separate server/client api creation and add sw-precache plugin

build/webpack.client.config.js

@@ -3,6 +3,11 @@ const base = require('./webpack.base.config')
 const vueConfig = require('./vue-loader.config')
 
 const config = Object.assign({}, base, {
+  resolve: {
+    alias: {
+      'create-api': './create-api-client.js'
+    }
+  },
   plugins: (base.plugins || []).concat([
     // strip comments in Vue code
     new webpack.DefinePlugin({
@@ -15,6 +20,7 @@ if (process.env.NODE_ENV === 'production') {
   // Use ExtractTextPlugin to extract CSS into a single file
   // so it's applied on initial render
   const ExtractTextPlugin = require('extract-text-webpack-plugin')
+  const SWPrecachePlugin = require('sw-precache-webpack-plugin')
 
   // vueConfig is already included in the config via LoaderOptionsPlugin
   // here we overwrite the loader config for <style lang="stylus">
@@ -37,6 +43,10 @@ if (process.env.NODE_ENV === 'production') {
       compress: {
         warnings: false
       }
+    }),
+    new SWPrecachePlugin({
+      cacheId: 'vue-hn',
+      filename: 'service-worker.js'
     })
   )
 }

build/webpack.server.config.js

@@ -9,6 +9,11 @@ module.exports = Object.assign({}, base, {
     filename: 'server-bundle.js',
     libraryTarget: 'commonjs2'
   }),
+  resolve: {
+    alias: {
+      'create-api': './create-api-server.js'
+    }
+  },
   externals: Object.keys(require('../package.json').dependencies),
   plugins: [
     new webpack.DefinePlugin({

package.json

@@ -22,6 +22,7 @@
     "lru-cache": "^4.0.1",
     "serialize-javascript": "^1.3.0",
     "serve-favicon": "^2.3.0",
+    "sw-precache-webpack-plugin": "^0.5.1",
     "vue": "^2.0.0",
     "vue-router": "^2.0.0",
     "vue-server-renderer": "^2.0.0",

src/client-entry.js

@@ -7,3 +7,8 @@ store.replaceState(window.__INITIAL_STATE__)
 
 // actually mount to DOM
 app.$mount('#app')
+
+// service worker
+if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
+  navigator.serviceWorker.register('/dist/service-worker.js')
+}

src/store/api.js

-import Firebase from 'firebase'
-import LRU from 'lru-cache'
+// this is aliased in webpack config based on server/client build
+import api from 'create-api'
 
-const inBrowser = typeof window !== 'undefined'
-
-// When using bundleRenderer, the server-side application code runs in a new
-// context for each request. To allow caching across multiple requests, we need
-// to attach the cache to the process which is shared across all requests.
-const cache = inBrowser
-  ? null
-  : (process.__API_CACHE__ || (process.__API_CACHE__ = createCache()))
-
-function createCache () {
-  return LRU({
-    max: 1000,
-    maxAge: 1000 * 60 * 15 // 15 min cache
-  })
-}
-
-// create a single api instance for all server-side requests
-const api = inBrowser
-  ? new Firebase('https://hacker-news.firebaseio.com/v0')
-  : (process.__API__ || (process.__API__ = createServerSideAPI()))
-
-function createServerSideAPI () {
-  const api = new Firebase('https://hacker-news.firebaseio.com/v0')
-
-  // cache the latest story ids
-  api.__ids__ = {}
-  ;['top', 'new', 'show', 'ask', 'job'].forEach(type => {
-    api.child(`${type}stories`).on('value', snapshot => {
-      api.__ids__[type] = snapshot.val()
-    })
-  })
-
-  // warm the front page cache every 15 min
+// warm the front page cache every 15 min
+if (api.cachedIds) {
   warmCache()
-  function warmCache () {
-    fetchItems((api.__ids__.top || []).slice(0, 30))
-    setTimeout(warmCache, 1000 * 60 * 15)
-  }
+}
 
-  return api
+function warmCache () {
+  fetchItems((api.cachedIds.top || []).slice(0, 30))
+  setTimeout(warmCache, 1000 * 60 * 15)
 }
 
 function fetch (child) {
+  const cache = api.cachedItems
   if (cache && cache.has(child)) {
     return Promise.resolve(cache.get(child))
   } else {
@@ -60,8 +29,8 @@ function fetch (child) {
 }
 
 export function fetchIdsByType (type) {
-  return api.__ids__ && api.__ids__[type]
-    ? Promise.resolve(api.__ids__[type])
+  return api.cachedIds && api.cachedIds[type]
+    ? Promise.resolve(api.cachedIds[type])
     : fetch(`${type}stories`)
 }
 

