Talon
/
chat-with-gpt
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

update trimmer logic

main
Cogent Apps 2023-03-20 14:13:43 +00:00
parent 95bf0aef6c
commit 746981ed9e
1 changed files with 23 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
app/src/tokenizer/chat-history-trimmer.ts
View File

@ -46,10 +46,29 @@ export class ChatHistoryTrimmer {
return this.output;
}
const systemPrompt = this.messages.find(m => m.role === 'system');
const firstUserMessage = this.messages.find(m => m.role === 'user');
const last = this.messages[this.messages.length - 1];
this.output = [
tokenizer.truncateMessage(systemPrompt!, 100),
];
if (firstUserMessage === last) {
this.output.push(tokenizer.truncateMessage(firstUserMessage, this.options.maxTokens - 100));
} else {
this.output.push(tokenizer.truncateMessage(firstUserMessage!, 100));
this.output.push(tokenizer.truncateMessage(last, this.options.maxTokens - 200));
}
excessTokens = this.countExcessTokens();
if (excessTokens === 0) {
return this.output;
}
this.output = [
tokenizer.truncateMessage(last, this.options.maxTokens),
]
];
return this.output;
}
@ -82,13 +101,13 @@ export class ChatHistoryTrimmer {
const output: OpenAIMessage[] = [...this.output];
for (let i = 0; i < this.output.length && tokenizer.countTokensForMessages(output) > this.options.maxTokens; i++) {
if (i == lastMessageIndex) {
if (i === lastMessageIndex) {
continue;
}
if (i !== systemPromptIndex && !this.options.preserveSystemPrompt) {
if (i === systemPromptIndex || this.options.preserveSystemPrompt) {
continue;
}
if (i !== firstUserMessageIndex && this.options.preserveFirstUserMessage) {
if (i === firstUserMessageIndex || this.options.preserveFirstUserMessage) {
continue;
}
output[i].content = '';