Add prettier

package.json

@@ -4,10 +4,12 @@
   "license": "GPL-3.0-or-later",
   "scripts": {
     "lint:ts": "tsc --no-emit",
-    "test": "ts-node src/index.ts examples/threshold-pushing.txt"
+    "test": "ts-node src/index.ts examples/threshold-pushing.txt",
+    "format:js": "prettier --write src/"
   },
   "devDependencies": {
     "@types/node": "^14.10.3",
+    "prettier": "^2.1.2",
     "ts-node": "^9.0.0",
     "typescript": "^4.0.2"
   }

src/index.ts

@@ -13,7 +13,7 @@ const parseDefinition = (line: string): Def | undefined => {
   return {
     type: matches[1],
     text: matches[2],
-  }
+  };
 };
 
 const isDefined = <T>(x: T | undefined): x is T => Boolean(x);
@@ -24,7 +24,8 @@ console.log(`Parsing: ${filename}`);
 
 const file = fs.readFileSync(filename, "utf8");
 
-file.split(/\n/)
+file
+  .split(/\n/)
   .map(parseDefinition)
   .filter(isDefined)
   .forEach((def) => console.log(def.type));

yarn.lock

@@ -27,6 +27,11 @@ make-error@^1.1.1:
   resolved "https://registry.yarnpkg.com/make-error/-/make-error-1.3.6.tgz#2eb2e37ea9b67c4891f684a1394799af484cf7a2"
   integrity sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==
 
+prettier@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.1.2.tgz#3050700dae2e4c8b67c4c3f666cdb8af405e1ce5"
+  integrity sha512-16c7K+x4qVlJg9rEbXl7HEGmQyZlG4R9AgP+oHKRMsMsuk8s+ATStlf1NpDqyBI1HpVyfjLOeMhH2LvuNvV5Vg==
+
 source-map-support@^0.5.17:
   version "0.5.19"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.19.tgz#a98b62f86dcaf4f67399648c085291ab9e8fed61"