chore: Set up pre-commit hook for formatting

2 files changed, 210 insertions, 7 deletions

diff --git a/package.json b/package.json
index 45ef027..c53c13c 100644
--- a/package.json
+++ b/package.json
@@ -6,15 +6,24 @@
   "repository": "https://git.alanpearce.eu/homestead",
   "author": "Alan Pearce <alan@alanpearce.eu>",
   "license": "MIT",
+  "lint-staged": {
+    "*.js": [
+      "prettier-standard",
+      "git add"
+    ]
+  },
   "scripts": {
     "dev:assist": "auto-install --yarn",
     "format": "prettier-standard 'src/**/*.js'",
+    "precommit": "lint-staged",
     "test": "ava '**/*.test.js'",
     "test:watch": "ava --watch '**/*.test.js'"
   },
   "devDependencies": {
     "auto-install": "^1.7.4",
     "ava": "^0.19.1",
+    "husky": "^0.13.4",
+    "lint-staged": "^3.6.1",
     "prettier-standard": "^5.1.0",
     "standard": "^10.0.2",
     "supertest": "^3.0.0"
diff --git a/yarn.lock b/yarn.lock
index c5345e0..c9b12ca 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -79,7 +79,7 @@ ansi-align@^2.0.0:
   dependencies:
     string-width "^2.0.0"
 
-ansi-escapes@^1.1.0:
+ansi-escapes@^1.0.0, ansi-escapes@^1.1.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-1.4.0.tgz#d3a8a83b319aa67793662b13e761c7911422306e"
 
@@ -112,6 +112,10 @@ anymatch@^1.3.0:
     arrify "^1.0.0"
     micromatch "^2.1.5"
 
+app-root-path@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/app-root-path/-/app-root-path-2.0.1.tgz#cd62dcf8e4fd5a417efc664d2e5b10653c651b46"
+
 aproba@^1.0.3:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.1.2.tgz#45c6629094de4e96f693ef7eab74ae079c240fc1"
@@ -821,6 +825,10 @@ cli-cursor@^2.1.0:
   dependencies:
     restore-cursor "^2.0.0"
 
+cli-spinners@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/cli-spinners/-/cli-spinners-0.1.2.tgz#bb764d88e185fb9e1e6a2a1f19772318f605e31c"
+
 cli-spinners@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/cli-spinners/-/cli-spinners-0.2.0.tgz#85078737913b880f6ec9ffe7b65e83ec7776284f"
@@ -829,6 +837,13 @@ cli-spinners@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/cli-spinners/-/cli-spinners-1.0.0.tgz#ef987ed3d48391ac3dab9180b406a742180d6e6a"
 
+cli-truncate@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/cli-truncate/-/cli-truncate-0.2.1.tgz#9f15cfbb0705005369216c626ac7d05ab90dd574"
+  dependencies:
+    slice-ansi "0.0.4"
+    string-width "^1.0.1"
+
 cli-truncate@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/cli-truncate/-/cli-truncate-1.0.0.tgz#21eb91f47b3f6560f004db77a769b4668d9c5518"
@@ -985,6 +1000,19 @@ core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
 
+cosmiconfig@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/cosmiconfig/-/cosmiconfig-1.1.0.tgz#0dea0f9804efdfb929fbb1b188e25553ea053d37"
+  dependencies:
+    graceful-fs "^4.1.2"
+    js-yaml "^3.4.3"
+    minimist "^1.2.0"
+    object-assign "^4.0.1"
+    os-homedir "^1.0.1"
+    parse-json "^2.2.0"
+    pinkie-promise "^2.0.0"
+    require-from-string "^1.1.0"
+
 create-error-class@^3.0.0, create-error-class@^3.0.1:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/create-error-class/-/create-error-class-3.0.2.tgz#06be7abef947a3f14a30fd610671d401bca8b7b6"
@@ -1005,6 +1033,14 @@ cross-spawn@^4.0.0:
     lru-cache "^4.0.1"
     which "^1.2.9"
 
+cross-spawn@^5.0.1:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
+  dependencies:
+    lru-cache "^4.0.1"
+    shebang-command "^1.2.0"
+    which "^1.2.9"
+
 cryptiles@2.x.x:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/cryptiles/-/cryptiles-2.0.5.tgz#3bdfecdc608147c1c67202fa291e7dca59eaa3b8"
@@ -1033,6 +1069,10 @@ dashdash@^1.12.0:
   dependencies:
     assert-plus "^1.0.0"
 
