Adding pre-commit hook

package.json

@@ -16,6 +16,11 @@
     "test:unit": "jest --coverage",
     "test:watch": "jest --watch"
   },
+  "husky": {
+    "hooks": {
+      "pre-commit": "yarn test:lint"
+    }
+  },
   "browserslist": [
     ">1%",
     "not ie < 11"
@@ -90,6 +95,7 @@
     "gatsby-plugin-postcss": "^2.0.2",
     "gatsby-plugin-react-helmet": "^3.0.5",
     "gatsby-plugin-sentry": "^1.0.0",
+    "husky": "^1.3.1",
     "i18next": "^13.1.0",
     "i18next-browser-languagedetector": "^2.2.4",
     "i18next-xhr-backend": "^1.5.1",

yarn.lock

@@ -3365,7 +3365,7 @@ cosmiconfig@^4.0.0:
     parse-json "^4.0.0"
     require-from-string "^2.0.1"
 
-cosmiconfig@^5.0.0, cosmiconfig@^5.0.5:
+cosmiconfig@^5.0.0, cosmiconfig@^5.0.5, cosmiconfig@^5.0.7:
   version "5.0.7"
   resolved "https://registry.yarnpkg.com/cosmiconfig/-/cosmiconfig-5.0.7.tgz#39826b292ee0d78eda137dfa3173bd1c21a43b04"
   integrity sha512-PcLqxTKiDmNT6pSpy4N6KtuPwb53W+2tzNvwOZw0WH9N6O0vLIBq0x8aj8Oj75ere4YcGi48bDFCL+3fRJdlNA==
@@ -5771,6 +5771,11 @@ get-port@^3.0.0:
   resolved "https://registry.yarnpkg.com/get-port/-/get-port-3.2.0.tgz#dd7ce7de187c06c8bf353796ac71e099f0980ebc"
   integrity sha1-3Xzn3hh8Bsi/NTeWrHHgmfCYDrw=
 
+get-stdin@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-6.0.0.tgz#9e09bf712b360ab9225e812048f71fde9c89657b"
+  integrity sha512-jp4tHawyV7+fkkSKyvjuLZswblUtz+SQKzSWnBbii16BuZksJlU1wuBYXY75r+duh/llF1ur6oNwi+2ZzjKZ7g==
+
 get-stream@3.0.0, get-stream@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-3.0.0.tgz#8e943d1358dc37555054ecbe2edb05aa174ede14"
@@ -6482,6 +6487,22 @@ https-browserify@^1.0.0:
   resolved "https://registry.yarnpkg.com/https-browserify/-/https-browserify-1.0.0.tgz#ec06c10e0a34c0f2faf199f7fd7fc78fffd03c73"
   integrity sha1-7AbBDgo0wPL68Zn3/X/Hj//QPHM=
 
+husky@^1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/husky/-/husky-1.3.1.tgz#26823e399300388ca2afff11cfa8a86b0033fae0"
+  integrity sha512-86U6sVVVf4b5NYSZ0yvv88dRgBSSXXmHaiq5pP4KDj5JVzdwKgBjEtUPOm8hcoytezFwbU+7gotXNhpHdystlg==
+  dependencies:
+    cosmiconfig "^5.0.7"
+    execa "^1.0.0"
+    find-up "^3.0.0"
+    get-stdin "^6.0.0"
+    is-ci "^2.0.0"
+    pkg-dir "^3.0.0"
+    please-upgrade-node "^3.1.1"
+    read-pkg "^4.0.1"
+    run-node "^1.0.0"
+    slash "^2.0.0"
+
 i18next-browser-languagedetector@^2.2.4:
   version "2.2.4"
   resolved "https://registry.yarnpkg.com/i18next-browser-languagedetector/-/i18next-browser-languagedetector-2.2.4.tgz#b02412d7ab15d7d74e1b1317d67d8a244b219ee3"
@@ -9713,6 +9734,13 @@ pkginfo@0.x.x:
   resolved "https://registry.yarnpkg.com/pkginfo/-/pkginfo-0.4.1.tgz#b5418ef0439de5425fc4995042dced14fb2a84ff"
   integrity sha1-tUGO8EOd5UJfxJlQQtztFPsqhP8=
 
+please-upgrade-node@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/please-upgrade-node/-/please-upgrade-node-3.1.1.tgz#ed320051dfcc5024fae696712c8288993595e8ac"
+  integrity sha512-KY1uHnQ2NlQHqIJQpnh/i54rKkuxCEBx+voJIS/Mvb+L2iYd2NMotwduhKTMjfC1uKoX3VXOxLjIYG66dfJTVQ==
+  dependencies:
+    semver-compare "^1.0.0"
+
 pleeease-filters@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/pleeease-filters/-/pleeease-filters-4.0.0.tgz#6632b2fb05648d2758d865384fbced79e1ccaec7"
@@ -10880,6 +10908,15 @@ read-pkg@^2.0.0:
     normalize-package-data "^2.3.2"
     path-type "^2.0.0"
 
+read-pkg@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-4.0.1.tgz#963625378f3e1c4d48c85872b5a6ec7d5d093237"
+  integrity sha1-ljYlN48+HE1IyFhytabsfV0JMjc=
+  dependencies:
+    normalize-package-data "^2.3.2"
+    parse-json "^4.0.0"
+    pify "^3.0.0"
+
 read@1.0.x, read@^1.0.7:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/read/-/read-1.0.7.tgz#b3da19bd052431a97671d44a42634adf710b40c4"
@@ -11404,6 +11441,11 @@ run-async@^2.2.0:
   dependencies:
     is-promise "^2.1.0"
 
+run-node@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/run-node/-/run-node-1.0.0.tgz#46b50b946a2aa2d4947ae1d886e9856fd9cabe5e"
+  integrity sha512-kc120TBlQ3mih1LSzdAJXo4xn/GWS2ec0l3S+syHDXP9uRr0JAT8Qd3mdMuyjqCzeZktgP3try92cEgf9Nks8A==
+
 run-queue@^1.0.0, run-queue@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/run-queue/-/run-queue-1.0.3.tgz#e848396f057d223f24386924618e25694161ec47"
@@ -11518,6 +11560,11 @@ selfsigned@^1.9.1:
   dependencies:
     node-forge "0.7.5"
 
+semver-compare@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/semver-compare/-/semver-compare-1.0.0.tgz#0dee216a1c941ab37e9efb1788f6afc5ff5537fc"
+  integrity sha1-De4hahyUGrN+nvsXiPavxf9VN/w=
+
 semver-diff@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/semver-diff/-/semver-diff-2.1.0.tgz#4bbb8437c8d37e4b0cf1a68fd726ec6d645d6d36"
@@ -11741,6 +11788,11 @@ slash@^1.0.0:
   resolved "https://registry.yarnpkg.com/slash/-/slash-1.0.0.tgz#c41f2f6c39fc16d1cd17ad4b5d896114ae470d55"
   integrity sha1-xB8vbDn8FtHNF61LXYlhFK5HDVU=
 
+slash@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/slash/-/slash-2.0.0.tgz#de552851a1759df3a8f206535442f5ec4ddeab44"
+  integrity sha512-ZYKh3Wh2z1PpEXWr0MpSBZ0V6mZHAQfYevttO11c51CaWjGTaadiKZ+wVt1PbMlDV5qhMFslpZCemhwOK7C89A==
+
 slice-ansi@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-2.0.0.tgz#5373bdb8559b45676e8541c66916cdd6251612e7"