395 lines
13 KiB
JavaScript
395 lines
13 KiB
JavaScript
import {
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getRequestHeaders,
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saveSettingsDebounced,
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getStoppingStrings,
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substituteParams,
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api_server,
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} from '../script.js';
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import {
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power_user,
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} from './power-user.js';
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import { getEventSourceStream } from './sse-stream.js';
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import { getSortableDelay } from './utils.js';
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export const kai_settings = {
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temp: 1,
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rep_pen: 1,
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rep_pen_range: 0,
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top_p: 1,
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min_p: 0,
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top_a: 1,
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top_k: 0,
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typical: 1,
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tfs: 1,
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rep_pen_slope: 0.9,
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streaming_kobold: false,
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sampler_order: [0, 1, 2, 3, 4, 5, 6],
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mirostat: 0,
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mirostat_tau: 5.0,
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mirostat_eta: 0.1,
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use_default_badwordsids: false,
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grammar: '',
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seed: -1,
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};
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/**
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* Stable version of KoboldAI has a nasty payload validation.
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* It will reject any payload that has a key that is not in the whitelist.
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* @typedef {Object.<string, boolean>} kai_flags
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*/
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export const kai_flags = {
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can_use_tokenization: false,
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can_use_stop_sequence: false,
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can_use_streaming: false,
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can_use_default_badwordsids: false,
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can_use_mirostat: false,
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can_use_grammar: false,
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can_use_min_p: false,
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};
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const defaultValues = Object.freeze(structuredClone(kai_settings));
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const MIN_STOP_SEQUENCE_VERSION = '1.2.2';
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const MIN_UNBAN_VERSION = '1.2.4';
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const MIN_STREAMING_KCPPVERSION = '1.30';
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const MIN_TOKENIZATION_KCPPVERSION = '1.41';
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const MIN_MIROSTAT_KCPPVERSION = '1.35';
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const MIN_GRAMMAR_KCPPVERSION = '1.44';
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const MIN_MIN_P_KCPPVERSION = '1.48';
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const KOBOLDCPP_ORDER = [6, 0, 1, 3, 4, 2, 5];
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export function formatKoboldUrl(value) {
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try {
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const url = new URL(value);
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if (!power_user.relaxed_api_urls) {
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url.pathname = '/api';
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}
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return url.toString();
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} catch {
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// Just using URL as a validation check
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}
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return null;
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}
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export function loadKoboldSettings(preset) {
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for (const name of Object.keys(kai_settings)) {
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const value = preset[name] ?? defaultValues[name];
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const slider = sliders.find(x => x.name === name);
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if (!slider) {
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continue;
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}
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const formattedValue = slider.format(value);
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slider.setValue(value);
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$(slider.sliderId).val(value);
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$(slider.counterId).val(formattedValue);
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}
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if (Object.hasOwn(preset, 'streaming_kobold')) {
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kai_settings.streaming_kobold = preset.streaming_kobold;
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$('#streaming_kobold').prop('checked', kai_settings.streaming_kobold);
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}
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if (Object.hasOwn(preset, 'use_default_badwordsids')) {
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kai_settings.use_default_badwordsids = preset.use_default_badwordsids;
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$('#use_default_badwordsids').prop('checked', kai_settings.use_default_badwordsids);
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}
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}
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/**
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* Gets the Kobold generation data.
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* @param {string} finalPrompt Final text prompt.
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* @param {object} settings Settings preset object.
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* @param {number} maxLength Maximum length.
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* @param {number} maxContextLength Maximum context length.
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* @param {boolean} isHorde True if the generation is for a horde, false otherwise.
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* @param {string} type Generation type.
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* @returns {object} Kobold generation data.
