diff --git a/.eslintrc.yml b/.eslintrc.yml
index 7c07d6a45..226a83c30 100644
--- a/.eslintrc.yml
+++ b/.eslintrc.yml
@@ -8,6 +8,8 @@ extends:
 plugins:
   - import
   - unicorn
+settings:
+  import/internal-regex: ^linguist-languages/
 rules:
   curly: error
   dot-notation: error
@@ -18,6 +20,7 @@ rules:
   import/no-extraneous-dependencies:
     - error
     - devDependencies: ["tests*/**", "scripts/**"]
+  import/order: error
   no-else-return: error
   no-inner-declarations: error
   no-unneeded-ternary: error
diff --git a/scripts/build/build.js b/scripts/build/build.js
index feb53d0a8..99ca212d6 100644
--- a/scripts/build/build.js
+++ b/scripts/build/build.js
@@ -1,10 +1,10 @@
 "use strict";
 
+const path = require("path");
+const fs = require("fs");
 const chalk = require("chalk");
 const execa = require("execa");
 const minimist = require("minimist");
-const path = require("path");
-const fs = require("fs");
 const stringWidth = require("string-width");
 
 const bundler = require("./bundler");
diff --git a/scripts/build/bundler.js b/scripts/build/bundler.js
index 03d18b272..aa70c22c7 100644
--- a/scripts/build/bundler.js
+++ b/scripts/build/bundler.js
@@ -1,7 +1,7 @@
 "use strict";
 
-const execa = require("execa");
 const path = require("path");
+const execa = require("execa");
 const { rollup } = require("rollup");
 const webpack = require("webpack");
 const { nodeResolve } = require("@rollup/plugin-node-resolve");
diff --git a/scripts/build/rollup-plugins/native-shims.js b/scripts/build/rollup-plugins/native-shims.js
index bb931a54c..db4b5ce98 100644
--- a/scripts/build/rollup-plugins/native-shims.js
+++ b/scripts/build/rollup-plugins/native-shims.js
@@ -1,8 +1,8 @@
 "use strict";
 
-const builtins = require("builtin-modules");
 const fs = require("fs");
 const path = require("path");
+const builtins = require("builtin-modules");
 
 const EMPTY = "export default {};";
 const PREFIX = "\0shim:";
diff --git a/scripts/check-deps.js b/scripts/check-deps.js
index 85bfc539b..c892a1063 100644
--- a/scripts/check-deps.js
+++ b/scripts/check-deps.js
@@ -1,7 +1,7 @@
 "use strict";
 
-const pkg = require("../package.json");
 const chalk = require("chalk");
+const pkg = require("../package.json");
 
 validateDependencyObject(pkg.dependencies);
 validateDependencyObject(pkg.devDependencies);
diff --git a/scripts/release/steps/update-changelog.js b/scripts/release/steps/update-changelog.js
index e70c13bbd..76cfad53a 100644
--- a/scripts/release/steps/update-changelog.js
+++ b/scripts/release/steps/update-changelog.js
@@ -1,8 +1,8 @@
 "use strict";
 
+const fs = require("fs");
 const chalk = require("chalk");
 const { outdent, string: outdentString } = require("outdent");
-const fs = require("fs");
 const semver = require("semver");
 const { waitForEnter, runYarn, logPromise } = require("../utils");
 
diff --git a/scripts/release/utils.js b/scripts/release/utils.js
index 66f35fee7..22a8370e7 100644
--- a/scripts/release/utils.js
+++ b/scripts/release/utils.js
@@ -2,8 +2,8 @@
 
 require("readline").emitKeypressEvents(process.stdin);
 
-const chalk = require("chalk");
 const fs = require("fs");
+const chalk = require("chalk");
 const execa = require("execa");
 const stringWidth = require("string-width");
 
diff --git a/scripts/sync-flow-tests.js b/scripts/sync-flow-tests.js
index 313c04f4a..a42309b59 100644
--- a/scripts/sync-flow-tests.js
+++ b/scripts/sync-flow-tests.js
@@ -1,9 +1,9 @@
 "use strict";
 
 const fs = require("fs");
+const path = require("path");
 const flowParser = require("flow-parser");
 const globby = require("globby");
-const path = require("path");
 const rimraf = require("rimraf");
 
 const DEFAULT_SPEC_CONTENT = "run_spec(__dirname);\n";
diff --git a/src/cli/index.js b/src/cli/index.js
index 05dbc776a..1d5c15edc 100644
--- a/src/cli/index.js
+++ b/src/cli/index.js
@@ -3,9 +3,9 @@
 // eslint-disable-next-line no-restricted-modules
 require("please-upgrade-node")(require("../../package.json"));
 
