WIP refactor + fixes + github actions + readme

.github/workflows/npm-publish.yaml

@@ -0,0 +1,24 @@
+name: Publish to npm
+
+on:
+  push:
+    branches:
+      - npm-repository
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Install npm
+        run: sudo apt-get install npm -y
+
+      - name: Publish to npm
+        env:
+          TOKEN: ${{secrets.token}}
+        run: |
+          cd dist/fits-reader
+          npm publish

.github/workflows/webpack-build.yaml

@@ -0,0 +1,25 @@
+name: Build Library
+
+on:
+  push:
+    branches:
+      - prod
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Setup Node.js
+          uses: actions/setup-node@v2
+          with:
+            node-version: '20'
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Build library
+        run: npx webpack

README.md

@@ -1 +1,55 @@
-# fits-reader
+---
+FITS reader library
+---
+
+
+Javascript library for parsing FITS file
+
+**Usage**
+
+    <script src="fits-reader.js"></script>  
+    <script>   
+
+      function getFile(file_path) {  
+      
+            return fetch(file_path)  
+                .then((response) => {  
+                    if (!response.ok) {  
+                        throw new Error(`HTTP error, status = ${response.status}`);  
+                    } 
+                    return response.arrayBuffer();  
+            }).then((buffer) => readFile(buffer));  
+      }  
+      
+        function readFile(arrayBuffer) {
+	            //FITS file object containing the file headers and data units  
+                //Library entry point expects a FITS file array buffer
+		    let fits_file = window.FITSReader.parseFITS(arrayBuffer);         
+			      
+                //Position of the header and data unit      
+                let hdu_index = 1;
+
+		    let hdu = fits_file.getHDU(hdu_index);   
+		     
+		    let header = hdu.header;  
+		    let data = hdu.data;  
+		     
+                let card_name = "CARDNAME";
+
+		    //Get a specific card value
+		    let card_value = header.get(card_name);  
+		    
+		    let col_name = "column";
+
+		    //Specific to BINTABLE and TABLE extension
+		    let col_data; 
+		    data.getColumn(col_name, function(col){col_data = col}); 
+    }  
+
+	    //Get array buffer from file
+        getFile("file.fits");  
+      
+    </script>
+
+
+

dist/fits-reader/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "fits-reader",
+  "version": "1.0.0",
+  "description": "Javascript library for reading FITS file",
+  "main": "fits-reader.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "MIT"
+}