add Rendering Benchmark Suite

2024-11-23 19:28:26 +03:00 · 2019-06-29 10:47:46 -04:00 · 2019-06-29 10:47:46 -04:00 · cdc4f7063f
commit cdc4f7063f
parent e288034c1d
9 changed files with 740 additions and 1 deletions
--- a/.gitignore
+++ b/.gitignore
@ -19,4 +19,6 @@ examples/temporary/

 sauce.env

-__pycache__
+__pycache__
+node_modules
+benchmarks/tmp
--- a/benchmarks/README.md
+++ b/benchmarks/README.md
@ -0,0 +1,15 @@
+# Render Benchmark
+
+A CLI for capturing rendering performance.
+
+```bash
+# cd to this directory
+yarn install
+yarn bench
+```
+
+We're interested in overall rendering performance.  Right now that means measuring:
+
+1. Speed for first paint.
+2. FPS for extended animations.
+
--- a/benchmarks/elm.json
+++ b/benchmarks/elm.json
@ -0,0 +1,25 @@
+{
+    "type": "application",
+    "source-directories": [
+        "src",
+        "../src"
+    ],
+    "elm-version": "0.19.0",
+    "dependencies": {
+        "direct": {
+            "elm/browser": "1.0.1",
+            "elm/core": "1.0.2",
+            "elm/html": "1.0.0",
+            "elm/json": "1.1.3",
+            "elm/time": "1.0.0"
+        },
+        "indirect": {
+            "elm/url": "1.0.0",
+            "elm/virtual-dom": "1.0.2"
+        }
+    },
+    "test-dependencies": {
+        "direct": {},
+        "indirect": {}
+    }
+}
--- a/benchmarks/package.json
+++ b/benchmarks/package.json
@ -0,0 +1,24 @@
+{
+  "name": "render-benchmark",
+  "version": "1.0.0",
+  "description": "A CLI for capturing rendering performance",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "bench": "node runtime/index.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/mdgriffith/render-benchmark.git"
+  },
+  "author": "Matthew Griffith <mdg.griffith@gmail.com> (http://mechanical-elephant.com/)",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/mdgriffith/render-benchmark/issues"
+  },
+  "homepage": "https://github.com/mdgriffith/render-benchmark#readme",
+  "dependencies": {
+    "node-elm-compiler": "^5.0.3",
+    "puppeteer": "^1.18.0"
+  }
+}
--- a/benchmarks/runtime/benchPage.js
+++ b/benchmarks/runtime/benchPage.js
@ -0,0 +1,94 @@
+const path = require('path');
+
+async function benchPage(page) {
+    const client = await page.target().createCDPSession();
+    await client.send('Performance.enable');
+    // await page.tracing.start({ path: 'trace.json' });
+    await page.goto(`file:${path.join(__dirname, '/../tmp/index.html')}`)
+
+    await page.waitFor(1000);
+    // await page.tracing.stop();
+    const metrics = await client.send('Performance.getMetrics');
+    await page.evaluate(() => { window.elmStartAnim() })
+    await sleep(10000)
+    await page.evaluate(() => { window.elmStopAnim() })
+    const frames = await page.evaluate(x => {
+        return Promise.resolve(window.metrics);
+    }, {});
+
+    return {
+        name: frames.name,
+        perf: extract(metrics),
+        frames: summarize(frames.frames),
+    }
+}
+
+function summarize(frames) {
+    return {
+        count: frames.length,
+        median: median(frames),
+        mode: mode(frames),
+        avg: average(frames),
+        fps: 1000 / average(frames)
+    }
+}
+
+function extract(metrics) {
+    var ext = {}
+    metrics.metrics.forEach((item) => {
+        ext[item.name] = item.value
+
+    })
+    ext.TimeToFirstPaintMS = 1000 * (ext.FirstMeaningfulPaint - ext.DomContentLoaded)
+    return ext
+}
+
+function mode(array) {
+    if (array.length == 0)
+        return null;
+    var modeMap = {};
+    var maxEl = array[0], maxCount = 1;
+    for (var i = 0; i < array.length; i++) {
+        var el = array[i];
+        if (modeMap[el] == null)
+            modeMap[el] = 1;
+        else
+            modeMap[el]++;
+        if (modeMap[el] > maxCount) {
+            maxEl = el;
+            maxCount = modeMap[el];
+        }
+    }
+    return maxEl;
+}
+
+function average(values) {
+    var total = 0;
+    for (var i = 0; i < values.length; i++) {
+        total += values[i];
+    }
+    return total / values.length;
+}
+
+function median(values) {
+    if (values.length === 0) return 0;
+
+    values.sort(function (a, b) {
+        return a - b;
+    });
+
+    var half = Math.floor(values.length / 2);
+
+    if (values.length % 2)
