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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| import * as cdk from 'aws-cdk-lib'; | ||
| import { Duration } from 'aws-cdk-lib'; | ||
| import { CacheCookieBehavior, CacheHeaderBehavior, CacheQueryStringBehavior, OriginRequestCookieBehavior, OriginRequestHeaderBehavior, OriginRequestQueryStringBehavior, ViewerProtocolPolicy } from 'aws-cdk-lib/aws-cloudfront'; | ||
| import { Effect, PolicyStatement } from 'aws-cdk-lib/aws-iam'; | ||
| import { FunctionUrlAuthType } from 'aws-cdk-lib/aws-lambda'; | ||
| import { BlockPublicAccess, BucketAccessControl } from 'aws-cdk-lib/aws-s3'; | ||
| import { Construct } from 'constructs'; | ||
| import path from 'path' | ||
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| const __dirname = process.cwd(); | ||
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| type PartialBy<T, K extends keyof T> = Omit<T, K> & Partial<Pick<T, K>> | ||
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| export type SveltekitSiteProps = { | ||
| lambdaProps?: PartialBy<Omit<cdk.aws_lambda.FunctionProps, 'code' | 'runtime' | 'handler'>, 'architecture' | 'timeout' | 'memorySize'>; | ||
| cloudfrontProps?: Omit<cdk.aws_cloudfront.DistributionProps, 'defaultBehavior'> & { | ||
| defaultBehavior: Omit<cdk.aws_cloudfront.BehaviorOptions, 'origin'> | ||
| }; | ||
| } | ||
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| export class SvelteKitSite extends Construct { | ||
| public svelteLambda : cdk.aws_lambda.Function | ||
| public cloudfrontDistribution: cdk.aws_cloudfront.Distribution | ||
| constructor(scope: Construct, id: string, props?: SveltekitSiteProps) { | ||
| super(scope, id); | ||
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| const svelte = new cdk.aws_lambda.Function(this, `${id}-svelte-lambda`, { | ||
| runtime: cdk.aws_lambda.Runtime.NODEJS_18_X, | ||
| architecture: cdk.aws_lambda.Architecture.ARM_64, | ||
| memorySize: 1024, | ||
| timeout: Duration.seconds(10), | ||
| handler: 'serverless.handler', | ||
| code: cdk.aws_lambda.Code.fromAsset(path.join(__dirname, './build/server')), | ||
| ...props?.lambdaProps, | ||
| }); | ||
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| const svelteURL = svelte.addFunctionUrl({ authType: FunctionUrlAuthType.NONE }) | ||
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| const edgeFunction = new cdk.aws_cloudfront.experimental.EdgeFunction(this, `${id}-svelte-lambda-edge`, { | ||
| runtime: cdk.aws_lambda.Runtime.NODEJS_18_X, | ||
| handler: 'router.handler', | ||
| memorySize: 128, | ||
| code: cdk.aws_lambda.Code.fromAsset(path.join(__dirname, './build/edge')), | ||
| }); | ||
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| const staticAssets = new cdk.aws_s3.Bucket(this, `${id}-static-asset-bucket`, { | ||
| blockPublicAccess: BlockPublicAccess.BLOCK_ACLS, | ||
| accessControl: BucketAccessControl.BUCKET_OWNER_FULL_CONTROL, | ||
| }) | ||
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| staticAssets.addToResourcePolicy(new PolicyStatement({ | ||
| actions: ['s3:GetObject'], | ||
| effect: Effect.ALLOW, | ||
| resources: [staticAssets.arnForObjects('*')], | ||
| sid: 'PublicReadGetObject', | ||
| principals: [new cdk.aws_iam.AnyPrincipal()] | ||
| })) | ||
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| const forwardHeaderFunction = new cdk.aws_cloudfront.Function(this, `${id}-forward-header-function`, { | ||
