isPromise() — vue Function Reference

Architecture documentation for the isPromise() function in util.ts from the vue codebase.

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Dependency Diagram

graph TD
  217ad03c_63ee_50df_35b4_38fbc8b99b73["isPromise()"]
  672bd90b_9403_b6bf_f187_b5f0805970e0["invokeWithErrorHandling()"]
  672bd90b_9403_b6bf_f187_b5f0805970e0 -->|calls| 217ad03c_63ee_50df_35b4_38fbc8b99b73
  2be3818d_a4f3_495c_543c_ee071b428982["isDef()"]
  217ad03c_63ee_50df_35b4_38fbc8b99b73 -->|calls| 2be3818d_a4f3_495c_543c_ee071b428982
  style 217ad03c_63ee_50df_35b4_38fbc8b99b73 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/shared/util.ts lines 78–84

export function isPromise(val: any): val is Promise<any> {
  return (
    isDef(val) &&
    typeof val.then === 'function' &&
    typeof val.catch === 'function'
  )
}