checkProp() — vue Function Reference

Architecture documentation for the checkProp() function in extract-props.ts from the vue codebase.

Function typescript VueCore Instance called by 1

Entity Profile

VueCore→ Instance→ checkProp() — vue Function Reference

Dependency Diagram

graph TD
  6abb57af_3267_6a8a_4067_ae972ebad719["checkProp()"]
  07c6a400_8fa8_9740_e9a1_447f2eb41bbc["extract-props.ts"]
  6abb57af_3267_6a8a_4067_ae972ebad719 -->|defined in| 07c6a400_8fa8_9740_e9a1_447f2eb41bbc
  2c4ae5b5_b15e_8c6d_7ec1_57d26fc859fa["extractPropsFromVNodeData()"]
  2c4ae5b5_b15e_8c6d_7ec1_57d26fc859fa -->|calls| 6abb57af_3267_6a8a_4067_ae972ebad719
  style 6abb57af_3267_6a8a_4067_ae972ebad719 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/core/vdom/helpers/extract-props.ts lines 52–75

function checkProp(
  res: Object,
  hash: Object | undefined,
  key: string,
  altKey: string,
  preserve: boolean
): boolean {
  if (isDef(hash)) {
    if (hasOwn(hash, key)) {
      res[key] = hash[key]
      if (!preserve) {
        delete hash[key]
      }
      return true
    } else if (hasOwn(hash, altKey)) {
      res[key] = hash[altKey]
      if (!preserve) {
        delete hash[altKey]
      }
      return true
    }
  }
  return false
}