init

uni_modules/nutui-uni/components/_utils/interceptor.ts

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+import { isPromise } from './is'
+
+export type Interceptor = (...args: any[]) => Promise<boolean> | boolean | undefined | void
+
+export function funInterceptor(interceptor: Interceptor | undefined, {
+  args = [],
+  done,
+  canceled,
+}: {
+  args?: unknown[]
+  done: (val?: any) => void
+  canceled?: () => void
+}) {
+  if (interceptor) {
+    const returnVal = interceptor(null, ...args)
+
+    if (isPromise(returnVal)) {
+      returnVal
+        .then((value) => {
+          if (value)
+            done(value)
+          else if (canceled)
+            canceled()
+        })
+        .catch(() => {})
+    }
+    else if (returnVal) {
+      done()
+    }
+    else if (canceled) {
+      canceled()
+    }
+  }
+  else {
+    done()
+  }
+}