tachijs/dist/decorators/handlerParam/handlerParam.js

Highly testable dead simple web server written in Typescript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const reflectMetadataIsAvailable = typeof Reflect.getMetadata !== 'undefined';
const handlerParamMetaMap = new Map();
function getHandlerParamMetaList(controller, propertyKey) {
    if (!handlerParamMetaMap.has(controller))
        return [];
    const metaList = handlerParamMetaMap.get(controller).get(propertyKey);
    if (metaList == null)
        return [];
    return metaList;
}
exports.getHandlerParamMetaList = getHandlerParamMetaList;
function setHandlerParamMetaList(controller, propertyKey, meta) {
    if (!handlerParamMetaMap.has(controller)) {
        handlerParamMetaMap.set(controller, new Map());
    }
    const propertyKeyMetaMap = handlerParamMetaMap.get(controller);
    propertyKeyMetaMap.set(propertyKey, meta);
}
exports.setHandlerParamMetaList = setHandlerParamMetaList;
function handlerParam(selector) {
    return function controllerDecorator(target, propertyKey, index) {
        const previousHandlerParamList = getHandlerParamMetaList(target.constructor, propertyKey);
        const handlerParamMeta = {
            index,
            selector
        };
        if (reflectMetadataIsAvailable) {
            handlerParamMeta.paramType = Reflect.getMetadata('design:paramtypes', target, propertyKey)[index];
        }
        const meta = [
            ...previousHandlerParamList,
            handlerParamMeta
        ];
        setHandlerParamMetaList(target.constructor, propertyKey, meta);
    };
}
exports.handlerParam = handlerParam;
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