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21 lines
578 B
JavaScript
21 lines
578 B
JavaScript
/**
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* The `mixin` utility assigns the properties of a set of 'mixin' objects to
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* the prototype of a parent object.
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*
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* @example
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* class MyClass extends mixin(ExistingClass, evented, etc) {}
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*
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* @param {Class} Parent The class to extend the new class from.
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* @param {...Object} mixins The objects to mix in.
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* @return {Class} A new class that extends Parent and contains the mixins.
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*/
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export default function mixin(Parent, ...mixins) {
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class Mixed extends Parent {}
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mixins.forEach(object => {
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Object.assign(Mixed.prototype, object);
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});
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return Mixed;
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}
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