genData() — vue Function Reference

Architecture documentation for the genData() function in index.ts from the vue codebase.

Function typescript CompilerSFC ScriptCompiler calls 5 called by 3

Entity Profile

CompilerSFC→ ScriptCompiler→ genData() — vue Function Reference

Dependency Diagram

graph TD
  37199ba4_dbb1_d3e4_1b99_701b07750519["genData()"]
  b3b5fa63_0571_9c9e_f75f_7175c7581d45["genNormalElement()"]
  b3b5fa63_0571_9c9e_f75f_7175c7581d45 -->|calls| 37199ba4_dbb1_d3e4_1b99_701b07750519
  4cfaef88_0bc8_30fc_0a01_09b4149fd58c["genElement()"]
  4cfaef88_0bc8_30fc_0a01_09b4149fd58c -->|calls| 37199ba4_dbb1_d3e4_1b99_701b07750519
  b1f20db9_8751_5545_a8c7_7e15fadb710b["genComponent()"]
  b1f20db9_8751_5545_a8c7_7e15fadb710b -->|calls| 37199ba4_dbb1_d3e4_1b99_701b07750519
  34b53a82_7792_a9b4_4692_0b983276c3de["genDirectives()"]
  37199ba4_dbb1_d3e4_1b99_701b07750519 -->|calls| 34b53a82_7792_a9b4_4692_0b983276c3de
  8d77643c_f644_5b38_7cc9_470546920393["genProps()"]
  37199ba4_dbb1_d3e4_1b99_701b07750519 -->|calls| 8d77643c_f644_5b38_7cc9_470546920393
  88df0083_e08f_08d8_8a43_25ecb139b4e4["genHandlers()"]
  37199ba4_dbb1_d3e4_1b99_701b07750519 -->|calls| 88df0083_e08f_08d8_8a43_25ecb139b4e4
  d1ccd3d8_f5cf_7075_df2f_38965de3798e["genScopedSlots()"]
  37199ba4_dbb1_d3e4_1b99_701b07750519 -->|calls| d1ccd3d8_f5cf_7075_df2f_38965de3798e
  82518cdd_66a5_0eec_e015_7a91c596ce72["genInlineTemplate()"]
  37199ba4_dbb1_d3e4_1b99_701b07750519 -->|calls| 82518cdd_66a5_0eec_e015_7a91c596ce72
  style 37199ba4_dbb1_d3e4_1b99_701b07750519 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/compiler/codegen/index.ts lines 277–359

export function genData(el: ASTElement, state: CodegenState): string {
  let data = '{'

  // directives first.
  // directives may mutate the el's other properties before they are generated.
  const dirs = genDirectives(el, state)
  if (dirs) data += dirs + ','

  // key
  if (el.key) {
    data += `key:${el.key},`
  }
  // ref
  if (el.ref) {
    data += `ref:${el.ref},`
  }
  if (el.refInFor) {
    data += `refInFor:true,`
  }
  // pre
  if (el.pre) {
    data += `pre:true,`
  }
  // record original tag name for components using "is" attribute
  if (el.component) {
    data += `tag:"${el.tag}",`
  }
  // module data generation functions
  for (let i = 0; i < state.dataGenFns.length; i++) {
    data += state.dataGenFns[i](el)
  }
  // attributes
  if (el.attrs) {
    data += `attrs:${genProps(el.attrs)},`
  }
  // DOM props
  if (el.props) {
    data += `domProps:${genProps(el.props)},`
  }
  // event handlers
  if (el.events) {
    data += `${genHandlers(el.events, false)},`
  }
  if (el.nativeEvents) {
    data += `${genHandlers(el.nativeEvents, true)},`
  }
  // slot target
  // only for non-scoped slots
  if (el.slotTarget && !el.slotScope) {
    data += `slot:${el.slotTarget},`
  }
  // scoped slots
  if (el.scopedSlots) {
    data += `${genScopedSlots(el, el.scopedSlots, state)},`
  }
  // component v-model
  if (el.model) {
    data += `model:{value:${el.model.value},callback:${el.model.callback},expression:${el.model.expression}},`
  }
  // inline-template
  if (el.inlineTemplate) {
    const inlineTemplate = genInlineTemplate(el, state)
    if (inlineTemplate) {
      data += `${inlineTemplate},`
    }
  }
  data = data.replace(/,$/, '') + '}'
  // v-bind dynamic argument wrap
  // v-bind with dynamic arguments must be applied using the same v-bind object
  // merge helper so that class/style/mustUseProp attrs are handled correctly.
  if (el.dynamicAttrs) {
    data = `_b(${data},"${el.tag}",${genProps(el.dynamicAttrs)})`
  }
  // v-bind data wrap
  if (el.wrapData) {
    data = el.wrapData(data)
  }
  // v-on data wrap
  if (el.wrapListeners) {
    data = el.wrapListeners(data)
  }
  return data
}