@aws/pdk
Version:
All documentation is located at: https://aws.github.io/aws-pdk
295 lines • 39.1 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.IGNORE_REF_PATTERN = void 0;
exports.generateConsistentUUID = generateConsistentUUID;
exports.getConstructUUID = getConstructUUID;
exports.tryGetLogicalId = tryGetLogicalId;
exports.inferNodeProps = inferNodeProps;
exports.extractInspectableAttributes = extractInspectableAttributes;
exports.extractUnresolvedReferences = extractUnresolvedReferences;
exports.inferFlags = inferFlags;
exports.isImportConstruct = isImportConstruct;
exports.resolveImportedConstructArnToken = resolveImportedConstructArnToken;
exports.tokenizeImportArn = tokenizeImportArn;
exports.inferImportCfnType = inferImportCfnType;
/*! Copyright [Amazon.com](http://amazon.com/), Inc. or its affiliates. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0 */
const aws_cdk_lib_1 = require("aws-cdk-lib");
const cloneDeep = require("lodash.clonedeep"); // eslint-disable-line @typescript-eslint/no-require-imports
const shorthash = require("shorthash2"); // eslint-disable-line @typescript-eslint/no-require-imports
const traverse = require("traverse"); // eslint-disable-line @typescript-eslint/no-require-imports
const types_1 = require("./types");
const cdk_internals_1 = require("../cdk-internals");
/**
* Generate deterministic UUID based on given value and prefix.
* @param value The value to hash as UUID
* @param {string} [prefix=""] Optional prefix used to prevent value conflicts
*/
function generateConsistentUUID(value, prefix = "") {
return prefix + shorthash(JSON.stringify(value));
}
/** Get UUID for a given construct */
function getConstructUUID(construct) {
return aws_cdk_lib_1.Names.uniqueResourceName(construct, {});
}
/** Try to get *logicalId* for given construct */
function tryGetLogicalId(construct) {
if (aws_cdk_lib_1.CfnElement.isCfnElement(construct)) {
const stack = aws_cdk_lib_1.Stack.of(construct);
return stack.resolve(stack.getLogicalId(construct));
}
return undefined;
}
/** Infer node props from construct */
function inferNodeProps(construct) {
const uuid = getConstructUUID(construct);
const logicalId = tryGetLogicalId(construct);
const metadata = construct.node.metadata.filter((entry) => {
if (entry.type === types_1.MetadataTypeEnum.LOGICAL_ID)
return false;
return true;
});
const attributes = cloneDeep(extractInspectableAttributes(construct) || {});
const cfnType = attributes[types_1.CfnAttributesEnum.TYPE];
if (cfnType) {
// @ts-ignore
delete attributes[types_1.CfnAttributesEnum.TYPE];
}
const cfnProps = attributes[types_1.CfnAttributesEnum.PROPS] || {};
let tags = {};
// normalize tags
if (typeof cfnProps === "object" && "tags" in cfnProps) {
const _tags = cfnProps.tags;
// remove the tags from the attributes since we normalize
// @ts-ignore
delete cfnProps.tags;
if (Array.isArray(_tags)) {
tags = Object.fromEntries(_tags.map(({ key, value }) => [key, value]));
}
else {
tags = _tags;
}
}
const constructInfo = (0, cdk_internals_1.constructInfoFromConstruct)(construct);
const flags = inferFlags(construct, constructInfo, tags);
return {
uuid,
attributes,
metadata,
tags,
logicalId,
cfnType,
constructInfo,
dependencies: obtainDependencies(construct),
unresolvedReferences: extractUnresolvedReferences(uuid, attributes),
flags,
};
}
function obtainDependencies(construct) {
if (aws_cdk_lib_1.CfnResource.isCfnResource(construct)) {
return construct.obtainDependencies().map(getConstructUUID);
}
return construct.node.dependencies.map(getConstructUUID);
}
/** Extract inspectable attributes from construct */
function extractInspectableAttributes(construct) {
// check if a construct implements IInspectable
function canInspect(inspectable) {
return inspectable.inspect !== undefined;
}
const inspector = new aws_cdk_lib_1.TreeInspector();
// get attributes from the inspector
