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fix(bridge): default export detection #1774

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merged 2 commits into from
Nov 8, 2021
Merged

fix(bridge): default export detection #1774

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4a2b687
fix(bridge): default export detection
antfu Nov 8, 2021
9e7768a
chore: typo
antfu Nov 8, 2021
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fix(bridge): default export detection
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@antfu
antfu committed Nov 8, 2021
commit 4a2b6870dc033debce77ee6fb591a4f301547149
6 changes: 3 additions & 3 deletions packages/bridge/src/vite/plugins/default-export.ts
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Original file line number Diff line number Diff line change
@@ -1,12 +1,11 @@
import type { Plugin } from 'vite'
import fse from 'fs-extra'
import { findExports } from 'mlly'

// const PREFIX = 'defaultexport:'
const PREFIX = 'defaultexport:'
const hasPrefix = (id: string = '') => id.startsWith(PREFIX)
const removePrefix = (id: string = '') => hasPrefix(id) ? id.substr(PREFIX.length) : id

const hasDefaultExport = (code: string = '') => code.includes('export default')
const addDefaultExport = (code: string = '') => code + '\n\n' + 'export default () => {}'

export function defaultExportPlugin () {
Expand All @@ -26,7 +25,8 @@ export function defaultExportPlugin () {
async load (id) {
if (hasPrefix(id)) {
let code = await fse.readFile(removePrefix(id), 'utf8')
if (!hasDefaultExport(code)) {
const exports = findExports(code)
if (exports.find(i => i.type === 'default' || i.name === 'default')) {
code = addDefaultExport(code)
}
return { map: null, code }
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