perf(statusTile): faster array creation and lodash lazy loading

Remove need for ES6 array polyfills and only import lodash once required

re prettier#330

.all-contributorsrc

@@ -246,6 +246,16 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "haroldtreen",
+      "name": "Harold Treen",
+      "avatar_url": "https://avatars2.githubusercontent.com/u/1745854?v=4",
+      "profile": "https://haroldtreen.com",
+      "contributions": [
+        "bug",
+        "code"
+      ]
     }
   ]
 }

README.md

@@ -61,11 +61,12 @@ This repository was created by [James Long][james-long] to go along with his Pre
 Thanks goes to these people ([emoji key][emojis]):
 
 <!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
+<!-- prettier-ignore -->
 | [<img src="https://avatars.githubusercontent.com/u/17031?v=3" width="100px;"/><br /><sub><b>James Long</b></sub>](http://jlongster.com)<br />[💬](#question-jlongster "Answering Questions") [💻](https://github.com/prettier/prettier-atom/commits?author=jlongster "Code") [📖](https://github.com/prettier/prettier-atom/commits?author=jlongster "Documentation") [🔌](#plugin-jlongster "Plugin/utility libraries") [👀](#review-jlongster "Reviewed Pull Requests") | [<img src="https://avatars.githubusercontent.com/u/6173488?v=3" width="100px;"/><br /><sub><b>Rob Wise</b></sub>](https://robwise.github.io)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=robwise "Code") [📖](https://github.com/prettier/prettier-atom/commits?author=robwise "Documentation") [💬](#question-robwise "Answering Questions") [💡](#example-robwise "Examples") [👀](#review-robwise "Reviewed Pull Requests") [⚠️](https://github.com/prettier/prettier-atom/commits?author=robwise "Tests") | [<img src="https://avatars.githubusercontent.com/u/1500684?v=3" width="100px;"/><br /><sub><b>Kent C. Dodds</b></sub>](https://kentcdodds.com)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=kentcdodds "Code") [📖](https://github.com/prettier/prettier-atom/commits?author=kentcdodds "Documentation") [🚇](#infra-kentcdodds "Infrastructure (Hosting, Build-Tools, etc)") | [<img src="https://avatars.githubusercontent.com/u/1144075?v=3" width="100px;"/><br /><sub><b>Luca Barone</b></sub>](https://github.com/cloud-walker)<br /> | [<img src="https://avatars.githubusercontent.com/u/4514159?v=3" width="100px;"/><br /><sub><b>Arnar Þór Sveinsson</b></sub>](https://github.com/arnarthor)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=arnarthor "Code") | [<img src="https://avatars.githubusercontent.com/u/131916?v=3" width="100px;"/><br /><sub><b>Adam Miskiewicz</b></sub>](http://www.adammiskiewicz.com/)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=skevy "Code") | [<img src="https://avatars.githubusercontent.com/u/2685242?v=3" width="100px;"/><br /><sub><b>Ori Livni</b></sub>](http://www.orilivni.com)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=oriSomething "Code") |
 | :---: | :---: | :---: | :---: | :---: | :---: | :---: |
 | [<img src="https://avatars.githubusercontent.com/u/6182852?v=3" width="100px;"/><br /><sub><b>Leon Chen</b></sub>](https://transcranial.github.io)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=transcranial "Code") | [<img src="https://avatars.githubusercontent.com/u/197597?v=3" width="100px;"/><br /><sub><b>Christopher Chedeau</b></sub>](http://blog.vjeux.com/)<br />[💬](#question-vjeux "Answering Questions") [💻](https://github.com/prettier/prettier-atom/commits?author=vjeux "Code") [🔌](#plugin-vjeux "Plugin/utility libraries") | [<img src="https://avatars.githubusercontent.com/u/646693?v=3" width="100px;"/><br /><sub><b>Christoph Geschwind</b></sub>](http://christoph-geschwind.de)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=1st8 "Code") | [<img src="https://avatars.githubusercontent.com/u/35026?v=3" width="100px;"/><br /><sub><b>Andrew Hutchings</b></sub>](https://andrewhutchings.com)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=ahutchings "Code") | [<img src="https://avatars.githubusercontent.com/u/875591?v=3" width="100px;"/><br /><sub><b>David Schnurr</b></sub>](http://davidschnurr.com)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=schnerd "Code") | [<img src="https://avatars.githubusercontent.com/u/484801?v=3" width="100px;"/><br /><sub><b>Ryan Cole</b></sub>](http://rycole.com/)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=ryancole "Code") | [<img src="https://avatars0.githubusercontent.com/u/11488612?v=3" width="100px;"/><br /><sub><b>Dara Hak</b></sub>](https://github.com/darahak)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=darahak "Code") [📖](https://github.com/prettier/prettier-atom/commits?author=darahak "Documentation") |
