SillyTavern/public/scripts/sysprompt.js

import { saveSettingsDebounced } from '../script.js';
import { callGenericPopup, POPUP_TYPE } from './popup.js';
import { power_user } from './power-user.js';
import { getPresetManager } from './preset-manager.js';
import { SlashCommand } from './slash-commands/SlashCommand.js';
import { ARGUMENT_TYPE, SlashCommandArgument, SlashCommandNamedArgument } from './slash-commands/SlashCommandArgument.js';
import { commonEnumProviders, enumIcons } from './slash-commands/SlashCommandCommonEnumsProvider.js';
import { enumTypes, SlashCommandEnumValue } from './slash-commands/SlashCommandEnumValue.js';
import { SlashCommandParser } from './slash-commands/SlashCommandParser.js';
import { renderTemplateAsync } from './templates.js';
import { isTrueBoolean, resetScrollHeight } from './utils.js';

export let system_prompts = [];

const $enabled = $('#sysprompt_enabled');
const $select = $('#sysprompt_select');
const $content = $('#sysprompt_content');
const $contentBlock = $('#SystemPromptBlock');

function migrateSystemPromptFromInstructMode() {
    if ('system_prompt' in power_user.instruct) {
        power_user.sysprompt.enabled = power_user.instruct.enabled;
        power_user.sysprompt.content = String(power_user.instruct.system_prompt);
        delete power_user.instruct.system_prompt;

        if (system_prompts.some(x => x.name === power_user.instruct.preset)) {
            power_user.sysprompt.name = power_user.instruct.preset;
        }

        saveSettingsDebounced();
        toastr.info('System prompt settings have been moved from the Instruct Mode.', 'Migration notice', { timeOut: 5000 });
    }
}

/**
 * Loads sysprompt settings from the given data object.
 * @param {object} data Settings data object.
 */
export async function loadSystemPrompts(data) {
    if (data.sysprompt !== undefined) {
        system_prompts = data.sysprompt;
    }

    migrateSystemPromptFromInstructMode();
    toggleSystemPromptDisabledControls();

    for (const prompt of system_prompts) {
        $('<option>').val(prompt.name).text(prompt.name).appendTo($select);
    }

    $enabled.prop('checked', power_user.sysprompt.enabled);
    $select.val(power_user.sysprompt.name);
    $content.val(power_user.sysprompt.content);
    if (!CSS.supports('field-sizing', 'content')) {
        await resetScrollHeight($content);
    }
}

/**
 * Checks if the instruct template has a system prompt and prompts the user to save it as a system prompt.
 * @param {string} name Name of the instruct template
 * @param {object} template Instruct template object
 */
export async function checkForSystemPromptInInstructTemplate(name, template) {
    if (!template || !name || typeof name !== 'string' || typeof template !== 'object') {
        return;
    }
    if ('system_prompt' in template && template.system_prompt && !system_prompts.some(x => x.name === name)) {
        const html = await renderTemplateAsync('migrateInstructPrompt', { prompt: template.system_prompt });
        const confirm = await callGenericPopup(html, POPUP_TYPE.CONFIRM);
        if (confirm) {
            const prompt = { name: name, content: template.system_prompt };
            const presetManager = getPresetManager('sysprompt');
            await presetManager.savePreset(prompt.name, prompt);
            toastr.success(`System prompt "${prompt.name}" has been saved.`);
        } else {
            toastr.info('System prompt has been discarded.');
        }

        delete template.system_prompt;
    }
}

function toggleSystemPromptDisabledControls() {
    $enabled.parent().find('i').toggleClass('toggleEnabled', !!power_user.sysprompt.enabled);
    $contentBlock.toggleClass('disabled', !power_user.sysprompt.enabled);
}

/**
 * Sets the system prompt state.
 * @param {boolean} state System prompt state
 * @returns {string} Empty string
 */
function setSystemPromptStateCallback(state) {
    power_user.sysprompt.enabled = state;
    $enabled.prop('checked', state);
    toggleSystemPromptDisabledControls();
    saveSettingsDebounced();
    return '';
}

function toggleSystemPromptCallback(_args, state) {
    if (!state || typeof state !== 'string') {
        return String(power_user.sysprompt.enabled);
    }

    const newState = isTrueBoolean(state);
    newState ? setSystemPromptStateCallback(true) : setSystemPromptStateCallback(false);
    return String(power_user.sysprompt.enabled);
}

