feat(utils): 新增 prepareData 准备数据

package.json

@@ -175,7 +175,7 @@
     "tree-tool": "1.1.8",
     "ts-essentials": "7.0.3",
     "type-fest": "2.7.0",
-    "typescript": "4.4.2",
+    "typescript": "^4.6.2",
     "typescript-snapshots-plugin": "1.7.0",
     "vscode-generate-index-standalone": "1.5.3",
     "yargs": "17.1.1"

src/utils/index.ts

@@ -68,6 +68,7 @@ export * from './pascalCase'
 export * from './pickStrict'
 export * from './placeKitten'
 export * from './pMap'
+export * from './prepareData'
 export * from './readFile'
 export * from './RichUrl'
 export * from './rot13'

src/utils/prepareData.test.ts

@@ -0,0 +1,20 @@
+import { expectType } from '../dev'
+import { prepareData } from './prepareData'
+
+describe('prepareData', () => {
+  test('ok', async () => {
+    const data = await prepareData({
+      x: 1,
+      y: Promise.resolve(Promise.resolve('y')),
+      z: null,
+    })
+    expectType<typeof data['x'], number>()
+    expectType<typeof data['y'], string>()
+    expectType<typeof data['z'], null>()
+    expect(data).toEqual({
+      x: 1,
+      y: 'y',
+      z: null,
+    })
+  })
+})

src/utils/prepareData.ts

@@ -0,0 +1,27 @@
+import { isPromiseLike } from './isPromiseLike'
+
+/**
+ * 准备数据。
+ *
+ * @param getter 数据源
+ */
+export function prepareData<T extends Record<string, any>>(
+  getter: T,
+): Promise<
+  {
+    [K in keyof T]: Awaited<T[K]>
+  }
+> {
+  return Promise.all<[string, any]>(
+    Object.keys(getter).map(key =>
+      isPromiseLike(getter[key])
+        ? getter[key].then((value: any) => [key, value])
+        : [key, getter[key]],
+    ),
+  ).then<any>(list =>
+    list.reduce<any>((res, item) => {
+      res[item[0]] = item[1]
+      return res
+    }, {}),
+  )
+}

yarn.lock

@@ -9155,11 +9155,16 @@ [email protected]:
   resolved "https://registry.nlark.com/typescript-snapshots-plugin/download/typescript-snapshots-plugin-1.7.0.tgz#14c7699381e2244a37e4273a68fd11fd2bb480a9"
   integrity sha1-FMdpk4HiJEo35Cc6aP0R/Su0gKk=
 
-typescript@4.4.2, typescript@^4.3.5, typescript@~4.3.5:
+typescript@^4.3.5, typescript@~4.3.5:
   version "4.4.2"
   resolved "https://registry.nlark.com/typescript/download/typescript-4.4.2.tgz#6d618640d430e3569a1dfb44f7d7e600ced3ee86"
   integrity sha1-bWGGQNQw41aaHftE99fmAM7T7oY=
 
+typescript@^4.6.2:
+  version "4.6.2"
+  resolved "https://registry.npmmirror.com/typescript/-/typescript-4.6.2.tgz#fe12d2727b708f4eef40f51598b3398baa9611d4"
+  integrity sha512-HM/hFigTBHZhLXshn9sN37H085+hQGeJHJ/X7LpBWLID/fbc2acUMfU+lGD98X81sKP+pFa9f0DZmCwB9GnbAg==
+
 uglify-js@^3.1.4:
   version "3.14.1"
   resolved "https://registry.nlark.com/uglify-js/download/uglify-js-3.14.1.tgz?cache=0&sync_timestamp=1627379850568&other_urls=https%3A%2F%2Fregistry.nlark.com%2Fuglify-js%2Fdownload%2Fuglify-js-3.14.1.tgz#e2cb9fe34db9cb4cf7e35d1d26dfea28e09a7d06"