package-lock.json

       }
     },
     "minimist": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
       "dev": true
     },
     "mkdirp": {
-      "version": "0.5.1",
-      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
-      "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+      "version": "0.5.5",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
+      "integrity": "sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==",
       "dev": true,
       "requires": {
-        "minimist": "0.0.8"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "0.0.8",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
-          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
-          "dev": true
-        }
+        "minimist": "^1.2.5"
       }
     },
     "object-inspect": {

package.json

     "@types/node": "^10.12.18",
     "@types/tape": "^4.2.33",
     "faucet": "0.0.1",
-    "minimist": "^1.2.0",
+    "minimist": "^1.2.5",
     "tape": "^4.9.2",
     "ts-node": "^7.0.1",
     "tslint": "^5.12.1",

src/compiler.ts

     const resultError = result.find((el) => el instanceof EnvError);
     if (resultError !== undefined) return resultError;
 
-    return result.join(this.prettyPrint ? '\n' : '');
+    const output = result.join(this.prettyPrint ? '\n' : '');
+    return this.prettyPrint ? output.trim() : output;
   }
 }

src/tests/parser.test.ts

   }
 });
 
-test('parses a identifier', (t) => {
+test('parses an identifier', (t) => {
   t.plan(2);
   const result = parse('$blue');
   t.false(result instanceof ParserError);