@launchtray/tsyringe-async/dist/esm2015/reflection-helpers.js

Lightweight dependency injection container for JavaScript/TypeScript, with asynchronous resolution

export const INJECTION_TOKEN_METADATA_KEY = "injectionTokens";
export function getParamInfo(target, propertyKey = undefined) {
    let params = [];
    params = propertyKey
        ? Reflect.getMetadata("design:paramtypes", target, propertyKey) || []
        : Reflect.getMetadata("design:paramtypes", target) || [];
    const injectionTokens = propertyKey
        ? Reflect.getOwnMetadata(INJECTION_TOKEN_METADATA_KEY, target, propertyKey) || {}
        : Reflect.getOwnMetadata(INJECTION_TOKEN_METADATA_KEY, target) || {};
    Object.keys(injectionTokens).forEach(key => {
        params[+key] = injectionTokens[key];
    });
    return params;
}
export function defineInjectionTokenMetadata(data) {
    return function (target, propertyKey, parameterIndex) {
        const injectionTokens = propertyKey
            ? Reflect.getOwnMetadata(INJECTION_TOKEN_METADATA_KEY, target, propertyKey) || {}
            : Reflect.getOwnMetadata(INJECTION_TOKEN_METADATA_KEY, target) || {};
        injectionTokens[parameterIndex] = data;
        if (propertyKey) {
            Reflect.defineMetadata(INJECTION_TOKEN_METADATA_KEY, injectionTokens, target, propertyKey);
        }
        else {
            Reflect.defineMetadata(INJECTION_TOKEN_METADATA_KEY, injectionTokens, target);
        }
    };
}