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