+const stringify = require("fast-json-stable-stringify");
 // eslint-disable-next-line no-restricted-modules
 const prettier = require("../index");
-const stringify = require("fast-json-stable-stringify");
 const util = require("./util");
 
 function run(args) {
diff --git a/src/cli/util.js b/src/cli/util.js
index 5696205c7..de2aa90f8 100644
--- a/src/cli/util.js
+++ b/src/cli/util.js
@@ -1,12 +1,12 @@
 "use strict";
 
 const path = require("path");
+const fs = require("fs");
+const readline = require("readline");
 const camelCase = require("camelcase");
 const dashify = require("dashify");
-const fs = require("fs");
 
 const chalk = require("chalk");
-const readline = require("readline");
 const stringify = require("fast-json-stable-stringify");
 const fromPairs = require("lodash/fromPairs");
 const pick = require("lodash/pick");
diff --git a/src/common/create-ignorer.js b/src/common/create-ignorer.js
index 1fdae0944..785677ec3 100644
--- a/src/common/create-ignorer.js
+++ b/src/common/create-ignorer.js
@@ -1,7 +1,7 @@
 "use strict";
 
-const ignore = require("ignore");
 const path = require("path");
+const ignore = require("ignore");
 const getFileContentOrNull = require("../utils/get-file-content-or-null");
 
 /**
diff --git a/src/common/get-file-info.js b/src/common/get-file-info.js
index 2814d2b50..f7f2776e6 100644
--- a/src/common/get-file-info.js
+++ b/src/common/get-file-info.js
@@ -1,9 +1,9 @@
 "use strict";
 
-const createIgnorer = require("./create-ignorer");
+const path = require("path");
 const options = require("../main/options");
 const config = require("../config/resolve-config");
-const path = require("path");
+const createIgnorer = require("./create-ignorer");
 
 /**
  * @typedef {{ ignorePath?: string, withNodeModules?: boolean, plugins: object }} FileInfoOptions
diff --git a/src/common/load-plugins.js b/src/common/load-plugins.js
index 7cc20403c..cab1e27bf 100644
--- a/src/common/load-plugins.js
+++ b/src/common/load-plugins.js
@@ -1,13 +1,13 @@
 "use strict";
 
+const fs = require("fs");
+const path = require("path");
 const uniqBy = require("lodash/uniqBy");
 const partition = require("lodash/partition");
-const fs = require("fs");
 const globby = require("globby");
-const path = require("path");
+const mem = require("mem");
 const thirdParty = require("./third-party");
 const internalPlugins = require("./internal-plugins");
-const mem = require("mem");
 const resolve = require("./resolve");
 
 const memoizedLoad = mem(load, { cacheKey: JSON.stringify });
diff --git a/src/config/resolve-config.js b/src/config/resolve-config.js
index c32067876..9fa5b85f0 100644
--- a/src/config/resolve-config.js
+++ b/src/config/resolve-config.js
@@ -1,13 +1,13 @@
 "use strict";
 
-const thirdParty = require("../common/third-party");
-const minimatch = require("minimatch");
 const path = require("path");
+const minimatch = require("minimatch");
 const mem = require("mem");
+const thirdParty = require("../common/third-party");
 
-const resolveEditorConfig = require("./resolve-config-editorconfig");
 const loadToml = require("../utils/load-toml");
 const resolve = require("../common/resolve");
+const resolveEditorConfig = require("./resolve-config-editorconfig");
 
 const getExplorerMemoized = mem(
   (opts) => {
diff --git a/src/language-css/index.js b/src/language-css/index.js
index 3e91afc61..f6c6bf95d 100644
--- a/src/language-css/index.js
+++ b/src/language-css/index.js
@@ -1,8 +1,8 @@
 "use strict";
 
+const createLanguage = require("../utils/create-language");
 const printer = require("./printer-postcss");
 const options = require("./options");
-const createLanguage = require("../utils/create-language");
 
 const languages = [
   createLanguage(require("linguist-languages/data/CSS"), () => ({
diff --git a/src/language-css/printer-postcss.js b/src/language-css/printer-postcss.js
index d0ff8f786..708b75c2b 100644
--- a/src/language-css/printer-postcss.js
+++ b/src/language-css/printer-postcss.js
@@ -1,8 +1,5 @@
 "use strict";
 
