docs: add prettier to CONTRIBUTING.md test commands

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ### Unreleased
 
+- Add `prettier:fix` and `prettier:check` npm scripts
 - Fix garbled text copying in Chrome/Edge for PDFs with >256 unique characters (#1659)
 - Fix Link accessibility issues
 - Fix Table Accessibility Issue: Operator CS/cs not allowed in this current state

CONTRIBUTING.md

@@ -71,10 +71,11 @@ Test commands
 * `npm run test:unit`: Run unit tests
 * `npm run test:visual`: Run visual tests
 * `npm run lint`: Run linter
+* `npm run prettier:fix`: Run prettier
 
 To write new tests, look for the *.spec.js files at `test/unit` and `test/visual` as examples
 
-> Visual tests should use an embedded font, instead of system fonts, to ensure uniform rendering between different environments
+> Visual tests should use an embedded font, instead of system fonts, to ensure uniform rendering between different environments. In addition it should only have 1 test per file.
 
 ## Documentation
 

package.json

@@ -66,6 +66,8 @@
     "docs": "npm run pdf-guide && npm run website && npm run browserify-example",
     "lint": "eslint {lib,tests}/**/*.js",
     "prettier": "prettier lib tests docs",
+    "prettier:fix": "prettier --write lib tests docs",
+    "prettier:check": "prettier --check lib tests docs",
     "test": "jest",
     "test:visual": "jest visual/",
     "test:unit": "jest unit/"