chore: apply Prettier's new formatting

build/logic/generate.ts

@@ -18,7 +18,7 @@ export function generate(
   tsLibDir: string,
   targetFile: string,
   sourceFile: string,
-  { emitOriginalAsComment = false, emitNoDefaultLib = false }: GenerateOptions
+  { emitOriginalAsComment = false, emitNoDefaultLib = false }: GenerateOptions,
 ): string | undefined {
   const tsLibFile = path.join(tsLibDir, sourceFile);
   const originalProgram = ts.createProgram([tsLibFile], {});
@@ -60,7 +60,7 @@ export function generate(
     if (!ts.isInterfaceDeclaration(statement)) {
       // Find the replacement target of same kind.
       const replacementTargetOfSameKind = replacementTarget.flatMap((target) =>
-        target.type === "non-interface" ? [target] : []
+        target.type === "non-interface" ? [target] : [],
       );
       if (replacementTargetOfSameKind.length === 0) {
         result += statement.getFullText(originalFile);
@@ -79,7 +79,7 @@ export function generate(
       continue;
     }
     const replaceInterfaces = replacementTarget.flatMap((target) =>
-      target.type === "interface" ? [target] : []
+      target.type === "interface" ? [target] : [],
     );
     if (
       replaceInterfaces.some(
@@ -88,8 +88,8 @@ export function generate(
             statement,
             originalFile,
             target.originalStatement,
-            target.sourceFile
-          )
+            target.sourceFile,
+          ),
       )
     ) {
       // This needs to be a full replacement
@@ -197,7 +197,7 @@ type ReplacementTarget = (
  */
 function scanBetterFile(
   printer: ts.Printer,
-  targetFile: string
+  targetFile: string,
 ): Map<string, ReplacementTarget[]> {
   const replacementTargets = new Map<string, ReplacementTarget[]>();
   {
@@ -224,7 +224,7 @@ function scanBetterFile(
               const memberName = member.name?.getText(betterFile) ?? "";
               upsert(members, memberName, (members = []) => {
                 const leadingSpacesMatch = /^\s*/.exec(
-                  member.getFullText(betterFile)
+                  member.getFullText(betterFile),
                 );
                 const leadingSpaces =
                   leadingSpacesMatch !== null ? leadingSpacesMatch[0] : "";
@@ -235,7 +235,7 @@ function scanBetterFile(
                     printer.printNode(
                       ts.EmitHint.Unspecified,
                       member,
-                      betterFile
+                      betterFile,
                     ),
                 });
                 return members;
@@ -274,7 +274,7 @@ function isPartialReplacement(
   interfaceDecl: ts.InterfaceDeclaration,
   originalFile: ts.SourceFile,
   replacementDecl: ts.InterfaceDeclaration,
-  betterFile: ts.SourceFile
+  betterFile: ts.SourceFile,
 ): boolean {
   // Compare type parameters and herigate using full text.
   if (
@@ -334,7 +334,7 @@ function printInterface(
   printer: ts.Printer,
   originalNode: ts.InterfaceDeclaration,
   members: readonly { text: string }[],
-  originalSourceFile: ts.SourceFile
+  originalSourceFile: ts.SourceFile,
 ): string {
   let result = originalNode
     .getFullText(originalSourceFile)
@@ -343,27 +343,27 @@ function printInterface(
     result += printer.printNode(
       ts.EmitHint.Unspecified,
       mod,
-      originalSourceFile
+      originalSourceFile,
     );
   }
   result += "interface ";
   result += printer.printNode(
     ts.EmitHint.Unspecified,
     originalNode.name,
-    originalSourceFile
+    originalSourceFile,
   );
   if (originalNode.typeParameters) {
     result += printer.printList(
       ts.ListFormat.TypeParameters,
       originalNode.typeParameters,
-      originalSourceFile
+      originalSourceFile,
     );
   }
   if (originalNode.heritageClauses) {
     result += printer.printList(
       ts.ListFormat.HeritageClauses,
       originalNode.heritageClauses,
-      originalSourceFile
+      originalSourceFile,
     );
   }
   result += "{\n";
@@ -402,7 +402,7 @@ function commentOut(code: string): string {
 