-const clean = require("./clean");
-const embed = require("./embed");
-const { insertPragma } = require("./pragma");
 const {
   printNumber,
   printString,
@@ -11,7 +8,6 @@ const {
   isFrontMatterNode,
 } = require("../common/util");
 const { isNextLineEmpty } = require("../common/util-shared");
-
 const {
   builders: {
     concat,
@@ -27,6 +23,9 @@ const {
   },
   utils: { removeLines },
 } = require("../document");
+const clean = require("./clean");
+const embed = require("./embed");
+const { insertPragma } = require("./pragma");
 
 const {
   getAncestorNode,
diff --git a/src/language-graphql/index.js b/src/language-graphql/index.js
index be64a9e2c..2561fce78 100644
--- a/src/language-graphql/index.js
+++ b/src/language-graphql/index.js
@@ -1,8 +1,8 @@
 "use strict";
 
+const createLanguage = require("../utils/create-language");
 const printer = require("./printer-graphql");
 const options = require("./options");
-const createLanguage = require("../utils/create-language");
 
 const languages = [
   createLanguage(require("linguist-languages/data/GraphQL"), () => ({
diff --git a/src/language-handlebars/index.js b/src/language-handlebars/index.js
index 966ae6ba3..06ce119d6 100644
--- a/src/language-handlebars/index.js
+++ b/src/language-handlebars/index.js
@@ -1,7 +1,7 @@
 "use strict";
 
-const printer = require("./printer-glimmer");
 const createLanguage = require("../utils/create-language");
+const printer = require("./printer-glimmer");
 
 const languages = [
   createLanguage(require("linguist-languages/data/Handlebars"), () => ({
diff --git a/src/language-handlebars/printer-glimmer.js b/src/language-handlebars/printer-glimmer.js
index 53f0d5369..f540ba4ff 100644
--- a/src/language-handlebars/printer-glimmer.js
+++ b/src/language-handlebars/printer-glimmer.js
@@ -1,8 +1,5 @@
 "use strict";
 
-const clean = require("./clean");
-const preprocess = require("./preprocess");
-
 const {
   concat,
   group,
@@ -14,6 +11,8 @@ const {
   softline,
 } = require("../document").builders;
 
+const clean = require("./clean");
+const preprocess = require("./preprocess");
 const {
   getNextNode,
   getPreviousNode,
diff --git a/src/language-html/index.js b/src/language-html/index.js
index 3fcfb3ea2..2fc468106 100644
--- a/src/language-html/index.js
+++ b/src/language-html/index.js
@@ -1,7 +1,7 @@
 "use strict";
 
-const printer = require("./printer-html");
 const createLanguage = require("../utils/create-language");
+const printer = require("./printer-html");
 const options = require("./options");
 
 const languages = [
diff --git a/src/language-html/parser-html.js b/src/language-html/parser-html.js
index cd1515433..43d6a791e 100644
--- a/src/language-html/parser-html.js
+++ b/src/language-html/parser-html.js
@@ -1,16 +1,16 @@
 "use strict";
 
 const parseFrontMatter = require("../utils/front-matter");
+const createError = require("../common/parser-create-error");
+const { getParserName } = require("../common/util");
 const {
   HTML_ELEMENT_ATTRIBUTES,
   HTML_TAGS,
   isUnknownNamespace,
 } = require("./utils");
 const { hasPragma } = require("./pragma");
-const createError = require("../common/parser-create-error");
 const { Node } = require("./ast");
 const { parseIeConditionalComment } = require("./conditional-comment");
-const { getParserName } = require("../common/util");
 
 function ngHtmlParser(
   input,
diff --git a/src/language-html/printer-html.js b/src/language-html/printer-html.js
index 72593e5e9..b6b1fede3 100644
--- a/src/language-html/printer-html.js
+++ b/src/language-html/printer-html.js
@@ -1,10 +1,12 @@
 "use strict";
 
