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Co-Authored-By: 狸花猫/Claude-Qwen3.6-Plus 🐾
35 lines
1.3 KiB
JavaScript
35 lines
1.3 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var mix_1 = require("./mix");
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var is_function_1 = require("./is-function");
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var extend = function (subclass, superclass, overrides, staticOverrides) {
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// 如果只提供父类构造函数，则自动生成子类构造函数
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if (!is_function_1.default(superclass)) {
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overrides = superclass;
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superclass = subclass;
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subclass = function () { };
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}
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var create = Object.create ?
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function (proto, c) {
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return Object.create(proto, {
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constructor: {
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value: c
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}
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});
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} :
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function (proto, c) {
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function Tmp() { }
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Tmp.prototype = proto;
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var o = new Tmp();
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o.constructor = c;
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return o;
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};
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var superObj = create(superclass.prototype, subclass); // new superclass(),//实例化父类作为子类的prototype
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subclass.prototype = mix_1.default(superObj, subclass.prototype); // 指定子类的prototype
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subclass.superclass = create(superclass.prototype, superclass);
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mix_1.default(superObj, overrides);
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mix_1.default(subclass, staticOverrides);
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return subclass;
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};
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exports.default = extend;
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//# sourceMappingURL=extend.js.map
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