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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 | 46x 39x 5x 5x 39x 27x 30x 22x 8x 4x 4x 4x 22x 15x 13x 13x 8x 6x 39x 39x 39x 24x 24x 24x 17x 17x 6x 11x 11x 4x 4x 6x 6x 2x 2x 4x 6x 1x 1x 1x 7x 2x 2x 15x 2x 2x 13x 13x 39x 30x 30x | import {
DOMErrorCodes,
type DirectiveTransform,
ElementTypes,
type ExpressionNode,
NodeTypes,
type PlainElementNode,
type TemplateChildNode,
createCallExpression,
createConditionalExpression,
createDOMCompilerError,
createInterpolation,
createObjectProperty,
createSimpleExpression,
findProp,
hasDynamicKeyVBind,
transformModel,
} from '@vue/compiler-dom'
import {
SSR_INCLUDE_BOOLEAN_ATTR,
SSR_LOOSE_CONTAIN,
SSR_LOOSE_EQUAL,
SSR_RENDER_DYNAMIC_MODEL,
} from '../runtimeHelpers'
import type { DirectiveTransformResult } from 'packages/compiler-core/src/transform'
export const ssrTransformModel: DirectiveTransform = (dir, node, context) => {
const model = dir.exp!
function checkDuplicatedValue() {
const value = findProp(node, 'value')
Iif (value) {
context.onError(
createDOMCompilerError(
DOMErrorCodes.X_V_MODEL_UNNECESSARY_VALUE,
value.loc,
),
)
}
}
const processSelectChildren = (children: TemplateChildNode[]) => {
children.forEach(child => {
if (child.type === NodeTypes.ELEMENT) {
processOption(child as PlainElementNode)
} else if (child.type === NodeTypes.FOR) {
processSelectChildren(child.children)
E} else if (child.type === NodeTypes.IF) {
child.branches.forEach(b => processSelectChildren(b.children))
}
})
}
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: [] }
if (node.tag === 'input') {
const defaultProps = [
// default value binding for text type inputs
createObjectProperty(`value`, model),
]
const type = findProp(node, 'type')
if (type) {
const value = findValueBinding(node)
if (type.type === NodeTypes.DIRECTIVE) {
// dynamic type
res.ssrTagParts = [
createCallExpression(context.helper(SSR_RENDER_DYNAMIC_MODEL), [
type.exp!,
model,
value,
]),
]
E} else if (type.value) {
// static type
switch (type.value.content) {
case 'radio':
res.props = [
createObjectProperty(
`checked`,
createCallExpression(context.helper(SSR_LOOSE_EQUAL), [
model,
value,
]),
),
]
break
case 'checkbox':
const trueValueBinding = findProp(node, 'true-value')
if (trueValueBinding) {
const trueValue =
trueValueBinding.type === NodeTypes.ATTRIBUTE
? JSON.stringify(trueValueBinding.value!.content)
: trueValueBinding.exp!
res.props = [
createObjectProperty(
`checked`,
createCallExpression(context.helper(SSR_LOOSE_EQUAL), [
model,
trueValue,
]),
),
]
} else {
res.props = [
createObjectProperty(
`checked`,
createConditionalExpression(
createCallExpression(`Array.isArray`, [model]),
createCallExpression(context.helper(SSR_LOOSE_CONTAIN), [
model,
value,
]),
model,
),
),
]
}
break
case 'file':
context.onError(
createDOMCompilerError(
DOMErrorCodes.X_V_MODEL_ON_FILE_INPUT_ELEMENT,
dir.loc,
),
)
break
default:
checkDuplicatedValue()
res.props = defaultProps
break
}
}
} else if (hasDynamicKeyVBind(node)) {
// dynamic type due to dynamic v-bind
// NOOP, handled in ssrTransformElement due to need to rewrite
// the entire props expression
} else {
// text type
checkDuplicatedValue()
res.props = defaultProps
}
} else if (node.tag === 'textarea') {
checkDuplicatedValue()
node.children = [createInterpolation(model, model.loc)]
} else if (node.tag === 'select') {
processSelectChildren(node.children)
} else E{
context.onError(
createDOMCompilerError(
DOMErrorCodes.X_V_MODEL_ON_INVALID_ELEMENT,
dir.loc,
),
)
}
return res
} else E{
// component v-model
return transformModel(dir, node, context)
}
}
function findValueBinding(node: PlainElementNode): ExpressionNode {
const valueBinding = findProp(node, 'value')
return valueBinding
? valueBinding.type === NodeTypes.DIRECTIVE
? valueBinding.exp!
: createSimpleExpression(valueBinding.value!.content, true)
: createSimpleExpression(`null`, false)
}
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