Use @flow in libdefs

Reviewed By: mroch

Differential Revision: D29552345

fbshipit-source-id: d123578c32d0d5357c3fd409c1d9bd08000f9fd3

lib/.flowconfig

@@ -0,0 +1,12 @@
+[ignore]
+
+[include]
+
+[libs]
+./
+
+[lints]
+
+[options]
+
+[strict]

lib/bom.js

@@ -3,6 +3,8 @@
  *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
  */
 
 /* BOM */

lib/core.js

@@ -16,6 +16,8 @@
  * MERCHANTABLITY OR NON-INFRINGEMENT.
  * See the Apache Version 2.0 License for specific language governing permissions
  * and limitations under the License.
+ *
+ * @flow
  */
 // @lint-ignore-every LICENSELINT
 

lib/cssom.js

@@ -3,6 +3,8 @@
  *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
  */
 
 declare class StyleSheet {

lib/dom.js

@@ -16,6 +16,8 @@
  * MERCHANTABLITY OR NON-INFRINGEMENT.
  * See the Apache Version 2.0 License for specific language governing permissions
  * and limitations under the License.
+ *
+ * @flow
  */
 // @lint-ignore-every LICENSELINT
 

lib/indexeddb.js

@@ -3,6 +3,8 @@
  *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
  */
 
 // Implemented by window & worker

lib/intl.js

@@ -3,6 +3,8 @@
  *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
  */
 
 declare var Intl: {

lib/node.js

@@ -3,6 +3,8 @@
  *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
  */
 
 interface ErrnoError extends Error {

lib/react-dom.js

@@ -6,6 +6,7 @@
  *
  * @nolint
  * @format
+ * @flow
  */
 
 // The react-dom, react-dom/server and react-dom/test-utils modules were moved to flow-typed.

lib/react.js

@@ -3,6 +3,8 @@
  *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
  */
 
 /**

lib/serviceworkers.js

@@ -3,6 +3,8 @@
  *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
  */
 
 type FrameType = 'auxiliary' | 'top-level' | 'nested' | 'none';

lib/streams.js

@@ -3,6 +3,8 @@
  *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
  */
 
 type TextEncodeOptions = { options?: boolean, ... };

lib/webassembly.js

@@ -3,6 +3,8 @@
  *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
  */
 
 // https://github.com/WebAssembly/design/blob/master/JS.md

newtests/array_literal_tuple_spread/test.js

@@ -317,8 +317,8 @@ export default (suite(({addFile, addFiles, addCode}) => [
             3: const arr: Array<number> = [..."hello"];
                                           ^^^^^^^^^^^^ Cannot assign array literal to \`arr\` because string [1] is incompatible with number [2] in array element. [incompatible-type]
             References:
-            1078:     @@iterator(): Iterator<string>;
-                                             ^^^^^^ [1]. See lib: [LIB] core.js:1078
+            1080:     @@iterator(): Iterator<string>;
+                                             ^^^^^^ [1]. See lib: [LIB] core.js:1080
               3: const arr: Array<number> = [..."hello"];
                                   ^^^^^^ [2]
         `,

newtests/tuples/test.js

@@ -103,8 +103,8 @@ export default (suite(({addFile, addFiles, addCode}) => [
             6:           readOnlyRef.push(123);
                                      ^^^^ Cannot call \`readOnlyRef.push\` because property \`push\` is missing in \`$ReadOnlyArray\` [1]. [prop-missing]
             References:
-            748:     forEach<This>(callbackfn: (this : This, value: T, index: number, array: $ReadOnlyArray<T>) => mixed, thisArg: This): void;
-                                                                                             ^^^^^^^^^^^^^^^^^ [1]. See lib: [LIB] core.js:748
+            750:     forEach<This>(callbackfn: (this : This, value: T, index: number, array: $ReadOnlyArray<T>) => mixed, thisArg: This): void;
+                                                                                             ^^^^^^^^^^^^^^^^^ [1]. See lib: [LIB] core.js:750
 
           test.js:7
             7:           (readOnlyRef[0]: 1);

tests/arraylib/arraylib.exp

@@ -316,8 +316,8 @@ Cannot assign `arr3.flat(...)` to `result3_2` because mixed [1] is incompatible
                                          ^^^^^^^^^^^^
 
 References:
-   <BUILTINS>/core.js:813:32
-   813|     flat(depth: number): Array<mixed>;
+   <BUILTINS>/core.js:815:32
+   815|     flat(depth: number): Array<mixed>;
                                        ^^^^^ [1]
    flat.js:22:24
     22| const result3_2: Array<number> = arr3.flat(2); // Error - don't support this
@@ -334,8 +334,8 @@ Cannot assign `arr2.flat(...)` to `result2_6` because mixed [1] is incompatible
                                          ^^^^^^^^^^^^
 