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*/
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export function getKoboldGenerationData(finalPrompt, settings, maxLength, maxContextLength, isHorde, type) {
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const isImpersonate = type === 'impersonate';
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const isContinue = type === 'continue';
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const sampler_order = kai_settings.sampler_order || settings.sampler_order;
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let generate_data = {
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prompt: finalPrompt,
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gui_settings: false,
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sampler_order: sampler_order,
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max_context_length: Number(maxContextLength),
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max_length: maxLength,
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rep_pen: Number(kai_settings.rep_pen),
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rep_pen_range: Number(kai_settings.rep_pen_range),
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rep_pen_slope: kai_settings.rep_pen_slope,
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temperature: Number(kai_settings.temp),
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tfs: kai_settings.tfs,
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top_a: kai_settings.top_a,
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top_k: kai_settings.top_k,
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top_p: kai_settings.top_p,
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min_p: (kai_flags.can_use_min_p || isHorde) ? kai_settings.min_p : undefined,
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typical: kai_settings.typical,
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use_world_info: false,
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singleline: false,
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stop_sequence: (kai_flags.can_use_stop_sequence || isHorde) ? getStoppingStrings(isImpersonate, isContinue) : undefined,
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streaming: kai_settings.streaming_kobold && kai_flags.can_use_streaming && type !== 'quiet',
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can_abort: kai_flags.can_use_streaming,
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mirostat: (kai_flags.can_use_mirostat || isHorde) ? kai_settings.mirostat : undefined,
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mirostat_tau: (kai_flags.can_use_mirostat || isHorde) ? kai_settings.mirostat_tau : undefined,
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mirostat_eta: (kai_flags.can_use_mirostat || isHorde) ? kai_settings.mirostat_eta : undefined,
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use_default_badwordsids: (kai_flags.can_use_default_badwordsids || isHorde) ? kai_settings.use_default_badwordsids : undefined,
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grammar: (kai_flags.can_use_grammar || isHorde) ? substituteParams(kai_settings.grammar) : undefined,
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sampler_seed: kai_settings.seed >= 0 ? kai_settings.seed : undefined,
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api_server,
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};
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return generate_data;
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}
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function tryParseStreamingError(response, decoded) {
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try {
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const data = JSON.parse(decoded);
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if (!data) {
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return;
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}
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if (data.error) {
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toastr.error(data.error.message || response.statusText, 'KoboldAI API');
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throw new Error(data);
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}
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}
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catch {
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// No JSON. Do nothing.
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}
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}
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export async function generateKoboldWithStreaming(generate_data, signal) {
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const response = await fetch('/api/backends/kobold/generate', {
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headers: getRequestHeaders(),
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body: JSON.stringify(generate_data),
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method: 'POST',
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signal: signal,
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});
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if (!response.ok) {
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tryParseStreamingError(response, await response.text());
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throw new Error(`Got response status ${response.status}`);
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}
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const eventStream = getEventSourceStream();
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response.body.pipeThrough(eventStream);
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const reader = eventStream.readable.getReader();
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return async function* streamData() {
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let text = '';
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while (true) {
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const { done, value } = await reader.read();
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if (done) return;
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const data = JSON.parse(value.data);
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if (data?.token) {
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text += data.token;
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}
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yield { text, swipes: [] };
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}
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};
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}
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const sliders = [
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{
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name: 'temp',
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sliderId: '#temp',
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counterId: '#temp_counter',
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format: (val) => Number(val).toFixed(2),
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setValue: (val) => { kai_settings.temp = Number(val); },
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},
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{
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name: 'rep_pen',
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sliderId: '#rep_pen',
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counterId: '#rep_pen_counter',
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format: (val) => Number(val).toFixed(2),
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setValue: (val) => { kai_settings.rep_pen = Number(val); },
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},
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{
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name: 'rep_pen_range',
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sliderId: '#rep_pen_range',
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counterId: '#rep_pen_range_counter',
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format: (val) => val,
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setValue: (val) => { kai_settings.rep_pen_range = Number(val); },
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},
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{
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name: 'top_p',
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sliderId: '#top_p',
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counterId: '#top_p_counter',
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format: (val) => val,
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setValue: (val) => { kai_settings.top_p = Number(val); },
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},
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{
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name: 'min_p',
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sliderId: '#min_p',
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counterId: '#min_p_counter',
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format: (val) => val,
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setValue: (val) => { kai_settings.min_p = Number(val); },
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},
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{
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name: 'top_a',
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sliderId: '#top_a',
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counterId: '#top_a_counter',
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format: (val) => val,
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setValue: (val) => { kai_settings.top_a = Number(val); },
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},
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{
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name: 'top_k',
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sliderId: '#top_k',
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counterId: '#top_k_counter',
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format: (val) => val,
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setValue: (val) => { kai_settings.top_k = Number(val); },
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},
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{
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name: 'typical',
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sliderId: '#typical_p',
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counterId: '#typical_p_counter',
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format: (val) => val,
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setValue: (val) => { kai_settings.typical = Number(val); },
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},
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{
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name: 'tfs',
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sliderId: '#tfs',
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counterId: '#tfs_counter',
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format: (val) => val,
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setValue: (val) => { kai_settings.tfs = Number(val); },
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},
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{
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name: 'rep_pen_slope',
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sliderId: '#rep_pen_slope',
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counterId: '#rep_pen_slope_counter',
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format: (val) => val,
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setValue: (val) => { kai_settings.rep_pen_slope = Number(val); },
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},
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{
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name: 'sampler_order',
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sliderId: '#no_op_selector',
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counterId: '#no_op_selector',
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format: (val) => val,
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setValue: (val) => { sortItemsByOrder(val); kai_settings.sampler_order = val; },
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},
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{
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name: 'mirostat',
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sliderId: '#mirostat_mode_kobold',
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counterId: '#mirostat_mode_counter_kobold',
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format: (val) => val,
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setValue: (val) => { kai_settings.mirostat = Number(val); },
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},
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{
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name: 'mirostat_tau',
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sliderId: '#mirostat_tau_kobold',
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counterId: '#mirostat_tau_counter_kobold',
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format: (val) => val,
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setValue: (val) => { kai_settings.mirostat_tau = Number(val); },
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},
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{
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name: 'mirostat_eta',
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sliderId: '#mirostat_eta_kobold',
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counterId: '#mirostat_eta_counter_kobold',
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format: (val) => val,
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setValue: (val) => { kai_settings.mirostat_eta = Number(val); },
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},
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{
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name: 'grammar',
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sliderId: '#grammar',
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counterId: '#grammar_counter_kobold',
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format: (val) => val,
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setValue: (val) => { kai_settings.grammar = val; },
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},
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{
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name: 'seed',
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sliderId: '#seed_kobold',
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counterId: '#seed_counter_kobold',
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format: (val) => val,
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setValue: (val) => { kai_settings.seed = Number(val); },
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},
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];
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/**
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* Sets the supported feature flags for the KoboldAI backend.
