Add formfactor COMPLETION which emulates Completion variant of the model

Author: hejny

CHANGELOG.md

@@ -792,7 +792,7 @@ Models and Migrations
 -   Autoheal `\r` in `CsvFormatParser` ~~`CsvFormatDefinition`~~
 -   Add `getIndexedDbStorage`
 -   Pipeline migrations
--   Add formfactor `WRITER` <!-- <- TODO: !!!! Review that this is the real ff added -->
+-   Add formfactor `COMPLETION` which emulates `Completion` variant of the model <!-- <- TODO: !!!! Review that this is the real ff added -->
 
 ## Drafts
 

book

@@ -0,0 +1,39 @@
+import type { AbstractFormfactorDefinition } from '../_common/AbstractFormfactorDefinition';
+
+/**
+ * Completion is formfactor that emulates completion models
+ *
+ * @public exported from `@promptbook/core`
+ */
+export const CompletionFormfactorDefinition = {
+    name: 'COMPLETION',
+    description: `@@@`,
+    documentationUrl: `https://github.com/webgptorg/promptbook/discussions/@@`,
+    //                                                                     <- TODO: https://github.com/webgptorg/promptbook/discussions/new?category=concepts
+    //                                                                              "🔠 Completion Formfactor"
+
+    pipelineInterface: {
+        inputParameters: [
+            {
+                name: 'inputText',
+                description: `Input text to be completed`,
+                isInput: true,
+                isOutput: false,
+            },
+            {
+                name: 'instructions',
+                description: `Additional instructions for the model, for example the required length, empty by default`,
+                isInput: true,
+                isOutput: false,
+            },
+        ],
+        outputParameters: [
+            {
+                name: 'followingText',
+                description: `Text that follows the input text`,
+                isInput: false,
+                isOutput: true,
+            },
+        ],
+    },
+} as const satisfies AbstractFormfactorDefinition;

src/formfactors/completion/CompletionFormfactorDefinition.ts

@@ -1,4 +1,5 @@
 import { ChatbotFormfactorDefinition } from './chatbot/ChatbotFormfactorDefinition';
+import { CompletionFormfactorDefinition } from './completion/CompletionFormfactorDefinition';
 import { GeneratorFormfactorDefinition } from './generator/GeneratorFormfactorDefinition';
 import { GenericFormfactorDefinition } from './generic/GenericFormfactorDefinition';
 import { ImageGeneratorFormfactorDefinition } from './image-generator/ImageGeneratorFormfactorDefinition';
@@ -19,6 +20,7 @@ export const FORMFACTOR_DEFINITIONS = [
     MatcherFormfactorDefinition,
     GeneratorFormfactorDefinition,
     ImageGeneratorFormfactorDefinition,
+    CompletionFormfactorDefinition,
     // <- [🛬] When making new formfactor, copy the _boilerplate and link it here
 ] as const;