SillyTavern/src/chat-completion.js

55 lines
1.7 KiB
JavaScript

/**
* Convert a prompt from the ChatML objects to the format used by Claude.
* @param {object[]} messages Array of messages
* @param {boolean} addHumanPrefix Add Human prefix
* @param {boolean} addAssistantPostfix Add Assistant postfix
* @returns {string} Prompt for Claude
* @copyright Prompt Conversion script taken from RisuAI by kwaroran (GPLv3).
*/
function convertClaudePrompt(messages, addHumanPrefix, addAssistantPostfix) {
// Claude doesn't support message names, so we'll just add them to the message content.
for (const message of messages) {
if (message.name && message.role !== "system") {
message.content = message.name + ": " + message.content;
delete message.name;
}
}
let requestPrompt = messages.map((v) => {
let prefix = '';
switch (v.role) {
case "assistant":
prefix = "\n\nAssistant: ";
break
case "user":
prefix = "\n\nHuman: ";
break
case "system":
// According to the Claude docs, H: and A: should be used for example conversations.
if (v.name === "example_assistant") {
prefix = "\n\nA: ";
} else if (v.name === "example_user") {
prefix = "\n\nH: ";
} else {
prefix = "\n\n";
}
break
}
return prefix + v.content;
}).join('');
if (addHumanPrefix) {
requestPrompt = "\n\nHuman: " + requestPrompt;
}
if (addAssistantPostfix) {
requestPrompt = requestPrompt + '\n\nAssistant: ';
}
return requestPrompt;
}
module.exports = {
convertClaudePrompt,
}