 | [<img src="https://avatars3.githubusercontent.com/u/487068?v=3" width="100px;"/><br /><sub><b>Stephen John Sorensen</b></sub>](http://www.stephenjohnsorensen.com/)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=spudly "Code") | [<img src="https://avatars2.githubusercontent.com/u/13285808?v=3" width="100px;"/><br /><sub><b>Lukas Geiger</b></sub>](https://github.com/lgeiger)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=lgeiger "Code") [⚠️](https://github.com/prettier/prettier-atom/commits?author=lgeiger "Tests") | [<img src="https://avatars2.githubusercontent.com/u/1517854?v=3" width="100px;"/><br /><sub><b>Viktor Charypar</b></sub>](https://github.com/charypar)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=charypar "Code") [⚠️](https://github.com/prettier/prettier-atom/commits?author=charypar "Tests") | [<img src="https://avatars0.githubusercontent.com/u/1007436?v=3" width="100px;"/><br /><sub><b>Mats Högberg</b></sub>](http://mats.hgbrg.se)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=mhgbrg "Code") | [<img src="https://avatars0.githubusercontent.com/u/2602767?v=3" width="100px;"/><br /><sub><b>Roman</b></sub>](https://github.com/RoM4iK)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=RoM4iK "Code") | [<img src="https://avatars2.githubusercontent.com/u/1468518?v=3" width="100px;"/><br /><sub><b>vaibhav</b></sub>](https://vaibhavchatarkar.com)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=da-vaibhav "Code") | [<img src="https://avatars1.githubusercontent.com/u/1935696?v=3" width="100px;"/><br /><sub><b>Karl Horky</b></sub>](https://work.karlhorky.com)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=karlhorky "Code") |
-| [<img src="https://avatars3.githubusercontent.com/u/810438?v=3" width="100px;"/><br /><sub><b>Dan Abramov</b></sub>](http://twitter.com/dan_abramov)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=gaearon "Code") | [<img src="https://avatars3.githubusercontent.com/u/1227109?v=3" width="100px;"/><br /><sub><b>Murphy Randle</b></sub>](https://sploding.rocks)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=splodingsocks "Code") [🐛](https://github.com/prettier/prettier-atom/issues?q=author%3Asplodingsocks "Bug reports") | [<img src="https://avatars3.githubusercontent.com/u/8517072?v=3" width="100px;"/><br /><sub><b>Matthieu Lemoine</b></sub>](https://matthieulemoine.com)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=MatthieuLemoine "Code") | [<img src="https://avatars1.githubusercontent.com/u/37242?v=4" width="100px;"/><br /><sub><b>Ron Green</b></sub>](https://github.com/rgreenjr)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=rgreenjr "Code") |
+| [<img src="https://avatars3.githubusercontent.com/u/810438?v=3" width="100px;"/><br /><sub><b>Dan Abramov</b></sub>](http://twitter.com/dan_abramov)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=gaearon "Code") | [<img src="https://avatars3.githubusercontent.com/u/1227109?v=3" width="100px;"/><br /><sub><b>Murphy Randle</b></sub>](https://sploding.rocks)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=splodingsocks "Code") [🐛](https://github.com/prettier/prettier-atom/issues?q=author%3Asplodingsocks "Bug reports") | [<img src="https://avatars3.githubusercontent.com/u/8517072?v=3" width="100px;"/><br /><sub><b>Matthieu Lemoine</b></sub>](https://matthieulemoine.com)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=MatthieuLemoine "Code") | [<img src="https://avatars1.githubusercontent.com/u/37242?v=4" width="100px;"/><br /><sub><b>Ron Green</b></sub>](https://github.com/rgreenjr)<br />[💻](https://github.com/prettier/prettier-atom/commits?author=rgreenjr "Code") | [<img src="https://avatars2.githubusercontent.com/u/1745854?v=4" width="100px;"/><br /><sub><b>Harold Treen</b></sub>](https://haroldtreen.com)<br />[🐛](https://github.com/prettier/prettier-atom/issues?q=author%3Aharoldtreen "Bug reports") [💻](https://github.com/prettier/prettier-atom/commits?author=haroldtreen "Code") |
 <!-- ALL-CONTRIBUTORS-LIST:END -->
 
