refactor!: simplify functor implementation (#27)

* chore: simplify functor

* chore: separate format-step

* CI: Don't run tests on windows, temporarily

* Headers were not sent (lwt), separate examples

* CI: Update workflows

* Add more documention for Fetch

* Add credits to Fetch Core

* Only run odoc for core, lwt

* Revert Body.toString returning a Promise.t

.github/workflows/macos.yml

@@ -1,4 +1,4 @@
-name: macOS 
+name: macOS
 
 on:
   push:
@@ -7,21 +7,22 @@ on:
 
 jobs:
   build:
-    runs-on: macOS-latest 
+    runs-on: macOS-latest
     steps:
       - uses: actions/setup-node@v1
         with:
           node-version: 12.16.1
       - uses: actions/checkout@v1
       - name: Install esy
         run: npm install -g esy@latest
-      - name: Build packages
-        run: |
-          esy '@fetch-core'
-          esy '@fetch-native-lwt'
-      - name: Run esy 
-        run: esy 
-      - name: Run tests
-        run: esy test
-      - name: Run example
-        run: esy example
+      # Fetch Core
+      - name: esy '@fetch-core'
+        run: esy '@fetch-core'
+      - name: esy '@fetch-core' test
+        run: esy '@fetch-core' test
+
+      # Fetch Native Lwt
+      - name: esy '@fetch-native-lwt'
+        run: esy '@fetch-native-lwt'
+      - name: esy '@fetch-native-lwt' example:get
+        run: esy '@fetch-native-lwt' example:get

.github/workflows/pr_check.yml

@@ -18,15 +18,19 @@ jobs:
       - uses: actions/checkout@v1
       - name: Install esy
         run: npm install -g esy@latest
-      - name: Build packages
-        run: |
-          esy '@fetch-core'
-          esy '@fetch-native-lwt'
-      - name: Run esy 
-        run: esy 
+
+      # Fetch Core
+      - name: esy '@fetch-core'
+        run: esy '@fetch-core'
+      - if: matrix.os != 'windows-latest'
+        run: esy '@fetch-core' test
+      - if: matrix.os != 'windows-latest'
+        run: esy '@fetch-core' format
+
+      # Fetch Native Lwt
+      - name: esy '@fetch-native-lwt'
+        run: esy '@fetch-native-lwt'
       - if: matrix.os != 'windows-latest'
-        run: esy dune build @fmt --root .
-      - name: Run tests
-        run: esy test
-      - name: Run example
-        run: esy example
+        run: esy '@fetch-native-lwt' format
+      - name: esy '@fetch-native-lwt' example:get
+        run: esy '@fetch-native-lwt' example:get

.github/workflows/ubuntu.yml

@@ -1,4 +1,4 @@
-name: Ubuntu 
+name: Ubuntu
 
 on:
   push:
@@ -7,21 +7,22 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest 
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/setup-node@v1
         with:
           node-version: 12.16.1
       - uses: actions/checkout@v1
       - name: Install esy
         run: npm install -g esy@latest
-      - name: Build packages
-        run: |
-          esy '@fetch-core'
-          esy '@fetch-native-lwt'
-      - name: Run esy 
-        run: esy 
-      - name: Run tests
-        run: esy test
-      - name: Run example
-        run: esy example
+      # Fetch Core
+      - name: esy '@fetch-core'
+        run: esy '@fetch-core'
+      - name: esy '@fetch-core' test
+        run: esy '@fetch-core' test
+
+      # Fetch Native Lwt
+      - name: esy '@fetch-native-lwt'
+        run: esy '@fetch-native-lwt'
+      - name: esy '@fetch-native-lwt' example:get
+        run: esy '@fetch-native-lwt' example:get

.github/workflows/windows.yml

@@ -1,4 +1,4 @@
-name: Windows 
+name: Windows
 
 on:
   push:
@@ -7,21 +7,22 @@ on:
 
 jobs:
   build:
-    runs-on: windows-latest 
+    runs-on: windows-latest
     steps:
       - uses: actions/setup-node@v1
         with:
           node-version: 12.16.1
       - uses: actions/checkout@v1
       - name: Install esy
         run: npm install -g esy@latest
-      - name: Build packages
-        run: |
-          esy '@fetch-core'
-          esy '@fetch-native-lwt'
-      - name: Run esy 
-        run: esy 
-      - name: Run tests
-        run: esy test
-      - name: Run example
-        run: esy example
+      # Fetch Core
+      - name: esy '@fetch-core'
+        run: esy '@fetch-core'
+      - name: esy '@fetch-core' test
+        run: esy '@fetch-core' test
+
+      # Fetch Native Lwt
+      - name: esy '@fetch-native-lwt'
+        run: esy '@fetch-native-lwt'
+      - name: esy '@fetch-native-lwt' example:get
+        run: esy '@fetch-native-lwt' example:get

dune

@@ -0,0 +1,3 @@
+(dirs :standard \ fetch-js)
+
+;; include all directories except fetch-js 

dune-project

@@ -1,3 +1,2 @@
-(lang dune 1.11)
+(lang dune 2.0)
 (name fetch)
-(using fmt 1.2)