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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 | 87x 87x 87x 87x 87x 87x 87x 1789x 30x 30x 30x 30x 30x 5x 5x 30x 5x 5x 30x 2x 30x 30x 87x 46x 46x 46x 46x 24x 24x 11x 11x 6x 5x 5x 13x 4x 9x 7x 9x 46x 9x 9x 9x 1x 46x | import { NodeTransform, TransformContext } from '../transform'
import {
NodeTypes,
CallExpression,
createCallExpression,
ExpressionNode,
SlotOutletNode,
createFunctionExpression
} from '../ast'
import { isSlotOutlet, isStaticArgOf, isStaticExp } from '../utils'
import { buildProps, PropsExpression } from './transformElement'
import { createCompilerError, ErrorCodes } from '../errors'
import { RENDER_SLOT } from '../runtimeHelpers'
import { camelize } from '@vue/shared/'
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.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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