@furystack/inject/esm/injected.js

Core FuryStack package

import { hasInjectableOptions } from './injectable.js';
import { getInjectorReference } from './with-injector-reference.js';
export const InjectableDependencyList = Symbol('InjectableDependencyList');
export const getDependencyList = (ctor) => {
    const existing = ctor[InjectableDependencyList];
    if (existing && existing instanceof Set) {
        return existing;
    }
    const newSet = new Set();
    Object.assign(ctor, { [InjectableDependencyList]: newSet });
    return newSet;
};
const addDependency = (ctor, dependency) => {
    const list = getDependencyList(ctor);
    list.add(dependency);
};
export const Injected = (injectable) => (target, propertyKey) => {
    const hasMeta = hasInjectableOptions(injectable);
    // The provided injectable is a constructor
    if (hasMeta) {
        addDependency(target.constructor, injectable);
        Object.defineProperty(target.constructor.prototype, propertyKey, {
            set() {
                throw new Error(`Injected property '${target.constructor.name}.${propertyKey.toString()}' is read-only`);
            },
            get() {
                return getInjectorReference(this).getInstance(injectable);
            },
        });
    }
    else {
        // The provided injectable is a getter function
        Object.defineProperty(target.constructor.prototype, propertyKey, {
            set() {
                throw new Error(`Injected property '${target.constructor.name}.${propertyKey.toString()}' is read-only`);
            },
            get() {
                return injectable.call(this, getInjectorReference(this));
            },
        });
    }
};
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