-const clean = require("./clean");
+const assert = require("assert");
 const {
   builders,
   utils: { stripTrailingHardline, mapDoc, normalizeParts },
 } = require("../document");
+const { replaceEndOfLineWith } = require("../common/util");
+const clean = require("./clean");
 const {
   breakParent,
   dedentToRoot,
@@ -41,9 +43,7 @@ const {
   shouldPreserveContent,
   unescapeQuoteEntities,
 } = require("./utils");
-const { replaceEndOfLineWith } = require("../common/util");
 const preprocess = require("./preprocess");
-const assert = require("assert");
 const { insertPragma } = require("./pragma");
 const {
   printVueFor,
diff --git a/src/language-html/syntax-attribute.js b/src/language-html/syntax-attribute.js
index c17a8d625..982e55fa0 100644
--- a/src/language-html/syntax-attribute.js
+++ b/src/language-html/syntax-attribute.js
@@ -1,9 +1,9 @@
 "use strict";
 
+const parseSrcset = require("parse-srcset");
 const {
   builders: { concat, ifBreak, join, line },
 } = require("../document");
-const parseSrcset = require("parse-srcset");
 
 function printImgSrcset(value) {
   const srcset = parseSrcset(value, {
diff --git a/src/language-html/utils.js b/src/language-html/utils.js
index 70098d73a..632f11efa 100644
--- a/src/language-html/utils.js
+++ b/src/language-html/utils.js
@@ -1,15 +1,14 @@
 "use strict";
 
+const htmlTagNames = require("html-tag-names");
+const htmlElementAttributes = require("html-element-attributes");
+const { getParserName, isFrontMatterNode } = require("../common/util");
 const {
   CSS_DISPLAY_TAGS,
   CSS_DISPLAY_DEFAULT,
   CSS_WHITE_SPACE_TAGS,
   CSS_WHITE_SPACE_DEFAULT,
 } = require("./constants.evaluate");
-const { getParserName, isFrontMatterNode } = require("../common/util");
-
-const htmlTagNames = require("html-tag-names");
-const htmlElementAttributes = require("html-element-attributes");
 
 const HTML_TAGS = arrayToMap(htmlTagNames);
 const HTML_ELEMENT_ATTRIBUTES = mapObject(htmlElementAttributes, arrayToMap);
diff --git a/src/language-js/embed.js b/src/language-js/embed.js
index abccc3851..8a040300a 100644
--- a/src/language-js/embed.js
+++ b/src/language-js/embed.js
@@ -1,7 +1,5 @@
 "use strict";
 
-const { isBlockComment, hasLeadingComment } = require("./comments");
-
 const {
   builders: {
     indent,
@@ -16,6 +14,7 @@ const {
   },
   utils: { mapDoc, stripTrailingHardline },
 } = require("../document");
+const { isBlockComment, hasLeadingComment } = require("./comments");
 
 function embed(path, print, textToDoc, options) {
   const node = path.getValue();
diff --git a/src/language-js/index.js b/src/language-js/index.js
index 380bc5551..9f4d97017 100644
--- a/src/language-js/index.js
+++ b/src/language-js/index.js
@@ -1,9 +1,9 @@
 "use strict";
 
+const createLanguage = require("../utils/create-language");
 const estreePrinter = require("./printer-estree");
 const estreeJsonPrinter = require("./printer-estree-json");
 const options = require("./options");
-const createLanguage = require("../utils/create-language");
 
 const languages = [
   createLanguage(require("linguist-languages/data/JavaScript"), (data) => ({
diff --git a/src/language-js/print/member-chain.js b/src/language-js/print/member-chain.js
index 74c67c625..1732a3066 100644
--- a/src/language-js/print/member-chain.js
+++ b/src/language-js/print/member-chain.js
@@ -21,14 +21,6 @@ const {
   isSimpleCallArgument,
 } = require("../utils");
 
-const printCallArguments = require("./call-arguments");
-const {
-  printOptionalToken,
-  printFunctionTypeParameters,
-  printMemberLookup,
-  printBindExpressionCallee,
-} = require("./misc");
-
 const {
   builders: {
     concat,
@@ -41,6 +33,13 @@ const {
   },
   utils: { willBreak },
 } = require("../../document");
+const printCallArguments = require("./call-arguments");
+const {
+  printOptionalToken,
+  printFunctionTypeParameters,
+  printMemberLookup,
+  printBindExpressionCallee,
+} = require("./misc");
 