+        return values[half];
+
+    return (values[half - 1] + values[half]) / 2.0;
+}
+
+
+function sleep(ms) {
+    return new Promise(resolve => {
+        setTimeout(resolve, ms)
+    })
+}
+module.exports = benchPage;
--- a/benchmarks/runtime/index.js
+++ b/benchmarks/runtime/index.js
@ -0,0 +1,42 @@
+const puppeteer = require('puppeteer');
+const benchPage = require('./benchPage');
+var compileToString = require("node-elm-compiler").compileToString;
+const fs = require('fs');
+
+
+function write_entrypoint(item) {
+
+    const entrypoint = `module Main exposing (main)
+import ${item.module}
+import Render
+
+main = Render.toProgram ${item.module}.${item.value}
+`
+    fs.writeFileSync('./tmp/Main.elm', entrypoint);
+}
+
+(async () => {
+    const browser = await puppeteer.launch();
+    var instances = [{ module: "Bench", value: "bench" }]
+    var dir = "tmp"
+    if (!fs.existsSync(dir)) {
+        fs.mkdirSync(dir);
+    }
+
+    for (var i = 0; i < instances.length; i++) {
+        var item = instances[i]
+        write_entrypoint(item)
+        var template = fs.readFileSync("./runtime/template/index.html")
+        // we embed the compiled js to avoid having to start a server to read the app.
+        await compileToString(["./tmp/Main.elm"], {}).then(function (compiled_elm_code) {
+            const compiled = eval(`\`${template}\``)
+            fs.writeFileSync("./tmp/index.html", compiled)
+        });
+
+        const page = await browser.newPage();
+        const results = await benchPage(page);
+        await page.close()
+        console.log(results)
+    }
+    await browser.close();
+})();
--- a/benchmarks/src/Bench.elm
+++ b/benchmarks/src/Bench.elm
@ -0,0 +1,31 @@
+module Bench exposing (bench)
+
+{-| -}
+
+import Html
+import Render
+
+
+type Msg
+    = Refresh
+    | Tick Float
+
+
+bench : Render.Benchmark Int Msg
+bench =
+    { name = "Baseline"
+    , init = 0
+    , view =
+        \i ->
+            Html.text (String.fromInt i)
+    , update =
+        \msg model ->
+            case msg of
+                Refresh ->
+                    model + 1
+
+                Tick i ->
+                    model + 1
+    , tick = Tick
+    , refresh = Refresh
+    }
--- a/benchmarks/src/Render.elm
+++ b/benchmarks/src/Render.elm
@ -0,0 +1,135 @@
+port module Render exposing (Benchmark, toProgram)
+
+{-| -}
+
+import Browser
+import Browser.Events
+import Html exposing (Html)
+import Json.Decode as Decode
+import Json.Encode as Encode
+import Time
+
+
+type alias Benchmark model msg =
+    { name : String
+    , init : model
+    , view : model -> Html Msg
+    , update : msg -> model -> model
+    , tick : Float -> msg
+    , refresh : msg
+    }
+
+
+type alias Model model =
+    { model : model
+    , animating : Bool
+    , frames : List Float
+    }
+
+
+type Msg
+    = Tick Float
+    | Refresh
+    | Received Encode.Value
+    | StartAnim
+    | StopAnim
+
+
+toProgram : Benchmark model msg -> Program () (Model model) Msg
+toProgram render =
+    Browser.document
+        { init =
+            \() ->
+                ( { model = render.init
+                  , animating = False
+                  , frames = []
+                  }
+                , Cmd.none
+                )
+        , view =
+            \model ->
+                { title = render.name
+                , body = [ render.view model.model ]
+                }
+        , update =
+            update render
+        , subscriptions =
+            \model ->
+                Sub.batch
+                    [ worldToElm Received
+                    , if model.animating then
+                        Browser.Events.onAnimationFrameDelta Tick
+
+                      else
+                        Sub.none
+                    ]
+        }
+
+
+update : Benchmark model msg -> Msg -> Model model -> ( Model model, Cmd Msg )
+update render msg model =
+    case msg of
+        StartAnim ->
+            ( { model | animating = True }
+            , Cmd.none
+            )
+
+        StopAnim ->
+            ( { model | animating = False }
+            , elmToWorld (encodeMetrics render.name model.frames)
+            )
+
+        Refresh ->
+            ( { model | model = render.update render.refresh model.model }