src/store/create-api-client.js

+import Firebase from 'firebase'
+
+export default new Firebase('https://hacker-news.firebaseio.com/v0')

src/store/create-api-server.js

+import Firebase from 'firebase'
+import LRU from 'lru-cache'
+
+let api
+
+if (process.__API__) {
+  api = process.__API__
+} else {
+  api = process.__API__ = new Firebase('https://hacker-news.firebaseio.com/v0')
+
+  // fetched item cache
+  api.cachedItems = LRU({
+    max: 1000,
+    maxAge: 1000 * 60 * 15 // 15 min cache
+  })
+
+  // cache the latest story ids
+  api.cachedIds = {}
+  ;['top', 'new', 'show', 'ask', 'job'].forEach(type => {
+    api.child(`${type}stories`).on('value', snapshot => {
+      api.cachedIds[type] = snapshot.val()
+    })
+  })
+}
+
+export default api

yarn.lock

@@ -84,10 +84,24 @@ arr-flatten@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/arr-flatten/-/arr-flatten-1.0.1.tgz#e5ffe54d45e19f32f216e91eb99c8ce892bb604b"
 
+array-find-index@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/array-find-index/-/array-find-index-1.0.2.tgz#df010aa1287e164bbda6f9723b0a96a1ec4187a1"
+
 array-flatten@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
 
+array-union@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/array-union/-/array-union-1.0.2.tgz#9a34410e4f4e3da23dea375be5be70f24778ec39"
+  dependencies:
+    array-uniq "^1.0.1"
+
+array-uniq@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/array-uniq/-/array-uniq-1.0.3.tgz#af6ac877a25cc7f74e058894753858dfdb24fdb6"
+
 array-unique@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/array-unique/-/array-unique-0.2.1.tgz#a1d97ccafcbc2625cc70fadceb36a50c58b01a53"
@@ -145,11 +159,11 @@ asynckit@^0.4.0:
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
 
 autoprefixer@^6.3.1, autoprefixer@^6.4.0:
-  version "6.5.2"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-6.5.2.tgz#37cc910c5e1139ad341a006d5f6d441a380b742b"
+  version "6.5.3"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-6.5.3.tgz#2d853af66d04449fcf50db3066279ab54c3e4b01"
   dependencies:
     browserslist "~1.4.0"
-    caniuse-db "^1.0.30000576"
+    caniuse-db "^1.0.30000578"
     normalize-range "^0.1.2"
     num2fraction "^1.2.2"
     postcss "^5.2.5"
@@ -866,17 +880,28 @@ bytes@2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-2.3.0.tgz#d5b680a165b6201739acb611542aabc2d8ceb070"
 
+camelcase-keys@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/camelcase-keys/-/camelcase-keys-2.1.0.tgz#308beeaffdf28119051efa1d932213c91b8f92e7"
+  dependencies:
+    camelcase "^2.0.0"
+    map-obj "^1.0.0"
+
 camelcase@^1.0.2:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-1.2.1.tgz#9bb5304d2e0b56698b2c758b08a3eaa9daa58a39"
 
+camelcase@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-2.1.1.tgz#7c1d16d679a1bbe59ca02cacecfb011e201f5a1f"
+
 camelcase@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-3.0.0.tgz#32fc4b9fcdaf845fcdf7e73bb97cac2261f0ab0a"
 
-caniuse-db@^1.0.30000539, caniuse-db@^1.0.30000576:
-  version "1.0.30000578"
-  resolved "https://registry.yarnpkg.com/caniuse-db/-/caniuse-db-1.0.30000578.tgz#fc4106bda3ca19df4bd9f35e491063f3d498ff31"
+caniuse-db@^1.0.30000539, caniuse-db@^1.0.30000578:
+  version "1.0.30000580"
+  resolved "https://registry.yarnpkg.com/caniuse-db/-/caniuse-db-1.0.30000580.tgz#04bf77139486b792ca42b4ab8ef0cbec00fe4640"
 
 caseless@~0.11.0:
   version "0.11.0"
@@ -961,8 +986,8 @@ code-point-at@^1.0.0:
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
 
 color-convert@^1.3.0:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.6.0.tgz#7592755faf53938a05b1ea8e5374cab77d6dd190"
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.7.0.tgz#473bcddfa54b76a77a3d435aceccfbf3d99cbbb0"
   dependencies:
     color-name "^1.1.1"
 
