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fix(layers): add createRequire banner in esm #2232

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merged 2 commits into from
Mar 15, 2024
Merged

fix(layers): add createRequire banner in esm #2232

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9c9a243
fix(layers): add createRequire banner in esm
dreamorosi Mar 14, 2024
c018d1a
Merge branch 'main' into 2231-bug-unable-to-use-lambda-layer-with-esm…
sthulb Mar 15, 2024
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18 changes: 16 additions & 2 deletions layers/src/layer-publisher-stack.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -174,10 +174,24 @@ export class LayerPublisherStack extends Stack {
.join(' ')}`
);

// Phase 5: Copy files from tmp folder to cdk.out asset folder (the folder is created by CDK)
// Phase 5: patch require keyword in ESM Tracer package due to AWS X-Ray SDK for Node.js not being ESM compatible
const esmTracerPath = join(
tmpBuildDir,
'node_modules',
'@aws-lambda-powertools/tracer',
'lib',
'esm',
'provider',
'ProviderService.js'
);
execSync(
`echo "import { createRequire } from 'module'; const require = createRequire(import.meta.url);$(cat ${esmTracerPath})" > ${esmTracerPath}`
);

// Phase 6: Copy files from tmp folder to cdk.out asset folder (the folder is created by CDK)
execSync(`cp -R ${tmpBuildPath}${sep}* ${outputDir}`);

// Phase 6: (Optional) Restore changes to the project root made by the build
// Phase 7: (Optional) Restore changes to the project root made by the build
buildFromLocal &&
execSync('git restore packages/*/package.json', {
cwd: projectRoot,
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