feat: add inNode

src/inNode.ts

@@ -0,0 +1,21 @@
+import isFunction from './isFunction'
+
+let isInNode: boolean | undefined
+
+/**
+ * 检查是否在 Node 环境中。
+ *
+ * @param [callback] 在 Node 环境中执行的回调
+ * @returns 是（true）或否（false）
+ */
+export default function inNode(callback?: () => void): boolean {
+  if (isInNode === undefined) {
+    isInNode = typeof process !== 'undefined' &&
+      process.versions != null &&
+      process.versions.node != null
+  }
+  if (isInNode && isFunction(callback)) {
+    callback()
+  }
+  return isInNode
+}

src/index.ts

@@ -16,6 +16,7 @@ export { default as get } from './get'
 export { default as getType } from './getType'
 export { default as has } from './has'
 export { default as inBrowser } from './inBrowser'
+export { default as inNode } from './inNode'
 export { default as inWechatMiniProgram } from './inWechatMiniProgram'
 export { default as inWechatWebview } from './inWechatWebview'
 export { default as isArray } from './isArray'

test/index.test.ts

@@ -1303,3 +1303,12 @@ describe('sample', () => {
     })
   })
 })
+
+describe('inNode', () => {
+  test('ok', () => {
+    expect(vtils.inNode()).toBeTruthy()
+    const cb = sinon.fake()
+    vtils.inNode(cb)
+    expect(cb.calledOnce).toBeTruthy()
+  })
+})