@@ -1051,8 +1076,8 @@ console-control-strings@^1.0.0, console-control-strings@~1.1.0:
   resolved "https://registry.yarnpkg.com/console-control-strings/-/console-control-strings-1.1.0.tgz#3d7cf4464db6446ea644bf4b39507f9851008e8e"
 
 consolidate@^0.14.0:
-  version "0.14.1"
-  resolved "https://registry.yarnpkg.com/consolidate/-/consolidate-0.14.1.tgz#506d529ef7e211624d2e4a5f337df8be136ef727"
+  version "0.14.4"
+  resolved "https://registry.yarnpkg.com/consolidate/-/consolidate-0.14.4.tgz#18c673789ece942223de30d43da80b1ba7905835"
   dependencies:
     bluebird "^3.1.1"
 
@@ -1227,6 +1252,12 @@ csso@~2.2.1:
     clap "^1.0.9"
     source-map "^0.5.3"
 
+currently-unhandled@^0.4.1:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/currently-unhandled/-/currently-unhandled-0.4.1.tgz#988df33feab191ef799a61369dd76c17adf957ea"
+  dependencies:
+    array-find-index "^1.0.1"
+
 dashdash@^1.12.0:
   version "1.14.0"
   resolved "https://registry.yarnpkg.com/dashdash/-/dashdash-1.14.0.tgz#29e486c5418bf0f356034a993d51686a33e84141"
@@ -1241,7 +1272,13 @@ de-indent@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/de-indent/-/de-indent-1.0.2.tgz#b2038e846dc33baa5796128d0804b455b8c1e21d"
 
-debug@*, debug@^2.1.1, debug@^2.2.0, debug@~2.2.0:
+debug@*, debug@^2.1.1, debug@^2.2.0:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.3.2.tgz#94cb466ef7d6d2c7e5245cdd6e4104f2d0d70d30"
+  dependencies:
+    ms "0.7.2"
+
+debug@~2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.2.0.tgz#f87057e995b1a1f6ae6a4960664137bc56f039da"
   dependencies:
@@ -1259,6 +1296,18 @@ defined@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
 
+del@^2.2.2:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/del/-/del-2.2.2.tgz#c12c981d067846c84bcaf862cff930d907ffd1a8"
+  dependencies:
+    globby "^5.0.0"
+    is-path-cwd "^1.0.0"
+    is-path-in-cwd "^1.0.0"
+    object-assign "^4.0.1"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+    rimraf "^2.2.8"
+
 delayed-stream@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
@@ -1296,6 +1345,12 @@ diffie-hellman@^5.0.0:
     miller-rabin "^4.0.0"
     randombytes "^2.0.0"
 
+dom-urls@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/dom-urls/-/dom-urls-1.1.0.tgz#001ddf81628cd1e706125c7176f53ccec55d918e"
+  dependencies:
+    urijs "^1.16.1"
+
 domain-browser@^1.1.1:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/domain-browser/-/domain-browser-1.1.7.tgz#867aa4b093faa05f1de08c06f4d7b21fdf8698bc"
@@ -1361,6 +1416,10 @@ es6-promise@^3.2.1:
   version "3.3.1"
   resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-3.3.1.tgz#a08cdde84ccdbf34d027a1451bc91d4bcd28a613"
 
+es6-promise@^4.0.5:
+  version "4.0.5"
+  resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.0.5.tgz#7882f30adde5b240ccfa7f7d78c548330951ae42"
+
 escape-html@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
@@ -1536,8 +1595,8 @@ forever-agent@~0.6.1:
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
 
 form-data@~2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.1.1.tgz#4adf0342e1a79afa1e84c8c320a9ffc82392a1f3"
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.1.2.tgz#89c3534008b97eada4cbb157d58f6f5df025eae4"
   dependencies:
     asynckit "^0.4.0"
     combined-stream "^1.0.5"
@@ -1611,6 +1670,10 @@ get-caller-file@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-1.0.2.tgz#f702e63127e7e231c160a80c1554acb70d5047e5"
 
+get-stdin@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
+
 getpass@^0.1.1:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.6.tgz#283ffd9fc1256840875311c1b60e8c40187110e6"
@@ -1630,7 +1693,7 @@ glob-parent@^2.0.0:
   dependencies:
     is-glob "^2.0.0"
 
