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genClassForVnode() — vue Function Reference

Architecture documentation for the genClassForVnode() function in class.ts from the vue codebase.

Function typescript WebPlatform WebRuntime calls 3

Entity Profile

Dependency Diagram

graph TD
  3306cacd_768a_3f52_0ec1_f5b55dcc69ad["genClassForVnode()"]
  2be3818d_a4f3_495c_543c_ee071b428982["isDef()"]
  3306cacd_768a_3f52_0ec1_f5b55dcc69ad -->|calls| 2be3818d_a4f3_495c_543c_ee071b428982
  296421b1_67a3_1484_ded1_a5e99fdef6df["mergeClassData()"]
  3306cacd_768a_3f52_0ec1_f5b55dcc69ad -->|calls| 296421b1_67a3_1484_ded1_a5e99fdef6df
  187fb017_517a_6614_0c5e_2bb0fc2cf788["renderClass()"]
  3306cacd_768a_3f52_0ec1_f5b55dcc69ad -->|calls| 187fb017_517a_6614_0c5e_2bb0fc2cf788
  style 3306cacd_768a_3f52_0ec1_f5b55dcc69ad fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/platforms/web/util/class.ts lines 5–22

export function genClassForVnode(vnode: VNodeWithData): string {
  let data = vnode.data
  let parentNode: VNode | VNodeWithData | undefined = vnode
  let childNode: VNode | VNodeWithData = vnode
  while (isDef(childNode.componentInstance)) {
    childNode = childNode.componentInstance._vnode!
    if (childNode && childNode.data) {
      data = mergeClassData(childNode.data, data)
    }
  }
  // @ts-expect-error parentNode.parent not VNodeWithData
  while (isDef((parentNode = parentNode.parent))) {
    if (parentNode && parentNode.data) {
      data = mergeClassData(data, parentNode.data)
    }
  }
  return renderClass(data.staticClass!, data.class)
}

Domain

Subdomains

Calls

Source

Frequently Asked Questions

What does genClassForVnode() do?
genClassForVnode() is a function in the vue codebase.
What does genClassForVnode() call?
genClassForVnode() calls 3 function(s): isDef, mergeClassData, renderClass.

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