Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 | 30x 30x 30x 26x 5x 5x 26x 26x 26x 26x 24x 24x 17x 17x 6x 11x 11x 4x 4x 6x 6x 2x 2x 4x 6x 1x 1x 1x 7x 2x 2x 2x 2x 2x 26x 17x 17x | import {
DirectiveTransform,
ElementTypes,
transformModel,
findProp,
NodeTypes,
createDOMCompilerError,
DOMErrorCodes,
createObjectProperty,
createSimpleExpression,
createCallExpression,
PlainElementNode,
ExpressionNode,
createConditionalExpression,
createInterpolation,
hasDynamicKeyVBind
} from '@vue/compiler-dom'
import {
SSR_LOOSE_EQUAL,
SSR_LOOSE_CONTAIN,
SSR_RENDER_DYNAMIC_MODEL
} from '../runtimeHelpers'
import { 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
)
)
}
}
if (node.tagType === ElementTypes.ELEMENT) {
const res: DirectiveTransformResult = { props: [] }
const defaultProps = [
// default value binding for text type inputs
createObjectProperty(`value`, model)
]
if (node.tag === 'input') {
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
])
]
} 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 Eif (node.tag === 'select') {
// NOOP
// select relies on client-side directive to set initial selected state.
} else {
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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