-glob@^7.0.5:
+glob@^7.0.3, glob@^7.0.5, glob@^7.1.1:
   version "7.1.1"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.1.tgz#805211df04faaf1c63a3600306cdf5ade50b2ec8"
   dependencies:
@@ -1653,8 +1716,19 @@ glob@7.0.x:
     path-is-absolute "^1.0.0"
 
 globals@^9.0.0:
-  version "9.12.0"
-  resolved "https://registry.yarnpkg.com/globals/-/globals-9.12.0.tgz#992ce90828c3a55fa8f16fada177adb64664cf9d"
+  version "9.13.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-9.13.0.tgz#d97706b61600d8dbe94708c367d3fdcf48470b8f"
+
+globby@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/globby/-/globby-5.0.0.tgz#ebd84667ca0dbb330b99bcfc68eac2bc54370e0d"
+  dependencies:
+    array-union "^1.0.1"
+    arrify "^1.0.0"
+    glob "^7.0.3"
+    object-assign "^4.0.1"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
 
 graceful-fs@^4.1.2:
   version "4.1.10"
@@ -1778,6 +1852,12 @@ ieee754@^1.1.4:
   version "1.1.8"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.8.tgz#be33d40ac10ef1926701f6f08a2d86fbfd1ad3e4"
 
+indent-string@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/indent-string/-/indent-string-2.1.0.tgz#8e2d48348742121b4a8218b7a137e9a52049dc80"
+  dependencies:
+    repeating "^2.0.0"
+
 indexes-of@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/indexes-of/-/indexes-of-1.0.1.tgz#f30f716c8e2bd346c7b67d3df3915566a7c05607"
@@ -1898,6 +1978,22 @@ is-number@^2.0.2, is-number@^2.1.0:
   dependencies:
     kind-of "^3.0.2"
 
+is-path-cwd@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-path-cwd/-/is-path-cwd-1.0.0.tgz#d225ec23132e89edd38fda767472e62e65f1106d"
+
+is-path-in-cwd@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-path-in-cwd/-/is-path-in-cwd-1.0.0.tgz#6477582b8214d602346094567003be8a9eac04dc"
+  dependencies:
+    is-path-inside "^1.0.0"
+
+is-path-inside@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-path-inside/-/is-path-inside-1.0.0.tgz#fc06e5a1683fbda13de667aff717bbc10a48f37f"
+  dependencies:
+    path-is-inside "^1.0.1"
+
 is-plain-obj@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-plain-obj/-/is-plain-obj-1.1.0.tgz#71a50c8429dfca773c92a390a4a03b39fcd51d3e"
@@ -1932,6 +2028,10 @@ isarray@^1.0.0, isarray@~1.0.0, isarray@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
 
+isarray@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
+
 isexe@^1.1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/isexe/-/isexe-1.1.2.tgz#36f3e22e60750920f5e7241a476a8c6a42275ad0"
@@ -2099,6 +2199,10 @@ lodash._isiterateecall@^3.0.0:
   version "3.0.9"
   resolved "https://registry.yarnpkg.com/lodash._isiterateecall/-/lodash._isiterateecall-3.0.9.tgz#5203ad7ba425fae842460e696db9cf3e6aac057c"
 
+lodash._reinterpolate@~3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz#0ccf2d89166af03b3663c796538b75ac6e114d9d"
+
 lodash._root@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/lodash._root/-/lodash._root-3.0.1.tgz#fba1c4524c19ee9a5f8136b4609f017cf4ded692"
@@ -2127,6 +2231,10 @@ lodash.deburr@^3.0.0:
   dependencies:
     lodash._root "^3.0.0"
 
+lodash.defaults@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/lodash.defaults/-/lodash.defaults-4.2.0.tgz#d09178716ffea4dde9e5fb7b37f6f0802274580c"
+
 lodash.indexof@^4.0.5:
   version "4.0.5"
   resolved "https://registry.yarnpkg.com/lodash.indexof/-/lodash.indexof-4.0.5.tgz#53714adc2cddd6ed87638f893aa9b6c24e31ef3c"
@@ -2151,6 +2259,19 @@ lodash.restparam@^3.0.0:
   version "3.6.1"
   resolved "https://registry.yarnpkg.com/lodash.restparam/-/lodash.restparam-3.6.1.tgz#936a4e309ef330a7645ed4145986c85ae5b20805"
 
+lodash.template@^4.4.0:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/lodash.template/-/lodash.template-4.4.0.tgz#e73a0385c8355591746e020b99679c690e68fba0"
+  dependencies:
+    lodash._reinterpolate "~3.0.0"
+    lodash.templatesettings "^4.0.0"
+
+lodash.templatesettings@^4.0.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/lodash.templatesettings/-/lodash.templatesettings-4.1.0.tgz#2b4d4e95ba440d915ff08bc899e4553666713316"
+  dependencies:
+    lodash._reinterpolate "~3.0.0"
+
 lodash.words@^3.0.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/lodash.words/-/lodash.words-3.2.0.tgz#4e2a8649bc08745b17c695b1a3ce8fee596623b3"
@@ -2171,6 +2292,13 @@ loose-envify@^1.0.0:
   dependencies:
     js-tokens "^2.0.0"
 
