Update prettier to 2.3.1 (#13460)

packages/babel-core/src/config/config-chain.ts

@@ -717,8 +717,10 @@ function normalizeOptions(opts: ValidatedOptions): ValidatedOptions {
 function dedupDescriptors(
   items: Array<UnloadedDescriptor>,
 ): Array<UnloadedDescriptor> {
-  const map: Map<Function, Map<string | void, { value: UnloadedDescriptor }>> =
-    new Map();
+  const map: Map<
+    Function,
+    Map<string | void, { value: UnloadedDescriptor }>
+  > = new Map();
 
   const descriptors = [];
 

packages/babel-core/src/config/full.ts

@@ -283,10 +283,14 @@ const makeDescriptorLoader = <Context, API>(
     return { value: item, options, dirname, alias };
   });
 
-const pluginDescriptorLoader =
-  makeDescriptorLoader<Context.SimplePlugin, PluginAPI>(makePluginAPI);
-const presetDescriptorLoader =
-  makeDescriptorLoader<Context.SimplePreset, PresetAPI>(makePresetAPI);
+const pluginDescriptorLoader = makeDescriptorLoader<
+  Context.SimplePlugin,
+  PluginAPI
+>(makePluginAPI);
+const presetDescriptorLoader = makeDescriptorLoader<
+  Context.SimplePreset,
+  PresetAPI
+>(makePresetAPI);
 
 /**
  * Instantiate a plugin for the given descriptor, returning the plugin/options pair.

packages/babel-plugin-transform-typescript/src/namespace.ts

@@ -68,9 +68,13 @@ function handleVariableDeclaration(
   }
   const { declarations } = node;
   if (
-    declarations.every((declarator): declarator is t.VariableDeclarator & {
-      id: t.Identifier;
-    } => t.isIdentifier(declarator.id))
+    declarations.every(
+      (
+        declarator,
+      ): declarator is t.VariableDeclarator & {
+        id: t.Identifier;
+      } => t.isIdentifier(declarator.id),
+    )
   ) {
     // `export const a = 1` transforms to `const a = N.a = 1`, the output
     // is smaller than `const a = 1; N.a = a`;