 References:
-   <BUILTINS>/core.js:813:32
-   813|     flat(depth: number): Array<mixed>;
+   <BUILTINS>/core.js:815:32
+   815|     flat(depth: number): Array<mixed>;
                                        ^^^^^ [1]
    flat.js:27:24
     27| const result2_6: Array<number> = arr2.flat(x); // Error - don't support this

tests/arrows/arrows.exp

@@ -42,8 +42,8 @@ return value. [incompatible-call]
                                             ^^^^^^^^^^^^^^^^^^^^^^^^ [1]
 
 References:
-   <BUILTINS>/core.js:1005:38
-   1005|     sort(compareFn?: (a: T, b: T) => number): Array<T>;
+   <BUILTINS>/core.js:1007:38
+   1007|     sort(compareFn?: (a: T, b: T) => number): Array<T>;
                                               ^^^^^^ [2]
 
 

tests/async/async.exp

@@ -10,8 +10,8 @@ References:
    async.js:11:30
      11| async function f1(): Promise<bool> {
                                       ^^^^ [2]
-   <BUILTINS>/core.js:1807:24
-   1807| declare class Promise<+R> {
+   <BUILTINS>/core.js:1809:24
+   1809| declare class Promise<+R> {
                                 ^ [3]
 
 
@@ -31,8 +31,8 @@ References:
    async.js:30:48
      30| async function f4(p: Promise<number>): Promise<bool> {
                                                         ^^^^ [2]
-   <BUILTINS>/core.js:1807:24
-   1807| declare class Promise<+R> {
+   <BUILTINS>/core.js:1809:24
+   1809| declare class Promise<+R> {
                                 ^ [3]
 
 
@@ -99,8 +99,8 @@ undefined in type argument `R` [2]. [incompatible-return]
                      ^^^^^^ [1]
 
 References:
-   <BUILTINS>/core.js:1807:24
-   1807| declare class Promise<+R> {
+   <BUILTINS>/core.js:1809:24
+   1809| declare class Promise<+R> {
                                 ^ [2]
 
 
@@ -134,8 +134,8 @@ References:
    async_return_void.js:3:32
       3| async function foo1(): Promise<string> {
                                         ^^^^^^ [2]
-   <BUILTINS>/core.js:1807:24
-   1807| declare class Promise<+R> {
+   <BUILTINS>/core.js:1809:24
+   1809| declare class Promise<+R> {
                                 ^ [3]
 
 
@@ -152,8 +152,8 @@ References:
    async_return_void.js:7:32
       7| async function foo2(): Promise<string> {
                                         ^^^^^^ [2]
-   <BUILTINS>/core.js:1807:24
-   1807| declare class Promise<+R> {
+   <BUILTINS>/core.js:1809:24
+   1809| declare class Promise<+R> {
                                 ^ [3]
 
 
@@ -173,8 +173,8 @@ References:
    async_return_void.js:11:32
      11| async function foo3(): Promise<string> {
                                         ^^^^^^ [2]
-   <BUILTINS>/core.js:1807:24
-   1807| declare class Promise<+R> {
+   <BUILTINS>/core.js:1809:24
+   1809| declare class Promise<+R> {
                                 ^ [3]
 
 

tests/async_iteration/async_iteration.exp

@@ -109,8 +109,8 @@ Cannot cast `result.value` to string because undefined [1] is incompatible with
               ^^^^^^^^^^^^
 
 References:
-   <BUILTINS>/core.js:1633:14
-   1633|     +value?: Return,
+   <BUILTINS>/core.js:1635:14
+   1635|     +value?: Return,
                       ^^^^^^ [1]
    return.js:20:20
      20|     (result.value: string); // error: number | void ~> string

tests/automatic_require_default/automatic_require_default.exp

@@ -7,8 +7,8 @@ Cannot get `Default.T` because property `T` is missing in `Number` [1]. [prop-mi
                      ^
 
 References:
-   <BUILTINS>/core.js:372:15
-   372| declare class Number {
+   <BUILTINS>/core.js:374:15
+   374| declare class Number {
                       ^^^^^^ [1]
 
 
@@ -21,8 +21,8 @@ Cannot get `React.NotAType` because property `NotAType` is missing in module `re
                     ^^^^^^^^
 
 References:
-   <BUILTINS>/react.js:467:27
-   467|   declare module.exports: $Exports<'react'>;
+   <BUILTINS>/react.js:469:27
+   469|   declare module.exports: $Exports<'react'>;
                                   ^^^^^^^^^^^^^^^^^ [1]