Initial commit, 90% there

.node-red/node_modules/node-red-contrib-spreadsheet-in/book.js

@@ -0,0 +1,22 @@
+module.exports = function(RED) {
+	const XLSX = require('xlsx');
+
+	function BookNode(config) {
+		RED.nodes.createNode(this,config);
+		var node = this;
+		node.on('input', function(msg) {
+			var option = {
+				type: typeof msg.payload === "string" ? "string" : "buffer",
+				raw: config.raw,
+				// dateNF: "yyyy-mm-dd",
+				password: undefined,
+				cellNF: true,
+				cellStyles: true,
+				WTF: false,
+			};
+			msg.payload = XLSX.read(msg.payload, option);
+			node.send(msg);
+		});
+	}
+	RED.nodes.registerType("book",BookNode);
+}