411 lines
18 KiB
JavaScript
411 lines
18 KiB
JavaScript
(function () {
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const boot = window.MaalFlows || {};
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const apiBase = (boot.apiBase || "").replace(/\/$/, "") || new URL(document.currentScript.src).origin;
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const siteKey = boot.siteKey || "9b-plus";
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const lang = (boot.lang || document.documentElement.lang || navigator.language || "cs").slice(0, 2).toLowerCase();
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const storageKey = `maalflows:${siteKey}`;
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const session = loadSession();
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const allowedImageTypes = new Set(["image/jpeg", "image/png", "image/webp", "image/gif", "image/avif"]);
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const maxAttachmentBytes = 3_000_000;
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fetch(`${apiBase}/api/widget/config?siteKey=${encodeURIComponent(siteKey)}`)
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.then((res) => res.json())
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.then((config) => mount(config))
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.catch(() => {});
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function mount(config) {
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const site = config.site;
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const settings = site.settings;
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const copy = localized(settings, lang);
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const host = document.createElement("div");
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host.id = "maalflows-widget";
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document.body.append(host);
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const root = host.attachShadow({ mode: "open" });
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root.innerHTML = `
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<style>${styles(settings)}</style>
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<button class="mf-launcher" type="button" aria-label="${copy.title}">
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<span></span>
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</button>
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<section class="mf-panel" aria-live="polite">
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<header>
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<strong>${escapeHtml(copy.title)}</strong>
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<small>${escapeHtml(site.isOnline ? copy.intro : copy.offlineIntro)}</small>
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<button class="mf-close" type="button" aria-label="Close">×</button>
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</header>
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<div class="mf-messages"></div>
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<div class="mf-typing" hidden>Operator pise...</div>
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<form class="mf-form">
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<div class="mf-composer">
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<textarea name="message" required rows="3" placeholder="${escapeHtml(copy.placeholder)}"></textarea>
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<button class="mf-send" type="submit" aria-label="${escapeHtml(copy.sendLabel)}" title="${escapeHtml(copy.sendLabel)}">
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<svg viewBox="0 0 24 24" aria-hidden="true">
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<path d="M3.7 20.3 21 12 3.7 3.7l2.5 7.1L14 12l-7.8 1.2-2.5 7.1Z"></path>
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</svg>
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</button>
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</div>
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<label class="mf-dropzone" tabindex="0">
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<input name="attachments" type="file" accept=".jpg,.jpeg,.png,.webp,.gif,.avif,image/jpeg,image/png,image/webp,image/gif,image/avif" multiple>
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<svg viewBox="0 0 24 24" aria-hidden="true">
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<path d="M4 17.5V6.5A2.5 2.5 0 0 1 6.5 4h11A2.5 2.5 0 0 1 20 6.5v11a2.5 2.5 0 0 1-2.5 2.5h-11A2.5 2.5 0 0 1 4 17.5Zm3.3-1.2 2.9-3.4 2 2.4 2.7-3.2 3.1 4.2H7.3Zm1-6.8a1.7 1.7 0 1 0 0-3.4 1.7 1.7 0 0 0 0 3.4Z"></path>
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</svg>
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<span>Pridat fotku nebo pretahnout</span>
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</label>
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<div class="mf-attachment-list"></div>
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<p class="mf-note">Odeslanim zpravy nam predavate udaje potrebne pro odpoved.</p>
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<a class="mf-powered" href="https://app.black-week.cz" target="_blank" rel="noopener noreferrer">Powered by MaalFlows</a>
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</form>
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</section>
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`;
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const panel = root.querySelector(".mf-panel");
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const launcher = root.querySelector(".mf-launcher");
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const close = root.querySelector(".mf-close");
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const form = root.querySelector(".mf-form");
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const messages = root.querySelector(".mf-messages");
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const typing = root.querySelector(".mf-typing");
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const dropzone = root.querySelector(".mf-dropzone");
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const attachmentList = root.querySelector(".mf-attachment-list");
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let selectedFiles = [];
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launcher.addEventListener("click", () => {
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panel.classList.toggle("open");
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if (panel.classList.contains("open")) launcher.classList.remove("mf-notify");
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});
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close.addEventListener("click", () => panel.classList.remove("open"));
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form.message.addEventListener("input", debounce(() => {
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if (!session.conversationId) return;
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fetch(`${apiBase}/api/widget/conversations/${session.conversationId}/typing`, { method: "POST" }).catch(() => {});
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}, 700));
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form.attachments.addEventListener("change", () => {
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selectedFiles = mergeImageFiles(selectedFiles, [...form.attachments.files]);
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renderSelectedFiles(attachmentList, selectedFiles);
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form.attachments.value = "";
