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20 lines
625 B
20 lines
625 B
/**
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* Apply the given mixin classes to the given constructor.
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* @param derivedCtor
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* @param {array} baseCtors
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*/
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export function applyMixins(derivedCtor: any, baseCtors: any[]) {
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baseCtors.forEach(baseCtor => {
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Object.getOwnPropertyNames(baseCtor.prototype).forEach(name => {
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const desc = Object.getOwnPropertyDescriptor(baseCtor.prototype, name)
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if ( typeof desc !== 'undefined' )
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Object.defineProperty(derivedCtor.prototype, name, desc)
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})
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})
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}
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/**
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* Base type for a constructor function.
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*/
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export type Constructor<T = {}> = new (...args: any[]) => T
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