@hydre/commons - npm Package Compare versions

Comparing version 1.0.12 to 1.0.13

lib/decorators/index.js

@@ -7,2 +7,3 @@ "use strict";
 exports.cache = cache;
+exports.mixin = mixin;
 
@@ -23,2 +24,30 @@ function cache(...a) {
   };
+}
+
+function mixin(behaviour, sharedBehaviour = {}) {
+  const instanceKeys = Reflect.ownKeys(behaviour);
+  const sharedKeys = Reflect.ownKeys(sharedBehaviour);
+  const typeTag = Symbol('isa');
+
+  function _mixin(clazz) {
+    for (let property of instanceKeys) Object.defineProperty(clazz.prototype, property, {
+      value: behaviour[property],
+      writable: true
+    });
+
+    Object.defineProperty(clazz.prototype, typeTag, {
+      value: true
+    });
+    return clazz;
+  }
+
+  for (let property of sharedKeys) Object.defineProperty(_mixin, property, {
+    value: sharedBehaviour[property],
+    enumerable: sharedBehaviour.propertyIsEnumerable(property)
+  });
+
+  Object.defineProperty(_mixin, Symbol.hasInstance, {
+    value: i => !!i[typeTag]
+  });
+  return _mixin;
 }

package.json

 {
 	"name": "@hydre/commons",
-	"version": "1.0.12",
+	"version": "1.0.13",
 	"description": "You need some milk ?",
@@ -35,3 +35,3 @@ "author": "Hydre",
 		"@babel/core": "^7.4.5",
-		"@babel/node": "^7.4.5",
+		"@babel/node": "^7.2.2",
 		"@babel/plugin-proposal-class-properties": "^7.4.4",
@@ -41,5 +41,12 @@ "@babel/plugin-proposal-decorators": "^7.4.4",
 		"@babel/plugin-proposal-function-bind": "^7.2.0",
+		"@babel/plugin-proposal-logical-assignment-operators": "^7.2.0",
+		"@babel/plugin-proposal-nullish-coalescing-operator": "^7.4.4",
+		"@babel/plugin-proposal-numeric-separator": "^7.2.0",
+		"@babel/plugin-proposal-optional-catch-binding": "^7.2.0",
 		"@babel/plugin-proposal-optional-chaining": "^7.2.0",
+		"@babel/plugin-proposal-pipeline-operator": "^7.3.2",
 		"@babel/plugin-proposal-private-methods": "^7.4.4",
-		"@babel/preset-env": "^7.4.5",
+		"@babel/plugin-proposal-throw-expressions": "^7.2.0",
+		"@babel/plugin-syntax-dynamic-import": "^7.2.0",
+		"@babel/preset-env": "^7.4.4",
 		"@hydre/doubt": "^1.0.12",
@@ -46,0 +53,0 @@ "tap-nyan": "^1.1.0",

README.MD

@@ -20,9 +20,11 @@ ![][licence] [![][npm]][npmlink] [![][travis]][travislink] [![][npmdl]][npmlink]
 
-### Install
+## Install
 
-`npm i @hydre/commons`
+```
+npm i @hydre/commons
+```
 
-### Use:
+## Use:
 
-#### Deferred Promise
+### Deferred Promise
 Execute a promise outside scope
@@ -41,5 +43,5 @@
 
-#### Decorators
+### Decorators
 
-> @cache
+#### @cache
 
@@ -65,1 +67,33 @@ Call the function/getter only once and keep the result in memory
 ```
+
+### Helpers
+
+#### mixin
+
+Multiple class inheritance *see [exploring-es7-decorators](https://medium.com/google-developers/exploring-es7-decorators-76ecb65fb841)*
+
+```js
+import { mixin } from '@hydre/commons'
+
+const TimeStone = mixin({
+	get canRewind() {
+		return true
+	}
+})
+
+const PlaysFortnite = mixin({
+	isDumb() {
+		return true
+	}
+})
+
+@TimeStone
+@PlaysFortnite
+class Thanos {
+	isDumb() {
+		return false
+	}
+}
+
+new Thanos().isDumb() |> console.log // print true
+```

test/index.js

@@ -1,42 +0,1 @@
-import '@hydre/doubt'
-import { dPromise, cache } from '../src'
-
-class Foo {
-	i = 0
-	z = 0
-
-	@cache
-	bar() {
-		return ++this.i
-	}
-
-	@cache
-	get baz() {
-		return ++this.z
-	}
-}
-
-'A deferred promise'.doubt(async () => {
-	const dp = new dPromise()
-	await (200).ms()
-	dp.resolve()
-	'can be resolved from outside scope'.because(dp.promise).succeeds()
-	const dp2 = new dPromise()
-	await (200).ms()
-	dp2.reject()
-	'can be rejected from outside scope'.because(dp2.promise).fails()
-})
-
-'A cached function'.doubt(() => {
-	const foo = new Foo()
-	foo.bar()
-	foo.bar()
-	'should be called only once'.because(foo.bar()).isEqualTo(1)
-})
-
-'A cached getter'.doubt(() => {
-	const foo = new Foo()
-	foo.baz
-	foo.baz
-	'should be called only once'.because(foo.baz).isEqualTo(1)
-})
+import * as _ from './'

No alert changes

Improved metrics

Total package byte prevSize

7964

increased by28.1%

Number of package files

10

increased by25%

Lines of code

116

increased by27.47%

Number of lines in readme file

96

increased by52.38%

Worsened metrics

Dev dependency count

20

increased by53.85%

No dependency changes