diff --git a/packages/babel-parser/test/fixtures/core/opts/allowAwaitOutsideFunction-false/options.json b/packages/babel-parser/test/fixtures/core/opts/allowAwaitOutsideFunction-false/options.json
index 01bcb0a20e..40babbccd7 100644
--- a/packages/babel-parser/test/fixtures/core/opts/allowAwaitOutsideFunction-false/options.json
+++ b/packages/babel-parser/test/fixtures/core/opts/allowAwaitOutsideFunction-false/options.json
@@ -1,3 +1,3 @@
 {
   "throws": "Unexpected token, expected \"(\" (1:4)"
-}
\ No newline at end of file
+}
diff --git a/packages/babel-parser/test/fixtures/es2015/let/let-as-identifier-strict-fail/options.json b/packages/babel-parser/test/fixtures/es2015/let/let-as-identifier-strict-fail/options.json
index 8773675903..11643dc9d9 100644
--- a/packages/babel-parser/test/fixtures/es2015/let/let-as-identifier-strict-fail/options.json
+++ b/packages/babel-parser/test/fixtures/es2015/let/let-as-identifier-strict-fail/options.json
@@ -1,3 +1,3 @@
 {
   "throws": "let is a reserved word in strict mode (2:0)"
-}
\ No newline at end of file
+}
diff --git a/packages/babel-parser/test/fixtures/es2015/yield/in-iterator-stmt/options.json b/packages/babel-parser/test/fixtures/es2015/yield/in-iterator-stmt/options.json
index 518b8850b1..ad46a65e50 100644
--- a/packages/babel-parser/test/fixtures/es2015/yield/in-iterator-stmt/options.json
+++ b/packages/babel-parser/test/fixtures/es2015/yield/in-iterator-stmt/options.json
@@ -1,3 +1,3 @@
 {
   "throws": "Invalid left-hand side in for-in statement (2:7)"
-}
\ No newline at end of file
+}
diff --git a/packages/babel-plugin-proposal-pipeline-operator/test/fixtures/smart/await/options.json b/packages/babel-plugin-proposal-pipeline-operator/test/fixtures/smart/await/options.json
index 30284fbe70..1f14d22a2c 100644
--- a/packages/babel-plugin-proposal-pipeline-operator/test/fixtures/smart/await/options.json
+++ b/packages/babel-plugin-proposal-pipeline-operator/test/fixtures/smart/await/options.json
@@ -1,6 +1,4 @@
 {
   "throws": "await is not supported inside pipeline expressions yet",
-  "plugins": [
-    ["proposal-pipeline-operator", { "proposal": "smart" }]
-  ]
+  "plugins": [["proposal-pipeline-operator", { "proposal": "smart" }]]
 }
diff --git a/packages/babel-plugin-proposal-pipeline-operator/test/fixtures/smart/options.json b/packages/babel-plugin-proposal-pipeline-operator/test/fixtures/smart/options.json
index 12164b3acf..ffe4feed49 100644
--- a/packages/babel-plugin-proposal-pipeline-operator/test/fixtures/smart/options.json
+++ b/packages/babel-plugin-proposal-pipeline-operator/test/fixtures/smart/options.json
@@ -1,5 +1,3 @@
 {
-  "plugins": [
-    ["proposal-pipeline-operator", { "proposal": "smart" }]
-  ]
+  "plugins": [["proposal-pipeline-operator", { "proposal": "smart" }]]
 }
diff --git a/packages/babel-plugin-proposal-pipeline-operator/test/fixtures/smart/yield/options.json b/packages/babel-plugin-proposal-pipeline-operator/test/fixtures/smart/yield/options.json
index 2cc7af6c04..78feddd16e 100644
--- a/packages/babel-plugin-proposal-pipeline-operator/test/fixtures/smart/yield/options.json
+++ b/packages/babel-plugin-proposal-pipeline-operator/test/fixtures/smart/yield/options.json
@@ -1,6 +1,4 @@
 {
   "throws": "yield is not supported inside pipeline expressions yet",
-  "plugins": [
-    ["proposal-pipeline-operator", { "proposal": "smart" }]
-  ]
+  "plugins": [["proposal-pipeline-operator", { "proposal": "smart" }]]
 }
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-jsx-pragma-no/options.json b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-jsx-pragma-no/options.json
index 3a7f4c0405..2c7aa7bce2 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-jsx-pragma-no/options.json
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/imports/elide-jsx-pragma-no/options.json
@@ -1,4 +1,3 @@
 {
-    "plugins": [["transform-typescript", { "isTSX": true }]]
+  "plugins": [["transform-typescript", { "isTSX": true }]]
 }
-  
\ No newline at end of file
diff --git a/packages/babel-preset-env/scripts/build-data.js b/packages/babel-preset-env/scripts/build-data.js
index 3706d8148a..eb83caa1a0 100644
--- a/packages/babel-preset-env/scripts/build-data.js
+++ b/packages/babel-preset-env/scripts/build-data.js
@@ -54,15 +54,15 @@ const byTestSuite = suite => browser => {
     : true;
 };
 
-const compatSources = ["es5", "es6", "es2016plus", "esnext"].reduce(
-  (result, source) => {
-    const data = require(`compat-table/data-${source}`);
-    data.browsers = pickBy(envs, byTestSuite(source));
-    result.push(data);
-    return result;
-  },
-  []
-);
+const compatSources = ["es5", "es6", "es2016plus", "esnext"].reduce((
+  result,
+  source
+) => {
+  const data = require(`compat-table/data-${source}`);
+  data.browsers = pickBy(envs, byTestSuite(source));
+  result.push(data);
+  return result;
+}, []);
 
 const interpolateAllResults = (rawBrowsers, tests) => {
   const interpolateResults = res => {
diff --git a/scripts/generators/readmes.js b/scripts/generators/readmes.js
index fd0cc7f3c4..add3d045c1 100644
--- a/scripts/generators/readmes.js
+++ b/scripts/generators/readmes.js
@@ -20,8 +20,12 @@ const getIssueLabelLink = l =>
   `https://github.com/babel/babel/issues?utf8=%E2%9C%93&q=is%3Aissue+label%3A%22${encodeURIComponent(
     l
   )}%22+is%3Aopen`;
-const getNpmInstall = name => `npm install ${packagesInstalledToDep.includes(name) ? "--save" : "--save-dev"} ${name}`;
-const getYarnAdd = name => `yarn add ${name} ${packagesInstalledToDep.includes(name) ? "" : "--dev"}`;
+const getNpmInstall = name =>
+  `npm install ${
+    packagesInstalledToDep.includes(name) ? "--save" : "--save-dev"
+  } ${name}`;
+const getYarnAdd = name =>
+  `yarn add ${name} ${packagesInstalledToDep.includes(name) ? "" : "--dev"}`;
 
 const labels = {
   "babel-preset-flow": getIssueLabelLink("area: flow"),