Update examples

Author: tshemsedinov

.eslintrc.yml

@@ -1,12 +1,9 @@
-parserOptions:
-  ecmaVersion: 6
 env:
+  es6: true
   node: true
 extends: 'eslint:recommended'
 globals:
-  api: true
-  impress: true
-  global: true
+  api: false
 rules:
   indent:
     - error
@@ -73,7 +70,7 @@ rules:
       ignoreUrls: true
   max-nested-callbacks:
     - error
-    - max: 5
+    - max: 7
   new-cap:
     - error
     - newIsCap: true
@@ -141,3 +138,36 @@ rules:
   no-use-before-define:
     - error
     - functions: false
+  arrow-body-style:
+    - error
+    - as-needed
+  arrow-spacing:
+    - error
+  no-confusing-arrow:
+    - error
+    - allowParens: true
+  no-useless-computed-key:
+    - error
+  no-useless-rename:
+    - error
+  no-var:
+    - error
+  object-shorthand:
+    - error
+    - always
+  prefer-arrow-callback:
+    - error
+  prefer-const:
+    - error
+  prefer-numeric-literals:
+    - error
+  prefer-rest-params:
+    - error
+  prefer-spread:
+    - error
+  rest-spread-spacing:
+    - error
+    - never
+  template-curly-spacing:
+    - error
+    - never

JavaScript/6-functor-ap-fp.js

@@ -1,21 +1,19 @@
 'use strict';
 
-global.api = {};
+const fp = {};
 
-api.fp = {};
+fp.mapNull = (fn, x) => (x ? fn(x) : null);
 
-api.fp.mapNull = (fn, x) => x ? fn(x) : null;
-
-api.fp.maybe = x => {
-  const map = fn => api.fp.maybe(api.fp.mapNull(fn, x));
-  map.ap = fnA => fnA(fn => api.fp.mapNull(fn, x));
+fp.maybe = x => {
+  const map = fn => fp.maybe(fp.mapNull(fn, x));
+  map.ap = fnA => fnA(fn => fp.mapNull(fn, x));
   map.chain = fnM => fnM(x);
   return map;
 };
 
-api.fp.maybe(5)(x => x * 2)(x => ++x)(console.log);
-api.fp.maybe(5)(x => x * 2).ap(api.fp.maybe(x => ++x))(console.log);
-api.fp.maybe(5).chain(x => api.fp.maybe(x * 2))(x => ++x)(console.log);
+fp.maybe(5)(x => x * 2)(x => ++x)(console.log);
+fp.maybe(5)(x => x * 2).ap(fp.maybe(x => ++x))(console.log);
+fp.maybe(5).chain(x => fp.maybe(x * 2))(x => ++x)(console.log);
 
 const config = {
   coords: {
@@ -34,6 +32,6 @@ const addVelocity = velocity => coords => {
   return coords;
 };
 
-const coords = api.fp.maybe(config.coords);
-const velocity = api.fp.maybe(config.velocity);
+const coords = fp.maybe(config.coords);
+const velocity = fp.maybe(config.velocity);
 coords.ap(velocity(addVelocity))(console.log);

JavaScript/7-functor-path.js

@@ -1,12 +1,10 @@
 'use strict';
 
-global.api = {};
+const fp = {};
 
-api.fp = {};
-
-api.fp.path = data => (
+fp.path = data => (
   path => (
-    api.fp.maybe(path)(path => (
+    fp.maybe(path)(path => (
       path.split('.').reduce(
         (prev, key) => (prev[key] || {}),
         (data || {})
@@ -15,7 +13,7 @@ api.fp.path = data => (
   )
 );
 
-api.fp.maybe = x => fn => api.fp.maybe(x && fn ? fn(x) : null);
+fp.maybe = x => fn => fp.maybe(x && fn ? fn(x) : null);
 
 // Usage example:
 
@@ -44,7 +42,7 @@ if (
   config.server.ssl.key &&
   config.server.ssl.key.filename
 ) {
-  let fileName = config.server.ssl.key.filename;
+  const fileName = config.server.ssl.key.filename;
   fs.readFile(fileName, (err, data) => {
     if (data) {
       console.log();
@@ -54,8 +52,8 @@ if (
 
 // Functional style:
 
-api.fp.path(config)('server.ssl.key.filename')(
+fp.path(config)('server.ssl.key.filename')(
   file => fs.readFile(file, (err, data) => {
-    api.fp.maybe(data)(console.log);
+    fp.maybe(data)(console.log);
   })
 );