@neo4j/cypher-builder
Version:
A programmatic API for building Cypher queries for Neo4j
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JavaScript
;
/*
* Copyright (c) "Neo4j"
* Neo4j Sweden AB [http://neo4j.com]
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.mixin = mixin;
/**
* Decorator for mixins. Support for adding mixins into classes
* Based on https://www.typescriptlang.org/docs/handbook/mixins.html
*
* All "Mixin" classes will be inherited by the decorated class. Note that mixin classes must be abstract
* Typings will not automatically be updated, but exporting an interface with the same name will fix typings
*
* @example
* ```ts
* export interface MyClass extends WithName, WithAge
* \@mixin(WithName, WithAge)
* export class MyClass{}
* ```
*/
function mixin(...mixins) {
return (constructor) => {
return applyMixins(constructor, mixins);
};
}
/** Applies mixins into a class
* Based on https://www.typescriptlang.org/docs/handbook/mixins.html
*/
function applyMixins(baseClass, mixins) {
for (const baseCtor of mixins) {
for (const name of Object.getOwnPropertyNames(baseCtor.prototype)) {
if (name !== "constructor") {
// Base class constructor takes precedence over mixins
Object.defineProperty(baseClass.prototype, name,
// eslint-disable-next-line @typescript-eslint/no-unsafe-argument
Object.getOwnPropertyDescriptor(baseCtor.prototype, name) ?? Object.create(null));
}
}
}
return baseClass;
}