RWKV-Runner/frontend/src/pages/Completion.tsx
2023-05-25 00:51:45 +08:00

311 lines
10 KiB
TypeScript

import React, { FC, useEffect, useRef } from 'react';
import { observer } from 'mobx-react-lite';
import { WorkHeader } from '../components/WorkHeader';
import { Button, Dropdown, Input, Option, Textarea } from '@fluentui/react-components';
import { Labeled } from '../components/Labeled';
import { ValuedSlider } from '../components/ValuedSlider';
import { useTranslation } from 'react-i18next';
import { ApiParameters } from './Configs';
import commonStore, { ModelStatus } from '../stores/commonStore';
import { fetchEventSource } from '@microsoft/fetch-event-source';
import { toast } from 'react-toastify';
export type CompletionParams = Omit<ApiParameters, 'apiPort'> & { stop: string }
export type CompletionPreset = {
name: string,
prompt: string,
params: CompletionParams
}
export const defaultPresets: CompletionPreset[] = [{
name: 'Writer',
prompt: 'The following is an epic science fiction masterpiece that is immortalized, with delicate descriptions and grand depictions of interstellar civilization wars.\nChapter 1.\n',
params: {
maxResponseToken: 4100,
temperature: 1,
topP: 0.5,
presencePenalty: 0.4,
frequencyPenalty: 0.4,
stop: ''
}
}, {
name: 'Translator',
prompt: '',
params: {
maxResponseToken: 4100,
temperature: 1,
topP: 0.5,
presencePenalty: 0.4,
frequencyPenalty: 0.4,
stop: ''
}
}, {
name: 'Catgirl',
prompt: '',
params: {
maxResponseToken: 4100,
temperature: 1,
topP: 0.5,
presencePenalty: 0.4,
frequencyPenalty: 0.4,
stop: ''
}
}, {
name: 'Explain Code',
prompt: '',
params: {
maxResponseToken: 4100,
temperature: 1,
topP: 0.5,
presencePenalty: 0.4,
frequencyPenalty: 0.4,
stop: ''
}
}, {
name: 'Werewolf',
prompt: '',
params: {
maxResponseToken: 4100,
temperature: 1,
topP: 0.5,
presencePenalty: 0.4,
frequencyPenalty: 0.4,
stop: ''
}
}, {
name: 'Blank',
prompt: '',
params: {
maxResponseToken: 4100,
temperature: 1,
topP: 0.5,
presencePenalty: 0.4,
frequencyPenalty: 0.4,
stop: ''
}
}];
const CompletionPanel: FC = observer(() => {
const { t } = useTranslation();
const inputRef = useRef<HTMLTextAreaElement>(null);
const port = commonStore.getCurrentModelConfig().apiParameters.apiPort;
const sseControllerRef = useRef<AbortController | null>(null);
const scrollToBottom = () => {
if (inputRef.current)
inputRef.current.scrollTop = inputRef.current.scrollHeight;
};
useEffect(() => {
if (inputRef.current)
inputRef.current.style.height = '100%';
scrollToBottom();
}, []);
const setPreset = (preset: CompletionPreset) => {
commonStore.setCompletionPreset({
...preset,
prompt: t(preset.prompt)
});
};
if (!commonStore.completionPreset)
setPreset(defaultPresets[0]);
const name = commonStore.completionPreset!.name;
const prompt = commonStore.completionPreset!.prompt;
const setPrompt = (prompt: string) => {
commonStore.setCompletionPreset({
...commonStore.completionPreset!,
prompt
});
};
const params = commonStore.completionPreset!.params;
const setParams = (newParams: Partial<CompletionParams>) => {
commonStore.setCompletionPreset({
...commonStore.completionPreset!,
params: {
...commonStore.completionPreset!.params,
...newParams
}
});
};
const onSubmit = (prompt: string) => {
if (commonStore.status.status === ModelStatus.Offline) {
toast(t('Please click the button in the top right corner to start the model'), { type: 'warning' });
commonStore.setCompletionGenerating(false);
return;
}
let answer = '';
sseControllerRef.current = new AbortController();
fetchEventSource(`http://127.0.0.1:${port}/completions`, // https://api.openai.com/v1/completions || http://127.0.0.1:${port}/completions
{
method: 'POST',
headers: {
'Content-Type': 'application/json',
Authorization: `Bearer sk-`
},
body: JSON.stringify({
prompt,
stream: true,
model: 'text-davinci-003',
max_tokens: params.maxResponseToken,
temperature: params.temperature,
top_p: params.topP,
presence_penalty: params.presencePenalty,
frequency_penalty: params.frequencyPenalty,
stop: params.stop || undefined
}),
signal: sseControllerRef.current?.signal,
onmessage(e) {
console.log('sse message', e);
