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25 changes: 24 additions & 1 deletion src/index.ts
Original file line number Diff line number Diff line change
Expand Up @@ -220,6 +220,29 @@ export const nodePolyfills = (options: PolyfillOptions = {}): Plugin => {
...(isEnabled(optionsResolved.globals.process, 'build') ? { process: 'vite-plugin-node-polyfills/shims/process' } : {}),
}

// Create a map of shim import paths to their resolved absolute paths
const shimImportMap = new Map<string, string>()
if (isEnabled(optionsResolved.globals.Buffer, 'build')) {
shimImportMap.set('vite-plugin-node-polyfills/shims/buffer', require.resolve('vite-plugin-node-polyfills/shims/buffer'))
}
if (isEnabled(optionsResolved.globals.global, 'build')) {
shimImportMap.set('vite-plugin-node-polyfills/shims/global', require.resolve('vite-plugin-node-polyfills/shims/global'))
}
if (isEnabled(optionsResolved.globals.process, 'build')) {
shimImportMap.set('vite-plugin-node-polyfills/shims/process', require.resolve('vite-plugin-node-polyfills/shims/process'))
}

// Plugin to resolve shim imports during build
const shimsResolverPlugin = shimImportMap.size > 0 ? {
name: 'vite-plugin-node-polyfills:shims-resolver',
resolveId(source: string) {
if (shimImportMap.has(source)) {
return { id: shimImportMap.get(source)!, external: false }
}
return null
},
} : null

return {
build: {
rollupOptions: {
Expand All @@ -235,7 +258,7 @@ export const nodePolyfills = (options: PolyfillOptions = {}): Plugin => {
...Object.keys(shimsToInject).length > 0
? isRolldownVite
? { inject: shimsToInject }
: { plugins: [inject(shimsToInject)] }
: { plugins: [inject(shimsToInject), ...(shimsResolverPlugin ? [shimsResolverPlugin] : [])] }
: {},
},
},
Expand Down