@triviality/serializer/Metadata.js

Typescript serializer with an interface

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.METADATA_SYMBOL = Symbol.for('triviality-metadata');
/**
 * TODO: solve issue why 'reflect-metadata' does not work outside of this project if there are multiple instances.
 */
var Metadata = /** @class */ (function () {
    function Metadata() {
    }
    Metadata.defineMetadata = function (key, metadata, target) {
        var classMetadata = this.getByTarget(target);
        return classMetadata[key.toString()] = metadata;
    };
    Metadata.getMetadata = function (key, target) {
        var classMetadata = this.getByTarget(target);
        return classMetadata[key.toString()];
    };
    Metadata.getByTarget = function (target) {
        if (target[exports.METADATA_SYMBOL]) {
            return target[exports.METADATA_SYMBOL];
        }
        target[exports.METADATA_SYMBOL] = [];
        return target[exports.METADATA_SYMBOL];
    };
    return Metadata;
}());
exports.Metadata = Metadata;
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