+date-fns@^1.27.2:
+  version "1.28.5"
+  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-1.28.5.tgz#257cfc45d322df45ef5658665967ee841cd73faf"
+
 date-time@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/date-time/-/date-time-0.1.1.tgz#ed2f6d93d9790ce2fd66d5b5ff3edd5bbcbf3b07"
@@ -1194,6 +1234,10 @@ ee-first@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
 
+elegant-spinner@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/elegant-spinner/-/elegant-spinner-1.0.1.tgz#db043521c95d7e303fd8f345bedc3349cfb0729e"
+
 empower-core@^0.6.1:
   version "0.6.2"
   resolved "https://registry.yarnpkg.com/empower-core/-/empower-core-0.6.2.tgz#5adef566088e31fba80ba0a36df47d7094169144"
@@ -1492,6 +1536,18 @@ execa@^0.5.0:
     signal-exit "^3.0.0"
     strip-eof "^1.0.0"
 
+execa@^0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/execa/-/execa-0.7.0.tgz#944becd34cc41ee32a63a9faf27ad5a65fc59777"
+  dependencies:
+    cross-spawn "^5.0.1"
+    get-stream "^3.0.0"
+    is-stream "^1.1.0"
+    npm-run-path "^2.0.0"
+    p-finally "^1.0.0"
+    signal-exit "^3.0.0"
+    strip-eof "^1.0.0"
+
 exit-hook@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/exit-hook/-/exit-hook-1.1.1.tgz#f05ca233b48c05d54fff07765df8507e95c02ff8"
@@ -1526,7 +1582,7 @@ fast-levenshtein@~2.0.4:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
 
-figures@^1.3.5:
+figures@^1.3.5, figures@^1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/figures/-/figures-1.7.0.tgz#cbe1e3affcf1cd44b80cadfed28dc793a9701d2e"
   dependencies:
@@ -1568,6 +1624,10 @@ find-cache-dir@^0.1.1:
     mkdirp "^0.5.1"
     pkg-dir "^1.0.0"
 
+find-parent-dir@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/find-parent-dir/-/find-parent-dir-0.3.0.tgz#33c44b429ab2b2f0646299c5f9f718f376ff8d54"
+
 find-root@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/find-root/-/find-root-1.0.0.tgz#962ff211aab25c6520feeeb8d6287f8f6e95807a"
@@ -1962,6 +2022,15 @@ hullabaloo-config-manager@^1.0.0:
     resolve-from "^3.0.0"
     safe-buffer "^5.0.1"
 
+husky@^0.13.4:
+  version "0.13.4"
+  resolved "https://registry.yarnpkg.com/husky/-/husky-0.13.4.tgz#48785c5028de3452a51c48c12c4f94b2124a1407"
+  dependencies:
+    chalk "^1.1.3"
+    find-parent-dir "^0.3.0"
+    is-ci "^1.0.9"
+    normalize-path "^1.0.0"
+
 ignore-by-default@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/ignore-by-default/-/ignore-by-default-1.0.1.tgz#48ca6d72f6c6a3af00a9ad4ae6876be3889e2b09"
@@ -2063,7 +2132,7 @@ is-callable@^1.1.1, is-callable@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.1.3.tgz#86eb75392805ddc33af71c92a0eedf74ee7604b2"
 
-is-ci@^1.0.7:
+is-ci@^1.0.7, is-ci@^1.0.9:
   version "1.0.10"
   resolved "https://registry.yarnpkg.com/is-ci/-/is-ci-1.0.10.tgz#f739336b2632365061a9d48270cd56ae3369318e"
   dependencies:
@@ -2327,7 +2396,7 @@ js-tokens@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.1.tgz#08e9f132484a2c45a30907e9dc4d5567b7f114d7"
 
-js-yaml@^3.5.1, js-yaml@^3.8.2:
+js-yaml@^3.4.3, js-yaml@^3.5.1, js-yaml@^3.8.2:
   version "3.8.4"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.8.4.tgz#520b4564f86573ba96662af85a8cafa7b4b5a6f6"
   dependencies:
@@ -2486,6 +2555,67 @@ levn@^0.3.0, levn@~0.3.0:
     prelude-ls "~1.1.2"
     type-check "~0.3.2"
 
