| 1 | const httpEventNormalizerMiddleware = ()=>{
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| 2 | const httpEventNormalizerMiddlewareBefore = async (request)=>{
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| 3 | const { event } = request;
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| 4 | const version = pickVersion(event);
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| 5 | if (version === '1.0') {
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| 6 | event.multiValueQueryStringParameters ??= {};
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| 7 | } else if (version === 'vpc') {
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| 8 | event.queryStringParameters = event.query_string_parameters;
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| 9 | event.isBase64Encoded = event.is_base64_encoded;
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| 10 | }
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| 11 | event.pathParameters ??= {};
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| 12 | event.queryStringParameters ??= {};
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| 13 | };
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| 14 | return {
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| 15 | before: httpEventNormalizerMiddlewareBefore
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| 16 | };
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| 17 | };
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| 18 | const pickVersion = (event)=>{
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| 19 | return event.version ?? (event.method ? 'vpc' : '1.0');
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| 20 | };
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| 21 | export default httpEventNormalizerMiddleware;
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| 22 |
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