RWKV-Runner/frontend/src/pages/Completion.tsx
2024-03-02 16:52:53 +08:00

307 lines
12 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 commonStore, { ModelStatus } from '../stores/commonStore';
import { fetchEventSource } from '@microsoft/fetch-event-source';
import { toast } from 'react-toastify';
import { DialogButton } from '../components/DialogButton';
import { PresetsButton } from './PresetsManager/PresetsButton';
import { ToolTipButton } from '../components/ToolTipButton';
import { ArrowSync20Regular } from '@fluentui/react-icons';
import { defaultPresets } from './defaultConfigs';
import { CompletionParams, CompletionPreset } from '../types/completion';
import { getServerRoot } from '../utils';
let completionSseController: AbortController | null = null;
const CompletionPanel: FC = observer(() => {
const { t } = useTranslation();
const inputRef = useRef<HTMLTextAreaElement>(null);
const port = commonStore.getCurrentModelConfig().apiParameters.apiPort;
const scrollToBottom = () => {
if (inputRef.current)
inputRef.current.scrollTop = inputRef.current.scrollHeight;
};
useEffect(() => {
if (inputRef.current) {
inputRef.current.style.height = '100%';
inputRef.current.style.maxHeight = '100%';
}
scrollToBottom();
}, []);
const setPreset = (preset: CompletionPreset) => {
commonStore.setCompletionSubmittedPrompt(t(preset.prompt));
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) => {
commonStore.setCompletionSubmittedPrompt(prompt);
if (commonStore.status.status === ModelStatus.Offline && !commonStore.settings.apiUrl && commonStore.platform !== 'web') {
toast(t('Please click the button in the top right corner to start the model'), { type: 'warning' });
commonStore.setCompletionGenerating(false);
return;
}
prompt += params.injectStart.replaceAll('\\n', '\n');
let answer = '';
completionSseController = new AbortController();
fetchEventSource( // https://api.openai.com/v1/completions || http://127.0.0.1:${port}/v1/completions
getServerRoot(port, true) + '/v1/completions',
{
method: 'POST',
headers: {
'Content-Type': 'application/json',
Authorization: `Bearer ${commonStore.settings.apiKey}`
},
body: JSON.stringify({
prompt,
stream: true,
model: commonStore.settings.apiCompletionModelName, // 'text-davinci-003'
max_tokens: params.maxResponseToken,
temperature: params.temperature,
top_p: params.topP,
presence_penalty: params.presencePenalty,
frequency_penalty: params.frequencyPenalty,
stop: params.stop.replaceAll('\\n', '\n') || undefined
}),
signal: completionSseController?.signal,
onmessage(e) {
scrollToBottom();
if (e.data.trim() === '[DONE]') {
commonStore.setCompletionGenerating(false);
return;
}
let data;
try {
data = JSON.parse(e.data);
} catch (error) {
console.debug('json error', error);
return;
}
if (data.model)
commonStore.setLastModelName(data.model);
if (data.choices && Array.isArray(data.choices) && data.choices.length > 0) {
answer += data.choices[0]?.text || data.choices[0]?.delta?.content || '';
setPrompt(prompt + answer.replace(/\s+$/, '') + params.injectEnd.replaceAll('\\n', '\n'));
}
},
async onopen(response) {
if (response.status !== 200) {
toast(response.statusText + '\n' + (await response.text()), {
type: 'error'
});
}
},
onclose() {
console.log('Connection closed');
},
onerror(err) {
err = err.message || err;
if (err && !err.includes('ReadableStreamDefaultReader'))
toast(err, {
type: 'error'
});
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) => {
commonStore.setCompletionSubmittedPrompt(e.target.value);
setPrompt(e.target.value);
}}
/>
<div className="flex flex-col gap-1 max-h-48 sm:max-w-sm sm:max-h-full">
<div className="flex gap-2">
<Dropdown style={{ minWidth: 0 }}
className="grow"
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>
<PresetsButton tab="Completion" />
</div>
<div className="flex flex-col gap-1 overflow-x-hidden overflow-y-auto p-1">
<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={100}
input
onChange={(e, data) => {
setParams({
maxResponseToken: data.value
});
}} />
} />
<Labeled flex breakline label={t('Temperature')}
desc={t('Sampling temperature, it\'s like giving alcohol to a model, 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={3} step={0.1}
input
onChange={(e, data) => {
setParams({
temperature: data.value
});
}} />
} />
<Labeled flex breakline label={t('Top_P')}
desc={t('Just like feeding sedatives to the model. 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={0.05} 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={0} 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={0} 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
});
}} />
} />
<Labeled flex breakline label={t('Inject start text')}
desc={t('Before the response starts, inject this content.')}
content={
<Input value={params.injectStart}
onChange={(e, data) => {
setParams({
injectStart: data.value
});
}} />
} />
<Labeled flex breakline label={t('Inject end text')}
desc={t('When response finished, inject this content.')}
content={
<Input value={params.injectEnd}
onChange={(e, data) => {
setParams({
injectEnd: data.value
});
}} />
} />
</div>
<div className="grow" />
<div className="hidden justify-between gap-2 sm:flex">
<Button className="grow" onClick={() => {
const newPrompt = prompt.replace(/\n+\ /g, '\n').split('\n').map((line) => line.trim()).join('\n');
setPrompt(newPrompt);
commonStore.setCompletionSubmittedPrompt(newPrompt);
}}>{t('Format Content')}</Button>
</div>
<div className="flex justify-between gap-2">
<ToolTipButton desc={t('Regenerate')} icon={<ArrowSync20Regular />} onClick={() => {
completionSseController?.abort();
commonStore.setCompletionGenerating(true);
setPrompt(commonStore.completionSubmittedPrompt);
onSubmit(commonStore.completionSubmittedPrompt);
}} />
<DialogButton className="grow" text={t('Reset')} title={t('Reset')}
contentText={t('Are you sure you want to reset this page? It cannot be undone.')}
onConfirm={() => {
setPreset(defaultPresets.find((preset) => preset.name === name)!);
}} />
<Button className="grow" appearance="primary" onClick={() => {
if (commonStore.completionGenerating) {
completionSseController?.abort();
commonStore.setCompletionGenerating(false);
} else {
commonStore.setCompletionGenerating(true);
onSubmit(prompt);
}
}}>{!commonStore.completionGenerating ? t('Generate') : t('Stop')}</Button>
</div>
</div>
</div>
);
});
const Completion: FC = observer(() => {
return (
<div className="flex flex-col gap-1 p-2 h-full overflow-hidden">
<WorkHeader />
<CompletionPanel />
</div>
);
});
export default Completion;