+lint-staged@^3.6.1:
+  version "3.6.1"
+  resolved "https://registry.yarnpkg.com/lint-staged/-/lint-staged-3.6.1.tgz#24423c8b7bd99d96e15acd1ac8cb392a78e58582"
+  dependencies:
+    app-root-path "^2.0.0"
+    cosmiconfig "^1.1.0"
+    execa "^0.7.0"
+    listr "^0.12.0"
+    lodash.chunk "^4.2.0"
+    minimatch "^3.0.0"
+    npm-which "^3.0.1"
+    p-map "^1.1.1"
+    staged-git-files "0.0.4"
+
+listr-silent-renderer@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/listr-silent-renderer/-/listr-silent-renderer-1.1.1.tgz#924b5a3757153770bf1a8e3fbf74b8bbf3f9242e"
+
+listr-update-renderer@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/listr-update-renderer/-/listr-update-renderer-0.2.0.tgz#ca80e1779b4e70266807e8eed1ad6abe398550f9"
+  dependencies:
+    chalk "^1.1.3"
+    cli-truncate "^0.2.1"
+    elegant-spinner "^1.0.1"
+    figures "^1.7.0"
+    indent-string "^3.0.0"
+    log-symbols "^1.0.2"
+    log-update "^1.0.2"
+    strip-ansi "^3.0.1"
+
+listr-verbose-renderer@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/listr-verbose-renderer/-/listr-verbose-renderer-0.4.0.tgz#44dc01bb0c34a03c572154d4d08cde9b1dc5620f"
+  dependencies:
+    chalk "^1.1.3"
+    cli-cursor "^1.0.2"
+    date-fns "^1.27.2"
+    figures "^1.7.0"
+
+listr@^0.12.0:
+  version "0.12.0"
+  resolved "https://registry.yarnpkg.com/listr/-/listr-0.12.0.tgz#6bce2c0f5603fa49580ea17cd6a00cc0e5fa451a"
+  dependencies:
+    chalk "^1.1.3"
+    cli-truncate "^0.2.1"
+    figures "^1.7.0"
+    indent-string "^2.1.0"
+    is-promise "^2.1.0"
+    is-stream "^1.1.0"
+    listr-silent-renderer "^1.1.1"
+    listr-update-renderer "^0.2.0"
+    listr-verbose-renderer "^0.4.0"
+    log-symbols "^1.0.2"
+    log-update "^1.0.2"
+    ora "^0.2.3"
+    p-map "^1.1.1"
+    rxjs "^5.0.0-beta.11"
+    stream-to-observable "^0.1.0"
+    strip-ansi "^3.0.1"
+
 load-json-file@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-1.1.0.tgz#956905708d58b4bab4c2261b04f59f31c99374c0"
@@ -2512,6 +2642,10 @@ locate-path@^2.0.0:
     p-locate "^2.0.0"
     path-exists "^3.0.0"
 
+lodash.chunk@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/lodash.chunk/-/lodash.chunk-4.2.0.tgz#66e5ce1f76ed27b4303d8c6512e8d1216e8106bc"
+
 lodash.clonedeep@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz#e23f3f9c4f8fbdde872529c1071857a086e5ccef"
@@ -2562,6 +2696,13 @@ log-symbols@1.0.2, log-symbols@^1.0.2:
   dependencies:
     chalk "^1.0.0"
 
+log-update@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/log-update/-/log-update-1.0.2.tgz#19929f64c4093d2d2e7075a1dad8af59c296b8d1"
+  dependencies:
+    ansi-escapes "^1.0.0"
+    cli-cursor "^1.0.2"
+
 loglevel-colored-level-prefix@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/loglevel-colored-level-prefix/-/loglevel-colored-level-prefix-1.0.0.tgz#6a40218fdc7ae15fc76c3d0f3e676c465388603e"
@@ -2811,12 +2952,22 @@ normalize-package-data@^2.3.2, normalize-package-data@^2.3.4:
     semver "2 || 3 || 4 || 5"
     validate-npm-package-license "^3.0.1"
 
+normalize-path@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-1.0.0.tgz#32d0e472f91ff345701c15a8311018d3b0a90379"
+
 normalize-path@^2.0.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-2.1.1.tgz#1ab28b556e198363a8c1a6f7e6fa20137fe6aed9"
   dependencies:
     remove-trailing-separator "^1.0.1"
 
+npm-path@^2.0.2:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/npm-path/-/npm-path-2.0.3.tgz#15cff4e1c89a38da77f56f6055b24f975dfb2bbe"
+  dependencies:
+    which "^1.2.10"
+
 npm-run-path@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/npm-run-path/-/npm-run-path-1.0.0.tgz#f5c32bf595fe81ae927daec52e82f8b000ac3c8f"
@@ -2829,6 +2980,14 @@ npm-run-path@^2.0.0:
   dependencies:
     path-key "^2.0.0"
 
