@laconia/core - npm Package Compare versions

Comparing version 0.9.0 to 0.10.0

package.json

 {
   "name": "@laconia/core",
-  "version": "0.9.0",
+  "version": "0.10.0",
   "description": "Micro dependency injection framework",
@@ -5,0 +5,0 @@ "keywords": [

README.md

@@ -157,9 +157,11 @@ # @laconia/core
 
-#### `register(factoryFn, options)`
+#### `register(factory, options)`
 
-Registers objects into LaconiaContext. Objects registered here will be made
-available in the Lambda function execution.
+Registers objects created by the factory function into LaconiaContext.
+Objects registered here will be made available in the Lambda function execution.
+You can pass an array for the list of array to be called in parallel.
 
-* `factoryFn(laconiaContext)`
+* `factory(laconiaContext)`
   * This `Function` is called when your Lambda is invoked
+  * When an `Array` is specified, the list of factories within the array will be called concurrently with Promise.all
   * An object which contains the instances to be registered must be returned
@@ -171,3 +173,3 @@ * `options`:
     * `maxAge = 300000`
-      * Your factoryFn will be called when the cache has reached its maximum age specified by this option
+      * Your factory will be called when the cache has reached its maximum age specified by this option
 
@@ -182,2 +184,9 @@ Example:
 
+// Register concurrent factories
+const handler = () => {};
+laconia(handler).register([
+  ssmConfig.envVarInstances(),
+  s3Config.envVarInstances()
+]);
+
 // Reduce maxAge
@@ -184,0 +193,0 @@ const handler = () => {};

src/laconia.js

@@ -22,4 +22,8 @@ const CoreLaconiaContext = require("./CoreLaconiaContext");
     },
-    register: (factoryFn, options = {}) => {
-      laconiaContext.registerFactory(factoryFn, options.cache);
+    register: (factory, options = {}) => {
+      if (Array.isArray(factory)) {
+        laconiaContext.registerFactories(factory, options.cache);
+      } else {
+        laconiaContext.registerFactory(factory, options.cache);
+      }
       return laconia;
@@ -26,0 +30,0 @@ }

src/LaconiaContext.js

@@ -9,2 +9,10 @@ const prefixKeys = (prefix, object) => {
 
+const parallelFactoryFns = factoryFns => async (...args) => {
+  const responses = await Promise.all(factoryFns.map(f => f(...args)));
+  return responses.reduce(
+    (allInstances, instances) => Object.assign(allInstances, instances),
+    {}
+  );
+};
+
 module.exports = class LaconiaContext {
@@ -22,6 +30,10 @@ constructor(baseContext) {
 
-  registerFactory(factory) {
+  registerFactory(factory, options = {}) {
     this._factoryFns.push(factory);
   }
 
+  registerFactories(factories, options = {}) {
+    this.registerFactory(parallelFactoryFns(factories), options);
+  }
+
   async refresh() {
@@ -28,0 +40,0 @@ for (const factoryFn of this._factoryFns) {

No alert changes

Improved metrics

Total package byte prevSize

12508

7.49%

Lines of code

144

10.77%

Number of lines in readme file

223

4.21%

No dependency changes