+            , Cmd.none
+            )
+
+        Tick time ->
+            ( { model
+                | model = render.update (render.tick time) model.model
+                , frames = time :: model.frames
+              }
+            , Cmd.none
+            )
+
+        Received json ->
+            case Decode.decodeValue outsideMsg json of
+                Err err ->
+                    ( model, Cmd.none )
+
+                Ok newMsg ->
+                    update render newMsg model
+
+
+outsideMsg =
+    Decode.field "tag" Decode.string
+        |> Decode.andThen
+            (\tag ->
+                case tag of
+                    "Refresh" ->
+                        Decode.succeed Refresh
+
+                    "StartAnim" ->
+                        Decode.succeed StartAnim
+
+                    "StopAnim" ->
+                        Decode.succeed StopAnim
+
+                    _ ->
+                        Decode.fail "Unknown incoming msg"
+            )
+
+
+encodeMetrics name frames =
+    Encode.object
+        [ ( "name", Encode.string name )
+        , ( "frames"
+          , Encode.list Encode.float frames
+          )
+        ]
+
+
+port worldToElm : (Encode.Value -> msg) -> Sub msg
+
+
+port elmToWorld : Encode.Value -> Cmd msg
--- a/benchmarks/yarn.lock
+++ b/benchmarks/yarn.lock
@ -0,0 +1,371 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+agent-base@^4.1.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-4.3.0.tgz#8165f01c436009bccad0b1d122f05ed770efc6ee"
+  integrity sha512-salcGninV0nPrwpGNn4VTXBb1SOuXQBiqbrNXoeizJsHrsL6ERFM2Ne3JUSBWRE6aeNJI2ROP/WEEIDUiDe3cg==
+  dependencies:
+    es6-promisify "^5.0.0"
+
+async-limiter@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.0.tgz#78faed8c3d074ab81f22b4e985d79e8738f720f8"
+  integrity sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==
+
+balanced-match@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+  integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
+
+brace-expansion@^1.1.7:
+  version "1.1.11"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+  integrity sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
+buffer-from@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
+  integrity sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==
+
+concat-map@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+  integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
+
+concat-stream@1.6.2:
+  version "1.6.2"
+  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.2.tgz#904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34"
+  integrity sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==
+  dependencies:
+    buffer-from "^1.0.0"
+    inherits "^2.0.3"
+    readable-stream "^2.2.2"
+    typedarray "^0.0.6"
+
+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"
+  integrity sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=
+
+cross-spawn@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-4.0.0.tgz#8254774ab4786b8c5b3cf4dfba66ce563932c252"
+  integrity sha1-glR3SrR4a4xbPPTfumbOVjkywlI=
+  dependencies:
+    lru-cache "^4.0.1"
+    which "^1.2.9"
+
+debug@2.6.9:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
+  integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==
+  dependencies:
+    ms "2.0.0"
+
+debug@^3.1.0:
+  version "3.2.6"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
+  integrity sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==
+  dependencies:
+    ms "^2.1.1"
+
+debug@^4.1.0:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.1.1.tgz#3b72260255109c6b589cee050f1d516139664791"
+  integrity sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==
+  dependencies:
+    ms "^2.1.1"
+
+es6-promise@^4.0.3:
+  version "4.2.8"
+  resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.2.8.tgz#4eb21594c972bc40553d276e510539143db53e0a"
+  integrity sha512-HJDGx5daxeIvxdBxvG2cb9g4tEvwIk3i8+nhX0yGrYmZUzbkdg8QbDevheDB8gd0//uPj4c1EQua8Q+MViT0/w==
+
+es6-promisify@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/es6-promisify/-/es6-promisify-5.0.0.tgz#5109d62f3e56ea967c4b63505aef08291c8a5203"
+  integrity sha1-UQnWLz5W6pZ8S2NQWu8IKRyKUgM=
+  dependencies:
+    es6-promise "^4.0.3"
+
+extract-zip@^1.6.6:
+  version "1.6.7"