 // We detect calls on member expressions specially to format a
 // common pattern better. The pattern we are looking for is this:
diff --git a/src/language-js/printer-estree.js b/src/language-js/printer-estree.js
index fd794a220..7b4c9ffca 100644
--- a/src/language-js/printer-estree.js
+++ b/src/language-js/printer-estree.js
@@ -24,6 +24,28 @@ const {
   isNextLineEmpty,
   getNextNonSpaceNonCommentCharacterIndex,
 } = require("../common/util-shared");
+const {
+  builders: {
+    concat,
+    join,
+    line,
+    hardline,
+    softline,
+    literalline,
+    group,
+    indent,
+    align,
+    conditionalGroup,
+    fill,
+    ifBreak,
+    lineSuffixBoundary,
+    addAlignmentToDoc,
+    dedent,
+    breakParent,
+  },
+  utils: { willBreak, isLineNext, isEmpty, removeLines, normalizeParts },
+  printer: { printDocToString },
+} = require("../document");
 const embed = require("./embed");
 const clean = require("./clean");
 const { insertPragma } = require("./pragma");
@@ -101,29 +123,6 @@ const { printModuleSource, printModuleSpecifiers } = require("./print/module");
 
 const needsQuoteProps = new WeakMap();
 
-const {
-  builders: {
-    concat,
-    join,
-    line,
-    hardline,
-    softline,
-    literalline,
-    group,
-    indent,
-    align,
-    conditionalGroup,
-    fill,
-    ifBreak,
-    lineSuffixBoundary,
-    addAlignmentToDoc,
-    dedent,
-    breakParent,
-  },
-  utils: { willBreak, isLineNext, isEmpty, removeLines, normalizeParts },
-  printer: { printDocToString },
-} = require("../document");
-
 let uid = 0;
 
 function genericPrint(path, options, printPath, args) {
diff --git a/src/language-js/utils.js b/src/language-js/utils.js
index a7d81ff7f..accf78408 100644
--- a/src/language-js/utils.js
+++ b/src/language-js/utils.js
@@ -1,5 +1,6 @@
 "use strict";
 
+const isIdentifierName = require("esutils").keyword.isIdentifierNameES5;
 const {
   getLast,
   hasNewline,
@@ -8,7 +9,6 @@ const {
   hasNodeIgnoreComment,
   skipWhitespace,
 } = require("../common/util");
-const isIdentifierName = require("esutils").keyword.isIdentifierNameES5;
 const handleComments = require("./comments");
 
 // We match any whitespace except line terminators because
diff --git a/src/language-markdown/index.js b/src/language-markdown/index.js
index 359654551..9c77d766f 100644
--- a/src/language-markdown/index.js
+++ b/src/language-markdown/index.js
@@ -1,8 +1,8 @@
 "use strict";
 
+const createLanguage = require("../utils/create-language");
 const printer = require("./printer-markdown");
 const options = require("./options");
-const createLanguage = require("../utils/create-language");
 
 const languages = [
   createLanguage(require("linguist-languages/data/Markdown"), (data) => ({
diff --git a/src/language-markdown/parser-markdown.js b/src/language-markdown/parser-markdown.js
index 27218d0fa..2d3e9d5bc 100644
--- a/src/language-markdown/parser-markdown.js
+++ b/src/language-markdown/parser-markdown.js
@@ -2,12 +2,12 @@
 
 const remarkParse = require("remark-parse");
 const unified = require("unified");
-const pragma = require("./pragma");
-const parseFrontMatter = require("../utils/front-matter");
-const { mapAst, INLINE_NODE_WRAPPER_TYPES } = require("./utils");
-const mdx = require("./mdx");
 const remarkMath = require("remark-math");
 const footnotes = require("remark-footnotes");
+const parseFrontMatter = require("../utils/front-matter");
+const pragma = require("./pragma");
+const { mapAst, INLINE_NODE_WRAPPER_TYPES } = require("./utils");
+const mdx = require("./mdx");
 
 /**
  * based on [MDAST](https://github.com/syntax-tree/mdast) with following modifications:
diff --git a/src/language-markdown/printer-markdown.js b/src/language-markdown/printer-markdown.js
index 6600b2590..d5d093778 100644
--- a/src/language-markdown/printer-markdown.js
+++ b/src/language-markdown/printer-markdown.js
@@ -1,9 +1,6 @@
 "use strict";
 
 const privateUtil = require("../common/util");
-const embed = require("./embed");
-const pragma = require("./pragma");
-const preprocess = require("./preprocess");
 const {
   builders: {
     breakParent,
@@ -23,6 +20,10 @@ const {
   utils: { normalizeDoc },
   printer: { printDocToString },
 } = require("../document");
+const { replaceEndOfLineWith, isFrontMatterNode } = require("../common/util");
+const embed = require("./embed");
+const pragma = require("./pragma");
+const preprocess = require("./preprocess");
 const {
   getFencedCodeBlockValue,
   hasGitDiffFriendlyOrderedList,
@@ -32,7 +33,6 @@ const {
   INLINE_NODE_WRAPPER_TYPES,
   isAutolink,
 } = require("./utils");
-const { replaceEndOfLineWith, isFrontMatterNode } = require("../common/util");
 
