Function processOption

packages/compiler-ssr/src/transforms/ssrVModel.ts:54–82

(plainNode: PlainElementNode)

  }

  function processOption(plainNode: PlainElementNode) {
    if (plainNode.tag === 'option') {
      if (plainNode.props.findIndex(p => p.name === 'selected') === -1) {
        const value = findValueBinding(plainNode)
        plainNode.ssrCodegenNode!.elements.push(
          createConditionalExpression(
            createCallExpression(context.helper(SSR_INCLUDE_BOOLEAN_ATTR), [
              createConditionalExpression(
                createCallExpression(`Array.isArray`, [model]),
                createCallExpression(context.helper(SSR_LOOSE_CONTAIN), [
                  model,
                  value,
                ]),
                createCallExpression(context.helper(SSR_LOOSE_EQUAL), [
                  model,
                  value,
                ]),
              ),
            ]),
            createSimpleExpression(' selected', true),
            createSimpleExpression('', true),
            false /* no newline */,
          ),
        )
      }
    } else if (plainNode.tag === 'optgroup') {
      processSelectChildren(plainNode.children)
    }
  }

  if (node.tagType === ElementTypes.ELEMENT) {
    const res: DirectiveTransformResult = { props: [] }