@tsclean/core/dist/decorators/create-route-param-metadata.js

Plugin for API Rest Full development, based on Clean Architecture, IoC and Dependency Injection.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createParamDecorator = createParamDecorator;
const uuid_1 = require("uuid");
const helpers_1 = require("../helpers");
const utils_1 = require("../utils");
function createParamDecorator(factory, enhancers = []) {
    const paramType = (0, uuid_1.v4)();
    return (data, ...pipes) => (target, key, index) => {
        const args = Reflect.getMetadata(helpers_1.ROUTE_ARGS_METADATA, target.constructor, key) || {};
        const isHandler = (handler) => handler &&
            (((0, utils_1.isFunction)(handler) &&
                handler.prototype &&
                (0, utils_1.isFunction)(handler.prototype.transform)) ||
                (0, utils_1.isFunction)(handler.transform));
        const hasParamData = (0, utils_1.isNil)(data) || !isHandler(data);
        const paramData = hasParamData ? data : undefined;
        const paramPipes = hasParamData ? pipes : [data, ...pipes];
        Reflect.defineMetadata(helpers_1.ROUTE_ARGS_METADATA, (0, utils_1.assignCustomParameterMetadata)(args, paramType, index, factory, paramData, ...paramPipes), target.constructor, key);
        enhancers.forEach(fn => fn(target, key, index));
    };
}
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