helper.ts•1.24 kB
/**
* Copyright 2024 Google LLC
*
* 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.
*/
import { Dotprompt, type PromptFunction } from 'dotprompt';
import { readFileSync } from 'fs';
/** Helper function to get current directory, isolated in a separate file to work with ESM */
export function getDirName() {
return __dirname;
}
const dp = new Dotprompt();
export function loadPromptFile(path: string): Promise<PromptFunction> {
return dp.compile(dp.parse(readFileSync(path, 'utf8')));
}
export async function renderText(
prompt: PromptFunction,
input
): Promise<string> {
const renderred = await prompt({
input,
});
return renderred.messages
.map((m) => m.content.map((c) => c.text).join())
.join();
}