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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 | 2x 2x 2547x 39x 39x 39x 39x 39x 39x 39x 39x 39x 39x 39x 7x 7x 7x 39x 5x 5x 5x 39x 2x 2x 39x 39x 39x 39x 39x 39x 39x 2547x 2x 64x 64x 64x 64x 64x 64x 64x 28x 28x 12x 12x 7x 8x 5x 5x 5x 12x 28x 16x 5x 4x 5x 1x 1x 1x 1x 1x 1x 16x 11x 7x 7x 11x 11x 16x 28x 64x 11x 11x 11x 11x 11x 11x 11x 11x 11x 1x 1x 1x 1x 1x 1x 1x 11x 64x 64x 64x 64x 64x | 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) {
if (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 if (p.arg && p.arg.type === NodeTypes.SIMPLE_EXPRESSION) {
const name = camelize(p.arg.content)
slotName = p.exp = createSimpleExpression(name, false, p.arg.loc)
if (!__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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