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fix(builder): resolve azion polyfills package specifier to filesystem path in esbuild plugin #449

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Merged
jcbsfilho merged 2 commits into from
Jul 2, 2026
Merged

fix(builder): resolve azion polyfills package specifier to filesystem path in esbuild plugin #449

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fix(builder): resolve azion polyfills package specifier to filesystem…
jcbsfilho Jul 1, 2026
8e6f774
chore: add changeset
jcbsfilho Jul 1, 2026
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5 changes: 5 additions & 0 deletions .changeset/early-pans-serve.md
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---
'@aziontech/builder': patch
---

fix(builder): resolve azion polyfills package specifier to filesystem path in esbuild plugin
9 changes: 7 additions & 2 deletions packages/builder/src/bundlers/esbuild/plugins/azion-polyfills/azion-polyfills.ts
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Original file line number Diff line number Diff line change
@@ -1,8 +1,11 @@
import { PluginBuild } from 'esbuild';
import fs from 'fs';
import { createRequire } from 'module';
import path from 'path';
import azionLibs from '../../../../helpers/azion-local-polyfills';

const requireCustom = createRequire(import.meta.url);

/**
* ESBuild Azion Module Plugin for polyfilling node modules.
* @param {boolean} isProduction Parameter to identify whether the build is dev or prod
Expand Down Expand Up @@ -89,8 +92,10 @@ const ESBuildAzionModulePlugin = (isProduction: boolean) => {
throw new Error(`Could not resolve module: ${args.path}`);
}

const contents = await fs.promises.readFile(resolved, 'utf8');
const resolveDir = path.dirname(resolved);
// Resolve package exports (e.g., @aziontech/builder/polyfills/...) to a filesystem path
const resolvedPath = requireCustom.resolve(resolved);
const contents = await fs.promises.readFile(resolvedPath, 'utf8');
const resolveDir = path.dirname(resolvedPath);

return {
loader: 'js',
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