adding license information for cdk code

src/cdk-logical-id.ts

@@ -0,0 +1,88 @@
+// Copyright 2018-2024 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// NOTE:
+// Most of this code was copied from https://github.com/aws/aws-cdk/blob/ccab485b87a7090ddf0773508d7b8ee84ff654b0/packages/aws-cdk-lib/core/lib/private/uniqueid.ts
+// with the modification of removing logic related to adding the path hash to the logicalId
+import * as cdk from 'aws-cdk-lib/core';
+/**
+ * Resources with this ID are hidden from humans
+ *
+ * They do not appear in the human-readable part of the logical ID
+ */
+const HIDDEN_FROM_HUMAN_ID = 'Resource';
+
+/**
+ * Resources with this ID are complete hidden from the logical ID calculation.
+ */
+const HIDDEN_ID = 'Default';
+const MAX_HUMAN_LEN = 240; // this is the value in CDK and seems like a good default to keep
+
+/**
+ * Calculates a unique ID for a set of textual components.
+ *
+ * This is forked from the internal cdk implementation with the removal of the hash suffix.
+ * We remove the hash from the CDK logical ID calculation because Pulumi already handles
+ * adding a unique random suffix and we do not want to end up with a double hash.
+ * @see https://github.com/aws/aws-cdk/blob/ccab485b87a7090ddf0773508d7b8ee84ff654b0/packages/aws-cdk-lib/core/lib/private/uniqueid.ts?plain=1#L32
+ *
+ * @param components The path components
+ * @returns a unique alpha-numeric identifier with a maximum length of 255
+ */
+export function makeUniqueId(components: string[]) {
+    components = components.filter((x) => x !== HIDDEN_ID);
+
+    if (components.length === 0) {
+        throw new Error('Unable to calculate a unique id for an empty set of components');
+    }
+
+    // Lazy require in order to break a module dependency cycle
+    const unresolvedTokens = components.filter((c) => cdk.Token.isUnresolved(c));
+    if (unresolvedTokens.length > 0) {
+        throw new Error(`ID components may not include unresolved tokens: ${unresolvedTokens.join(',')}`);
+    }
+
+    const human = removeDupes(components)
+        .filter((x) => x !== HIDDEN_FROM_HUMAN_ID)
+        .map(removeNonAlphanumeric)
+        .join('')
+        .slice(0, MAX_HUMAN_LEN);
+
+    return human;
+}
+
+/**
+ * Remove duplicate "terms" from the path list
+ *
+ * If the previous path component name ends with this component name, skip the
+ * current component.
+ */
+function removeDupes(path: string[]): string[] {
+    const ret = new Array<string>();
+
+    for (const component of path) {
+        if (ret.length === 0 || !ret[ret.length - 1].endsWith(component)) {
+            ret.push(component);
+        }
+    }
+
+    return ret;
+}
+
+/**
+ * Removes all non-alphanumeric characters in a string.
+ */
+function removeNonAlphanumeric(s: string) {
+    return s.replace(/[^A-Za-z0-9]/g, '');
+}

src/stack.ts

@@ -18,6 +18,7 @@ import { AppConverter, StackConverter } from './converters/app-converter';
 import { PulumiSynthesizer, PulumiSynthesizerBase } from './synthesizer';
 import { AwsCdkCli, ICloudAssemblyDirectoryProducer } from '@aws-cdk/cli-lib-alpha';
 import { CdkConstruct } from './interop';
+import { makeUniqueId } from './cdk-logical-id';
 
 export type AppOutputs = { [outputId: string]: pulumi.Output<any> };
 
@@ -324,74 +325,3 @@ function generateAppId(): string {
         .replace(/[^a-z0-9-.]/g, '-')
         .slice(-17);
 }
-
-/**
- * Resources with this ID are hidden from humans
- *
- * They do not appear in the human-readable part of the logical ID
- */
-const HIDDEN_FROM_HUMAN_ID = 'Resource';
-
-/**
- * Resources with this ID are complete hidden from the logical ID calculation.
- */
-const HIDDEN_ID = 'Default';
-const MAX_HUMAN_LEN = 240; // this is the value in CDK and seems like a good default to keep
-
-/**
- * Calculates a unique ID for a set of textual components.
- *
- * This is forked from the internal cdk implementation with the removal of the hash suffix.
- * We remove the hash from the CDK logical ID calculation because Pulumi already handles
- * adding a unique random suffix and we do not want to end up with a double hash.
- * @see https://github.com/aws/aws-cdk/blob/ccab485b87a7090ddf0773508d7b8ee84ff654b0/packages/aws-cdk-lib/core/lib/private/uniqueid.ts?plain=1#L32
- *
- * @param components The path components
- * @returns a unique alpha-numeric identifier with a maximum length of 255
- */
-function makeUniqueId(components: string[]) {
-    components = components.filter((x) => x !== HIDDEN_ID);
-
-    if (components.length === 0) {
-        throw new Error('Unable to calculate a unique id for an empty set of components');
-    }
-
-    // Lazy require in order to break a module dependency cycle
-    const unresolvedTokens = components.filter((c) => cdk.Token.isUnresolved(c));
-    if (unresolvedTokens.length > 0) {
-        throw new Error(`ID components may not include unresolved tokens: ${unresolvedTokens.join(',')}`);
-    }
-
-    const human = removeDupes(components)
-        .filter((x) => x !== HIDDEN_FROM_HUMAN_ID)
-        .map(removeNonAlphanumeric)
-        .join('')
-        .slice(0, MAX_HUMAN_LEN);
-
-    return human;
-}
-
-/**
- * Remove duplicate "terms" from the path list
- *
- * If the previous path component name ends with this component name, skip the
- * current component.
- */
-function removeDupes(path: string[]): string[] {
-    const ret = new Array<string>();
-
-    for (const component of path) {
-        if (ret.length === 0 || !ret[ret.length - 1].endsWith(component)) {
-            ret.push(component);
-        }
-    }
-
-    return ret;
-}
-
-/**
- * Removes all non-alphanumeric characters in a string.
- */
-function removeNonAlphanumeric(s: string) {
-    return s.replace(/[^A-Za-z0-9]/g, '');
-}