add prettier

.npmignore

@@ -3,4 +3,6 @@ test
 typings
 scripts
 tsconfig.json
-.travis.yml
+.travis.yml
+.prettierrc
+.prettierignore

.prettierignore

@@ -0,0 +1 @@
+dist/

.prettierrc

@@ -0,0 +1,8 @@
+{
+  "printWidth": 100,
+  "tabWidth": 2,
+  "semi": true,
+  "singleQuote": false,
+  "trailingComma": "all",
+  "parser": "typescript"
+}

package.json

@@ -21,6 +21,7 @@
     "chai-as-promised": "^7.1.1",
     "ganache-cli": "^6.0.3",
     "mocha": "^4.0.1",
+    "prettier": "1.9.1",
     "ts-node": "^3.3.0",
     "typescript": "^2.6.1",
     "web3": "0.20.2",
@@ -39,7 +40,11 @@
   "scripts": {
     "build": "rm -rf ./dist && tsc -p ./tsconfig.production.json",
     "postbuild": "chmod +x ./dist/cli.js",
-    "test": "./scripts/test.sh",
+    "lint": "yarn formatting",
+    "lint:fix": "yarn formatting:fix",
+    "formatting": "prettier --list-different **/*.ts",
+    "formatting:fix": "prettier --write **/*.ts",
+    "test": "yarn lint && ./scripts/test.sh",
     "test:unit": "NODE_ENV=test mocha --require ts-node/register.js 'test/unit/**/*.spec.ts'",
     "test:integration": "NODE_ENV=test mocha --require ts-node/register.js 'test/integration/web3.ts' 'test/integration/**/*.spec.ts'",
     "test:generateContracts": "NODE_ENV=development ts-node ./lib/cli.ts"

yarn.lock

@@ -1692,6 +1692,10 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
+prettier@1.9.1:
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.9.1.tgz#41638a0d47c1efbd1b7d5a742aaa5548eab86d70"
+
 process-nextick-args@~1.0.6:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"