 function replaceAliases(
   statement: ts.Statement,
-  typeMap: Map<string, string>
+  typeMap: Map<string, string>,
 ): ts.Statement {
   if (typeMap.size === 0) return statement;
   return ts.transform(statement, [
@@ -416,7 +416,7 @@ function replaceAliases(
           return ts.factory.updateTypeReferenceNode(
             node,
             ts.factory.createIdentifier(replacementType),
-            node.typeArguments
+            node.typeArguments,
           );
         }
         return ts.visitEachChild(node, visitor, context);

build/logic/getLibFiles.ts

@@ -18,6 +18,6 @@ export const getLibFiles = async () => {
       const sourceFile = `${lib}.d.ts`;
       const targetFile = paths[lib] || `lib.${sourceFile}`;
       return [targetFile, sourceFile];
-    })
+    }),
   );
 };

build/package.ts

@@ -22,7 +22,7 @@ async function main() {
   const packageTemplateFiles = await readdir(templateDir);
 
   const libFiles = (await readdir(libDir)).filter((libFile) =>
-    /\.d\.ts$/.test(libFile)
+    /\.d\.ts$/.test(libFile),
   );
 
   const packageNames = new Set<string>();
@@ -49,7 +49,7 @@ async function main() {
       const packageJsonPath = path.join(
         packageDir,
         packageName,
-        "package.json"
+        "package.json",
       );
       await writeToPackageJson(packageJsonPath, () => ({
         name: toScopedPackageName(packageName),
@@ -73,7 +73,7 @@ async function main() {
     // copy root README to main package
     await writeFile(
       path.join(mainPackageDir, "README.md"),
-      await readFile(path.join(projectDir, "README.md"))
+      await readFile(path.join(projectDir, "README.md")),
     );
     // update package.json
     const packageJsonPath = path.join(mainPackageDir, "package.json");
@@ -85,13 +85,13 @@ async function main() {
         [...packageNames].map((packageName) => [
           `@typescript/lib-${packageName}`,
           `npm:${toScopedPackageName(packageName)}@${version}`,
-        ])
+        ]),
       ),
     }));
     // prepare symlink to dist
     await symlink(
       path.join(projectDir, "dist"),
-      path.join(mainPackageDir, "dist")
+      path.join(mainPackageDir, "dist"),
     );
   }
   // update package.json in "tests" folder
@@ -105,9 +105,9 @@ async function main() {
             `@typescript/lib-${packageName}`,
             `file:${path.relative(
               path.dirname(packageJsonPath),
-              path.join(packageDir, packageName)
+              path.join(packageDir, packageName),
             )}`,
-          ])
+          ]),
         ),
       },
     }));
@@ -119,12 +119,12 @@ async function main() {
         const filePath = path.join(templateDir, file);
         const targetPath = path.join(dir, file);
         return writeFile(targetPath, await readFile(filePath));
-      })
+      }),
     );
   }
   async function writeToPackageJson(
     packageJsonPath: string,
-    updates: (original: any) => Record<string, unknown>
+    updates: (original: any) => Record<string, unknown>,
   ) {
     const original = JSON.parse(await readFile(packageJsonPath, "utf-8"));
     return writeFile(
@@ -135,8 +135,8 @@ async function main() {
           ...updates(original),
         },
         null,
-        2
-      ) + "\n"
+        2,
+      ) + "\n",
     );
   }
   function toScopedPackageName(packageName: string) {

build/util/alias.ts

@@ -27,7 +27,7 @@ export const alias = new Map(
             [originalType, replacement],
             [`${originalType}Constructor`, `${replacement}Constructor`],
           ]),
-        ])
+        ]),
       ),
     ],
     [
@@ -39,8 +39,8 @@ export const alias = new Map(
             [originalType, replacement],
             [`${originalType}Constructor`, `${replacement}Constructor`],
           ]),
-        ])
+        ]),
       ),
     ],
-  ])
+  ]),
 );

build/util/upsert.ts

@@ -1,7 +1,7 @@
 export function upsert<K, V>(
   map: Map<K, V>,
   key: K,
-  update: (value: V | undefined) => V
+  update: (value: V | undefined) => V,
 ) {
   const value = map.get(key);
   map.set(key, update(value));

lib/lib.es2015.collection.d.ts

@@ -4,7 +4,7 @@ interface Map<K, V> {
    */
   forEach<This = undefined>(
     callbackfn: (this: This, value: V, key: K, map: this) => void,
-    thisArg?: This
+    thisArg?: This,
   ): void;
 }
 
