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isUndef() — vue Function Reference

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

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Dependency Diagram

graph TD
  9f1a752c_05f7_66ed_1e0c_b97fa7fd7034["isUndef()"]
  ce303fd5_0a15_37d7_872a_d1ca73ec7f6a["util.ts"]
  9f1a752c_05f7_66ed_1e0c_b97fa7fd7034 -->|defined in| ce303fd5_0a15_37d7_872a_d1ca73ec7f6a
  style 9f1a752c_05f7_66ed_1e0c_b97fa7fd7034 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

src/shared/util.ts lines 7–9

export function isUndef(v: any): v is undefined | null {
  return v === undefined || v === null
}

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Defined In

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Frequently Asked Questions

What does isUndef() do?
isUndef() is a function in the vue codebase, defined in src/shared/util.ts.
Where is isUndef() defined?
isUndef() is defined in src/shared/util.ts at line 7.

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