Barcode Generation

node_modules/jsbarcode/src/barcodes/pharmacode/index.js

@@ -0,0 +1,43 @@
+// Encoding documentation
+// http://www.gomaro.ch/ftproot/Laetus_PHARMA-CODE.pdf
+
+import Barcode from "../Barcode.js";
+
+class pharmacode extends Barcode{
+	constructor(data, options){
+		super(data, options);
+		this.number = parseInt(data, 10);
+	}
+
+	encode(){
+		var z = this.number;
+		var result = "";
+
+		// http://i.imgur.com/RMm4UDJ.png
+		// (source: http://www.gomaro.ch/ftproot/Laetus_PHARMA-CODE.pdf, page: 34)
+		while(!isNaN(z) && z != 0){
+			if(z % 2 === 0){ // Even
+				result = "11100" + result;
+				z = (z - 2) / 2;
+			}
+			else{ // Odd
+				result = "100" + result;
+				z = (z - 1) / 2;
+			}
+		}
+
+		// Remove the two last zeroes
+		result = result.slice(0, -2);
+
+		return {
+			data: result,
+			text: this.text
+		};
+	}
+
+	valid(){
+		return this.number >= 3 && this.number <= 131070;
+	}
+}
+
+export {pharmacode};