Refactoring and cleanup.

Author: kinyoklion

packages/sdk/ai/src/LDAIClientImpl.ts

@@ -0,0 +1,67 @@
+import Mustache from 'mustache';
+
+import { LDClient, LDContext } from '@launchdarkly/node-server-sdk';
+
+import { LDAIClient } from './api/AIClient';
+import { LDAIConfig, LDGenerationConfig, LDModelConfig, LDPrompt } from './api/config';
+import { LDAIConfigTrackerImpl } from './LDAIConfigTrackerImpl';
+
+/**
+ * Metadata assorted with a model configuration variation.
+ */
+interface LDMeta {
+  versionId: string;
+}
+
+/**
+ * Interface for the model configuration variation returned by LaunchDarkly. This is the internal
+ * typing and not meant for exposure to the application developer.
+ */
+interface VariationContent {
+  model?: LDModelConfig;
+  prompt?: LDPrompt[];
+  _ldMeta?: LDMeta;
+}
+
+export class AIClientImpl implements LDAIClient {
+  private _ldClient: LDClient;
+
+  constructor(ldClient: LDClient) {
+    this._ldClient = ldClient;
+  }
+
+  interpolateTemplate(template: string, variables: Record<string, unknown>): string {
+    return Mustache.render(template, variables, undefined, { escape: (item: any) => item });
+  }
+
+  async modelConfig<TDefault extends LDGenerationConfig>(
+    key: string,
+    context: LDContext,
+    defaultValue: TDefault,
+    variables?: Record<string, unknown>,
+  ): Promise<LDAIConfig> {
+    const value: VariationContent = await this._ldClient.variation(key, context, defaultValue);
+    const config: LDGenerationConfig = { ...value };
+    const allVariables = { ldctx: context, ...variables };
+
+    if (value.prompt) {
+      config.prompt = value.prompt.map((entry: any) => ({
+        ...entry,
+        content: this.interpolateTemplate(entry.content, allVariables),
+      }));
+    }
+
+    return {
+      config,
+      // eslint-disable-next-line no-underscore-dangle
+      tracker: new LDAIConfigTrackerImpl(
+        this._ldClient,
+        key,
+        // eslint-disable-next-line no-underscore-dangle
+        value._ldMeta?.versionId ?? '',
+        context,
+      ),
+      noConfiguration: Object.keys(value).length === 0,
+    };
+  }
+}

packages/sdk/ai/src/api/AIClient.ts

@@ -5,7 +5,7 @@ import { LDAIConfig, LDGenerationConfig } from './config/LDAIConfig';
  * Interface for performing AI operations using LaunchDarkly.
  */
 
-export interface AIClient {
+export interface LDAIClient {
   /**
    * Parses and interpolates a template string with the provided variables.
    *

packages/sdk/ai/src/index.ts

@@ -1,70 +1,14 @@
-import Mustache from 'mustache';
+import { LDClient } from '@launchdarkly/node-server-sdk';
 
-import { LDClient, LDContext } from '@launchdarkly/node-server-sdk';
-
-import { AIClient } from './api/AIClient';
-import { LDAIConfig, LDGenerationConfig, LDModelConfig, LDPrompt } from './api/config';
-import { LDAIConfigTrackerImpl } from './LDAIConfigTrackerImpl';
-
-interface LDMeta {
-  versionId: string;
-}
-
-interface VariationContent {
-  model?: LDModelConfig;
-  prompt?: LDPrompt[];
-  _ldMeta?: LDMeta;
-}
-
-export class AIClientImpl implements AIClient {
-  private _ldClient: LDClient;
-
-  constructor(ldClient: LDClient) {
-    this._ldClient = ldClient;
-  }
-
-  interpolateTemplate(template: string, variables: Record<string, unknown>): string {
-    return Mustache.render(template, variables, undefined, { escape: (item: any) => item });
-  }
-
-  async modelConfig<TDefault extends LDGenerationConfig>(
-    key: string,
-    context: LDContext,
-    defaultValue: TDefault,
-    variables?: Record<string, unknown>,
-  ): Promise<LDAIConfig> {
-    const value: VariationContent = await this._ldClient.variation(key, context, defaultValue);
-    const config: LDGenerationConfig = { ...value };
-    const allVariables = { ldctx: context, ...variables };
-
-    if (value.prompt) {
-      config.prompt = value.prompt.map((entry: any) => ({
-        ...entry,
-        content: this.interpolateTemplate(entry.content, allVariables),
-      }));
-    }
-
-    return {
-      config,
-      // eslint-disable-next-line no-underscore-dangle
-      tracker: new LDAIConfigTrackerImpl(
-        this._ldClient,
-        key,
-        // eslint-disable-next-line no-underscore-dangle
-        value._ldMeta?.versionId ?? '',
-        context,
-      ),
-      noConfiguration: Object.keys(value).length === 0,
-    };
-  }
-}
+import { LDAIClient } from './api/AIClient';
+import { AIClientImpl } from './LDAIClientImpl';
 
 /**
  * Initialize a new AI client. This client will be used to perform any AI operations.
  * @param ldClient The base LaunchDarkly client.
  * @returns A new AI client.
  */
-export function initAi(ldClient: LDClient): AIClient {
+export function initAi(ldClient: LDClient): LDAIClient {
   return new AIClientImpl(ldClient);
 }