Split the library into smaller files

source/parse-input.js

@@ -0,0 +1,53 @@
+//break the body down into tokens
+const parseInput = (body, allowStrings, options) => {
+	let current = 0;
+	tokens = [];
+
+	while(body[current++]) {
+		switch(body[current - 1]) {
+			case '{':
+			case '}':
+				//push just this symbol
+				tokens.push(body.substring(current - 1, current));
+				break;
+
+			case '"': {
+				if (!allowStrings) {
+					throw 'Can\'t lex strings';
+				}
+
+				const start = current;
+				while (body[current++] !== '"') { //find the terminating "
+					if (!body[current - 1]) {
+						throw 'Unterminated string';
+					}
+				}
+				tokens.push(body.substring(start, current - 1));
+				break;
+			}
+
+			default: {
+				//ignore whitespace
+				if (/\s/.test(body[current - 1])) {
+					break;
+				}
+
+				//anything else is a multi-character token
+				const start = current;
+				while(body[current] && !/[{}"\s]/.test(body[current])) {
+					current++;
+				}
+				tokens.push(body.substring(start - 1, current));
+				break;
+			}
+		}
+	}
+
+	if (options.debug) {
+		console.log('Input:\n', tokens, '\n');
+	}
+
+	return tokens;
+};
+
+module.exports = parseInput;