 const TRAILING_HARDLINE_NODES = new Set(["importExport"]);
 const SINGLE_LINE_NODE_TYPES = ["heading", "tableCell", "link"];
diff --git a/src/language-markdown/utils.js b/src/language-markdown/utils.js
index db1e8ab48..5e29c675e 100644
--- a/src/language-markdown/utils.js
+++ b/src/language-markdown/utils.js
@@ -1,11 +1,11 @@
 "use strict";
 
+const { getLast } = require("../common/util");
 const {
   cjkPattern,
   kPattern,
   punctuationPattern,
 } = require("./constants.evaluate");
-const { getLast } = require("../common/util");
 
 const INLINE_NODE_TYPES = [
   "liquidNode",
diff --git a/src/language-yaml/index.js b/src/language-yaml/index.js
index 6e7414b6c..9147c27a9 100644
--- a/src/language-yaml/index.js
+++ b/src/language-yaml/index.js
@@ -1,8 +1,8 @@
 "use strict";
 
+const createLanguage = require("../utils/create-language");
 const printer = require("./printer-yaml");
 const options = require("./options");
-const createLanguage = require("../utils/create-language");
 
 const languages = [
   createLanguage(require("linguist-languages/data/YAML"), (data) => ({
diff --git a/src/language-yaml/printer-yaml.js b/src/language-yaml/printer-yaml.js
index 4269f77c6..5b899ca7c 100644
--- a/src/language-yaml/printer-yaml.js
+++ b/src/language-yaml/printer-yaml.js
@@ -1,5 +1,24 @@
 "use strict";
 
+const docBuilders = require("../document").builders;
+const {
+  conditionalGroup,
+  breakParent,
+  concat,
+  dedent,
+  dedentToRoot,
+  fill,
+  group,
+  hardline,
+  ifBreak,
+  join,
+  line,
+  lineSuffix,
+  literalline,
+  markAsRoot,
+  softline,
+} = docBuilders;
+const { replaceEndOfLineWith, isPreviousLineEmpty } = require("../common/util");
 const { insertPragma, isPragma } = require("./pragma");
 const {
   getAncestorCount,
@@ -20,25 +39,6 @@ const {
   defineShortcut,
   mapNode,
 } = require("./utils");
-const docBuilders = require("../document").builders;
-const {
-  conditionalGroup,
-  breakParent,
-  concat,
-  dedent,
-  dedentToRoot,
-  fill,
-  group,
-  hardline,
-  ifBreak,
-  join,
-  line,
-  lineSuffix,
-  literalline,
-  markAsRoot,
-  softline,
-} = docBuilders;
-const { replaceEndOfLineWith, isPreviousLineEmpty } = require("../common/util");
 
 function preprocess(ast) {
   return mapNode(ast, defineShortcuts);
diff --git a/src/main/ast-to-doc.js b/src/main/ast-to-doc.js
index 8863f26b4..7d861c258 100644
--- a/src/main/ast-to-doc.js
+++ b/src/main/ast-to-doc.js
@@ -1,11 +1,11 @@
 "use strict";
 
 const assert = require("assert");
-const comments = require("./comments");
 const FastPath = require("../common/fast-path");
+const doc = require("../document");
+const comments = require("./comments");
 const multiparser = require("./multiparser");
 
-const doc = require("../document");
 const docBuilders = doc.builders;
 const { concat, hardline, addAlignmentToDoc } = docBuilders;
 const docUtils = doc.utils;
diff --git a/src/main/core.js b/src/main/core.js
index 01dcfd7a9..72ab155e9 100644
--- a/src/main/core.js
+++ b/src/main/core.js
@@ -2,21 +2,21 @@
 
 const diff = require("diff");
 
