from './is-array'; import isPlainObject from './is-plain-object'; var MAX_MIX_LEVEL = 5; function hasOwn(object, property) { if (Object.hasOwn) { return Object.hasOwn(object, property); } if (object == null) { throw new TypeError('Cannot convert undefined or null to object'); } return Object.prototype.hasOwnProperty.call(Object(object), property); } function _deepMix(dist, src, level, maxLevel) { level = level || 0; maxLevel = maxLevel || MAX_MIX_LEVEL; for (var key in src) { if (hasOwn(src, key)) { var value = src[key]; if (value !== null && isPlainObject(value)) { if (!isPlainObject(dist[key])) { dist[key] = {}; } if (level < maxLevel) { _deepMix(dist[key], value, level + 1, maxLevel); } else { dist[key] = src[key]; } } else if (isArray(value)) { dist[key] = []; dist[key] = dist[key].concat(value); } else if (value !== undefined) { dist[key] = value; } } } } // todo 重写 var deepMix = function (rst) { var args = []; for (var _i = 1; _i < arguments.length; _i++) { args[_i - 1] = arguments[_i]; } for (var i = 0; i < args.length; i += 1) { _deepMix(rst, args[i]); } return rst; }; export default deepMix; //# sourceMappingURL=deep-mix.js.map