Remove usage of _.compact

src/logger-factory.js

@@ -54,7 +54,7 @@ class LoggerFactory {
 				opts = [opts];
 			}
 
-			this.appenders = _.compact(opts).map(o => {
+			this.appenders = opts.filter(Boolean).map(o => {
 				// Built-in shorthand
 				if (isString(o))
 					return Loggers.resolve({ type: o, options: { level: globalLogLevel } });
@@ -118,7 +118,7 @@ class LoggerFactory {
 		const broker = this.broker;
 		const appenders = this.appenders;
 
-		const logHandlers = _.compact(appenders.map(app => app.getLogHandler(bindings)));
+		const logHandlers = appenders.map(app => app.getLogHandler(bindings)).filter(Boolean);
 		const hasNewLogEntryMiddleware =
 			broker.middlewares && broker.middlewares.registeredHooks.newLogEntry;
 

src/metrics/registry.js

@@ -65,7 +65,7 @@ class MetricRegistry {
 					? this.opts.reporter
 					: [this.opts.reporter];
 
-				this.reporter = _.compact(reporters).map(r => {
+				this.reporter = reporters.filter(Boolean).map(r => {
 					const reporter = Reporters.resolve(r);
 					reporter.init(this);
 					return reporter;

src/middlewares/action-hook.js

@@ -6,7 +6,6 @@
 
 "use strict";
 
-const _ = require("lodash");
 const { isFunction, isString, match } = require("../utils");
 
 module.exports = function actionHookMiddleware(broker) {
@@ -43,13 +42,13 @@ module.exports = function actionHookMiddleware(broker) {
 		if (isString(hooks)) return service && isFunction(service[hooks]) ? service[hooks] : null;
 
 		if (Array.isArray(hooks)) {
-			return _.compact(
-				hooks.map(h => {
+			return hooks
+				.map(h => {
 					if (isString(h)) return service && isFunction(service[h]) ? service[h] : null;
 
 					return h;
 				})
-			);
+				.filter(Boolean);
 		}
 
 		return hooks;

src/registry/discoverers/etcd3.js

@@ -256,7 +256,7 @@ class Etcd3Discoverer extends BaseDiscoverer {
 			})
 
 			.then(packets => {
-				_.compact(packets).map(packet => {
+				packets.filter(Boolean).map(packet => {
 					if (packet.sender == this.broker.nodeID) return;
 
 					removeFromArray(prevNodes, packet.sender);

src/service-broker.js

@@ -350,7 +350,7 @@ class ServiceBroker {
 	registerMiddlewares(userMiddlewares) {
 		// Register user middlewares
 		if (Array.isArray(userMiddlewares) && userMiddlewares.length > 0) {
-			_.compact(userMiddlewares).forEach(mw => this.middlewares.add(mw));
+			userMiddlewares.filter(Boolean).forEach(mw => this.middlewares.add(mw));
 		}
 
 		if (this.options.internalMiddlewares) {
@@ -1024,8 +1024,8 @@ class ServiceBroker {
 		if (!Array.isArray(serviceNames)) serviceNames = [serviceNames];
 
 		serviceNames = _.uniq(
-			_.compact(
-				serviceNames.map(x => {
+			serviceNames
+				.map(x => {
 					if (utils.isPlainObject(x) && x.name) {
 						if (Array.isArray(x.version)) {
 							return x.version.map(v =>
@@ -1038,7 +1038,7 @@ class ServiceBroker {
 						return x;
 					}
 				})
-			)
+				.filter(Boolean)
 		);
 
 		if (serviceNames.length == 0) return this.Promise.resolve({ services: [], statuses: [] });

src/service.js

@@ -689,7 +689,7 @@ class Service {
 	 * @returns {Object} Merged schema
 	 */
 	mergeSchemaUniqArray(src, target) {
-		return _.uniqWith(_.compact(flatten([src, target])), _.isEqual);
+		return _.uniqWith(flatten([src, target]).filter(Boolean), _.isEqual);
 	}
 
 	/**
@@ -720,9 +720,9 @@ class Service {
 				const modHook = wrapToArray(src[k][k2]);
 				const resHook = wrapToArray(target[k][k2]);
 
-				target[k][k2] = _.compact(
-					flatten(k === "before" ? [resHook, modHook] : [modHook, resHook])
-				);
+				target[k][k2] = flatten(
+					k === "before" ? [resHook, modHook] : [modHook, resHook]
+				).filter(Boolean);
 			});
 		});
 
@@ -752,9 +752,9 @@ class Service {
 					const modHook = wrapToArray(srcAction.hooks[k]);
 					const resHook = wrapToArray(targetAction.hooks[k]);
 
-					srcAction.hooks[k] = _.compact(
-						flatten(k === "before" ? [resHook, modHook] : [modHook, resHook])
-					);
+					srcAction.hooks[k] = flatten(
+						k === "before" ? [resHook, modHook] : [modHook, resHook]
+					).filter(Boolean);
 				});
 			}
 
@@ -789,9 +789,11 @@ class Service {
 			const modEvent = wrapToHandler(src[k]);
 			const resEvent = wrapToHandler(target[k]);
 
-			let handler = _.compact(
-				flatten([resEvent ? resEvent.handler : null, modEvent ? modEvent.handler : null])
-			);
+			let handler = flatten([
+				resEvent ? resEvent.handler : null,
+				modEvent ? modEvent.handler : null
+			]).filter(Boolean);
+
 			if (handler.length === 1) handler = handler[0];
 
 			target[k] = _.defaultsDeep(modEvent, resEvent);
@@ -810,7 +812,7 @@ class Service {
 	 * @returns {Object} Merged schema
 	 */
 	mergeSchemaLifecycleHandlers(src, target) {
-		return _.compact(flatten([target, src]));
+		return flatten([target, src]).filter(Boolean);
 	}
 
 	/**

src/tracing/tracer.js

@@ -92,7 +92,7 @@ class Tracer {
 					? this.opts.exporter
 					: [this.opts.exporter];
 
-				this.exporter = _.compact(exporters).map(r => {
+				this.exporter = exporters.filter(Boolean).map(r => {
 					const exporter = Exporters.resolve(r);
 					exporter.init(this);
 					return exporter;

src/transporters/base.js

@@ -281,7 +281,7 @@ class BaseTransporter {
 						);
 					}
 
-					return this.broker.Promise.all(_.compact(flatten(p, true)));
+					return this.broker.Promise.all(flatten(p, true).filter(Boolean));
 				})
 			);
 		});