+  resolved "https://registry.yarnpkg.com/extract-zip/-/extract-zip-1.6.7.tgz#a840b4b8af6403264c8db57f4f1a74333ef81fe9"
+  integrity sha1-qEC0uK9kAyZMjbV/Txp0Mz74H+k=
+  dependencies:
+    concat-stream "1.6.2"
+    debug "2.6.9"
+    mkdirp "0.5.1"
+    yauzl "2.4.1"
+
+fd-slicer@~1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/fd-slicer/-/fd-slicer-1.0.1.tgz#8b5bcbd9ec327c5041bf9ab023fd6750f1177e65"
+  integrity sha1-i1vL2ewyfFBBv5qwI/1nUPEXfmU=
+  dependencies:
+    pend "~1.2.0"
+
+find-elm-dependencies@2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/find-elm-dependencies/-/find-elm-dependencies-2.0.1.tgz#802e4e58379ad7ee7f30e048f8695ab732cf8132"
+  integrity sha512-KBxPjc7J1CLw90jVateMKvMYMROZRTR7/QT2I3MxT+7I6KuUQUMNUFuS/eQXQnMnyElGKQ1iyPbe7GnEuYnFXw==
+  dependencies:
+    firstline "1.2.0"
+    lodash "4.17.11"
+
+firstline@1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/firstline/-/firstline-1.2.0.tgz#c9f4886e7f7fbf0afc12d71941dce06b192aea05"
+  integrity sha1-yfSIbn9/vwr8EtcZQdzgaxkq6gU=
+
+fs.realpath@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+  integrity sha1-FQStJSMVjKpA20onh8sBQRmU6k8=
+
+glob@^7.1.3:
+  version "7.1.4"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.4.tgz#aa608a2f6c577ad357e1ae5a5c26d9a8d1969255"
+  integrity sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+https-proxy-agent@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-2.2.1.tgz#51552970fa04d723e04c56d04178c3f92592bbc0"
+  integrity sha512-HPCTS1LW51bcyMYbxUIOO4HEOlQ1/1qRaFWcyxvwaqUS9TY88aoEuHUY33kuAh1YhVVaDQhLZsnPd+XNARWZlQ==
+  dependencies:
+    agent-base "^4.1.0"
+    debug "^3.1.0"
+
+inflight@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  integrity sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=
+  dependencies:
+    once "^1.3.0"
+    wrappy "1"
+
+inherits@2, inherits@^2.0.3, inherits@~2.0.3:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
+
+isarray@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
+  integrity sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=
+
+isexe@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/isexe/-/isexe-2.0.0.tgz#e8fbf374dc556ff8947a10dcb0572d633f2cfa10"
+  integrity sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=
+
+lodash@4.17.11:
+  version "4.17.11"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
+  integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
+
+lru-cache@^4.0.1:
+  version "4.1.5"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.1.5.tgz#8bbe50ea85bed59bc9e33dcab8235ee9bcf443cd"
+  integrity sha512-sWZlbEP2OsHNkXrMl5GYk/jKk70MBng6UU4YI/qGDYbgf6YbP4EvmqISbXCoJiRKs+1bSpFHVgQxvJ17F2li5g==
+  dependencies:
+    pseudomap "^1.0.2"
+    yallist "^2.1.2"
+
+mime@^2.0.3:
+  version "2.4.4"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-2.4.4.tgz#bd7b91135fc6b01cde3e9bae33d659b63d8857e5"
+  integrity sha512-LRxmNwziLPT828z+4YkNzloCFC2YM4wrB99k+AV5ZbEyfGNWfG8SO1FUXLmLDBSo89NrJZ4DIWeLjy1CHGhMGA==
+
+minimatch@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+  integrity sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==
+  dependencies:
+    brace-expansion "^1.1.7"
+
+minimist@0.0.8:
+  version "0.0.8"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+  integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
+
+mkdirp@0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  integrity sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=
+  dependencies:
+    minimist "0.0.8"
+
+ms@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
+  integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
+
+ms@^2.1.1:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
+  integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
+
+node-elm-compiler@^5.0.3:
+  version "5.0.3"
+  resolved "https://registry.yarnpkg.com/node-elm-compiler/-/node-elm-compiler-5.0.3.tgz#69ffe02c0db4948c4ad9a4f91f8e45b0840c7943"
+  integrity sha512-I3CWm/ExYYQ/a9bjB0OL9VsGa3Lmgbb8QOs4y2kEiB/DTkTqkcTaCr/lVyOYjRpgR25TsmOBATscsg6H6aC9Hg==
+  dependencies:
+    cross-spawn "4.0.0"
+    find-elm-dependencies "2.0.1"
+    lodash "4.17.11"
+    temp "^0.8.3"
+
+once@^1.3.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  integrity sha1-WDsap3WWHUsROsF9nFC6753Xa9E=