+const {
+  printer: { printDocToString },
+  debug: { printDocToDebug },
+} = require("../document");
+const privateUtil = require("../common/util");
+const {
+  guessEndOfLine,
+  convertEndOfLineToChars,
+} = require("../common/end-of-line");
 const normalizeOptions = require("./options").normalize;
 const massageAST = require("./massage-ast");
 const comments = require("./comments");
 const parser = require("./parser");
 const printAstToDoc = require("./ast-to-doc");
-const {
-  guessEndOfLine,
-  convertEndOfLineToChars,
-} = require("../common/end-of-line");
 const rangeUtil = require("./range-util");
-const privateUtil = require("../common/util");
-const {
-  printer: { printDocToString },
-  debug: { printDocToDebug },
-} = require("../document");
 
 const BOM = "\uFEFF";
 
diff --git a/tests_config/run_spec.js b/tests_config/run_spec.js
index e20884606..eec6386a9 100644
--- a/tests_config/run_spec.js
+++ b/tests_config/run_spec.js
@@ -1,8 +1,13 @@
 "use strict";
 
+const { TEST_STANDALONE } = process.env;
+
 const fs = require("fs");
 const path = require("path");
 const { isCI } = require("ci-info");
+const prettier = !TEST_STANDALONE
+  ? require("prettier/local")
+  : require("prettier/standalone");
 const checkParsers = require("./utils/check-parsers");
 const visualizeRange = require("./utils/visualize-range");
 const createSnapshot = require("./utils/create-snapshot");
@@ -11,7 +16,6 @@ const visualizeEndOfLine = require("./utils/visualize-end-of-line");
 const consistentEndOfLine = require("./utils/consistent-end-of-line");
 const stringifyOptionsForTitle = require("./utils/stringify-options-for-title");
 
-const { TEST_STANDALONE } = process.env;
 const AST_COMPARE = isCI || process.env.AST_COMPARE;
 const DEEP_COMPARE = isCI || process.env.DEEP_COMPARE;
 const TEST_CRLF =
@@ -21,10 +25,6 @@ const CURSOR_PLACEHOLDER = "<|>";
 const RANGE_START_PLACEHOLDER = "<<<PRETTIER_RANGE_START>>>";
 const RANGE_END_PLACEHOLDER = "<<<PRETTIER_RANGE_END>>>";
 
-const prettier = !TEST_STANDALONE
-  ? require("prettier/local")
-  : require("prettier/standalone");
-
 // TODO: these test files need fix
 const unstableTests = new Map(
   [
diff --git a/tests_integration/__tests__/config-resolution.js b/tests_integration/__tests__/config-resolution.js
index f54875426..6749deb9d 100644
--- a/tests_integration/__tests__/config-resolution.js
+++ b/tests_integration/__tests__/config-resolution.js
@@ -2,8 +2,8 @@
 
 const path = require("path");
 
-const runPrettier = require("../runPrettier");
 const prettier = require("prettier/local");
+const runPrettier = require("../runPrettier");
 
 expect.addSnapshotSerializer(require("../path-serializer"));
 
diff --git a/tests_integration/__tests__/file-info.js b/tests_integration/__tests__/file-info.js
index 2edf607cb..e993b5c8f 100644
--- a/tests_integration/__tests__/file-info.js
+++ b/tests_integration/__tests__/file-info.js
@@ -1,12 +1,12 @@
 "use strict";
 
 const path = require("path");
-const tempy = require("tempy");
 const fs = require("fs");
+const tempy = require("tempy");
 const fromPairs = require("lodash/fromPairs");
 
-const runPrettier = require("../runPrettier");
 const prettier = require("prettier/local");
+const runPrettier = require("../runPrettier");
 
 expect.addSnapshotSerializer(require("../path-serializer"));
 
diff --git a/tests_integration/__tests__/infer-parser.js b/tests_integration/__tests__/infer-parser.js
index 0c5a22be5..768e39ada 100644
--- a/tests_integration/__tests__/infer-parser.js
+++ b/tests_integration/__tests__/infer-parser.js
@@ -1,7 +1,7 @@
 "use strict";
 
-const runPrettier = require("../runPrettier");
 const prettier = require("prettier/local");
+const runPrettier = require("../runPrettier");
 
 describe("stdin no path and no parser", () => {
   describe("logs error and exits with 2", () => {
diff --git a/tests_integration/__tests__/loglevel.js b/tests_integration/__tests__/loglevel.js
index 24360e1ba..8aba3aaf0 100644
--- a/tests_integration/__tests__/loglevel.js
+++ b/tests_integration/__tests__/loglevel.js
@@ -1,7 +1,7 @@
 "use strict";
 
