Repo standardization

.circleci/config.yml

@@ -1,26 +1,66 @@
-# Javascript Node CircleCI 2.0 configuration file
-#
-# Check https://circleci.com/docs/2.0/language-javascript/ for more details
-#
-version: 2
+version: 2.1
+
+workflows:
+  build-test:
+    jobs:
+      - prep-deps
+      - test-lint:
+          requires:
+            - prep-deps
+      - test-unit:
+          requires:
+            - prep-deps
+      - all-tests-pass:
+          requires:
+            - test-lint
+            - test-unit
+
 jobs:
-  build:
+  prep-deps:
     docker:
-      # specify the version you desire here
       - image: circleci/node:12
+    steps:
+      - checkout
+      - run:
+          name: Install deps
+          command: |
+            .circleci/scripts/deps-install.sh
+      - run:
+          name: Collect yarn install HAR logs
+          command: |
+            .circleci/scripts/collect-har-artifact.sh
+      - persist_to_workspace:
+          root: .
+          paths:
+          - node_modules
+          - build-artifacts
 
-      # Specify service dependencies here if necessary
-      # CircleCI maintains a library of pre-built images
-      # documented at https://circleci.com/docs/2.0/circleci-images/
-      # - image: circleci/mongo:3.4.4
-
-    working_directory: ~/repo
-
+  test-lint:
+    docker:
+      - image: circleci/node:12
     steps:
       - checkout
+      - attach_workspace:
+          at: .
+      - run:
+          name: Lint
+          command: yarn lint
 
-      # install dependencies
-      - run: npm install
+  test-unit:
+    docker:
+      - image: circleci/node:12
+    steps:
+      - checkout
+      - attach_workspace:
+          at: .
+      - run:
+          name: Unit tests
+          command: yarn test
 
-      # run tests
-      - run: npm run test
+  all-tests-pass:
+    docker:
+      - image: circleci/node:12
+    steps:
+      - run:
+          name: All tests passed
+          command: echo 'Great success'

.circleci/scripts/collect-har-artifact.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+set -x
+set -e
+set -u
+set -o pipefail
+
+mkdir -p build-artifacts/yarn-install-har
+mv ./*.har build-artifacts/yarn-install-har/

.circleci/scripts/deps-install.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+set -x
+set -e
+set -u
+set -o pipefail
+
+yarn --frozen-lockfile --har

.gitattributes

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

.nvmrc

@@ -0,0 +1 @@
+v12

README.md

@@ -45,8 +45,8 @@ Testing
 -------
 Run the following command:
 
-```
-npm test
+```bash
+yarn test
 ```
 
 

package.json

@@ -6,6 +6,9 @@
   "files": [
     "index.js"
   ],
+  "engines": {
+    "node": ">=12.0.0"
+  },
   "scripts": {
     "test": "mocha",
     "lint": "eslint . --ext .js",