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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 | 90x 90x 90x 90x 90x 90x 90x 1876x 32x 32x 32x 32x 32x 7x 7x 32x 5x 5x 32x 2x 32x 32x 90x 49x 49x 49x 49x 26x 26x 11x 11x 6x 5x 5x 15x 4x 11x 7x 11x 49x 11x 11x 11x 1x 49x | 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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