| code: cdk.aws_cloudfront.FunctionCode.fromInline('function handler(event) { return event.request }'), | ||
| }); | ||
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| new cdk.aws_s3_deployment.BucketDeployment(this, `${id}-deploy-prerender`, { | ||
| sources: [cdk.aws_s3_deployment.Source.asset(path.join(__dirname, './build/prerendered'))], | ||
| destinationBucket: staticAssets, | ||
| prune: false, | ||
| cacheControl: [ | ||
| cdk.aws_s3_deployment.CacheControl.maxAge(Duration.minutes(5)), | ||
| ], | ||
| }); | ||
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| new cdk.aws_s3_deployment.BucketDeployment(this, `${id}-deploy-assets`, { | ||
| sources: [cdk.aws_s3_deployment.Source.asset(path.join(__dirname, './build/assets/'))], | ||
| destinationBucket: staticAssets, | ||
| prune: false, | ||
| cacheControl: [ | ||
| cdk.aws_s3_deployment.CacheControl.maxAge(Duration.days(365)), | ||
| cdk.aws_s3_deployment.CacheControl.immutable(), | ||
| ], | ||
| }); | ||
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| new cdk.aws_s3_deployment.BucketDeployment(this, `${id}-deploy-static`, { | ||
| sources: [cdk.aws_s3_deployment.Source.asset(path.join(__dirname, './build/assets/_app'))], | ||
| destinationBucket: staticAssets, | ||
| destinationKeyPrefix: '_app', | ||
| prune: false, | ||
| cacheControl: [ | ||
| cdk.aws_s3_deployment.CacheControl.maxAge(Duration.days(365)), | ||
| cdk.aws_s3_deployment.CacheControl.immutable(), | ||
| ], | ||
| }); | ||
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| const distribution = new cdk.aws_cloudfront.Distribution(this, `${id}-svelte-cloudfront`, { | ||
| ...props?.cloudfrontProps, | ||
| defaultBehavior: { | ||
| allowedMethods: cdk.aws_cloudfront.AllowedMethods.ALLOW_GET_HEAD_OPTIONS, | ||
| origin: new cdk.aws_cloudfront_origins.HttpOrigin(cdk.Fn.select(2, cdk.Fn.split('/', svelteURL.url)), { | ||
| customHeaders: { | ||
| 's3-host': staticAssets.virtualHostedUrlForObject().replace('https://', '') | ||
| } | ||
| }), | ||
| viewerProtocolPolicy: ViewerProtocolPolicy.REDIRECT_TO_HTTPS, | ||
| compress: true, | ||
| originRequestPolicy: new cdk.aws_cloudfront.OriginRequestPolicy(this, `${id}-svelte-orp`, { | ||
| cookieBehavior: OriginRequestCookieBehavior.all(), | ||
| queryStringBehavior: OriginRequestQueryStringBehavior.all(), | ||
| headerBehavior: OriginRequestHeaderBehavior.allowList('x-forwarded-host') | ||
| }), | ||
| cachePolicy: new cdk.aws_cloudfront.CachePolicy(this, `${id}-svelte-cp`, { | ||
| cookieBehavior: CacheCookieBehavior.all(), | ||
| queryStringBehavior: CacheQueryStringBehavior.all(), | ||
| headerBehavior: CacheHeaderBehavior.allowList('x-forwarded-host'), | ||
| enableAcceptEncodingBrotli: true, | ||
| enableAcceptEncodingGzip: true | ||
| }), | ||
| ...props?.cloudfrontProps?.defaultBehavior, | ||
| edgeLambdas: [ | ||
| { | ||
| functionVersion: edgeFunction.currentVersion, | ||
| eventType: cdk.aws_cloudfront.LambdaEdgeEventType.ORIGIN_REQUEST, | ||
| }, | ||
| ...(props?.cloudfrontProps?.defaultBehavior?.edgeLambdas || []) | ||
| ], | ||
| functionAssociations: [{ | ||
| function: forwardHeaderFunction, | ||
| eventType: cdk.aws_cloudfront.FunctionEventType.VIEWER_REQUEST, | ||
| }, | ||
| ...(props?.cloudfrontProps?.defaultBehavior?.functionAssociations || []) | ||
| ], | ||
| }, | ||
| }); | ||
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| this.svelteLambda = svelte | ||
| this.cloudfrontDistribution = distribution | ||
| } | ||
| } |
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