+loud-rejection@^1.0.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/loud-rejection/-/loud-rejection-1.6.0.tgz#5b46f80147edee578870f086d04821cf998e551f"
+  dependencies:
+    currently-unhandled "^0.4.1"
+    signal-exit "^3.0.0"
+
 lru-cache@^3.2.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-3.2.0.tgz#71789b3b7f5399bec8565dda38aa30d2a097efee"
@@ -2188,6 +2316,10 @@ macaddress@^0.2.8:
   version "0.2.8"
   resolved "https://registry.yarnpkg.com/macaddress/-/macaddress-0.2.8.tgz#5904dc537c39ec6dbefeae902327135fa8511f12"
 
+map-obj@^1.0.0, map-obj@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/map-obj/-/map-obj-1.0.1.tgz#d933ceb9205d82bdcf4886f6742bdc2b4dea146d"
+
 math-expression-evaluator@^1.2.14:
   version "1.2.14"
   resolved "https://registry.yarnpkg.com/math-expression-evaluator/-/math-expression-evaluator-1.2.14.tgz#39511771ed9602405fba9affff17eb4d2a3843ab"
@@ -2205,6 +2337,21 @@ memory-fs@^0.3.0, memory-fs@~0.3.0:
     errno "^0.1.3"
     readable-stream "^2.0.1"
 
+meow@^3.7.0:
+  version "3.7.0"
+  resolved "https://registry.yarnpkg.com/meow/-/meow-3.7.0.tgz#72cb668b425228290abbfa856892587308a801fb"
+  dependencies:
+    camelcase-keys "^2.0.0"
+    decamelize "^1.1.2"
+    loud-rejection "^1.0.0"
+    map-obj "^1.0.1"
+    minimist "^1.1.3"
+    normalize-package-data "^2.3.4"
+    object-assign "^4.0.1"
+    read-pkg-up "^1.0.1"
+    redent "^1.0.0"
+    trim-newlines "^1.0.0"
+
 merge-descriptors@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
@@ -2238,7 +2385,11 @@ miller-rabin@^4.0.0:
     bn.js "^4.0.0"
     brorand "^1.0.1"
 
-"mime-db@>= 1.24.0 < 2", mime-db@~1.24.0:
+"mime-db@>= 1.24.0 < 2":
+  version "1.25.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.25.0.tgz#c18dbd7c73a5dbf6f44a024dc0d165a1e7b1c392"
+
+mime-db@~1.24.0:
   version "1.24.0"
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.24.0.tgz#e2d13f939f0016c6e4e9ad25a8652f126c467f0c"
 
@@ -2266,7 +2417,7 @@ minimatch@^3.0.0, minimatch@^3.0.2:
   dependencies:
     brace-expansion "^1.0.0"
 
-minimist@^1.2.0:
+minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
@@ -2284,6 +2435,10 @@ ms@0.7.1:
   version "0.7.1"
   resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.1.tgz#9cd13c03adbff25b65effde7ce864ee952017098"
 
+ms@0.7.2:
+  version "0.7.2"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.2.tgz#ae25cf2512b3885a1d95d7f037868d8431124765"
+
 nan@^2.3.0:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.4.0.tgz#fb3c59d45fe4effe215f0b890f8adf6eb32d2232"
@@ -2344,7 +2499,7 @@ nopt@~3.0.1, nopt@~3.0.6:
   dependencies:
     abbrev "1"
 
-normalize-package-data@^2.3.2:
+normalize-package-data@^2.3.2, normalize-package-data@^2.3.4:
   version "2.3.5"
   resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.3.5.tgz#8d924f142960e1777e7ffe170543631cc7cb02df"
   dependencies:
@@ -2362,8 +2517,8 @@ normalize-range@^0.1.2:
   resolved "https://registry.yarnpkg.com/normalize-range/-/normalize-range-0.1.2.tgz#2d10c06bdfd312ea9777695a4d28439456b75942"
 
 normalize-url@^1.4.0:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-1.7.0.tgz#d82452d98d38821cffddab4d77a5f8d20ce66db0"
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-1.8.0.tgz#a9550b079aa3523c85d78df24eef1959fce359ab"
   dependencies:
     object-assign "^4.0.1"
     prepend-http "^1.0.0"
@@ -2489,6 +2644,16 @@ path-is-absolute@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
 
