25 lines
998 B
JavaScript
25 lines
998 B
JavaScript
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export default (baseClass, ...mixins) => {
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class base extends baseClass {
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constructor (...args) {
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super(...args);
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mixins.forEach((mixin) => {
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copyProps(this,(new mixin));
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});
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}
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}
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let copyProps = (target, source) => { // this function copies all properties and symbols, filtering out some special ones
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Object.getOwnPropertyNames(source)
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.concat(Object.getOwnPropertySymbols(source))
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.forEach((prop) => {
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if (!prop.match(/^(?:constructor|prototype|arguments|caller|name|bind|call|apply|toString|length)$/))
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Object.defineProperty(target, prop, Object.getOwnPropertyDescriptor(source, prop));
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})
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}
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mixins.forEach((mixin) => { // outside contructor() to allow aggregation(A,B,C).staticFunction() to be called etc.
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copyProps(base.prototype, mixin.prototype);
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copyProps(base, mixin);
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});
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return base;
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}
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