Use prettier@2

Author: mroderick

.prettierignore

@@ -0,0 +1,9 @@
+coverage/
+pkg/
+site/
+coverage/
+.nyc_output/
+tmp/
+out/
+types/
+CHANGES.md

.prettierrc

@@ -0,0 +1,2 @@
+# This project uses Prettier defaults, the config file is present in
+# order to trigger editor plugins to allow format on save behaviour

package-lock.json

@@ -12,6 +12,7 @@
     "url": "https://github.com/sinonjs/samsam.git"
   },
   "lint-staged": {
+    "*.{js,css,md}": "prettier --check",
     "*.js": "eslint"
   },
   "scripts": {
@@ -25,6 +26,8 @@
     "test-check-coverage": "npm run test-coverage && nyc check-coverage --branches 100 --functions 100 --lines 100",
     "test-coverage": "nyc --all --reporter text --reporter html --reporter lcovonly npm run test",
     "test-headless": "mochify --no-detect-globals --recursive -R dot --plugin [ proxyquire-universal ] \"./lib/*.test.js\"",
+    "prettier:check": "prettier --check '**/*.{js,css,md}'",
+    "prettier:write": "prettier --write '**/*.{js,css,md}'",
     "preversion": "npm run test-check-coverage",
     "version": "changes --commits --footer",
     "postversion": "git push --follow-tags && npm publish --access public"
@@ -67,7 +70,7 @@
     "mocha": "^7.0.1",
     "mochify": "^6.6.0",
     "nyc": "^15.0.0",
-    "prettier": "^1.18.2",
+    "prettier": "^2.2.1",
     "proxyquire": "^2.1.3",
     "proxyquire-universal": "^2.1.0",
     "proxyquireify": "^3.2.1",