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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 | 104x 2916x 45x 45x 45x 45x 45x 9x 9x 45x 6x 6x 45x 2x 45x 45x 74x 74x 74x 74x 33x 33x 14x 14x 9x 5x 5x 19x 5x 4x 1x 1x 1x 1x 1x 14x 7x 14x 74x 14x 14x 14x 1x 74x | import type { NodeTransform, TransformContext } from '../transform'
import {
type CallExpression,
type ExpressionNode,
NodeTypes,
type SlotOutletNode,
createCallExpression,
createFunctionExpression,
createSimpleExpression,
} from '../ast'
import { isSlotOutlet, isStaticArgOf, isStaticExp } from '../utils'
import { type PropsExpression, buildProps } from './transformElement'
import { ErrorCodes, createCompilerError } from '../errors'
import { RENDER_SLOT } from '../runtimeHelpers'
import { camelize } from '@vue/shared'
import { processExpression } from './transformExpression'
export const transformSlotOutlet: NodeTransform = (node, context) => {
if (isSlotOutlet(node)) {
const { children, loc } = node
const { slotName, slotProps } = processSlotOutlet(node, context)
const slotArgs: CallExpression['arguments'] = [
context.prefixIdentifiers ? `_ctx.$slots` : `$slots`,
slotName,
'{}',
'undefined',
'true',
]
let expectedLen = 2
if (slotProps) {
slotArgs[2] = slotProps
expectedLen = 3
}
if (children.length) {
slotArgs[3] = createFunctionExpression([], children, false, false, loc)
expectedLen = 4
}
if (context.scopeId && !context.slotted) {
expectedLen = 5
}
slotArgs.splice(expectedLen) // remove unused arguments
node.codegenNode = createCallExpression(
context.helper(RENDER_SLOT),
slotArgs,
loc,
)
}
}
interface SlotOutletProcessResult {
slotName: string | ExpressionNode
slotProps: PropsExpression | undefined
}
export function processSlotOutlet(
node: SlotOutletNode,
context: TransformContext,
): SlotOutletProcessResult {
let slotName: string | ExpressionNode = `"default"`
let slotProps: PropsExpression | undefined = undefined
const nonNameProps = []
for (let i = 0; i < node.props.length; i++) {
const p = node.props[i]
if (p.type === NodeTypes.ATTRIBUTE) {
Eif (p.value) {
if (p.name === 'name') {
slotName = JSON.stringify(p.value.content)
} else {
p.name = camelize(p.name)
nonNameProps.push(p)
}
}
} else {
if (p.name === 'bind' && isStaticArgOf(p.arg, 'name')) {
if (p.exp) {
slotName = p.exp
} else Eif (p.arg && p.arg.type === NodeTypes.SIMPLE_EXPRESSION) {
const name = camelize(p.arg.content)
slotName = p.exp = createSimpleExpression(name, false, p.arg.loc)
Eif (!__BROWSER__) {
slotName = p.exp = processExpression(p.exp, context)
}
}
} else {
if (p.name === 'bind' && p.arg && isStaticExp(p.arg)) {
p.arg.content = camelize(p.arg.content)
}
nonNameProps.push(p)
}
}
}
if (nonNameProps.length > 0) {
const { props, directives } = buildProps(
node,
context,
nonNameProps,
false,
false,
)
slotProps = props
if (directives.length) {
context.onError(
createCompilerError(
ErrorCodes.X_V_SLOT_UNEXPECTED_DIRECTIVE_ON_SLOT_OUTLET,
directives[0].loc,
),
)
}
}
return {
slotName,
slotProps,
}
}
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