+  dependencies:
+    wrappy "1"
+
+os-tmpdir@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
+  integrity sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=
+
+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"
+  integrity sha1-F0uSaHNVNP+8es5r9TpanhtcX18=
+
+pend@~1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/pend/-/pend-1.2.0.tgz#7a57eb550a6783f9115331fcf4663d5c8e007a50"
+  integrity sha1-elfrVQpng/kRUzH89GY9XI4AelA=
+
+process-nextick-args@~2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.1.tgz#7820d9b16120cc55ca9ae7792680ae7dba6d7fe2"
+  integrity sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==
+
+progress@^2.0.1:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/progress/-/progress-2.0.3.tgz#7e8cf8d8f5b8f239c1bc68beb4eb78567d572ef8"
+  integrity sha512-7PiHtLll5LdnKIMw100I+8xJXR5gW2QwWYkT6iJva0bXitZKa/XMrSbdmg3r2Xnaidz9Qumd0VPaMrZlF9V9sA==
+
+proxy-from-env@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/proxy-from-env/-/proxy-from-env-1.0.0.tgz#33c50398f70ea7eb96d21f7b817630a55791c7ee"
+  integrity sha1-M8UDmPcOp+uW0h97gXYwpVeRx+4=
+
+pseudomap@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"
+  integrity sha1-8FKijacOYYkX7wqKw0wa5aaChrM=
+
+puppeteer@^1.18.0:
+  version "1.18.1"
+  resolved "https://registry.yarnpkg.com/puppeteer/-/puppeteer-1.18.1.tgz#4a66f3bdab01115ededf70443ec904c99917a815"
+  integrity sha512-luUy0HPSuWPsPZ1wAp6NinE0zgetWtudf5zwZ6dHjMWfYpTQcmKveFRox7VBNhQ98OjNA9PQ9PzQyX8k/KrxTg==
+  dependencies:
+    debug "^4.1.0"
+    extract-zip "^1.6.6"
+    https-proxy-agent "^2.2.1"
+    mime "^2.0.3"
+    progress "^2.0.1"
+    proxy-from-env "^1.0.0"
+    rimraf "^2.6.1"
+    ws "^6.1.0"
+
+readable-stream@^2.2.2:
+  version "2.3.6"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
+  integrity sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.3"
+    isarray "~1.0.0"
+    process-nextick-args "~2.0.0"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.1.1"
+    util-deprecate "~1.0.1"
+
+rimraf@^2.6.1:
+  version "2.6.3"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.3.tgz#b2d104fe0d8fb27cf9e0a1cda8262dd3833c6cab"
+  integrity sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==
+  dependencies:
+    glob "^7.1.3"
+
+rimraf@~2.2.6:
+  version "2.2.8"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.2.8.tgz#e439be2aaee327321952730f99a8929e4fc50582"
+  integrity sha1-5Dm+Kq7jJzIZUnMPmaiSnk/FBYI=
+
+safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
+  integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
+
+string_decoder@~1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
+  integrity sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==
+  dependencies:
+    safe-buffer "~5.1.0"
+
+temp@^0.8.3:
+  version "0.8.3"
+  resolved "https://registry.yarnpkg.com/temp/-/temp-0.8.3.tgz#e0c6bc4d26b903124410e4fed81103014dfc1f59"
+  integrity sha1-4Ma8TSa5AxJEEOT+2BEDAU38H1k=
+  dependencies:
+    os-tmpdir "^1.0.0"
+    rimraf "~2.2.6"
+
+typedarray@^0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
+  integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
+
+util-deprecate@~1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
+  integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
+
+which@^1.2.9:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/which/-/which-1.3.1.tgz#a45043d54f5805316da8d62f9f50918d3da70b0a"
+  integrity sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==
+  dependencies:
+    isexe "^2.0.0"
+
+wrappy@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+  integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
+
+ws@^6.1.0:
+  version "6.2.1"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-6.2.1.tgz#442fdf0a47ed64f59b6a5d8ff130f4748ed524fb"
+  integrity sha512-GIyAXC2cB7LjvpgMt9EKS2ldqr0MTrORaleiOno6TweZ6r3TKtoFQWay/2PceJ3RuBasOHzXNn5Lrw1X0bEjqA==
+  dependencies:
+    async-limiter "~1.0.0"
+
+yallist@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"
+  integrity sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=
+
+yauzl@2.4.1:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/yauzl/-/yauzl-2.4.1.tgz#9528f442dab1b2284e58b4379bb194e22e0c4005"
+  integrity sha1-lSj0QtqxsihOWLQ3m7GU4i4MQAU=
+  dependencies:
+    fd-slicer "~1.0.1"