chore: switch to husky v7

Author: vladholubiev

.gitignore

@@ -4,3 +4,4 @@ node_modules/
 .DS_Store
 yarn.lock
 *.tar.gz
+!.husky/_/husky.sh

.husky/_/husky.sh

@@ -0,0 +1,31 @@
+#!/bin/sh
+if [ -z "$husky_skip_init" ]; then
+  debug () {
+    if [ "$HUSKY_DEBUG" = "1" ]; then
+      echo "husky (debug) - $1"
+    fi
+  }
+
+  readonly hook_name="$(basename "$0")"
+  debug "starting $hook_name..."
+
+  if [ "$HUSKY" = "0" ]; then
+    debug "HUSKY env variable is set to 0, skipping hook"
+    exit 0
+  fi
+
+  if [ -f ~/.huskyrc ]; then
+    debug "sourcing ~/.huskyrc"
+    . ~/.huskyrc
+  fi
+
+  export readonly husky_skip_init=1
+  sh -e "$0" "$@"
+  exitCode="$?"
+
+  if [ $exitCode != 0 ]; then
+    echo "husky - $hook_name hook exited with code $exitCode (error)"
+  fi
+
+  exit $exitCode
+fi

.husky/post-commit

@@ -0,0 +1,3 @@
+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+git update-index --again

.husky/pre-commit

@@ -0,0 +1,3 @@
+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+yarn lint-staged

package.json

@@ -31,16 +31,11 @@
   "devDependencies": {
     "@shelf/eslint-config": "0.19.0",
     "eslint": "7.6.0",
-    "husky": "4.2.5",
+    "husky": "7.0.4",
     "jest": "26.2.2",
     "lint-staged": "10.2.11",
     "prettier": "2.0.5"
   },
-  "husky": {
-    "hooks": {
-      "pre-commit": "lint-staged"
-    }
-  },
   "lint-staged": {
     "*.js": [
       "eslint --fix",