@microfleet/core
Version:
Abstract microservice core
70 lines • 2.4 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const Bluebird = require("bluebird");
const Errors = require("common-errors");
const _debug = require("debug");
const is = require("is");
const upperFirst = require("lodash/upperFirst");
const extensions_1 = require("../../extensions");
const debug = _debug('mservice:router:module:lifecycle');
function moduleLifecycle(module, promiseFactory, extensions, args,
// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
context) {
if (!is.string(module)) {
return Bluebird.reject(new Errors.ArgumentError('module'));
}
if (!is.fn(promiseFactory)) {
return Bluebird.reject(new Errors.ArgumentError('promiseFactory'));
}
if (!(extensions instanceof extensions_1.default)) {
return Bluebird.reject(new Errors.ArgumentError('extensions'));
}
if (!is.array(args)) {
return Bluebird.reject(new Errors.ArgumentError('args'));
}
debug('lifecycle for module "%s"', module);
const upperFirstName = upperFirst(module);
const preModule = `pre${upperFirstName}`;
const postModule = `post${upperFirstName}`;
let result;
if (extensions.has(preModule)) {
result = Bluebird.resolve([preModule, args, context])
.bind(extensions)
.spread(extensions.exec);
}
else {
result = Bluebird.resolve(args);
}
return result
.bind(context)
.spread(promiseFactory)
.reflect()
.then((inspection) => {
let resultResponse = null;
let errorResponse = null;
if (inspection.isFulfilled()) {
resultResponse = inspection.value();
}
else {
errorResponse = inspection.reason();
}
if (!extensions.has(postModule)) {
if (errorResponse) {
return Bluebird.reject(errorResponse);
}
return resultResponse;
}
return Bluebird
.resolve([postModule, [errorResponse, resultResponse, ...args], context])
.bind(extensions)
.spread(extensions.exec)
.spread((error, response) => {
if (error) {
return Bluebird.reject(error);
}
return response;
});
});
}
exports.default = moduleLifecycle;
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