 This project follows the [all-contributors][all-contributors] specification. Contributions of any kind are welcome!

src/atomInterface/index.js

@@ -44,14 +44,15 @@ const getGraphQlScopes = () => getConfigOption('formatOnSaveOptions.graphQlScope
 
 const getMarkdownScopes = () => getConfigOption('formatOnSaveOptions.markdownScopes');
 
-const getAllScopes = () => [
-  ...getJavascriptScopes(),
-  ...getTypescriptScopes(),
-  ...getCssScopes(),
-  ...getJsonScopes(),
-  ...getGraphQlScopes(),
-  ...getMarkdownScopes(),
-];
+const getAllScopes = () =>
+  [
+    getJavascriptScopes(),
+    getTypescriptScopes(),
+    getCssScopes(),
+    getJsonScopes(),
+    getGraphQlScopes(),
+    getMarkdownScopes(),
+  ].reduce((acc, els) => acc.concat(els));
 
 const getWhitelistedGlobs = () => getConfigOption('formatOnSaveOptions.whitelistedGlobs');
 

src/editorInterface/index.js

@@ -1,5 +1,5 @@
 // @flow
-const _ = require('lodash/fp');
+
 const path = require('path');
 
 const {
@@ -10,6 +10,14 @@ const {
   getMarkdownScopes,
 } = require('../atomInterface');
 
+let flow;
+const lazyFlow = () => {
+  if (!flow) {
+    flow = require('lodash/fp/flow'); // eslint-disable-line global-require
+  }
+  return flow;
+};
+
 const EMBEDDED_SCOPES = ['text.html.vue', 'text.html.basic'];
 
 const getBufferRange = (editor: TextEditor) => editor.getBuffer().getRange();
@@ -33,10 +41,11 @@ const isCurrentScopeMarkdownScope = (editor: TextEditor) =>
 
 const getCurrentFilePath = (editor: TextEditor) => (editor.buffer.file ? editor.buffer.file.path : undefined);
 
-const getCurrentDir: (editor: TextEditor) => ?string = _.flow(
-  getCurrentFilePath,
-  (maybeFilePath: ?string) => (typeof maybeFilePath === 'string' ? path.dirname(maybeFilePath) : undefined),
-);
+const getCurrentDir: (editor: TextEditor) => ?string = editor =>
+  lazyFlow()(
+    getCurrentFilePath,
+    (maybeFilePath: ?string) => (typeof maybeFilePath === 'string' ? path.dirname(maybeFilePath) : undefined),
+  )(editor);
 
 module.exports = {
   getBufferRange,