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4 months ago
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.deepAssign = void 0;
var tslib_1 = require("tslib");
var util_1 = require("@antv/util");
var MAX_MIX_LEVEL = 5;
var deep = function (dist, src, level, maxLevel) {
if (level === void 0) { level = 0; }
if (maxLevel === void 0) { maxLevel = MAX_MIX_LEVEL; }
Object.entries(src).forEach(function (_a) {
var _b = tslib_1.__read(_a, 2), key = _b[0], value = _b[1];
var res = dist;
if (Object.prototype.hasOwnProperty.call(src, key)) {
if (!value) {
// null 、 undefined 等情况直接赋值
res[key] = value;
}
else if ((0, util_1.isPlainObject)(value)) {
if (!(0, util_1.isPlainObject)(dist[key])) {
res[key] = {};
}
if (level < maxLevel) {
deep(dist[key], value, level + 1, maxLevel);
}
else {
// 层级过深直接赋值,性能问题
res[key] = src[key];
}
}
else if ((0, util_1.isArray)(value)) {
res[key] = [];
res[key] = res[key].concat(value);
}
else {
res[key] = value;
}
}
});
};
var deepAssign = 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) {
deep(rst, args[i]);
}
return rst;
};
exports.deepAssign = deepAssign;
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