Add CSpell

.gitattributes

@@ -0,0 +1 @@
+* text=auto eol=lf

.lintstagedrc.js

@@ -1,5 +1,9 @@
+const toRelative = require('./src/utils/relativePath.js');
+
 module.exports = {
   '*': 'prettier --check --ignore-unknown',
   '*.js': 'eslint --cache',
   '*.{js,ts}': () => 'npm run typescript:check',
+  '*': (files) =>
+    `cspell --show-suggestions --quiet --gitignore ${toRelative(files)}`,
 };

cspell.json

@@ -0,0 +1,13 @@
+{
+  "$schema": "https://raw.githubusercontent.com/streetsidesoftware/cspell/main/cspell.schema.json",
+  "version": "0.2",
+  "dictionaryDefinitions": [
+    {
+      "name": "project-words",
+      "path": "./project-words.txt",
+      "addWords": true
+    }
+  ],
+  "dictionaries": ["project-words"],
+  "ignorePaths": ["node_modules", "/project-words.txt"]
+}