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fix: special handling for class default export in sfc #29

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Jan 30, 2021
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fix: special handling for class default export in sfc #29

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12 changes: 11 additions & 1 deletion src/main.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -98,6 +98,8 @@ function injectStyles (context) {
return result
}

const exportDefaultClassRE = /export\s+default\s+class\s+([\w$]+)/

async function genScriptCode(
scriptVar: string,
descriptor: SFCDescriptor,
Expand All @@ -121,7 +123,15 @@ async function genScriptCode(
(!script.lang || (script.lang === 'ts' && options.devServer)) &&
!script.src
) {
scriptCode = rewriteDefault(script.content, scriptVar)
const classMatch = script.content.match(exportDefaultClassRE)
if (classMatch) {
scriptCode = `${script.content.replace(
exportDefaultClassRE,
`class $1`
)}\nconst ${scriptVar} = ${classMatch[1]}`
} else {
scriptCode = rewriteDefault(script.content, scriptVar)
}
map = script.map
if (script.lang === 'ts') {
const result = await options.devServer!.transformWithEsbuild(
Expand Down