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fix(bridge): default export detection (#1774)
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@ -1,12 +1,11 @@
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import type { Plugin } from 'vite'
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import fse from 'fs-extra'
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import { findExports } from 'mlly'
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// const PREFIX = 'defaultexport:'
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const PREFIX = 'defaultexport:'
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const hasPrefix = (id: string = '') => id.startsWith(PREFIX)
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const removePrefix = (id: string = '') => hasPrefix(id) ? id.substr(PREFIX.length) : id
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const hasDefaultExport = (code: string = '') => code.includes('export default')
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const addDefaultExport = (code: string = '') => code + '\n\n' + 'export default () => {}'
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export function defaultExportPlugin () {
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@ -26,7 +25,8 @@ export function defaultExportPlugin () {
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async load (id) {
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if (hasPrefix(id)) {
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let code = await fse.readFile(removePrefix(id), 'utf8')
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if (!hasDefaultExport(code)) {
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const exports = findExports(code)
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if (!exports.find(i => i.type === 'default' || i.name === 'default')) {
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code = addDefaultExport(code)
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}
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return { map: null, code }
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