scrollToBottom();
if (e.data === '[DONE]') {
commonStore.setCompletionGenerating(false);
return;
}
let data;
try {
data = JSON.parse(e.data);
} catch (error) {
console.debug('json error', error);
return;
}
if (data.choices && Array.isArray(data.choices) && data.choices.length > 0) {
answer += data.choices[0].text;
setPrompt(prompt + answer);
}
},
onclose() {
console.log('Connection closed');
},
onerror(err) {
commonStore.setCompletionGenerating(false);
throw err;
}
});
};
return (
<div className="flex flex-col sm:flex-row gap-2 overflow-hidden grow">
<Textarea
ref={inputRef}
className="grow"
value={prompt}
onChange={(e) => setPrompt(e.target.value)}
/>
<div className="flex flex-col gap-1 max-h-48 sm:max-w-sm sm:max-h-full">
<Dropdown style={{ minWidth: 0 }}
value={t(commonStore.completionPreset!.name)!}
selectedOptions={[commonStore.completionPreset!.name]}
onOptionSelect={(_, data) => {
if (data.optionValue) {
setPreset(defaultPresets.find((preset) => preset.name === data.optionValue)!);
}
}}>
{
defaultPresets.map((preset) =>
<Option key={preset.name} value={preset.name}>{t(preset.name)!}</Option>)
}
</Dropdown>
<div className="flex flex-col gap-1 overflow-x-hidden overflow-y-auto">
<Labeled flex breakline label={t('Max Response Token')}
desc={t('By default, the maximum number of tokens that can be answered in a single response, it can be changed by the user by specifying API parameters.')}
content={
<ValuedSlider value={params.maxResponseToken} min={100} max={8100}
step={400}
input
onChange={(e, data) => {
setParams({
maxResponseToken: data.value
});
}} />
} />
<Labeled flex breakline label={t('Temperature')}
desc={t('Sampling temperature, the higher the stronger the randomness and creativity, while the lower, the more focused and deterministic it will be.')}
content={
<ValuedSlider value={params.temperature} min={0} max={2} step={0.1}
input
onChange={(e, data) => {
setParams({
temperature: data.value
});
}} />
} />
<Labeled flex breakline label={t('Top_P')}
desc={t('Consider the results of the top n% probability mass, 0.1 considers the top 10%, with higher quality but more conservative, 1 considers all results, with lower quality but more diverse.')}
content={
<ValuedSlider value={params.topP} min={0} max={1} step={0.1} input
onChange={(e, data) => {
setParams({
topP: data.value
});
}} />
} />
<Labeled flex breakline label={t('Presence Penalty')}
desc={t('Positive values penalize new tokens based on whether they appear in the text so far, increasing the model\'s likelihood to talk about new topics.')}
content={
<ValuedSlider value={params.presencePenalty} min={-2} max={2}
step={0.1} input
onChange={(e, data) => {
setParams({
presencePenalty: data.value
});
}} />
} />
<Labeled flex breakline label={t('Frequency Penalty')}
desc={t('Positive values penalize new tokens based on their existing frequency in the text so far, decreasing the model\'s likelihood to repeat the same line verbatim.')}
content={
<ValuedSlider value={params.frequencyPenalty} min={-2} max={2}
step={0.1} input
onChange={(e, data) => {
setParams({
frequencyPenalty: data.value
});
}} />
} />
<Labeled flex breakline label={t('Stop Sequences')}
desc={t('When this content appears in the response result, the generation will end.')}
content={
<Input value={params.stop}
onChange={(e, data) => {
setParams({
stop: data.value
});
}} />
} />
</div>
<div className="grow" />
<div className="flex justify-between gap-2">
<Button className="grow" onClick={() => {
setPreset(defaultPresets.find((preset) => preset.name === name)!);
}}>{t('Reset')}</Button>
<Button className="grow" appearance="primary" onClick={() => {
if (commonStore.completionGenerating) {
sseControllerRef.current?.abort();
commonStore.setCompletionGenerating(false);
} else {
commonStore.setCompletionGenerating(true);
onSubmit(prompt);
}
}}>{!commonStore.completionGenerating ? t('Generate') : t('Stop')}</Button>
</div>
</div>
</div>
);
});
export const Completion: FC = observer(() => {
return (
<div className="flex flex-col gap-1 p-2 h-full overflow-hidden">
<WorkHeader />
<CompletionPanel />
</div>
);
});