+path-is-inside@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/path-is-inside/-/path-is-inside-1.0.2.tgz#365417dede44430d1c11af61027facf074bdfc53"
+
+path-to-regexp@^1.0.1:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-1.7.0.tgz#59fde0f435badacba103a84e9d3bc64e96b9937d"
+  dependencies:
+    isarray "0.0.1"
+
 path-to-regexp@0.1.7:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-0.1.7.tgz#df604178005f522f15eb4490e7247a1bfaa67f8c"
@@ -2557,8 +2722,8 @@ postcss-discard-comments@^2.0.4:
     postcss "^5.0.14"
 
 postcss-discard-duplicates@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/postcss-discard-duplicates/-/postcss-discard-duplicates-2.0.1.tgz#5fae3f1a71df3e19cffb37309d1a7dba56c4589c"
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-discard-duplicates/-/postcss-discard-duplicates-2.0.2.tgz#02be520e91571ffb10738766a981d5770989bb32"
   dependencies:
     postcss "^5.0.4"
 
@@ -2638,10 +2803,11 @@ postcss-minify-params@^1.0.4:
     uniqs "^2.0.0"
 
 postcss-minify-selectors@^2.0.4:
-  version "2.0.5"
-  resolved "https://registry.yarnpkg.com/postcss-minify-selectors/-/postcss-minify-selectors-2.0.5.tgz#4e1f966fb49c95266804016ba9a3c6645bb601e0"
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/postcss-minify-selectors/-/postcss-minify-selectors-2.0.6.tgz#044b1a85ee2f909fc9a1c540f6f74b0e7613f119"
   dependencies:
     alphanum-sort "^1.0.2"
+    has "^1.0.1"
     postcss "^5.0.14"
     postcss-selector-parser "^2.0.0"
 
@@ -2673,8 +2839,8 @@ postcss-modules-values@^1.1.0:
     postcss "^5.0.14"
 
 postcss-normalize-charset@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/postcss-normalize-charset/-/postcss-normalize-charset-1.1.0.tgz#2fbd30e12248c442981d31ea2484d46fd0628970"
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-charset/-/postcss-normalize-charset-1.1.1.tgz#ef9ee71212d7fe759c78ed162f61ed62b5cb93f1"
   dependencies:
     postcss "^5.0.5"
 
@@ -2716,8 +2882,8 @@ postcss-reduce-transforms@^1.0.3:
     postcss-value-parser "^3.0.1"
 
 postcss-selector-parser@^2.0.0:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-2.2.1.tgz#fdbf696103b12b0a64060e5610507f410491f7c8"
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-2.2.2.tgz#3d70f5adda130da51c7c0c2fc023f56b1374fe08"
   dependencies:
     flatten "^1.0.2"
     indexes-of "^1.0.1"
@@ -2768,6 +2934,12 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
+pretty-bytes@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/pretty-bytes/-/pretty-bytes-3.0.1.tgz#27d0008d778063a0b4811bb35c79f1bd5d5fbccf"
+  dependencies:
+    number-is-nan "^1.0.0"
+
 private@^0.1.6, private@~0.1.5:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/private/-/private-0.1.6.tgz#55c6a976d0f9bafb9924851350fe47b9b5fbb7c1"
@@ -2883,7 +3055,19 @@ read-pkg@^1.0.0:
     normalize-package-data "^2.3.2"
     path-type "^1.0.0"
 
-"readable-stream@^2.0.0 || ^1.1.13", readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@~2.1.4:
+"readable-stream@^2.0.0 || ^1.1.13", readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.2.1.tgz#c459a6687ad6195f936b959870776edef27a7655"
+  dependencies:
+    buffer-shims "^1.0.0"
+    core-util-is "~1.0.0"
+    inherits "~2.0.1"
+    isarray "~1.0.0"
+    process-nextick-args "~1.0.6"
+    string_decoder "~0.10.x"
+    util-deprecate "~1.0.1"
+
+readable-stream@~2.1.4:
   version "2.1.5"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.1.5.tgz#66fa8b720e1438b364681f2ad1a63c618448c9d0"
   dependencies:
@@ -2904,6 +3088,13 @@ readdirp@^2.0.0:
     readable-stream "^2.0.2"
     set-immediate-shim "^1.0.1"
 
+redent@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/redent/-/redent-1.0.0.tgz#cf916ab1fd5f1f16dfb20822dd6ec7f730c2afde"
+  dependencies:
+    indent-string "^2.1.0"
+    strip-indent "^1.0.1"
+
 reduce-css-calc@^1.2.6:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/reduce-css-calc/-/reduce-css-calc-1.3.0.tgz#747c914e049614a4c9cfbba629871ad1d2927716"
@@ -2919,8 +3110,8 @@ reduce-function-call@^1.0.1:
     balanced-match "~0.1.0"
 
 regenerate@^1.2.1:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.3.1.tgz#0300203a5d2fdcf89116dce84275d011f5903f33"
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.3.2.tgz#d1941c67bad437e1be76433add5b385f95b19260"
 
 regenerator-runtime@^0.9.5:
   version "0.9.6"
@@ -3012,7 +3203,7 @@ right-align@^0.1.1:
   dependencies:
     align-text "^0.1.1"
 
