tedi/decorators/web.js

Express wrappper written in typescript with dependency injection capabilities

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const lodash_1 = require("lodash");
const core_1 = require("../core");
const utils_1 = require("../core/utils");
const METADATA_KEY = "tedi:web";
class WebDecoratorError extends core_1.TediError {
    constructor(target, methodName, err) {
        super(`${utils_1.getClassName(target)}#${methodName}`, err);
    }
}
function getMetadataKey(httpMethodName) {
    return `${METADATA_KEY}:${httpMethodName}`;
}
function setMetadata(httpMethodName, metadata, target) {
    Reflect.defineMetadata(getMetadataKey(httpMethodName), metadata, target);
}
function getMetadata(httpMethodName, target) {
    return Reflect.getMetadata(getMetadataKey(httpMethodName), target);
}
function WebDecoratorBuilder(httpMethodName) {
    return function () {
        return function (target, propertyKey, descriptor) {
            if (getMetadata(httpMethodName, target)) {
                throw new WebDecoratorError(target, propertyKey, `duplicate decoration found for @${httpMethodName}`);
            }
            setMetadata(httpMethodName, {
                httpMethodName: httpMethodName,
                methodName: propertyKey,
            }, target);
        };
    };
}
let webDecorator = {
    $getMetadata: (httpMethodName, target) => getMetadata(httpMethodName, target),
};
lodash_1.keys(utils_1.HTTP_METHODS_NAMES).forEach(httpMethodName => {
    webDecorator[httpMethodName] = WebDecoratorBuilder(httpMethodName);
});
exports.web = webDecorator;