Split the library into smaller files

source/index.js

@@ -0,0 +1,55 @@
+const buildTypeGraph = require('./build-type-graph');
+const parseInput = require('./parse-input');
+const parseQuery = require('./parse-query');
+
+//the main function to be returned (sineQL())
+const main = (schema, handler, options = {}) => {
+	let typeGraph;
+
+	try {
+		typeGraph = buildTypeGraph(schema, options);
+	}
+	catch(e) {
+		console.log('Type Graph Error:', e);
+		return null;
+	}
+
+	//the receiving function (sine()) - this will be called multiple times
+	return async (reqBody) => {
+		try {
+			//parse the query
+			const tokens = parseInput(reqBody, true, options);
+			let pos = 0;
+
+			//check for keywords
+			switch(tokens[pos]) {
+				case 'create':
+				case 'update':
+				case 'delete':
+					return [501, 'Keyword not implemented: ' + tokens[pos]];
+					//TODO: implement these keywords
+					break;
+
+				//no leading keyword - regular query
+				default:
+					const [result, endPos] = await parseQuery(handler, tokens, pos, typeGraph);
+
+					//reject the request, despite finishing processing it
+					if (tokens[endPos]) {
+						throw 'Unexpected data found at the end of the token list (found ' + tokens[endPos] + ')';
+					}
+
+					return [200, result];
+
+					break;
+			}
+		}
+		catch(e) {
+			console.log('Error:', e);
+			return [400, e.stack || e];
+		}
+	};
+};
+
+//return to the caller
+module.exports = main;