DrBoolean · October 27, 2020 09:57 · Sep 20, 2018 · Sep 20, 2018 · Sep 20, 2018
diff --git a/fp_arch.js b/fp_arch.js
@@ -46,6 +46,6 @@ const sendSpam = tpl => tpl.send()
 const joinWithSpace = (x, y) => [x, y].join(' ')
 module.exports = {joinWithSpace}
 
-// User was literally just the json we got from the server
+// User was literally just the json we got from the server or db
 // Spam did nothing other than delegate to Emailer
 
diff --git a/fp_arch.js b/fp_arch.js
@@ -43,7 +43,7 @@ const sendSpam = tpl => tpl.send()
 /* 3) Generalize names, reorganize */
 
 // format.js
-const joinWithSpace = (first, last) => [first, last].join(' ')
+const joinWithSpace = (x, y) => [x, y].join(' ')
 module.exports = {joinWithSpace}
 
 // User was literally just the json we got from the server

diff --git a/fp_arch.js b/fp_arch.js
@@ -0,0 +1,51 @@
+// Simple example, but the idea holds for more complex objects.
+
+
+/* 1) Start with OO */
+
+// user.js
+class User {
+  constructor(firstName, lastName, email) {
+    this.firstName = firstName
+    this.lastName = lastName
+    this.email = email
+  }
+  fullName() {
+    return [this.firstName, this.lastName].join(' ')
+  }
+  serialize() {
+    return {firstName: this.firstName, lastName: this.lastName, email: this.email}
+  }
+  spam() {
+    Emailer.reminderTpl(this.serialize).send()
+  }
+}
+
+export default User
+
+
+/* 2) Next we make constructors into factories, methods into fns, and separate actions from calcs */
+
+
+
+// user.js
+const User = (firstName, lastName, email) => ({firstName, lastName, email})
+
+const fullname = (firstName, lastName) => [firstName, lastName].join(' ')
+
+const spamTemplate = user => Emailer.reminderTpl(user)
+
+const sendSpam = tpl => tpl.send()
+
+
+
+
+/* 3) Generalize names, reorganize */
+
+// format.js
+const joinWithSpace = (first, last) => [first, last].join(' ')
+module.exports = {joinWithSpace}
+
+// User was literally just the json we got from the server
+// Spam did nothing other than delegate to Emailer
+