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* @param {string} koboldUnitedVersion Kobold United version
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* @param {string} koboldCppVersion KoboldCPP version
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*/
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export function setKoboldFlags(koboldUnitedVersion, koboldCppVersion) {
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kai_flags.can_use_stop_sequence = versionCompare(koboldUnitedVersion, MIN_STOP_SEQUENCE_VERSION);
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kai_flags.can_use_streaming = versionCompare(koboldCppVersion, MIN_STREAMING_KCPPVERSION);
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kai_flags.can_use_tokenization = versionCompare(koboldCppVersion, MIN_TOKENIZATION_KCPPVERSION);
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kai_flags.can_use_default_badwordsids = versionCompare(koboldUnitedVersion, MIN_UNBAN_VERSION);
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kai_flags.can_use_mirostat = versionCompare(koboldCppVersion, MIN_MIROSTAT_KCPPVERSION);
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kai_flags.can_use_grammar = versionCompare(koboldCppVersion, MIN_GRAMMAR_KCPPVERSION);
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kai_flags.can_use_min_p = versionCompare(koboldCppVersion, MIN_MIN_P_KCPPVERSION);
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const isKoboldCpp = versionCompare(koboldCppVersion, '1.0.0');
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$('#koboldcpp_hint').toggleClass('displayNone', !isKoboldCpp);
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}
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/**
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* Compares two version numbers, returning true if srcVersion >= minVersion
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* @param {string} srcVersion The current version.
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* @param {string} minVersion The target version number to test against
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* @returns {boolean} True if srcVersion >= minVersion, false if not
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*/
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function versionCompare(srcVersion, minVersion) {
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return (srcVersion || '0.0.0').localeCompare(minVersion, undefined, { numeric: true, sensitivity: 'base' }) > -1;
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}
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/**
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* Sorts the sampler items by the given order.
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* @param {any[]} orderArray Sampler order array.
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*/
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function sortItemsByOrder(orderArray) {
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console.debug('Preset samplers order: ' + orderArray);
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const $draggableItems = $('#kobold_order');
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for (let i = 0; i < orderArray.length; i++) {
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const index = orderArray[i];
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const $item = $draggableItems.find(`[data-id="${index}"]`).detach();
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$draggableItems.append($item);
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}
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}
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jQuery(function () {
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sliders.forEach(slider => {
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$(document).on('input', slider.sliderId, function () {
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const value = $(this).val();
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const formattedValue = slider.format(value);
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slider.setValue(value);
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$(slider.counterId).val(formattedValue);
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saveSettingsDebounced();
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});
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});
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$('#streaming_kobold').on('input', function () {
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const value = !!$(this).prop('checked');
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kai_settings.streaming_kobold = value;
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saveSettingsDebounced();
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});
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$('#use_default_badwordsids').on('input', function () {
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const value = !!$(this).prop('checked');
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kai_settings.use_default_badwordsids = value;
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saveSettingsDebounced();
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});
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$('#kobold_order').sortable({
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delay: getSortableDelay(),
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stop: function () {
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const order = [];
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$('#kobold_order').children().each(function () {
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order.push($(this).data('id'));
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});
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kai_settings.sampler_order = order;
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console.log('Samplers reordered:', kai_settings.sampler_order);
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saveSettingsDebounced();
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},
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});
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$('#samplers_order_recommended').on('click', function () {
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kai_settings.sampler_order = KOBOLDCPP_ORDER;
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sortItemsByOrder(kai_settings.sampler_order);
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saveSettingsDebounced();
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});
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});
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