typestore/dist/MetadataManager.js

"use strict";
//import 'reflect-metadata'
var Constants_1 = require("./Constants");
var log = require('./log').create(__filename);
/**
 * Simple pass thru to define metadata
 *
 * @param metadataKey
 * @param metadata
 * @param target
 * @param targetKey
 */
function setMetadata(metadataKey, metadata, target, targetKey) {
    Reflect.defineMetadata(metadataKey, metadata, target, targetKey);
}
exports.setMetadata = setMetadata;
/**
 * Get metadata
 *
 * @param metadataKey
 * @param target
 * @param targetKey
 * @returns {any}
 */
function getMetadata(metadataKey, target, targetKey) {
    return Reflect.getMetadata(metadataKey, target, targetKey);
}
exports.getMetadata = getMetadata;
function makeMetadataGetter(metadataKey) {
    return function (target, targetKey) {
        return Reflect.getMetadata(metadataKey, target, targetKey);
    };
}
exports.makeMetadataGetter = makeMetadataGetter;
exports.getMetadataReturnType = makeMetadataGetter(Constants_1.ReturnTypeKey);
exports.getMetadataType = makeMetadataGetter(Constants_1.TypeKey);
/**
 * Create a simple options decorator for things like finders
 *
 * @param metadataKey
 * @param includeTargetKey
 * @param customizerFn
 * @returns {function(T=): function(any, string, TypedPropertyDescriptor<any>): undefined}
 *  - in the customizer, opts is mutable
 */
function makeOptionsDecorator(metadataKey, includeTargetKey, customizerFn) {
    if (includeTargetKey === void 0) { includeTargetKey = true; }
    if (customizerFn === void 0) { customizerFn = null; }
    return function (opts) {
        opts = opts || {};
        return function (target, propertyKey, descriptor) {
            // If a customizer was provided then use it
            // Pass all important items
            // NOTE: opts it mutable
            if (customizerFn)
                customizerFn(opts, target, propertyKey);
            setMetadata(metadataKey, opts, target, (includeTargetKey) ? propertyKey : undefined);
        };
    };
}
exports.makeOptionsDecorator = makeOptionsDecorator;
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