mirror of
https://github.com/SillyTavern/SillyTavern.git
synced 2024-12-11 17:07:07 +01:00
132 lines
4.6 KiB
JavaScript
132 lines
4.6 KiB
JavaScript
import { DOMPurify, Handlebars } from '../lib.js';
|
|
import { applyLocale } from './i18n.js';
|
|
|
|
/**
|
|
* @type {Map<string, function>}
|
|
* @description Cache for Handlebars templates.
|
|
*/
|
|
const TEMPLATE_CACHE = new Map();
|
|
|
|
/**
|
|
* Loads a URL content using XMLHttpRequest synchronously.
|
|
* @param {string} url URL to load synchronously
|
|
* @returns {string} Response text
|
|
*/
|
|
function getUrlSync(url) {
|
|
console.debug('Loading URL synchronously', url);
|
|
const request = new XMLHttpRequest();
|
|
request.open('GET', url, false); // `false` makes the request synchronous
|
|
request.send();
|
|
|
|
if (request.status >= 200 && request.status < 300) {
|
|
return request.responseText;
|
|
}
|
|
|
|
throw new Error(`Error loading ${url}: ${request.status} ${request.statusText}`);
|
|
}
|
|
|
|
/**
|
|
* Loads a URL content using XMLHttpRequest asynchronously.
|
|
* @param {string} url URL to load asynchronously
|
|
* @returns {Promise<string>} Response text
|
|
*/
|
|
function getUrlAsync(url) {
|
|
return new Promise((resolve, reject) => {
|
|
const request = new XMLHttpRequest();
|
|
request.open('GET', url, true);
|
|
request.onload = () => {
|
|
if (request.status >= 200 && request.status < 300) {
|
|
resolve(request.responseText);
|
|
} else {
|
|
reject(new Error(`Error loading ${url}: ${request.status} ${request.statusText}`));
|
|
}
|
|
};
|
|
request.onerror = () => {
|
|
reject(new Error(`Error loading ${url}: ${request.status} ${request.statusText}`));
|
|
};
|
|
request.send();
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Renders a Handlebars template asynchronously.
|
|
* @param {string} templateId ID of the template to render
|
|
* @param {Record<string, any>} templateData The data to pass to the template
|
|
* @param {boolean} sanitize Should the template be sanitized with DOMPurify
|
|
* @param {boolean} localize Should the template be localized
|
|
* @param {boolean} fullPath Should the template ID be treated as a full path or a relative path
|
|
* @returns {Promise<string>} Rendered template
|
|
*/
|
|
export async function renderTemplateAsync(templateId, templateData = {}, sanitize = true, localize = true, fullPath = false) {
|
|
async function fetchTemplateAsync(pathToTemplate) {
|
|
let template = TEMPLATE_CACHE.get(pathToTemplate);
|
|
if (!template) {
|
|
const templateContent = await getUrlAsync(pathToTemplate);
|
|
template = Handlebars.compile(templateContent);
|
|
TEMPLATE_CACHE.set(pathToTemplate, template);
|
|
}
|
|
return template;
|
|
}
|
|
|
|
try {
|
|
const pathToTemplate = fullPath ? templateId : `/scripts/templates/${templateId}.html`;
|
|
const template = await fetchTemplateAsync(pathToTemplate);
|
|
let result = template(templateData);
|
|
|
|
if (sanitize) {
|
|
result = DOMPurify.sanitize(result);
|
|
}
|
|
|
|
if (localize) {
|
|
result = applyLocale(result);
|
|
}
|
|
|
|
return result;
|
|
} catch (err) {
|
|
console.error('Error rendering template', templateId, templateData, err);
|
|
toastr.error('Check the DevTools console for more information.', 'Error rendering template');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Renders a Handlebars template synchronously.
|
|
* @param {string} templateId ID of the template to render
|
|
* @param {Record<string, any>} templateData The data to pass to the template
|
|
* @param {boolean} sanitize Should the template be sanitized with DOMPurify
|
|
* @param {boolean} localize Should the template be localized
|
|
* @param {boolean} fullPath Should the template ID be treated as a full path or a relative path
|
|
* @returns {string} Rendered template
|
|
*
|
|
* @deprecated Use renderTemplateAsync instead.
|
|
*/
|
|
export function renderTemplate(templateId, templateData = {}, sanitize = true, localize = true, fullPath = false) {
|
|
function fetchTemplateSync(pathToTemplate) {
|
|
let template = TEMPLATE_CACHE.get(pathToTemplate);
|
|
if (!template) {
|
|
const templateContent = getUrlSync(pathToTemplate);
|
|
template = Handlebars.compile(templateContent);
|
|
TEMPLATE_CACHE.set(pathToTemplate, template);
|
|
}
|
|
return template;
|
|
}
|
|
|
|
try {
|
|
const pathToTemplate = fullPath ? templateId : `/scripts/templates/${templateId}.html`;
|
|
const template = fetchTemplateSync(pathToTemplate);
|
|
let result = template(templateData);
|
|
|
|
if (sanitize) {
|
|
result = DOMPurify.sanitize(result);
|
|
}
|
|
|
|
if (localize) {
|
|
result = applyLocale(result);
|
|
}
|
|
|
|
return result;
|
|
} catch (err) {
|
|
console.error('Error rendering template', templateId, templateData, err);
|
|
toastr.error('Check the DevTools console for more information.', 'Error rendering template');
|
|
}
|
|
}
|