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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 | 16x 248x 217x 31x 31x 248x 248x 248x 13x 13x 18x 18x 31x 31x 248x 248x 248x 25x 19x 19x 25x 25x 25x 25x 25x 7x 18x 18x 18x 19x 15x 15x 31x 248x 248x 248x 248x 221x 19x 19x 19x 29x 29x 29x 29x 13x 13x 13x 13x 1x 2x 1x 13x 5x 8x 5x 29x 3x 26x 7x 19x 15x 4x 29x 29x 29x 19x | import type { LVal, Node, TSType } from '@babel/types'
import type { ScriptCompileContext } from './context'
import { inferRuntimeType } from './resolveType'
import { UNKNOWN_TYPE, isCallOf, toRuntimeTypeString } from './utils'
import { BindingTypes, unwrapTSNode } from '@vue/compiler-dom'
export const DEFINE_MODEL = 'defineModel'
export interface ModelDecl {
type: TSType | undefined
options: string | undefined
identifier: string | undefined
runtimeOptionNodes: Node[]
}
export function processDefineModel(
ctx: ScriptCompileContext,
node: Node,
declId?: LVal,
): boolean {
if (!isCallOf(node, DEFINE_MODEL)) {
return false
}
ctx.hasDefineModelCall = true
const type =
(node.typeParameters && node.typeParameters.params[0]) || undefined
let modelName: string
let options: Node | undefined
const arg0 = node.arguments[0] && unwrapTSNode(node.arguments[0])
const hasName =
arg0 &&
(arg0.type === 'StringLiteral' ||
(arg0.type === 'TemplateLiteral' && arg0.expressions.length === 0))
if (hasName) {
modelName =
arg0.type === 'StringLiteral' ? arg0.value : arg0.quasis[0].value.cooked!
options = node.arguments[1]
} else {
modelName = 'modelValue'
options = arg0
}
Iif (ctx.modelDecls[modelName]) {
ctx.error(`duplicate model name ${JSON.stringify(modelName)}`, node)
}
let optionsString = options && ctx.getString(options)
let optionsRemoved = !options
const runtimeOptionNodes: Node[] = []
if (
options &&
options.type === 'ObjectExpression' &&
!options.properties.some(p => p.type === 'SpreadElement' || p.computed)
) {
let removed = 0
for (let i = options.properties.length - 1; i >= 0; i--) {
const p = options.properties[i]
const next = options.properties[i + 1]
const start = p.start!
const end = next ? next.start! : options.end! - 1
if (
(p.type === 'ObjectProperty' || p.type === 'ObjectMethod') &&
((p.key.type === 'Identifier' &&
(p.key.name === 'get' || p.key.name === 'set')) ||
(p.key.type === 'StringLiteral' &&
(p.key.value === 'get' || p.key.value === 'set')))
) {
// remove runtime-only options from prop options to avoid duplicates
optionsString =
optionsString.slice(0, start - options.start!) +
optionsString.slice(end - options.start!)
} else {
// remove prop options from runtime options
removed++
ctx.s.remove(ctx.startOffset! + start, ctx.startOffset! + end)
// record prop options for invalid scope var reference check
runtimeOptionNodes.push(p)
}
}
if (removed === options.properties.length) {
optionsRemoved = true
ctx.s.remove(
ctx.startOffset! + (hasName ? arg0.end! : options.start!),
ctx.startOffset! + options.end!,
)
}
}
ctx.modelDecls[modelName] = {
type,
options: optionsString,
runtimeOptionNodes,
identifier:
declId && declId.type === 'Identifier' ? declId.name : undefined,
}
// register binding type
ctx.bindingMetadata[modelName] = BindingTypes.PROPS
// defineModel -> useModel
ctx.s.overwrite(
ctx.startOffset! + node.callee.start!,
ctx.startOffset! + node.callee.end!,
ctx.helper('useModel'),
)
// inject arguments
ctx.s.appendLeft(
ctx.startOffset! +
(node.arguments.length ? node.arguments[0].start! : node.end! - 1),
`__props, ` +
(hasName
? ``
: `${JSON.stringify(modelName)}${optionsRemoved ? `` : `, `}`),
)
return true
}
export function genModelProps(ctx: ScriptCompileContext): string | undefined {
if (!ctx.hasDefineModelCall) return
const isProd = !!ctx.options.isProd
let modelPropsDecl = ''
for (const [name, { type, options: runtimeOptions }] of Object.entries(
ctx.modelDecls,
)) {
let skipCheck = false
let codegenOptions = ``
let runtimeTypes = type && inferRuntimeType(ctx, type)
if (runtimeTypes) {
const hasBoolean = runtimeTypes.includes('Boolean')
const hasFunction = runtimeTypes.includes('Function')
const hasUnknownType = runtimeTypes.includes(UNKNOWN_TYPE)
if (hasUnknownType) {
if (hasBoolean || hasFunction) {
runtimeTypes = runtimeTypes.filter(t => t !== UNKNOWN_TYPE)
skipCheck = true
} else E{
runtimeTypes = ['null']
}
}
if (!isProd) {
codegenOptions =
`type: ${toRuntimeTypeString(runtimeTypes)}` +
(skipCheck ? ', skipCheck: true' : '')
} else if (hasBoolean || (runtimeOptions && hasFunction)) {
// preserve types if contains boolean, or
// function w/ runtime options that may contain default
codegenOptions = `type: ${toRuntimeTypeString(runtimeTypes)}`
} else {
// able to drop types in production
}
}
let decl: string
if (codegenOptions && runtimeOptions) {
decl = ctx.isTS
? `{ ${codegenOptions}, ...${runtimeOptions} }`
: `Object.assign({ ${codegenOptions} }, ${runtimeOptions})`
} else if (codegenOptions) {
decl = `{ ${codegenOptions} }`
} else if (runtimeOptions) {
decl = runtimeOptions
} else {
decl = `{}`
}
modelPropsDecl += `\n ${JSON.stringify(name)}: ${decl},`
// also generate modifiers prop
const modifierPropName = JSON.stringify(
name === 'modelValue' ? `modelModifiers` : `${name}Modifiers`,
)
modelPropsDecl += `\n ${modifierPropName}: {},`
}
return `{${modelPropsDecl}\n }`
}
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