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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | 1x 1x 1x 1x 1x 215x 215x 215x 215x 215x 189x 189x 153x 26x 26x 153x 16x 1x 1x 1x 1x 1x 15x 15x 25x 25x 25x 1x 194x 194x 9x 194x 15x 15x 14x 14x 14x 15x 194x 13x 13x 13x 13x 1x 1x 1x 12x 13x 193x 193x 1x 15x 15x 15x 1x 1x 1x 14x 14x 15x 4x 4x 4x 15x 12x 1x 1x 1x 1x 1x 12x 15x 15x 11x 13x 13x 16x 16x 16x 16x 16x 16x 16x 16x 16x 16x 16x 16x 28x 28x 28x 28x 28x 28x 28x 28x 28x 16x 16x | import type {
ArrayPattern,
Identifier,
LVal,
Node,
ObjectPattern,
RestElement,
} from '@babel/types'
import { isCallOf } from './utils'
import type { ScriptCompileContext } from './context'
import {
type TypeResolveContext,
resolveTypeElements,
resolveUnionType,
} from './resolveType'
export const DEFINE_EMITS = 'defineEmits'
export function processDefineEmits(
ctx: ScriptCompileContext,
node: Node,
declId?: LVal,
): boolean {
if (!isCallOf(node, DEFINE_EMITS)) {
return false
}
if (ctx.hasDefineEmitCall) {
ctx.error(`duplicate ${DEFINE_EMITS}() call`, node)
}
ctx.hasDefineEmitCall = true
ctx.emitsRuntimeDecl = node.arguments[0]
if (node.typeParameters) {
if (ctx.emitsRuntimeDecl) {
ctx.error(
`${DEFINE_EMITS}() cannot accept both type and non-type arguments ` +
`at the same time. Use one or the other.`,
node,
)
}
ctx.emitsTypeDecl = node.typeParameters.params[0]
}
ctx.emitDecl = declId
return true
}
export function genRuntimeEmits(ctx: ScriptCompileContext): string | undefined {
let emitsDecl = ''
if (ctx.emitsRuntimeDecl) {
emitsDecl = ctx.getString(ctx.emitsRuntimeDecl).trim()
} else if (ctx.emitsTypeDecl) {
const typeDeclaredEmits = extractRuntimeEmits(ctx)
emitsDecl = typeDeclaredEmits.size
? `[${Array.from(typeDeclaredEmits)
.map(k => JSON.stringify(k))
.join(', ')}]`
: ``
}
if (ctx.hasDefineModelCall) {
let modelEmitsDecl = `[${Object.keys(ctx.modelDecls)
.map(n => JSON.stringify(`update:${n}`))
.join(', ')}]`
emitsDecl = emitsDecl
? `/*@__PURE__*/${ctx.helper(
'mergeModels',
)}(${emitsDecl}, ${modelEmitsDecl})`
: modelEmitsDecl
}
return emitsDecl
}
export function extractRuntimeEmits(ctx: TypeResolveContext): Set<string> {
const emits = new Set<string>()
const node = ctx.emitsTypeDecl!
if (node.type === 'TSFunctionType') {
extractEventNames(ctx, node.parameters[0], emits)
return emits
}
const { props, calls } = resolveTypeElements(ctx, node)
let hasProperty = false
for (const key in props) {
emits.add(key)
hasProperty = true
}
if (calls) {
if (hasProperty) {
ctx.error(
`defineEmits() type cannot mixed call signature and property syntax.`,
node,
)
}
for (const call of calls) {
extractEventNames(ctx, call.parameters[0], emits)
}
}
return emits
}
function extractEventNames(
ctx: TypeResolveContext,
eventName: ArrayPattern | Identifier | ObjectPattern | RestElement,
emits: Set<string>,
) {
if (
eventName.type === 'Identifier' &&
eventName.typeAnnotation &&
eventName.typeAnnotation.type === 'TSTypeAnnotation'
) {
const types = resolveUnionType(ctx, eventName.typeAnnotation.typeAnnotation)
for (const type of types) {
if (type.type === 'TSLiteralType') {
if (
type.literal.type !== 'UnaryExpression' &&
type.literal.type !== 'TemplateLiteral'
) {
emits.add(String(type.literal.value))
}
}
}
}
}
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