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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 | 365x 365x 365x 365x 365x 365x 365x 365x 365x 365x 365x 365x 365x 365x 365x 365x 365x 365x 365x 168x 168x 365x 365x 365x 365x 365x 365x 365x 365x 365x 365x 2x 365x 390x 390x 1x 1x 365x 365x 91x 91x 1x 48x 49x 49x 464x 464x 3x 463x 464x 3x 461x 3x 464x 280x 280x 280x 464x 3x 464x | import type { CallExpression, Node, ObjectPattern, Program } from '@babel/types'
import type { SFCDescriptor } from '../parse'
import { generateCodeFrame, isArray } from '@vue/shared'
import { type ParserPlugin, parse as babelParse } from '@babel/parser'
import type { ImportBinding, SFCScriptCompileOptions } from '../compileScript'
import type { PropsDestructureBindings } from './defineProps'
import type { ModelDecl } from './defineModel'
import type { BindingMetadata } from '../../../compiler-core/src'
import MagicString from 'magic-string'
import type { TypeScope } from './resolveType'
import { warn } from '../warn'
import { isJS, isTS } from './utils'
export class ScriptCompileContext {
isJS: boolean
isTS: boolean
isCE = false
scriptAst: Program | null
scriptSetupAst: Program | null
source: string = this.descriptor.source
filename: string = this.descriptor.filename
s: MagicString = new MagicString(this.source)
startOffset: number | undefined =
this.descriptor.scriptSetup?.loc.start.offset
endOffset: number | undefined = this.descriptor.scriptSetup?.loc.end.offset
// import / type analysis
scope?: TypeScope
globalScopes?: TypeScope[]
userImports: Record<string, ImportBinding> = Object.create(null)
// macros presence check
hasDefinePropsCall = false
hasDefineEmitCall = false
hasDefineExposeCall = false
hasDefaultExportName = false
hasDefaultExportRender = false
hasDefineOptionsCall = false
hasDefineSlotsCall = false
hasDefineModelCall = false
// defineProps
propsCall: CallExpression | undefined
propsDecl: Node | undefined
propsRuntimeDecl: Node | undefined
propsTypeDecl: Node | undefined
propsDestructureDecl: ObjectPattern | undefined
propsDestructuredBindings: PropsDestructureBindings = Object.create(null)
propsDestructureRestId: string | undefined
propsRuntimeDefaults: Node | undefined
// defineEmits
emitsRuntimeDecl: Node | undefined
emitsTypeDecl: Node | undefined
emitDecl: Node | undefined
// defineModel
modelDecls: Record<string, ModelDecl> = Object.create(null)
// defineOptions
optionsRuntimeDecl: Node | undefined
// codegen
bindingMetadata: BindingMetadata = {}
helperImports: Set<string> = new Set()
helper(key: string): string {
this.helperImports.add(key)
return `_${key}`
}
/**
* to be exposed on compiled script block for HMR cache busting
*/
deps?: Set<string>
/**
* cache for resolved fs
*/
fs?: NonNullable<SFCScriptCompileOptions['fs']>
constructor(
public descriptor: SFCDescriptor,
public options: Partial<SFCScriptCompileOptions>,
) {
const { script, scriptSetup } = descriptor
const scriptLang = script && script.lang
const scriptSetupLang = scriptSetup && scriptSetup.lang
this.isJS = isJS(scriptLang, scriptSetupLang)
this.isTS = isTS(scriptLang, scriptSetupLang)
const customElement = options.customElement
const filename = this.descriptor.filename
if (customElement) {
this.isCE =
typeof customElement === 'boolean'
? customElement
: customElement(filename)
}
// resolve parser plugins
const plugins: ParserPlugin[] = resolveParserPlugins(
(scriptLang || scriptSetupLang)!,
options.babelParserPlugins,
)
function parse(input: string, offset: number): Program {
try {
return babelParse(input, {
plugins,
sourceType: 'module',
}).program
} catch (e: any) {
e.message = `[vue/compiler-sfc] ${e.message}\n\n${
descriptor.filename
}\n${generateCodeFrame(
descriptor.source,
e.pos + offset,
e.pos + offset + 1,
)}`
throw e
}
}
this.scriptAst =
descriptor.script &&
parse(descriptor.script.content, descriptor.script.loc.start.offset)
this.scriptSetupAst =
descriptor.scriptSetup &&
parse(descriptor.scriptSetup!.content, this.startOffset!)
}
getString(node: Node, scriptSetup = true): string {
const block = scriptSetup
? this.descriptor.scriptSetup!
: this.descriptor.script!
return block.content.slice(node.start!, node.end!)
}
warn(msg: string, node: Node, scope?: TypeScope): void {
warn(generateError(msg, node, this, scope))
}
error(msg: string, node: Node, scope?: TypeScope): never {
throw new Error(
`[@vue/compiler-sfc] ${generateError(msg, node, this, scope)}`,
)
}
}
function generateError(
msg: string,
node: Node,
ctx: ScriptCompileContext,
scope?: TypeScope,
) {
const offset = scope ? scope.offset : ctx.startOffset!
return `${msg}\n\n${(scope || ctx.descriptor).filename}\n${generateCodeFrame(
(scope || ctx.descriptor).source,
node.start! + offset,
node.end! + offset,
)}`
}
export function resolveParserPlugins(
lang: string,
userPlugins?: ParserPlugin[],
dts = false,
): ParserPlugin[] {
const plugins: ParserPlugin[] = []
if (
!userPlugins ||
!userPlugins.some(
p =>
p === 'importAssertions' ||
p === 'importAttributes' ||
(isArray(p) && p[0] === 'importAttributes'),
)
) {
plugins.push('importAttributes')
}
if (lang === 'jsx' || lang === 'tsx' || lang === 'mtsx') {
plugins.push('jsx')
} else if (userPlugins) {
// If don't match the case of adding jsx
// should remove the jsx from user options
userPlugins = userPlugins.filter(p => p !== 'jsx')
}
if (
lang === 'ts' ||
lang === 'mts' ||
lang === 'tsx' ||
lang === 'cts' ||
lang === 'mtsx'
) {
plugins.push(['typescript', { dts }], 'explicitResourceManagement')
Eif (!userPlugins || !userPlugins.includes('decorators')) {
plugins.push('decorators-legacy')
}
}
if (userPlugins) {
plugins.push(...userPlugins)
}
return plugins
}
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