From db7b849898cda03475e937d3c8e2f807342b6f09 Mon Sep 17 00:00:00 2001
From: Romaric <romaric.pascal@digital.cabinet-office.gov.uk>
Date: Wed, 14 Sep 2022 18:09:18 +0100
Subject: [PATCH] Set up pre-commit git hook using husky

Install the hooks in the prepare script through a node call rather than just `husky install`
as the package won't be installed on Heroku, which would make the `prepare` script fail

A mix of both solutions from:
https://typicode.github.io/husky/#/?id=with-a-custom-script
---
 .husky/pre-commit |  4 ++++
 package-lock.json | 16 ++++++++++++++++
 package.json      |  4 +++-
 3 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100755 .husky/pre-commit

diff --git a/.husky/pre-commit b/.husky/pre-commit
new file mode 100755
index 0000000000..cf0c46b936
--- /dev/null
+++ b/.husky/pre-commit
@@ -0,0 +1,4 @@
+#!/usr/bin/env sh
+. "$(dirname -- "$0")/_/husky.sh"
+
+npx --no-install lint-staged
diff --git a/package-lock.json b/package-lock.json
index e08da9c677..a86c7335de 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -63,6 +63,7 @@
         "eslint-plugin-n": "^15.5.1",
         "eslint-plugin-promise": "^6.1.1",
         "html-validate": "7.10.0",
+        "husky": "^8.0.2",
         "jest": "^29.3.1",
         "jest-axe": "^7.0.0",
         "jest-dev-server": "^6.1.1",
@@ -11813,6 +11814,21 @@
         "ms": "^2.0.0"
       }
     },
+    "node_modules/husky": {
+      "version": "8.0.2",
+      "resolved": "https://registry.npmjs.org/husky/-/husky-8.0.2.tgz",
+      "integrity": "sha512-Tkv80jtvbnkK3mYWxPZePGFpQ/tT3HNSs/sasF9P2YfkMezDl3ON37YN6jUUI4eTg5LcyVynlb6r4eyvOmspvg==",
+      "dev": true,
+      "bin": {
+        "husky": "lib/bin.js"
+      },
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/typicode"
+      }
+    },
     "node_modules/iconv-lite": {
       "version": "0.4.24",
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
diff --git a/package.json b/package.json
index 3aaa19e038..cf7172f9fa 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,8 @@
     "lint:js": "npm run lint:js:cli -- \"**/*.{cjs,js,mjs}\"",
     "lint:js:cli": "eslint --cache --cache-location .cache/eslint --cache-strategy content --color --ignore-path .gitignore --max-warnings 0",
     "lint:scss": "npm run lint:scss:cli -- \"{app,src}/**/*.scss\"",
-    "lint:scss:cli": "stylelint --cache --cache-location .cache/stylelint --cache-strategy content --color --ignore-path .gitignore --max-warnings 0"
+    "lint:scss:cli": "stylelint --cache --cache-location .cache/stylelint --cache-strategy content --color --ignore-path .gitignore --max-warnings 0",
+    "prepare": "node -e \"process.env.CI || require('husky').install() \""
   },
   "dependencies": {
     "@babel/core": "^7.20.2",
@@ -87,6 +88,7 @@
     "eslint-plugin-n": "^15.5.1",
     "eslint-plugin-promise": "^6.1.1",
     "html-validate": "7.10.0",
+    "husky": "^8.0.2",
     "jest": "^29.3.1",
     "jest-axe": "^7.0.0",
     "jest-dev-server": "^6.1.1",