if (canInspect(construct)) {
construct.inspect(inspector);
return aws_cdk_lib_1.Stack.of(construct).resolve(inspector.attributes);
}
return undefined;
}
/** Pattern of ignored references. Those which are resolved during deploy-time. */
exports.IGNORE_REF_PATTERN = /^AWS::/;
/** Extract unresolved references from attributes for a given source */
function extractUnresolvedReferences(source, from) {
const references = [];
traverse(from).forEach(function () {
switch (this.key) {
case types_1.ReferenceTypeEnum.ATTRIBUTE: {
const [logicalId, attribute] = this.node;
references.push({
source,
referenceType: types_1.ReferenceTypeEnum.ATTRIBUTE,
target: logicalId,
value: attribute,
});
this.block();
break;
}
case types_1.ReferenceTypeEnum.REF: {
if (typeof this.node === "string") {
if (!exports.IGNORE_REF_PATTERN.test(this.node)) {
references.push({
source,
referenceType: types_1.ReferenceTypeEnum.REF,
target: this.node,
});
}
}
else {
console.warn(`Found non-string "Ref"`, this.node);
}
this.block();
break;
}
case types_1.ReferenceTypeEnum.IMPORT: {
// "Fn::ImportValue": "Ada:ExportsOutputFnGetAttCommonStackA8F9EE77OutputsAdaCommonStackCounterTable5D6ADA16ArnED1AF27F"
// "Fn::ImportValue": "Stage-Ada:ExportsOutputFnGetAttCommonStackA8F9EE77OutputsAdaCommonStackCounterTable5D6ADA16ArnED1AF27F"
references.push({
source,
referenceType: types_1.ReferenceTypeEnum.IMPORT,
// NB: remove stage - separator
target: this.node.replace("-", ""),
});
this.block();
break;
}
case "Fn::Join": {
if (Array.isArray(this.node) &&
this.node.flatMap(String).join("").startsWith("arn:")) {
const potentialImportArn = {
"Fn::Join": this.node,
};
references.push({
source,
referenceType: types_1.ReferenceTypeEnum.IMPORT_ARN,
target: tokenizeImportArn(potentialImportArn),
});
}
break;
}
}
});
return references;
}
// https://github.com/aws/aws-cdk/blob/main/packages/%40aws-cdk/custom-resources/lib/aws-custom-resource/aws-custom-resource.ts#L357
const AWS_PROVIDER_FUNCTION_UUID = "679f53fac002430cb0da5b7982bd2287";
/** Infer construct flags */
function inferFlags(construct, constructInfo, tags) {
const flags = new Set();
const fqn = constructInfo?.fqn;
if (isImportConstruct(construct)) {
flags.add(types_1.FlagEnum.IMPORT);
}
else {
if (fqn && types_1.ExtraneousFqns.includes(fqn)) {
flags.add(types_1.FlagEnum.EXTRANEOUS);
}
if (fqn && types_1.AssetFqns.includes(fqn)) {
flags.add(types_1.FlagEnum.ASSET);
}
}
if (fqn && _isCfnFqn(fqn)) {
flags.add(types_1.FlagEnum.CFN_FQN);
}
if (construct.node.id === "Exports" && aws_cdk_lib_1.Stack.isStack(construct.node.scope)) {
flags.add(types_1.FlagEnum.EXTRANEOUS);
}
if (construct.node.id.startsWith("SsmParameterValue:")) {
flags.add(types_1.FlagEnum.EXTRANEOUS);
}
if (fqn === types_1.ConstructInfoFqnEnum.LAMBDA &&
aws_cdk_lib_1.Resource.isOwnedResource(construct)) {
if (construct.node.id === `AWS${AWS_PROVIDER_FUNCTION_UUID}`) {
flags.add(types_1.FlagEnum.AWS_API_CALL_LAMBDA);
flags.add(types_1.FlagEnum.EXTRANEOUS);
}
}
if (fqn && types_1.CustomResourceFqns.includes(fqn)) {
flags.add(types_1.FlagEnum.CUSTOM_RESOURCE);
if (fqn === types_1.ConstructInfoFqnEnum.AWS_CUSTOM_RESOURCE) {
flags.add(types_1.FlagEnum.AWS_CUSTOM_RESOURCE);
}
}
// https://github.com/aws/aws-cdk/blob/37f031f1f1c41bbfb6f8e8a56f73b5966e365ff6/packages/%40aws-cdk/aws-s3/lib/bucket.ts#L21
if (tags && tags["aws-cdk:auto-delete-objects"] === "true") {
flags.add(types_1.FlagEnum.EXTRANEOUS);
}
if (/^Custom::(CDK(BucketDeployment)|S3AutoDeleteObjects)/i.test(construct.node.id)) {
flags.add(types_1.FlagEnum.EXTRANEOUS);
}
return Array.from(flags.values());
}
/**
* Indicates if given construct is an import (eg: `s3.Bucket.fromBucketArn()`)
*/
function isImportConstruct(construct) {
if (!aws_cdk_lib_1.Resource.isResource(construct)) {
return false;
}
// CDK import constructs extend based resource classes via `class Import extends XXXBase` syntax.