-rimraf@~2.5.1, rimraf@~2.5.4, rimraf@2:
+rimraf@^2.2.8, rimraf@~2.5.1, rimraf@~2.5.4, rimraf@2:
   version "2.5.4"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.5.4.tgz#96800093cbf1a0c86bd95b4625467535c29dfa04"
   dependencies:
@@ -3074,6 +3265,10 @@ serve-static@~1.11.1:
     parseurl "~1.3.1"
     send "0.14.1"
 
+serviceworker-cache-polyfill@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/serviceworker-cache-polyfill/-/serviceworker-cache-polyfill-4.0.0.tgz#de19ee73bef21ab3c0740a37b33db62464babdeb"
+
 set-blocking@^2.0.0, set-blocking@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
@@ -3087,8 +3282,8 @@ setprototypeof@1.0.1:
   resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.0.1.tgz#52009b27888c4dc48f591949c0a8275834c1ca7e"
 
 sha.js@^2.3.6:
-  version "2.4.5"
-  resolved "https://registry.yarnpkg.com/sha.js/-/sha.js-2.4.5.tgz#27d171efcc82a118b99639ff581660242b506e7c"
+  version "2.4.8"
+  resolved "https://registry.yarnpkg.com/sha.js/-/sha.js-2.4.8.tgz#37068c2c476b6baf402d14a49c67f597921f634f"
   dependencies:
     inherits "^2.0.1"
 
@@ -3170,8 +3365,8 @@ sshpk@^1.7.0:
     tweetnacl "~0.14.0"
 
 "statuses@>= 1.3.0 < 2", statuses@~1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.3.0.tgz#8e55758cb20e7682c1f4fce8dcab30bf01d1e07a"
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.3.1.tgz#faf51b9eb74aaef3b3acf4ad5f61abf24cb7b93e"
 
 stream-browserify@^2.0.1:
   version "2.0.1"
@@ -3212,6 +3407,12 @@ strip-bom@^2.0.0:
   dependencies:
     is-utf8 "^0.2.0"
 
+strip-indent@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/strip-indent/-/strip-indent-1.0.1.tgz#0c7962a6adefa7bbd4ac366460a638552ae1a0a2"
+  dependencies:
+    get-stdin "^4.0.1"
+
 strip-json-comments@~1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-1.0.4.tgz#1e15fbcac97d3ee99bf2d73b4c656b082bbafb91"
@@ -3256,6 +3457,34 @@ svgo@^0.7.0:
     sax "~1.2.1"
     whet.extend "~0.9.9"
 
+sw-precache-webpack-plugin:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/sw-precache-webpack-plugin/-/sw-precache-webpack-plugin-0.5.1.tgz#380320dcdf9c189b51b41a676382301b8669734f"
+  dependencies:
+    del "^2.2.2"
+    sw-precache "^4.1.0"
+
+sw-precache@^4.1.0:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/sw-precache/-/sw-precache-4.2.1.tgz#7ce7b98a45ec75056ef279c8c38908d4e332a094"
+  dependencies:
+    dom-urls "^1.1.0"
+    es6-promise "^4.0.5"
+    glob "^7.1.1"
+    lodash.defaults "^4.2.0"
+    lodash.template "^4.4.0"
+    meow "^3.7.0"
+    mkdirp "^0.5.1"
+    pretty-bytes "^3.0.1"
+    sw-toolbox "^3.4.0"
+
+sw-toolbox@^3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/sw-toolbox/-/sw-toolbox-3.4.0.tgz#a16efecf4a79ed32191cf1923525f2ee89bc76dc"
+  dependencies:
+    path-to-regexp "^1.0.1"
+    serviceworker-cache-polyfill "^4.0.0"
+
 tapable@^0.2.3, tapable@~0.2.3:
   version "0.2.4"
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-0.2.4.tgz#a7814605089d4ba896c33c7e3566e13dcd194aa5"
@@ -3297,6 +3526,10 @@ tough-cookie@~2.3.0:
   dependencies:
     punycode "^1.4.1"
 
+trim-newlines@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/trim-newlines/-/trim-newlines-1.0.0.tgz#5887966bb582a4503a41eb524f7d35011815a613"
+
 tty-browserify@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.0.tgz#a157ba402da24e9bf957f9aa69d524eed42901a6"
@@ -3351,6 +3584,10 @@ unpipe@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
 
