checkProp() — vue Function Reference

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

Function typescript CoreInstance VDOM called by 1

Entity Profile

CoreInstance→ VDOM→ checkProp() — vue Function Reference

Dependency Diagram

graph TD
  d782c50f_f916_1903_69a9_a36cbe8097dc["checkProp()"]
  7b1ecc0f_b742_8636_72e7_fcf6a82f8c1f["extractPropsFromVNodeData()"]
  7b1ecc0f_b742_8636_72e7_fcf6a82f8c1f -->|calls| d782c50f_f916_1903_69a9_a36cbe8097dc
  style d782c50f_f916_1903_69a9_a36cbe8097dc 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
}