// https://github.com/aws/aws-cdk/blob/main/packages/%40aws-cdk/aws-s3/lib/bucket.ts#L1621
return construct.constructor.name === "Import";
}
/**
* Resolve an imported resources arn to tokenized hash value of arn.
* @see {@link tokenizeImportArn}
* @param construct {Construct} Imported resource to resolve arn for.
* @returns If construct is an imported resource and able to infer the arn for it then the tokenized arn value is returned, otherwise undefined
*/
function resolveImportedConstructArnToken(construct) {
if (!isImportConstruct(construct)) {
return undefined;
}
for (const [key, desc] of Object.entries(Object.getOwnPropertyDescriptors(construct))) {
if (key.endsWith("Arn") &&
typeof desc.value === "string" &&
desc.value.startsWith("arn:")) {
return tokenizeImportArn(aws_cdk_lib_1.Stack.of(construct).resolve(desc.value));
}
}
return undefined;
}
/**
* Generate token for imported resource arn used to resolve references.
*
* Imported resources are CDK `s3.Bucket.fromBucketArn()` like resources
* that are external from the application.
* @param value The value to tokenize, which is usually an object with nested `Fn:Join: ...["arn:", ...]` format.
* @returns Consistent string hash prefixed with `ImportArn-` prefix.
*/
function tokenizeImportArn(value) {
return generateConsistentUUID(value, "ImportArn-");
}
/**
* Infers CloudFormation Type for a given import resource.
* @param construct {Construct} Import construct such as `s3.Bucket.fromBucketArn()`.
* @param constructInfo {ConstructInfo} Construct info like fqn
* @returns Returns Cloudformation resource type if it can be inferred, otherwise undefined.
*/
function inferImportCfnType(construct, constructInfo) {
if (!isImportConstruct(construct) || !constructInfo) {
return undefined;
}
const [source, pkg, resourceBase] = constructInfo.fqn.split(".");
if (source !== "aws-cdk-lib" ||
!pkg.startsWith("aws_") ||
!resourceBase ||
!resourceBase.endsWith("Base")) {
return undefined;
}
try {
// eslint-disable-next-line @typescript-eslint/no-require-imports
const pkgModule = require(`aws-cdk-lib/${pkg.replace("_", "-")}`);
const cfnResource = "Cfn" + resourceBase.replace(/Base$/, "");
if (cfnResource in pkgModule) {
return pkgModule[cfnResource].CFN_RESOURCE_TYPE_NAME;
}
}
catch (error) {
// ignore
}
return undefined;
}
/** @internal */
function _isCfnFqn(fqn) {
return /^aws-cdk-lib\.[^.]+\.Cfn[^.]+$/.test(fqn);
}
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Copyright [Amazon.com](http://amazon.com/), Inc. or its affiliates. All Rights Reserved.\nSPDX-License-Identifier: Apache-2.0 */\nimport {\n  CfnElement,\n  CfnResource,\n  IInspectable,\n  Names,\n  Resource,\n  Stack,\n  TreeInspector,\n} from \"aws-cdk-lib\";\nimport { Construct, IConstruct } from \"constructs\";\nimport cloneDeep = require(\"lodash.clonedeep\"); // eslint-disable-line @typescript-eslint/no-require-imports\nimport shorthash = require(\"shorthash2\"); // eslint-disable-line @typescript-eslint/no-require-imports\nimport traverse = require(\"traverse\"); // eslint-disable-line @typescript-eslint/no-require-imports\nimport {\n  SGEntity,\n  SGUnresolvedReference,\n  Metadata,\n  Attributes,\n  Tags,\n} from \"./serialized-graph\";\nimport {\n  AssetFqns,\n  CfnAttributesEnum,\n  ConstructInfoFqnEnum,\n  CustomResourceFqns,\n  ExtraneousFqns,\n  FlagEnum,\n  MetadataTypeEnum,\n  ReferenceTypeEnum,\n  UUID,\n} from \"./types\";\nimport { ConstructInfo, constructInfoFromConstruct } from \"../cdk-internals\";\n\n/**\n * Generate deterministic UUID based on given value and prefix.