add and (equally alias) and or (neither alias), update readme, done #4,…

… done #5

README.md

@@ -4,10 +4,14 @@ Tiny collection of essential JavaScript utilities.
 
 ## Usage
 
+Install:
+
 ```
-npm install nukit
+npm i nukit
 ```
 
+Import:
+
 ```ts
 import { isNumber, oneOf, pick } from 'nukit';
 
@@ -21,7 +25,7 @@ const value = pick(['apple', 'banana', 'carrot']);
 ## Why?
 
   - TypeScript — nice types support
-  - Small & Simple — only 34 functions in 5 kilobytes of compiled code
+  - Small & Simple — 28 essential functions with 10 shortcuts in about 5 kilobytes of compiled code
   - Modern — it doesn't rewrites ESNext features that already exists
 
 ## Contents
@@ -40,7 +44,9 @@ const value = pick(['apple', 'banana', 'carrot']);
   - [**allOf**](src/filters/allOf/index.ts) — returns true if all values in array meets filter condition
   - [**oneOf**](src/filters/oneOf/index.ts) — returns true if at least one of values in array meets filter condition
   - [**equally**](src/filters/equally/index.ts) — returns true if all of predicates are true
+    - [**and**](src/filters/and/index.ts) — alias
   - [**neither**](src/filters/neither/index.ts) — returns true if at least one of predicates is true
+    - [**or**](src/filters/or/index.ts) — alias
 
 ### Mappers
 

src/filters/and/index.ts

@@ -0,0 +1,6 @@
+import { equally } from '../equally';
+
+/**
+ * Returns true if all of predicates are true. Alias to **equally**.
+ */
+export const and = equally;

src/filters/equally/index.ts

@@ -3,6 +3,8 @@ import { resolvePredicate } from '../../utils/resolvePredicate';
 
 /**
  * Returns true if all of predicates are true.
+ *
+ * **and** — alias.
  */
 export const equally = (...predicates: Predicate[]): boolean => {
   for (let i = 0; i < predicates.length; i++) {

src/filters/index.ts

@@ -1,4 +1,5 @@
 export * from './allOf';
+export * from './and';
 export * from './equally';
 export * from './isArray';
 export * from './isBoolean';
@@ -11,3 +12,4 @@ export * from './isString';
 export * from './isUndefined';
 export * from './neither';
 export * from './oneOf';
+export * from './or';

src/filters/neither/index.ts

@@ -3,6 +3,8 @@ import { resolvePredicate } from '../../utils/resolvePredicate';
 
 /**
  * Returns true if at least one of predicates is true.
+ *
+ * **or** — alias
  */
 export const neither = (...predicates: Predicate[]): boolean => {
   for (let i = 0; i < predicates.length; i++) {

src/filters/or/index.ts

@@ -0,0 +1,7 @@
+import { neither } from '../neither';
+
+/**
+ * Returns true if at least one of predicates is true. Alias to
+ * **neither**.
+ */
+export const or = neither;