-const runPrettier = require("../runPrettier");
 const stripAnsi = require("strip-ansi");
+const runPrettier = require("../runPrettier");
 
 test("do not show logs with --loglevel silent", () => {
   runPrettierWithLogLevel("silent", null);
diff --git a/tests_integration/__tests__/patterns-dirs.js b/tests_integration/__tests__/patterns-dirs.js
index 0818ab93b..81dbb5089 100644
--- a/tests_integration/__tests__/patterns-dirs.js
+++ b/tests_integration/__tests__/patterns-dirs.js
@@ -1,5 +1,7 @@
 "use strict";
 
+const path = require("path");
+const fs = require("fs");
 const runPrettier = require("../runPrettier");
 
 expect.addSnapshotSerializer(require("../path-serializer"));
@@ -56,8 +58,6 @@ testPatterns("Exclude yarn.lock when expanding directories", ["."], {
   stdout: expect.not.stringContaining("yarn.lock"),
 });
 
-const path = require("path");
-const fs = require("fs");
 if (path.sep === "/") {
   // Don't use snapshots in these tests as they're conditionally executed on non-Windows only.
 
diff --git a/tests_integration/__tests__/plugin-options-string.js b/tests_integration/__tests__/plugin-options-string.js
index aa2547738..1c7f07f21 100644
--- a/tests_integration/__tests__/plugin-options-string.js
+++ b/tests_integration/__tests__/plugin-options-string.js
@@ -1,7 +1,7 @@
 "use strict";
 
-const runPrettier = require("../runPrettier");
 const snapshotDiff = require("snapshot-diff");
+const runPrettier = require("../runPrettier");
 
 describe("show external options with `--help`", () => {
   const originalStdout = runPrettier("plugins/options-string", ["--help"])
diff --git a/tests_integration/__tests__/plugin-options.js b/tests_integration/__tests__/plugin-options.js
index 1d47987c2..209bed0ac 100644
--- a/tests_integration/__tests__/plugin-options.js
+++ b/tests_integration/__tests__/plugin-options.js
@@ -1,7 +1,7 @@
 "use strict";
 
-const runPrettier = require("../runPrettier");
 const snapshotDiff = require("snapshot-diff");
+const runPrettier = require("../runPrettier");
 
 describe("show external options with `--help`", () => {
   const originalStdout = runPrettier("plugins/options", ["--help"]).stdout;
diff --git a/tests_integration/__tests__/with-parser-inference.js b/tests_integration/__tests__/with-parser-inference.js
index ecf3b2cde..43f7a0288 100644
--- a/tests_integration/__tests__/with-parser-inference.js
+++ b/tests_integration/__tests__/with-parser-inference.js
@@ -1,7 +1,7 @@
 "use strict";
 
-const runPrettier = require("../runPrettier");
 const prettier = require("prettier/local");
+const runPrettier = require("../runPrettier");
 
 describe("infers postcss parser", () => {
   runPrettier("cli/with-parser-inference", ["--end-of-line", "lf", "*"]).test({
diff --git a/website/.eslintrc.yml b/website/.eslintrc.yml
index b390ee898..853f35fd6 100644
--- a/website/.eslintrc.yml
+++ b/website/.eslintrc.yml
@@ -1,5 +1,8 @@
 extends:
   - plugin:react/recommended
+settings:
+  react:
+    version: "16"
 rules:
   import/no-extraneous-dependencies: off
   react/display-name: off
diff --git a/website/pages/en/index.js b/website/pages/en/index.js
index df8585211..b637d8e0f 100755
--- a/website/pages/en/index.js
+++ b/website/pages/en/index.js
@@ -2,8 +2,8 @@
 
 const React = require("react");
 const PropTypes = require("prop-types");
-const { MarkdownBlock, Container } = require("../../core/CompLibrary.js");
 const AnimatedLogo = require("@sandhose/prettier-animated-logo");
+const { MarkdownBlock, Container } = require("../../core/CompLibrary.js");
 
 const siteConfig = require(process.cwd() + "/siteConfig.js");
 
diff --git a/website/siteConfig.js b/website/siteConfig.js
index 5f4f86aed..b2b7f6484 100644
--- a/website/siteConfig.js
+++ b/website/siteConfig.js
@@ -2,9 +2,9 @@
 
 // Docs: https://docusaurus.io/docs/en/site-config.html
 
-const parseYaml = require("js-yaml").safeLoad;
 const path = require("path");
 const fs = require("fs");
+const parseYaml = require("js-yaml").safeLoad;
 
 const PACKAGE = require("../package");
 const GITHUB_URL = `https://github.com/${PACKAGE.repository}`;