chore: fix types

CHANGELOG.md

@@ -4,6 +4,8 @@
 
 * `[babel-jest]` Revert "Remove retainLines from babel-jest"
   ([#5496](https://github.com/facebook/jest/pull/5496))
+* `[jest-docblock]` Support multiple of the same `@pragma`.
+  ([#5154](https://github.com/facebook/jest/pull/5502))
 
 ### Features
 

packages/jest-docblock/src/__tests__/index.test.js

@@ -140,6 +140,26 @@ describe('docblock', () => {
     });
   });
 
+  it('parses >=3 of the same directives out of a docblock', () => {
+    const code =
+      '/**' +
+      os.EOL +
+      '' +
+      ' * @x foo' +
+      os.EOL +
+      '' +
+      ' * @x bar' +
+      os.EOL +
+      '' +
+      ' * @x baz' +
+      os.EOL +
+      '' +
+      ' */';
+    expect(docblock.parse(code)).toEqual({
+      x: ['foo', 'bar', 'baz'],
+    });
+  });
+
   it('parses directives out of a docblock with comments', () => {
     const code =
       '/**' +
@@ -433,7 +453,6 @@ describe('docblock', () => {
         ' */',
     );
   });
-
   it('prints docblocks with pragmas', () => {
     const pragmas = {
       flow: 'foo',

packages/jest-docblock/src/index.js

@@ -10,6 +10,8 @@
 import detectNewline from 'detect-newline';
 import {EOL} from 'os';
 
+type Pragmas = {[key: string]: string | string[], __proto__: null};
+
 const commentEndRe = /\*\/$/;
 const commentStartRe = /^\/\*\*/;
 const docblockRe = /^\s*(\/\*\*?(.|\r?\n)*?\*\/)/;
@@ -31,15 +33,13 @@ export function strip(contents: string) {
   return match && match[0] ? contents.substring(match[0].length) : contents;
 }
 
-export function parse(
-  docblock: string,
-): {[key: string]: string, __proto__: null} {
+export function parse(docblock: string): Pragmas {
   return parseWithComments(docblock).pragmas;
 }
 
 export function parseWithComments(
   docblock: string,
-): {comments: string, pragmas: {[key: string]: string, __proto__: null}} {
+): {comments: string, pragmas: Pragmas} {
   const line = detectNewline(docblock) || EOL;
 
   docblock = docblock
@@ -82,7 +82,7 @@ export function print({
   pragmas = {},
 }: {
   comments?: string,
-  pragmas?: {[key: string]: string, __proto__: null},
+  pragmas?: Pragmas,
   __proto__: null,
 }): string {
   const line = detectNewline(comments) || EOL;
@@ -103,7 +103,8 @@ export function print({
       return '';
     }
     if (keys.length === 1 && !Array.isArray(pragmas[keys[0]])) {
-      return `${head} ${printKeyValues(keys[0], pragmas[keys[0]])}${tail}`;
+      const value = pragmas[keys[0]];
+      return `${head} ${printKeyValues(keys[0], value)[0]}${tail}`;
     }
   }