File size: 4,949 Bytes
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Capabilities,
EModelEndpoint,
isAgentsEndpoint,
isAssistantsEndpoint,
defaultRetrievalModels,
defaultAssistantsVersion,
defaultAgentCapabilities,
} = require('librechat-data-provider');
const { sendEvent } = require('@librechat/api');
const partialRight = require('lodash/partialRight');
const addSpaceIfNeeded = (text) => (text.length > 0 && !text.endsWith(' ') ? text + ' ' : text);
const base = { message: true, initial: true };
const createOnProgress = (
{ generation = '', onProgress: _onProgress } = {
generation: '',
onProgress: null,
},
) => {
let i = 0;
let tokens = addSpaceIfNeeded(generation);
const basePayload = Object.assign({}, base, { text: tokens || '' });
const progressCallback = (chunk, { res, ...rest }) => {
basePayload.text = basePayload.text + chunk;
const payload = Object.assign({}, basePayload, rest);
sendEvent(res, payload);
if (_onProgress) {
_onProgress(payload);
}
if (i === 0) {
basePayload.initial = false;
}
i++;
};
const sendIntermediateMessage = (res, payload, extraTokens = '') => {
basePayload.text = basePayload.text + extraTokens;
const message = Object.assign({}, basePayload, payload);
sendEvent(res, message);
if (i === 0) {
basePayload.initial = false;
}
i++;
};
const onProgress = (opts) => {
return partialRight(progressCallback, opts);
};
const getPartialText = () => {
return basePayload.text;
};
return { onProgress, getPartialText, sendIntermediateMessage };
};
const handleText = async (response) => {
let { text } = response;
response.text = text;
return text;
};
const isObject = (item) => item && typeof item === 'object' && !Array.isArray(item);
const getString = (input) => (isObject(input) ? JSON.stringify(input) : input);
function formatSteps(steps) {
let output = '';
for (let i = 0; i < steps.length; i++) {
const step = steps[i];
const actionInput = getString(step.action.toolInput);
const observation = step.observation;
if (actionInput === 'N/A' || observation?.trim()?.length === 0) {
continue;
}
output += `Input: ${actionInput}\nOutput: ${getString(observation)}`;
if (steps.length > 1 && i !== steps.length - 1) {
output += '\n---\n';
}
}
return output;
}
function formatAction(action) {
const formattedAction = {
plugin: action.tool,
input: getString(action.toolInput),
thought: action.log.includes('Thought: ')
? action.log.split('\n')[0].replace('Thought: ', '')
: action.log.split('\n')[0],
};
formattedAction.thought = getString(formattedAction.thought);
if (action.tool.toLowerCase() === 'self-reflection' || formattedAction.plugin === 'N/A') {
formattedAction.inputStr = `{\n\tthought: ${formattedAction.input}${
!formattedAction.thought.includes(formattedAction.input)
? ' - ' + formattedAction.thought
: ''
}\n}`;
formattedAction.inputStr = formattedAction.inputStr.replace('N/A - ', '');
} else {
const hasThought = formattedAction.thought.length > 0;
const thought = hasThought ? `\n\tthought: ${formattedAction.thought}` : '';
formattedAction.inputStr = `{\n\tplugin: ${formattedAction.plugin}\n\tinput: ${formattedAction.input}\n${thought}}`;
}
return formattedAction;
}
/**
* Checks if the provided value is 'user_provided'.
*
* @param {string} value - The value to check.
* @returns {boolean} - Returns true if the value is 'user_provided', otherwise false.
*/
const isUserProvided = (value) => value === 'user_provided';
/**
* Generate the configuration for a given key and base URL.
* @param {string} key
* @param {string} [baseURL]
* @param {string} [endpoint]
* @returns {boolean | { userProvide: boolean, userProvideURL?: boolean }}
*/
function generateConfig(key, baseURL, endpoint) {
if (!key) {
return false;
}
/** @type {{ userProvide: boolean, userProvideURL?: boolean }} */
const config = { userProvide: isUserProvided(key) };
if (baseURL) {
config.userProvideURL = isUserProvided(baseURL);
}
const assistants = isAssistantsEndpoint(endpoint);
const agents = isAgentsEndpoint(endpoint);
if (assistants) {
config.retrievalModels = defaultRetrievalModels;
config.capabilities = [
Capabilities.code_interpreter,
Capabilities.image_vision,
Capabilities.retrieval,
Capabilities.actions,
Capabilities.tools,
];
}
if (agents) {
config.capabilities = defaultAgentCapabilities;
}
if (assistants && endpoint === EModelEndpoint.azureAssistants) {
config.version = defaultAssistantsVersion.azureAssistants;
} else if (assistants) {
config.version = defaultAssistantsVersion.assistants;
}
return config;
}
module.exports = {
handleText,
formatSteps,
formatAction,
isUserProvided,
generateConfig,
addSpaceIfNeeded,
createOnProgress,
};
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