Add lint pre-commit hook using husky & lint-staged (#1973)

Author: t3chguy

.husky/pre-commit

@@ -0,0 +1,4 @@
+#!/usr/bin/env sh
+. "$(dirname "$0")/_/husky.sh"
+
+npx lint-staged --concurrent false

.lintstagedrc

@@ -0,0 +1,4 @@
+{
+    "*": "prettier --write",
+    "*.(ts|tsx)": ["eslint --fix"]
+}

knip.ts

@@ -12,6 +12,8 @@ export default {
         "@types/yargs",
         // Required for `action-validator`
         "@action-validator/*",
+        // Used for git pre-commit hooks
+        "husky",
     ],
     ignoreBinaries: ["jq", "scripts/in-docker.sh"],
 } satisfies KnipConfig;

package.json

@@ -100,7 +100,9 @@
         "eslint-plugin-n": "^17.12.0",
         "eslint-plugin-unicorn": "^56.0.0",
         "glob": "^11.0.0",
+        "husky": "^9.1.6",
         "knip": "^5.0.0",
+        "lint-staged": "^15.2.10",
         "matrix-web-i18n": "^3.2.1",
         "mkdirp": "^3.0.0",
         "pacote": "^20.0.0",