\n * @param value The value to hash as UUID\n * @param {string} [prefix=\"\"] Optional prefix used to prevent value conflicts\n */\nexport function generateConsistentUUID(\n  value: any,\n  prefix: string = \"\"\n): string {\n  return prefix + shorthash(JSON.stringify(value));\n}\n\n/** Get UUID for a given construct */\nexport function getConstructUUID(construct: IConstruct): string {\n  return Names.uniqueResourceName(construct, {});\n}\n\n/** Try to get *logicalId* for given construct */\nexport function tryGetLogicalId(construct: IConstruct): string | undefined {\n  if (CfnElement.isCfnElement(construct)) {\n    const stack = Stack.of(construct);\n    return stack.resolve(stack.getLogicalId(construct));\n  }\n  return undefined;\n}\n\n/** Inferred node props */\nexport interface InferredNodeProps extends SGEntity {\n  readonly logicalId?: string;\n  readonly cfnType?: string;\n  readonly constructInfo?: ConstructInfo;\n  readonly dependencies: UUID[];\n  readonly unresolvedReferences: SGUnresolvedReference[];\n}\n\n/** Infer node props from construct */\nexport function inferNodeProps(construct: Construct): InferredNodeProps {\n  const uuid = getConstructUUID(construct);\n\n  const logicalId = tryGetLogicalId(construct);\n\n  const metadata: Metadata = construct.node.metadata.filter((entry) => {\n    if (entry.type === MetadataTypeEnum.LOGICAL_ID) return false;\n    return true;\n  });\n\n  const attributes: Attributes = cloneDeep(\n    extractInspectableAttributes(construct) || {}\n  );\n\n  const cfnType = attributes[CfnAttributesEnum.TYPE] as string;\n  if (cfnType) {\n    // @ts-ignore\n    delete attributes[CfnAttributesEnum.TYPE];\n  }\n\n  const cfnProps = attributes[CfnAttributesEnum.PROPS] || {};\n\n  let tags: Tags = {};\n  // normalize tags\n  if (typeof cfnProps === \"object\" && \"tags\" in cfnProps) {\n    const _tags = cfnProps.tags as CfnAttributesTags;\n\n    // remove the tags from the attributes since we normalize\n    // @ts-ignore\n    delete cfnProps.tags;\n\n    if (Array.isArray(_tags)) {\n      tags = Object.fromEntries(_tags.map(({ key, value }) => [key, value]));\n    } else {\n      tags = _tags;\n    }\n  }\n\n  const constructInfo = constructInfoFromConstruct(construct);\n\n  const flags = inferFlags(construct, constructInfo, tags);\n\n  return {\n    uuid,\n    attributes,\n    metadata,\n    tags,\n    logicalId,\n    cfnType,\n    constructInfo,\n    dependencies: obtainDependencies(construct),\n    unresolvedReferences: extractUnresolvedReferences(uuid, attributes),\n    flags,\n  };\n}\n\nfunction obtainDependencies(construct: Construct): string[] {\n  if (CfnResource.isCfnResource(construct)) {\n    return construct.obtainDependencies().map(getConstructUUID);\n  }\n\n  return construct.node.dependencies.map(getConstructUUID);\n}\n\ntype CfnAttributesTags =\n  | { key: string; value: string }[]\n  | { [key: string]: string };\n\n/** Extract inspectable attributes from construct */\nexport function extractInspectableAttributes(\n  construct: IConstruct\n): Attributes | undefined {\n  // check if a construct implements IInspectable\n  function canInspect(inspectable: any): inspectable is IInspectable {\n    return inspectable.inspect !