Add fluture example

Author: dmitriz

examples/13-task-async.js

@@ -2,6 +2,10 @@
 // part of Folktale https://github.com/origamitower/folktale
 const Task = require('data.task')
 
+// for comparison use
+// https://github.com/Avaq/Fluture
+const Fluture = require('fluture')
+
 // standard Nodejs library for file access
 const fs = require('fs')
 
@@ -17,6 +21,10 @@ const readFile = (fileName, encoding) =>
       err ? rej(err) : res(contents)
   ))
 
+const readFileFl = (fileName, encoding) =>
+  Fluture.node(done => fs.readFile(fileName, encoding, done))
+
+
 // general purpose Task for writing file
 const writeFile = (fileName, contents) =>
   new Task((rej, res) =>
@@ -25,7 +33,11 @@ const writeFile = (fileName, contents) =>
   ))
 
 
-const app = _ =>
+const writeFileFl = (fileName, contents) =>
+  Fluture.node(done => fs.writeFile(fileName, contents, done))
+
+
+const app =
 
   // read file - returns Task
   readFile('config.json', 'utf-8')
@@ -39,9 +51,19 @@ const app = _ =>
 
 
 // only now launch the task
-app().fork( showErr, showSuc )
+app.fork( showErr, _ => showSuc("Check 'config1.json'!") )
+
+
+
+// optionally using Fluture
+// define the application
+const appFl = readFileFl('config.json', 'utf-8')
+  .map( contents => contents.replace(/8/g, '7') )
+  .chain( contents => writeFileFl('config1-fl.json', contents))
+
+// now call it
+appFl.fork( showErr, _ => showSuc("Check 'config1-fl.json'!"))
 
-console.log("Check 'config1.json'!")
 
 
 // optionally using Futurize
@@ -55,13 +77,11 @@ const readFuture = future(fs.readFile)
 const writeFuture = future(fs.writeFile)
 
 // setup the task
-const app1 = _ =>
-  readFuture('config.json', 'utf-8')
+const app1 = readFuture('config.json', 'utf-8')
     .map( contents => contents.replace(/8/g, '6') )
     .chain( contents => writeFuture('config2.json', contents) )
 
 // run the task
-app1().fork( showErr, showSuc )
+app1.fork( showErr, _ => showSuc("Check 'config2.json'!") )
 
-console.log("Check 'config2.json'!")
 

examples/config1-fl.json

@@ -0,0 +1,4 @@
+{
+  "a": "b",
+  "port": 7070
+}

package.json

@@ -27,6 +27,7 @@
     "data.either": "^1.4.0",
     "data.task": "^3.1.1",
     "fantasy-identities": "0.0.1",
+    "fluture": "^4.3.0",
     "futurize": "^1.0.2",
     "immutable": "^3.8.1",
     "immutable-ext": "^1.0.6",

yarn.lock

@@ -124,6 +124,13 @@ fantasy-identities@0.0.1:
   dependencies:
     daggy "0.0.1"
 
+fluture@^4.3.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/fluture/-/fluture-4.3.0.tgz#cc08cce21d2497093cffb0aec7e390af53168742"
+  dependencies:
+    inspect-f "^1.2.0"
+    sanctuary-type-classes "^2.0.1"
+
 forever-agent@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
@@ -204,6 +211,10 @@ immutable@^3.8.1:
   version "3.8.1"
   resolved "https://registry.yarnpkg.com/immutable/-/immutable-3.8.1.tgz#200807f11ab0f72710ea485542de088075f68cd2"
 
+inspect-f@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/inspect-f/-/inspect-f-1.2.0.tgz#80b8f1995e36222d11f22ed66d9b7d8559c400c9"
+
 is-my-json-valid@^2.12.4:
   version "2.15.0"
   resolved "https://registry.yarnpkg.com/is-my-json-valid/-/is-my-json-valid-2.15.0.tgz#936edda3ca3c211fd98f3b2d3e08da43f7b2915b"
@@ -312,6 +323,16 @@ request@^2.79.0:
     tunnel-agent "~0.4.1"
     uuid "^3.0.0"
 
+sanctuary-type-classes@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/sanctuary-type-classes/-/sanctuary-type-classes-2.0.1.tgz#06b6cfd78e3e8d85cd93f5c2d7b08796b68d1e74"
+  dependencies:
+    sanctuary-type-identifiers "1.0.x"
+
+sanctuary-type-identifiers@1.0.x:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/sanctuary-type-identifiers/-/sanctuary-type-identifiers-1.0.0.tgz#e8f359f006cb5e624cfb8464603fc114608bde9f"
+
 sntp@1.x.x:
   version "1.0.9"
   resolved "https://registry.yarnpkg.com/sntp/-/sntp-1.0.9.tgz#6541184cc90aeea6c6e7b35e2659082443c66198"