@antv/util
Version:
> AntV 底层依赖的工具库,不建议在自己业务中使用。
52 lines • 1.57 kB
JavaScript
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;
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