From 230b6cf365ea717b6da65f715ed1c9ad34366178 Mon Sep 17 00:00:00 2001
From: zonetw <zonetw.web@gmail.com>
Date: Sun, 6 Oct 2019 23:48:09 +0800
Subject: [PATCH 1/2] Initial commit

---
 README.md    |  2 --
 package.json | 17 +++++++++++++++++
 src/index.js | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 71 insertions(+), 2 deletions(-)
 delete mode 100644 README.md
 create mode 100644 package.json
 create mode 100644 src/index.js

diff --git a/README.md b/README.md
deleted file mode 100644
index 3bbe1b5..0000000
--- a/README.md
+++ /dev/null
@@ -1,2 +0,0 @@
-# practiceFp
-Created with CodeSandbox
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..357d67e
--- /dev/null
+++ b/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "fp-practice",
+  "version": "1.0.0",
+  "description": "",
+  "main": "src/index.js",
+  "scripts": {
+    "start": "nodemon src/index.js localhost 8080"
+  },
+  "dependencies": {
+    "lodash": "4.17.15",
+    "ramda": "0.26.1"
+  },
+  "devDependencies": {
+    "nodemon": "1.18.4"
+  },
+  "keywords": []
+}
\ No newline at end of file
diff --git a/src/index.js b/src/index.js
new file mode 100644
index 0000000..30ec9f4
--- /dev/null
+++ b/src/index.js
@@ -0,0 +1,54 @@
+const R = require("ramda");
+const { log } = console;
+const { compose, map, equals } = R;
+
+class Functor {
+  static of(value) {
+    return new Functor(value);
+  }
+  constructor(value) {
+    this.value = value;
+  }
+  fmap(f) {
+    return new Functor(f(this.value));
+  }
+}
+
+const gt0 = num => num > 0;
+const fNum10 = new Functor(10);
+const fNum10AfterGt = fNum10.fmap(gt0);
+const fNum10AfterGtR = R.map(gt0, fNum10);
+
+// Functor {value:10}
+// Functor {value: true}
+// {value:true}
+log(fNum10, fNum10AfterGt, fNum10AfterGtR);
+
+log(R.map(gt0, [10])); // [true]
+
+log(new Functor(10).fmap(gt0));
+
+//
+const id = x => x;
+const f = price => price * 1.05 + 10;
+const g = total => total + 100;
+const fg = compose(
+  g,
+  f
+);
+
+const f90 = Functor.of(90);
+// Identity
+log(equals(f90.fmap(id), Functor.of(id(90))));
+// Compose
+log(f90.fmap(f).fmap(g));
+log(f90.fmap(fg));
+log(
+  map(
+    compose(
+      g,
+      f
+    ),
+    f90
+  )
+);

From e817feaa7b1d78f69d99d5a5d70e8f08fc7c7d5a Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Sat, 18 Jul 2020 11:18:14 +0000
Subject: [PATCH 2/2] Bump lodash from 4.17.15 to 4.17.19

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.15 to 4.17.19.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](https://github.com/lodash/lodash/compare/4.17.15...4.17.19)

Signed-off-by: dependabot[bot] <support@github.com>
---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 357d67e..cc3dfff 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "start": "nodemon src/index.js localhost 8080"
   },
   "dependencies": {
-    "lodash": "4.17.15",
+    "lodash": "4.17.19",
     "ramda": "0.26.1"
   },
   "devDependencies": {