@@ -15,15 +15,15 @@ interface MapConstructor {
 
 interface WeakMapConstructor {
   new <K extends WeakKey, V>(
-    entries?: readonly (readonly [K, V])[] | null
+    entries?: readonly (readonly [K, V])[] | null,
   ): WeakMap<K, V>;
   readonly prototype: WeakMap<WeakKey, unknown>;
 }
 
 interface ReadonlyMap<K, V> {
   forEach<This = undefined>(
     callbackfn: (this: This, value: V, key: K, map: this) => void,
-    thisArg?: This
+    thisArg?: This,
   ): void;
 }
 
@@ -33,7 +33,7 @@ interface Set<T> {
    */
   forEach<This = undefined>(
     callbackfn: (this: This, value: T, value2: T, set: this) => void,
-    thisArg?: This
+    thisArg?: This,
   ): void;
 }
 
@@ -45,6 +45,6 @@ interface SetConstructor {
 interface ReadonlySet<T> {
   forEach<This = undefined>(
     callbackfn: (this: This, value: T, value2: T, set: this) => void,
-    thisArg?: This
+    thisArg?: This,
   ): void;
 }

lib/lib.es2015.core.d.ts

@@ -10,7 +10,7 @@ interface Array<T> {
    */
   find<S extends T, This = undefined>(
     predicate: (this: This, value: T, index: number, obj: this) => value is S,
-    thisArg?: This
+    thisArg?: This,
   ): S | undefined;
 
   /**
@@ -24,7 +24,7 @@ interface Array<T> {
    */
   find<This = undefined>(
     predicate: (this: This, value: T, index: number, obj: this) => boolean,
-    thisArg?: This
+    thisArg?: This,
   ): T | undefined;
 
   /**
@@ -38,7 +38,7 @@ interface Array<T> {
    */
   findIndex<This = undefined>(
     predicate: (this: This, value: T, index: number, obj: this) => boolean,
-    thisArg?: This
+    thisArg?: This,
   ): number;
 }
 
@@ -58,7 +58,7 @@ interface ArrayConstructor {
   from<T, U, This = undefined>(
     source: ArrayLike<T>,
     mapfn: (this: This, v: T, k: number) => U,
-    thisArg?: This
+    thisArg?: This,
   ): U[];
 }
 
@@ -114,7 +114,7 @@ interface ReadonlyArray<T> {
    */
   find<S extends T, This = undefined>(
     predicate: (this: This, value: T, index: number, obj: this) => value is S,
-    thisArg?: This
+    thisArg?: This,
   ): S | undefined;
 
   /**
@@ -128,7 +128,7 @@ interface ReadonlyArray<T> {
    */
   find<This = undefined>(
     predicate: (this: This, value: T, index: number, obj: this) => boolean,
-    thisArg?: This
+    thisArg?: This,
   ): T | undefined;
 
   /**
@@ -142,7 +142,7 @@ interface ReadonlyArray<T> {
    */
   findIndex<This = undefined>(
     predicate: (this: This, value: T, index: number, obj: this) => boolean,
-    thisArg?: This
+    thisArg?: This,
   ): number;
 }
 

lib/lib.es2015.iterable.d.ts

@@ -25,7 +25,7 @@ interface ArrayConstructor {
   from<T, U, This = undefined>(
     iterable: Iterable<T> | ArrayLike<T>,
     mapfn: (this: This, v: T, k: number) => U,
-    thisArg?: This
+    thisArg?: This,
   ): U[];
 }
 
@@ -71,6 +71,6 @@ interface TypedNumberArrayConstructor {
   from<T, This = undefined>(
     iterable: Iterable<T> | ArrayLike<T>,
     mapfn: (this: This, v: T, k: number) => number,
-    thisArg?: This
+    thisArg?: This,
   ): TypedNumberArray;
 }

lib/lib.es2015.promise.d.ts

@@ -10,8 +10,8 @@ interface PromiseConstructor {
       resolve: undefined extends T
         ? (value?: T | PromiseLike<T>) => void
         : (value: T | PromiseLike<T>) => void,
-      reject: (reason?: any) => void
-    ) => void
+      reject: (reason?: any) => void,
+    ) => void,
   ): Promise<T>;
 
   /**