== undefined;\n  }\n\n  const inspector = new TreeInspector();\n\n  // get attributes from the inspector\n  if (canInspect(construct)) {\n    construct.inspect(inspector);\n    return Stack.of(construct).resolve(inspector.attributes);\n  }\n  return undefined;\n}\n\n/** Pattern of ignored references. Those which are resolved during deploy-time. */\nexport const IGNORE_REF_PATTERN = /^AWS::/;\n\n/** Extract unresolved references from attributes for a given source */\nexport function extractUnresolvedReferences(\n  source: UUID,\n  from: Attributes\n): SGUnresolvedReference[] {\n  const references: SGUnresolvedReference[] = [];\n\n  traverse(from).forEach(function (this: traverse.TraverseContext) {\n    switch (this.key) {\n      case ReferenceTypeEnum.ATTRIBUTE: {\n        const [logicalId, attribute] = this.node as [string, string];\n        references.push({\n          source,\n          referenceType: ReferenceTypeEnum.ATTRIBUTE,\n          target: logicalId,\n          value: attribute,\n        });\n        this.block();\n        break;\n      }\n      case ReferenceTypeEnum.REF: {\n        if (typeof this.node === \"string\") {\n          if (!IGNORE_REF_PATTERN.test(this.node)) {\n            references.push({\n              source,\n              referenceType: ReferenceTypeEnum.REF,\n              target: this.node as string,\n            });\n          }\n        } else {\n          console.warn(`Found non-string \"Ref\"`, this.node);\n        }\n        this.block();\n        break;\n      }\n      case ReferenceTypeEnum.IMPORT: {\n        // \"Fn::ImportValue\": \"Ada:ExportsOutputFnGetAttCommonStackA8F9EE77OutputsAdaCommonStackCounterTable5D6ADA16ArnED1AF27F\"\n        // \"Fn::ImportValue\": \"Stage-Ada:ExportsOutputFnGetAttCommonStackA8F9EE77OutputsAdaCommonStackCounterTable5D6ADA16ArnED1AF27F\"\n        references.push({\n          source,\n          referenceType: ReferenceTypeEnum.IMPORT,\n          // NB: remove stage - separator\n          target: (this.node as string).replace(\"-\", \"\"),\n        });\n        this.block();\n        break;\n      }\n      case \"Fn::Join\": {\n        if (\n          Array.isArray(this.node) &&\n          this.node.flatMap(String).join(\"\").startsWith(\"arn:\")\n        ) {\n          const potentialImportArn = {\n            \"Fn::Join\": this.node,\n          };\n          references.push({\n            source,\n            referenceType: ReferenceTypeEnum.IMPORT_ARN,\n            target: tokenizeImportArn(potentialImportArn),\n          });\n        }\n        break;\n      }\n    }\n  });\n\n  return references;\n}\n\n// https://github.com/aws/aws-cdk/blob/main/packages/%40aws-cdk/custom-resources/lib/aws-custom-resource/aws-custom-resource.ts#L357\nconst AWS_PROVIDER_FUNCTION_UUID = \"679f53fac002430cb0da5b7982bd2287\";\n\n/** Infer construct flags  */\nexport function inferFlags(\n  construct: IConstruct,\n  constructInfo?: ConstructInfo,\n  tags?: Tags\n): FlagEnum[] {\n  const flags: Set<FlagEnum> = new Set();\n  const fqn = constructInfo?.fqn;\n\n  if (isImportConstruct(construct)) {\n    flags.add(FlagEnum.IMPORT);\n  } else {\n    if (fqn && ExtraneousFqns.includes(fqn as any)) {\n      flags.add(FlagEnum.EXTRANEOUS);\n    }\n\n    if (fqn && AssetFqns.includes(fqn as any)) {\n      flags.add(FlagEnum.ASSET);\n    }\n  }\n\n  if (fqn && _isCfnFqn(fqn)) {\n    flags.add(FlagEnum.CFN_FQN);\n  }\n\n  if (construct.node.id === \"Exports\" && Stack.isStack(construct.node.scope)) {\n    flags.add(FlagEnum.EXTRANEOUS);\n  }\n\n  if (construct.node.id.startsWith(\"SsmParameterValue:\")) {\n    flags.add(FlagEnum.EXTRANEOUS);\n  }\n\n  if (\n    fqn === ConstructInfoFqnEnum.LAMBDA &&\n    Resource.isOwnedResource(construct)\n  ) {\n    if (construct.node.id === `AWS${AWS_PROVIDER_FUNCTION_UUID}`) {\n      flags.add(FlagEnum.AWS_API_CALL_LAMBDA);\n      flags.add(FlagEnum.EXTRANEOUS);\n    }\n  }\n\n  if (fqn && CustomResourceFqns.includes(fqn as any)) {\n    flags.add(FlagEnum.CUSTOM_RESOURCE);\n    if (fqn === ConstructInfoFqnEnum.AWS_CUSTOM_RESOURCE) {\n      