fixes

jenkins.js

@@ -15,6 +15,11 @@ fs.writeFileSync ('package.json', JSON.stringify (pkg, null, 2));
 child_process.execSync ('yarn lint', { stdio: 'inherit' });
 if (typeof pkg.scripts !== 'undefined' && typeof pkg.scripts.test === 'string')
   child_process.execSync ('yarn test', { stdio: 'inherit' });
+if (
+  typeof pkg.scripts !== 'undefined' 
+  && typeof pkg.scripts.compile === 'string'
+)
+  child_process.execSync ('yarn compile', { stdio: 'inherit' });
 
 child_process.exec ('git log -1 | grep \'\\[no publish\\]\'')
   .addListener ('exit', (code) => {

package.json

@@ -15,6 +15,7 @@
   "scripts": {
     "lint": "eslint . --ext .js,.jsx,.ts,.tsx,.vue,.mjs",
     "test": "tsc && nyc ava",
-    "ci": "yarn && node jenkins.js"
+    "ci": "yarn && node jenkins.js",
+    "compile": "tsc"
   }
-}
+}

test/Graph.ts

@@ -1,4 +1,3 @@
-import fs from 'fs';
 import test from 'ava';
 import { Graph, Node } from '../lib';