+urijs@^1.16.1:
+  version "1.18.2"
+  resolved "https://registry.yarnpkg.com/urijs/-/urijs-1.18.2.tgz#c2791fa9fb52f4603caf36032d9666432a1dda33"
+
 url-loader@^0.5.7:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/url-loader/-/url-loader-0.5.7.tgz#67e8779759f8000da74994906680c943a9b0925d"
@@ -3411,8 +3648,8 @@ vue-hot-reload-api@^2.0.1:
   resolved "https://registry.yarnpkg.com/vue-hot-reload-api/-/vue-hot-reload-api-2.0.6.tgz#817d4bfb30f55428aa1012d029499e07f3147d21"
 
 vue-loader@^9.7.0:
-  version "9.8.1"
-  resolved "https://registry.yarnpkg.com/vue-loader/-/vue-loader-9.8.1.tgz#40dde1cb7fdb2d8e4718df6acfa7f679bf30fcb9"
+  version "9.9.0"
+  resolved "https://registry.yarnpkg.com/vue-loader/-/vue-loader-9.9.0.tgz#cf4d9fddd5ef22e0d1642153f4722fb310001c80"
   dependencies:
     consolidate "^0.14.0"
     hash-sum "^1.0.2"
@@ -3425,8 +3662,8 @@ vue-loader@^9.7.0:
     source-map "^0.5.6"
     vue-hot-reload-api "^2.0.1"
     vue-style-loader "^1.0.0"
-    vue-template-compiler "^2.0.4"
-    vue-template-es2015-compiler "^1.0.0"
+    vue-template-compiler "^2.0.5"
+    vue-template-es2015-compiler "^1.2.2"
 
 vue-router@^2.0.0:
   version "2.0.1"
@@ -3445,16 +3682,16 @@ vue-style-loader@^1.0.0:
   dependencies:
     loader-utils "^0.2.7"
 
-vue-template-compiler@^2.0.4:
+vue-template-compiler@^2.0.5:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/vue-template-compiler/-/vue-template-compiler-2.0.5.tgz#6a8c454e7d4ed03cc295ae9733a432e31df25ea3"
   dependencies:
     de-indent "^1.0.2"
     he "^1.1.0"
 
-vue-template-es2015-compiler@^1.0.0:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/vue-template-es2015-compiler/-/vue-template-es2015-compiler-1.1.1.tgz#ae1ddcf9f6c7eb95df304560ba9a803f3ec9ffb4"
+vue-template-es2015-compiler@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/vue-template-es2015-compiler/-/vue-template-es2015-compiler-1.2.2.tgz#41aad1cb385cce2b84089fd55c4ffb39db670fb1"
 
 vue@^2.0.0:
   version "2.0.5"
@@ -3486,8 +3723,8 @@ webpack-dev-middleware@^1.6.1:
     range-parser "^1.0.3"
 
 webpack-hot-middleware@^2.12.2:
-  version "2.13.1"
-  resolved "https://registry.yarnpkg.com/webpack-hot-middleware/-/webpack-hot-middleware-2.13.1.tgz#104350e044be58ba3b7ef1c39513d69562841975"
+  version "2.13.2"
+  resolved "https://registry.yarnpkg.com/webpack-hot-middleware/-/webpack-hot-middleware-2.13.2.tgz#6500b15e6d4f1a9590f8df708183f4d2ac2c3e9e"
   dependencies:
     ansi-html "0.0.6"
     html-entities "^1.2.0"
@@ -3495,8 +3732,8 @@ webpack-hot-middleware@^2.12.2:
     strip-ansi "^3.0.0"
 
 webpack-sources@^0.1.0:
-  version "0.1.2"
-  resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-0.1.2.tgz#057a3f3255f8ba561b901d9150589aa103a57e65"
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-0.1.3.tgz#15ce2fb79d0a1da727444ba7c757bf164294f310"
   dependencies:
     source-list-map "~0.1.0"
     source-map "~0.5.3"
@@ -3548,8 +3785,8 @@ which-module@^1.0.0:
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"
 
 which@^1.2.9:
-  version "1.2.11"
-  resolved "https://registry.yarnpkg.com/which/-/which-1.2.11.tgz#c8b2eeea6b8c1659fa7c1dd4fdaabe9533dc5e8b"
+  version "1.2.12"
+  resolved "https://registry.yarnpkg.com/which/-/which-1.2.12.tgz#de67b5e450269f194909ef23ece4ebe416fa1192"
   dependencies:
     isexe "^1.1.1"