flags.add(FlagEnum.AWS_CUSTOM_RESOURCE);\n    }\n  }\n\n  // https://github.com/aws/aws-cdk/blob/37f031f1f1c41bbfb6f8e8a56f73b5966e365ff6/packages/%40aws-cdk/aws-s3/lib/bucket.ts#L21\n  if (tags && tags[\"aws-cdk:auto-delete-objects\"] === \"true\") {\n    flags.add(FlagEnum.EXTRANEOUS);\n  }\n\n  if (\n    /^Custom::(CDK(BucketDeployment)|S3AutoDeleteObjects)/i.test(\n      construct.node.id\n    )\n  ) {\n    flags.add(FlagEnum.EXTRANEOUS);\n  }\n\n  return Array.from(flags.values());\n}\n\n/**\n * Indicates if given construct is an import (eg: `s3.Bucket.fromBucketArn()`)\n */\nexport function isImportConstruct(construct: Construct): boolean {\n  if (!Resource.isResource(construct)) {\n    return false;\n  }\n\n  // CDK import constructs extend based resource classes via `class Import extends XXXBase` syntax.\n  // https://github.com/aws/aws-cdk/blob/main/packages/%40aws-cdk/aws-s3/lib/bucket.ts#L1621\n  return construct.constructor.name === \"Import\";\n}\n\n/**\n * Resolve an imported resources arn to tokenized hash value of arn.\n * @see {@link tokenizeImportArn}\n * @param construct {Construct} Imported resource to resolve arn for.\n * @returns If construct is an imported resource and able to infer the arn for it then the tokenized arn value is returned, otherwise undefined\n */\nexport function resolveImportedConstructArnToken(\n  construct: Construct\n): string | undefined {\n  if (!isImportConstruct(construct)) {\n    return undefined;\n  }\n\n  for (const [key, desc] of Object.entries(\n    Object.getOwnPropertyDescriptors(construct)\n  )) {\n    if (\n      key.endsWith(\"Arn\") &&\n      typeof desc.value === \"string\" &&\n      desc.value.startsWith(\"arn:\")\n    ) {\n      return tokenizeImportArn(Stack.of(construct).resolve(desc.value));\n    }\n  }\n\n  return undefined;\n}\n\n/**\n * Generate token for imported resource arn used to resolve references.\n *\n * Imported resources are CDK `s3.Bucket.fromBucketArn()` like resources\n * that are external from the application.\n * @param value The value to tokenize, which is usually an object with nested `Fn:Join: ...[\"arn:\", ...]` format.\n * @returns Consistent string hash prefixed with `ImportArn-` prefix.\n */\nexport function tokenizeImportArn(value: any): string {\n  return generateConsistentUUID(value, \"ImportArn-\");\n}\n\n/**\n * Infers CloudFormation Type for a given import resource.\n * @param construct {Construct} Import construct such as `s3.Bucket.fromBucketArn()`.\n * @param constructInfo {ConstructInfo} Construct info like fqn\n * @returns Returns Cloudformation resource type if it can be inferred, otherwise undefined.\n */\nexport function inferImportCfnType(\n  construct: Construct,\n  constructInfo?: ConstructInfo\n): string | undefined {\n  if (!isImportConstruct(construct) || !constructInfo) {\n    return undefined;\n  }\n\n  const [source, pkg, resourceBase] = constructInfo.fqn.split(\".\");\n\n  if (\n    source !== \"aws-cdk-lib\" ||\n    !pkg.startsWith(\"aws_\") ||\n    !resourceBase ||\n    !resourceBase.endsWith(\"Base\")\n  ) {\n    return undefined;\n  }\n\n  try {\n    // eslint-disable-next-line @typescript-eslint/no-require-imports\n    const pkgModule = require(`aws-cdk-lib/${pkg.replace(\"_\", \"-\")}`);\n    const cfnResource = \"Cfn\" + resourceBase.replace(/Base$/, \"\");\n\n    if (cfnResource in pkgModule) {\n      return pkgModule[cfnResource].CFN_RESOURCE_TYPE_NAME;\n    }\n  } catch (error) {\n    // ignore\n  }\n\n  return undefined;\n}\n\n/** @internal */\nfunction _isCfnFqn(fqn: string): boolean {\n  return /^aws-cdk-lib\\.[^.]+\\.Cfn[^.]+$/.test(fqn);\n}\n"]}