+npm-which@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/npm-which/-/npm-which-3.0.1.tgz#9225f26ec3a285c209cae67c3b11a6b4ab7140aa"
+  dependencies:
+    commander "^2.9.0"
+    npm-path "^2.0.2"
+    which "^1.2.10"
+
 npmlog@^4.0.2:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/npmlog/-/npmlog-4.1.0.tgz#dc59bee85f64f00ed424efb2af0783df25d1c0b5"
@@ -2928,7 +3087,16 @@ ora@0.3.0:
     cli-spinners "^0.2.0"
     log-symbols "^1.0.2"
 
-os-homedir@^1.0.0:
+ora@^0.2.3:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/ora/-/ora-0.2.3.tgz#37527d220adcd53c39b73571d754156d5db657a4"
+  dependencies:
+    chalk "^1.1.1"
+    cli-cursor "^1.0.2"
+    cli-spinners "^0.1.2"
+    object-assign "^4.0.1"
+
+os-homedir@^1.0.0, os-homedir@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
 
@@ -2963,6 +3131,10 @@ p-locate@^2.0.0:
   dependencies:
     p-limit "^1.1.0"
 
+p-map@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/p-map/-/p-map-1.1.1.tgz#05f5e4ae97a068371bc2a5cc86bfbdbc19c4ae7a"
+
 package-hash@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/package-hash/-/package-hash-1.2.0.tgz#003e56cd57b736a6ed6114cc2b81542672770e44"
@@ -3487,6 +3659,10 @@ require-directory@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
 
+require-from-string@^1.1.0:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/require-from-string/-/require-from-string-1.2.1.tgz#529c9ccef27380adfec9a2f965b649bbee636418"
+
 require-main-filename@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-1.0.1.tgz#97f717b69d48784f5f526a6c5aa8ffdda055a4d1"
@@ -3568,7 +3744,7 @@ rx-lite@^3.1.2:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/rx-lite/-/rx-lite-3.1.2.tgz#19ce502ca572665f3b647b10939f97fd1615f102"
 
-rxjs@^5.4.0:
+rxjs@^5.0.0-beta.11, rxjs@^5.4.0:
   version "5.4.1"
   resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-5.4.1.tgz#b62f757f279445d265a18a58fb0a70dc90e91626"
   dependencies:
@@ -3604,6 +3780,16 @@ setprototypeof@1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.0.3.tgz#66567e37043eeb4f04d91bd658c0cbefb55b8e04"
 
+shebang-command@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/shebang-command/-/shebang-command-1.2.0.tgz#44aac65b695b03398968c39f363fee5deafdf1ea"
+  dependencies:
+    shebang-regex "^1.0.0"
+
+shebang-regex@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
+
 shelljs@^0.7.5:
   version "0.7.8"
   resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.7.8.tgz#decbcf874b0d1e5fb72e14b164a9683048e9acb3"
@@ -3686,6 +3872,10 @@ stack-utils@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/stack-utils/-/stack-utils-1.0.1.tgz#d4f33ab54e8e38778b0ca5cfd3b3afb12db68620"
 
+staged-git-files@0.0.4:
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/staged-git-files/-/staged-git-files-0.0.4.tgz#d797e1b551ca7a639dec0237dc6eb4bb9be17d35"
+
 standard-engine@~7.0.0:
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/standard-engine/-/standard-engine-7.0.0.tgz#ebb77b9c8fc2c8165ffa353bd91ba0dff41af690"
@@ -3713,6 +3903,10 @@ standard@^10.0.2:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.3.1.tgz#faf51b9eb74aaef3b3acf4ad5f61abf24cb7b93e"
 
+stream-to-observable@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/stream-to-observable/-/stream-to-observable-0.1.0.tgz#45bf1d9f2d7dc09bed81f1c307c430e68b84cffe"
+
 string-width@^1.0.1, string-width@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-1.0.2.tgz#118bdf5b8cdc51a2a7e70d211e07e2b0b9b107d3"
@@ -4037,7 +4231,7 @@ which-module@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"
 
-which@^1.2.8, which@^1.2.9:
+which@^1.2.10, which@^1.2.8, which@^1.2.9:
   version "1.2.14"
   resolved "https://registry.yarnpkg.com/which/-/which-1.2.14.tgz#9a87c4378f03e827cecaf1acdf56c736c01c14e5"
   dependencies: