Merge pull request #2 from webKrafters/app-logo-link

making docs logo availablel for readme

README.md

@@ -1,12 +1,6 @@
 # Auto Immutable JS
 
-<p>
-    <img
-        height="240"
-        src="docs/src/images/logo.svg" 
-        width="640"
-    ></img>
-</p>
+<p><img height="240" src="logo.svg" width="640"></img></p>
 
 # Introduction
 

package.json

@@ -31,7 +31,7 @@
   "files": [
     "dist",
     "index.js",
-    "docs/src/images/logo.svg"
+    "logo.svg"
   ],
   "homepage": "https://github.com/webKrafters/auto-immutable/readme",
   "keywords": [
@@ -51,6 +51,7 @@
   },
   "scripts": {
     "build": "rm -rf dist && tsc && babel dist -d dist",
+    "postbuild": "node post-build.js",
     "test": "jest --coverage --updateSnapshot",
     "test:clean": "jest --clearCache",
     "test:core": "jest --updateSnapshot",

post-build.js

@@ -1,8 +1,28 @@
 var fs = require( 'fs' );
 var path = require( 'path' );
+const { promisify } = require( 'util' );
 
-fs.writeFileSync(
-    path.join( 'dist', 'logo.svg' ),
-    fs.readFileSync( 'logo.svg', 'utf-8' ),
-    'utf8'
-);
+const read = promisify( fs.readFile );
+const write = promisify( fs.writeFile );
+
+const fOpts = { encoding: 'utf8' };
+
+Promise
+    .allSettled([
+        read(
+            path.join( 'docs', 'src', 'images', 'logo.svg' ),
+            fOpts
+        ),
+        read( 'logo.svg', fOpts )
+    ])
+    .then(([ officialLogo, appLogo ]) => {
+        if( officialLogo.reason ) {
+            throw new Error( officialLogo.reason );
+        }
+        if( appLogo.reason ) { appLogo.value = '' }
+        if( appLogo.value === officialLogo.value ) { return }
+        write( 'logo.svg', officialLogo.value, fOpts );
+    })
+    .catch( e => {
+        console.log( 'FAILED TO PROCESS LOGO TRANSFER\n', e );
+    } );