function selectSystemPromptCallback(args, name) {
    if (!power_user.sysprompt.enabled && !isTrueBoolean(args.forceGet)) {
        return '';
    }

    if (!name) {
        return power_user.sysprompt.name ?? '';
    }

    const quiet = isTrueBoolean(args?.quiet);
    const instructNames = system_prompts.map(preset => preset.name);
    let foundName = instructNames.find(x => x.toLowerCase() === name.toLowerCase());

    if (!foundName) {
        const fuse = new Fuse(instructNames);
        const result = fuse.search(name);

        if (result.length === 0) {
            !quiet && toastr.warning(`System prompt "${name}" not found`);
            return '';
        }

        foundName = result[0].item;
    }

    $select.val(foundName).trigger('input');
    !quiet && toastr.success(`System prompt "${foundName}" selected`);
    return foundName;
}

export function initSystemPrompts() {
    $enabled.on('input', function () {
        power_user.sysprompt.enabled = !!$(this).prop('checked');
        toggleSystemPromptDisabledControls();
        saveSettingsDebounced();
    });

    $select.on('input', async function () {
        if (!power_user.sysprompt.enabled) {
            $enabled.prop('checked', true).trigger('input');
        }

        const name = String($(this).val());
        const prompt = system_prompts.find(p => p.name === name);
        if (prompt) {
            $content.val(prompt.content);
            if (!CSS.supports('field-sizing', 'content')) {
                await resetScrollHeight($content);
            }

            power_user.sysprompt.name = name;
            power_user.sysprompt.content = prompt.content;
        }
        saveSettingsDebounced();
    });

    $content.on('input', function () {
        power_user.sysprompt.content = String($(this).val());
        saveSettingsDebounced();
    });

    SlashCommandParser.addCommandObject(SlashCommand.fromProps({
        name: 'sysprompt',
        aliases: ['system-prompt'],
        callback: selectSystemPromptCallback,
        returns: 'current prompt name',
        namedArgumentList: [
            SlashCommandNamedArgument.fromProps({
                name: 'quiet',
                description: 'Suppress the toast message on prompt change',
                typeList: [ARGUMENT_TYPE.BOOLEAN],
                defaultValue: 'false',
                enumList: commonEnumProviders.boolean('trueFalse')(),
            }),
            SlashCommandNamedArgument.fromProps({
                name: 'forceGet',
                description: 'Force getting a name even if system prompt is disabled',
                typeList: [ARGUMENT_TYPE.BOOLEAN],
                defaultValue: 'false',
                enumList: commonEnumProviders.boolean('trueFalse')(),
            }),
        ],
        unnamedArgumentList: [
            SlashCommandArgument.fromProps({
                description: 'system prompt name',
                typeList: [ARGUMENT_TYPE.STRING],
                enumProvider: () => system_prompts.map(x => new SlashCommandEnumValue(x.name, null, enumTypes.enum, enumIcons.preset)),
            }),
        ],
        helpString: `
            <div>
                Selects a system prompt by name, using fuzzy search to find the closest match. Enables the use of system prompt if not already enabled.
                Gets the current system prompt if no name is provided and sysprompt is enabled or <code>forceGet=true</code> is passed.
            </div>
            <div>
                <strong>Example:</strong>
                <ul>
                    <li>
                        <pre><code class="language-stscript">/sysprompt </code></pre>
                    </li>
                </ul>
            </div>
        `,
    }));
    SlashCommandParser.addCommandObject(SlashCommand.fromProps({
        name: 'sysprompt-on',
        aliases: ['sysprompt-enable'],
        callback: () => setSystemPromptStateCallback(true),
        helpString: 'Enables system prompt.',
    }));
    SlashCommandParser.addCommandObject(SlashCommand.fromProps({
        name: 'sysprompt-off',
        aliases: ['sysprompt-disable'],
        callback: () => setSystemPromptStateCallback(false),
        helpString: 'Disables system prompt',
    }));
    SlashCommandParser.addCommandObject(SlashCommand.fromProps({
        name: 'sysprompt-state',
        aliases: ['sysprompt-toggle'],
        helpString: 'Gets the current system prompt state. If an argument is provided, it will set the system prompt state.',
        unnamedArgumentList: [
            SlashCommandArgument.fromProps({
                description: 'system prompt state',
                typeList: [ARGUMENT_TYPE.BOOLEAN],
                enumList: commonEnumProviders.boolean('trueFalse')(),
            }),
        ],
        callback: toggleSystemPromptCallback,
    }));
}