Migrate js src to ts

packages/jest-each/package.json

@@ -18,6 +18,7 @@
   "author": "Matt Phillips (mattphillips)",
   "license": "MIT",
   "dependencies": {
+    "@jest/types": "^24.1.0",
     "chalk": "^2.0.1",
     "jest-get-type": "^24.0.0",
     "jest-util": "^24.0.0",

packages/jest-each/src/bind.js → packages/jest-each/src/bind.ts

@@ -4,7 +4,6 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @flow
  */
 
 import util from 'util';
@@ -15,8 +14,8 @@ import {ErrorWithStack} from 'jest-util';
 
 type Table = Array<Array<any>>;
 type PrettyArgs = {
-  args: Array<mixed>,
-  title: string,
+  args: Array<any>;
+  title: string;
 };
 
 const EXPECTED_COLOR = chalk.green;
@@ -33,7 +32,7 @@ const PRIMITIVES = new Set([
 ]);
 
 export default (cb: Function, supportsDone: boolean = true) => (...args: any) =>
-  function eachBind(title: string, test: Function, timeout: number): void {
+  function eachBind(title: string, test: Function, timeout?: number): void {
     if (args.length === 1) {
       const [tableArg] = args;
 
@@ -129,19 +128,20 @@ export default (cb: Function, supportsDone: boolean = true) => (...args: any) =>
     );
   };
 
-const isTaggedTemplateLiteral = array => array.raw !== undefined;
-const isEmptyTable = table => table.length === 0;
-const isEmptyString = str => typeof str === 'string' && str.trim() === '';
+const isTaggedTemplateLiteral = (array: any) => array.raw !== undefined;
+const isEmptyTable = (table: Array<any>) => table.length === 0;
+const isEmptyString = (str: string) =>
+  typeof str === 'string' && str.trim() === '';
 
-const getPrettyIndexes = placeholders =>
-  placeholders.reduce((indexes, placeholder, index) => {
+const getPrettyIndexes = (placeholders: RegExpMatchArray) =>
+  placeholders.reduce((indexes: Array<number>, placeholder, index) => {
     if (placeholder === PRETTY_PLACEHOLDER) {
       indexes.push(index);
     }
     return indexes;
   }, []);
 
-const arrayFormat = (title, rowIndex, ...args) => {
+const arrayFormat = (title: string, rowIndex: number, ...args: Array<any>) => {
   const placeholders = title.match(SUPPORTED_PLACEHOLDERS) || [];
   const prettyIndexes = getPrettyIndexes(placeholders);
 
@@ -171,13 +171,15 @@ const arrayFormat = (title, rowIndex, ...args) => {
   );
 };
 
+type Done = () => {};
+
 const applyRestParams = (
   supportsDone: boolean,
   params: Array<any>,
   test: Function,
 ) =>
   supportsDone && params.length < test.length
-    ? done => test(...params, done)
+    ? (done: Done) => test(...params, done)
     : () => test(...params);
 
 const getHeadingKeys = (headings: string): Array<string> =>
@@ -197,10 +199,15 @@ const buildTable = (
       ),
     );
 
-const getMatchingKeyPaths = title => (matches, key) =>
-  matches.concat(title.match(new RegExp(`\\$${key}[\\.\\w]*`, 'g')) || []);
+const getMatchingKeyPaths = (title: string) => (
+  matches: Array<string>,
+  key: string,
+) => matches.concat(title.match(new RegExp(`\\$${key}[\\.\\w]*`, 'g')) || []);
 
-const replaceKeyPathWithValue = data => (title, match) => {
+const replaceKeyPathWithValue = (data: any) => (
+  title: string,
+  match: string,
+) => {
   const keyPath = match.replace('$', '').split('.');
   const value = getPath(data, keyPath);
   const valueType = getType(value);
@@ -217,12 +224,17 @@ const interpolate = (title: string, data: any) =>
     .reduce(replaceKeyPathWithValue(data), title);
 
 const applyObjectParams = (supportsDone: boolean, obj: any, test: Function) =>
-  supportsDone && test.length > 1 ? done => test(obj, done) : () => test(obj);
+  supportsDone && test.length > 1
+    ? (done: Done) => test(obj, done)
+    : () => test(obj);
 
 const pluralize = (word: string, count: number) =>
   word + (count === 1 ? '' : 's');
 
-const getPath = (o: Object, [head, ...tail]: Array<string>) => {
+const getPath = (
+  o: {[key: string]: any},
+  [head, ...tail]: Array<string>,
+): any => {
   if (!head || !o.hasOwnProperty || !o.hasOwnProperty(head)) return o;
   return getPath(o[head], tail);
 };

packages/jest-each/src/index.js → packages/jest-each/src/index.ts

@@ -4,29 +4,19 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @flow
  */
 
-import bind from './bind';
+type Global = NodeJS.Global;
 
-type GlobalCallbacks = {
-  test(title: string, test: Function): void,
-  xtest(title: string, test: Function): void,
-  it(title: string, test: Function): void,
-  fit(title: string, test: Function): void,
-  xit(title: string, test: Function): void,
-  describe(title: string, test: Function): void,
-  fdescribe(title: string, test: Function): void,
-  xdescribe(title: string, test: Function): void,
-};
+import bind from './bind';
 
-const install = (g: GlobalCallbacks, ...args: Array<mixed>) => {
-  const test = (title: string, test: Function, timeout: number) =>
+const install = (g: Global, ...args: Array<any>) => {
+  const test = (title: string, test: Function, timeout?: number) =>
     bind(g.test)(...args)(title, test, timeout);
   test.skip = bind(g.test.skip)(...args);
   test.only = bind(g.test.only)(...args);
 
-  const it = (title: string, test: Function, timeout: number) =>
+  const it = (title: string, test: Function, timeout?: number) =>
     bind(g.it)(...args)(title, test, timeout);
   it.skip = bind(g.it.skip)(...args);
   it.only = bind(g.it.only)(...args);
@@ -35,7 +25,7 @@ const install = (g: GlobalCallbacks, ...args: Array<mixed>) => {
   const fit = bind(g.fit)(...args);
   const xtest = bind(g.xtest)(...args);
 
-  const describe = (title: string, suite: Function, timeout: number) =>
+  const describe = (title: string, suite: Function, timeout?: number) =>
     bind(g.describe, false)(...args)(title, suite, timeout);
   describe.skip = bind(g.describe.skip, false)(...args);
   describe.only = bind(g.describe.only, false)(...args);
@@ -45,10 +35,9 @@ const install = (g: GlobalCallbacks, ...args: Array<mixed>) => {
   return {describe, fdescribe, fit, it, test, xdescribe, xit, xtest};
 };
 
-const each = (...args: Array<mixed>) => install(global, ...args);
+const each = (...args: Array<any>) => install(global, ...args);
 
-each.withGlobal = (g: GlobalCallbacks) => (...args: Array<mixed>) =>
-  install(g, ...args);
+each.withGlobal = (g: Global) => (...args: Array<any>) => install(g, ...args);
 
 export {bind};
 

packages/jest-each/tsconfig.json

@@ -6,6 +6,7 @@
   },
   "references": [
     {"path": "../jest-get-type"},
+    {"path": "../jest-types"},
     {"path": "../jest-util"},
     {"path": "../pretty-format"}
   ]