Repo standardization (#86)

* Enforcing minimum node version 12 via .nvmrc, circleci, and the package file
* Adding a note about running tests to README.md
* Adding basic .gitattributes file

Author: ryanml

.circleci/config.yml

@@ -22,7 +22,7 @@ workflows:
 jobs:
   prep-deps:
     docker:
-      - image: circleci/node:10
+      - image: circleci/node:12
     steps:
       - checkout
       - run:
@@ -41,7 +41,7 @@ jobs:
 
   test-lint:
     docker:
-      - image: circleci/node:10
+      - image: circleci/node:12
     steps:
       - checkout
       - attach_workspace:
@@ -52,7 +52,7 @@ jobs:
 
   prep-build:
     docker:
-      - image: circleci/node:10
+      - image: circleci/node:12
     steps:
       - checkout
       - attach_workspace:
@@ -67,7 +67,7 @@ jobs:
 
   test-unit:
     docker:
-      - image: circleci/node:10
+      - image: circleci/node:12
     steps:
       - checkout
       - attach_workspace:
@@ -78,7 +78,7 @@ jobs:
 
   all-tests-pass:
     docker:
-      - image: circleci/node:10
+      - image: circleci/node:12
     steps:
       - run:
           name: All tests passed

.gitattributes

@@ -0,0 +1,3 @@
+* text=auto
+
+yarn.lock linguist-generated=false

.nvmrc

@@ -1 +1 @@
-v10
+v12

README.md

@@ -143,3 +143,15 @@ engine.push(function(req, res, next, end){
   next() /* This will cause end(res.error) to be called. */
 })
 ```
+
+## Running tests
+
+Build the project if not already built:
+
+```bash
+yarn build
+```
+
+```bash
+yarn test
+```

package.json

@@ -6,7 +6,7 @@
   "author": "kumavis",
   "main": "dist/index.js",
   "engines": {
-    "node": ">=10.0.0"
+    "node": ">=12.0.0"
   },
   "files": [
     "dist"