Fix punctuation (#477)

* add punctuate command

* check punctuation before alignment

enjoy/src/commands/index.ts

@@ -3,3 +3,4 @@ export * from "./lookup.command";
 export * from "./translate.command";
 export * from "./ipa.command";
 export * from "./analyze.command";
+export * from "./punctuate.command";

enjoy/src/commands/punctuate.command.ts

@@ -0,0 +1,38 @@
+import { ChatOpenAI } from "@langchain/openai";
+import { ChatPromptTemplate } from "@langchain/core/prompts";
+
+export const punctuateCommand = async (
+  text: string,
+  options: {
+    key: string;
+    modelName?: string;
+    temperature?: number;
+    baseUrl?: string;
+  }
+): Promise<string> => {
+  const { key, temperature = 0, baseUrl } = options;
+  let { modelName = "gpt-4-turbo-preview" } = options;
+
+  const chatModel = new ChatOpenAI({
+    openAIApiKey: key,
+    modelName,
+    temperature,
+    configuration: {
+      baseURL: baseUrl,
+    },
+    cache: false,
+    verbose: true,
+    maxRetries: 2,
+  });
+
+  const prompt = ChatPromptTemplate.fromMessages([
+    ["system", SYSTEM_PROMPT],
+    ["human", text],
+  ]);
+
+  const response = await prompt.pipe(chatModel).invoke({});
+
+  return response.text;
+};
+
+const SYSTEM_PROMPT = `Please add proper punctuation to the text I provide you. Return the corrected text only.`;