Function extractRuntimeProps

packages/compiler-sfc/src/script/defineProps.ts:179–209

(
  ctx: TypeResolveContext,
)

}

export function extractRuntimeProps(
  ctx: TypeResolveContext,
): string | undefined {
  // this is only called if propsTypeDecl exists
  const props = resolveRuntimePropsFromType(ctx, ctx.propsTypeDecl!)
  if (!props.length) {
    return
  }

  const propStrings: string[] = []
  const hasStaticDefaults = hasStaticWithDefaults(ctx)

  for (const prop of props) {
    propStrings.push(genRuntimePropFromType(ctx, prop, hasStaticDefaults))
    // register bindings
    if ('bindingMetadata' in ctx && !(prop.key in ctx.bindingMetadata)) {
      ctx.bindingMetadata[prop.key] = BindingTypes.PROPS
    }
  }

  let propsDecls = `{
    ${propStrings.join(',\n    ')}\n  }`

  if (ctx.propsRuntimeDefaults && !hasStaticDefaults) {
    propsDecls = `/*@__PURE__*/${ctx.helper(
      'mergeDefaults',
    )}(${propsDecls}, ${ctx.getString(ctx.propsRuntimeDefaults)})`
  }

  return propsDecls
}

function resolveRuntimePropsFromType(
  ctx: TypeResolveContext,