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isDef() — vue Function Reference

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

Function typescript CompilerSFC StyleProcessor called by 1

Entity Profile

Dependency Diagram

graph TD
  2164af59_2c6f_7bb7_5f66_04b09561d066["isDef()"]
  ce303fd5_0a15_37d7_872a_d1ca73ec7f6a["util.ts"]
  2164af59_2c6f_7bb7_5f66_04b09561d066 -->|defined in| ce303fd5_0a15_37d7_872a_d1ca73ec7f6a
  eaeda550_ab74_2cc7_4d0b_77233cb73a70["isPromise()"]
  eaeda550_ab74_2cc7_4d0b_77233cb73a70 -->|calls| 2164af59_2c6f_7bb7_5f66_04b09561d066
  style 2164af59_2c6f_7bb7_5f66_04b09561d066 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/shared/util.ts lines 11–13

export function isDef<T>(v: T): v is NonNullable<T> {
  return v !== undefined && v !== null
}

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Frequently Asked Questions

What does isDef() do?
isDef() is a function in the vue codebase, defined in src/shared/util.ts.
Where is isDef() defined?
isDef() is defined in src/shared/util.ts at line 11.
What calls isDef()?
isDef() is called by 1 function(s): isPromise.

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