Refactor, units, tests

package.json

@@ -11,18 +11,20 @@
     "bin": "./src/cli.js",
     "scripts": {
         "build": "rollup -c",
-        "test": "nyc --reporter=html --reporter=text mocha -r chai/register-should"
+        "test": "nyc --reporter=html --reporter=text mocha -r chai/register-should test/unit/*.js test/complex/index.js"
     },
     "dependencies": {
         "fs-extra": "^9.0.1",
         "js-yaml": "^3.14.0",
         "makerjs": "github:mrzealot/maker.js-dist",
+        "mathjs": "^8.1.1",
         "yargs": "^15.4.1"
     },
     "devDependencies": {
         "@rollup/plugin-commonjs": "^13.0.2",
         "@rollup/plugin-replace": "^2.3.3",
         "chai": "^4.2.0",
+        "glob": "^7.1.6",
         "mocha": "^8.1.3",
         "nyc": "^15.1.0",
         "rollup": "^2.22.1"
@@ -33,7 +35,8 @@
             "src/*.js"
         ],
         "exclude": [
-            "src/cli.js"
+            "src/cli.js",
+            "src/io.js"
         ]
     }
 }