@genkit-ai/dotprompt/lib/registry.mjs.map

Genkit AI framework `.prompt` file format and management library.

{"version":3,"sources":["../src/registry.ts"],"sourcesContent":["/**\n * Copyright 2024 Google LLC\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *     http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nimport { PromptAction } from '@genkit-ai/ai';\nimport { GenkitError } from '@genkit-ai/core';\nimport { logger } from '@genkit-ai/core/logging';\nimport { lookupAction } from '@genkit-ai/core/registry';\nimport { existsSync, readdir, readFileSync } from 'fs';\nimport { basename, join, resolve } from 'path';\nimport { Dotprompt } from './prompt.js';\nimport { definePartial } from './template.js';\n\nexport function registryDefinitionKey(\n  name: string,\n  variant?: string,\n  ns?: string\n) {\n  // \"ns/prompt.variant\" where ns and variant are optional\n  return `${ns ? `${ns}/` : ''}${name}${variant ? `.${variant}` : ''}`;\n}\n\nexport function registryLookupKey(name: string, variant?: string, ns?: string) {\n  return `/prompt/${registryDefinitionKey(name, variant, ns)}`;\n}\n\nexport async function lookupPrompt(\n  name: string,\n  variant?: string,\n  dir: string = './prompts'\n): Promise<Dotprompt> {\n  let registryPrompt =\n    (await lookupAction(registryLookupKey(name, variant))) ||\n    (await lookupAction(registryLookupKey(name, variant, 'dotprompt')));\n  if (registryPrompt) {\n    return Dotprompt.fromAction(registryPrompt as PromptAction);\n  } else {\n    // Handle the case where initialization isn't complete\n    // or a file was added after the prompt folder was loaded.\n    return maybeLoadPrompt(dir, name, variant);\n  }\n}\n\nasync function maybeLoadPrompt(\n  dir: string,\n  name: string,\n  variant?: string\n): Promise<Dotprompt> {\n  const expectedFileName = `${name}${variant ? `.${variant}` : ''}.prompt`;\n  const promptFolder = resolve(dir);\n  const promptExists = existsSync(join(promptFolder, expectedFileName));\n  if (promptExists) {\n    return loadPrompt(promptFolder, expectedFileName);\n  } else {\n    throw new GenkitError({\n      source: 'dotprompt',\n      status: 'NOT_FOUND',\n      message: `Could not find '${expectedFileName}' in the prompts folder.`,\n    });\n  }\n}\n\nexport async function loadPromptFolder(\n  dir: string = './prompts'\n): Promise<void> {\n  const promptsPath = resolve(dir);\n  return new Promise<void>((resolve, reject) => {\n    if (existsSync(promptsPath)) {\n      readdir(\n        promptsPath,\n        {\n          withFileTypes: true,\n          recursive: true,\n        },\n        (err, dirEnts) => {\n          if (err) {\n            reject(err);\n          } else {\n            dirEnts.forEach(async (dirEnt) => {\n              if (dirEnt.isFile() && dirEnt.name.endsWith('.prompt')) {\n                if (dirEnt.name.startsWith('_')) {\n                  console.log(dirEnt.name);\n                  const partialName = dirEnt.name.substring(\n                    1,\n                    dirEnt.name.length - 7\n                  );\n                  definePartial(\n                    partialName,\n                    readFileSync(join(dirEnt.path, dirEnt.name), {\n                      encoding: 'utf8',\n                    })\n                  );\n                  logger.debug(\n                    `Registered Dotprompt partial \"${partialName}\" from \"${join(dirEnt.path, dirEnt.name)}\"`\n                  );\n                } else {\n                  // If this prompt is in a subdirectory, we need to include that\n                  // in the namespace to prevent naming conflicts.\n                  let prefix = '';\n                  if (promptsPath !== dirEnt.path) {\n                    prefix = dirEnt.path\n                      .replace(`${promptsPath}/`, '')\n                      .replace(/\\//g, '-');\n                  }\n                  loadPrompt(dirEnt.path, dirEnt.name, prefix);\n                }\n              }\n            });\n            resolve();\n          }\n        }\n      );\n    } else {\n      resolve();\n    }\n  });\n}\n\nexport function loadPrompt(\n  path: string,\n  filename: string,\n  prefix = ''\n): Dotprompt {\n  let name = `${prefix ? 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