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});
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dropzone.addEventListener("keydown", (event) => {
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if (event.key === "Enter" || event.key === " ") {
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event.preventDefault();
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form.attachments.click();
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}
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});
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for (const eventName of ["dragenter", "dragover"]) {
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dropzone.addEventListener(eventName, (event) => {
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event.preventDefault();
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dropzone.classList.add("dragging");
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});
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}
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for (const eventName of ["dragleave", "drop"]) {
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dropzone.addEventListener(eventName, (event) => {
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event.preventDefault();
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dropzone.classList.remove("dragging");
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});
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}
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dropzone.addEventListener("drop", (event) => {
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selectedFiles = mergeImageFiles(selectedFiles, [...event.dataTransfer.files]);
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renderSelectedFiles(attachmentList, selectedFiles);
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});
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attachmentList.addEventListener("click", (event) => {
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const removeButton = event.target.closest("[data-remove]");
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if (!removeButton) return;
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selectedFiles.splice(Number(removeButton.dataset.remove), 1);
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renderSelectedFiles(attachmentList, selectedFiles);
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});
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form.addEventListener("submit", async (event) => {
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event.preventDefault();
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const body = await payloadFromForm(form, selectedFiles);
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if (!body.message.trim()) return;
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const submitButton = root.querySelector(".mf-send");
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submitButton.disabled = true;
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const url = session.conversationId
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? `${apiBase}/api/widget/conversations/${session.conversationId}/messages`
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: `${apiBase}/api/widget/conversations`;
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try {
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const data = await postJson(url, withVisitorContext(body));
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session.conversationId = data.conversation.id;
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saveSession();
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form.message.value = "";
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selectedFiles = [];
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renderSelectedFiles(attachmentList, selectedFiles);
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renderConversation(messages, data);
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connectEvents(messages, typing, panel, launcher, settings);
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} catch {
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showFormError(root, "Zpravu se nepodarilo odeslat. Zkuste to prosim znovu.");
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} finally {
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submitButton.disabled = false;
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}
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});
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rememberPage();
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if (session.conversationId) {
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loadExistingConversation(messages).finally(() => connectEvents(messages, typing, panel, launcher, settings));
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}
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}
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async function payloadFromForm(form, selectedFiles) {
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const fd = new FormData(form);
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return {
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message: fd.get("message") || "",
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attachments: await Promise.all(selectedFiles.slice(0, 3).map(fileToPayload))
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};
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}
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function connectEvents(messages, typing, panel, launcher, settings) {
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if (session.events || !session.conversationId) return;
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session.events = new EventSource(`${apiBase}/api/widget/conversations/${session.conversationId}/events`);
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session.events.addEventListener("message", (event) => {
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const data = JSON.parse(event.data);
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if (data.type === "typing" && data.actor === "admin") {
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typing.hidden = false;
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clearTimeout(connectEvents.typingTimer);
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connectEvents.typingTimer = setTimeout(() => { typing.hidden = true; }, 1800);
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}
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if (data.type === "message:new") {
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renderConversation(messages, data.payload);
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const eventMessages = data.payload?.messages || [];
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const lastMessage = eventMessages[eventMessages.length - 1];
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if (settings.notifications?.pulseOnAdminReply !== false && lastMessage?.senderType === "admin" && !panel.classList.contains("open")) {
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launcher.classList.add("mf-notify");
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}
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}
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});
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}
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async function loadExistingConversation(messages) {
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try {
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const data = await fetchJson(`${apiBase}/api/widget/conversations/${session.conversationId}?visitorToken=${encodeURIComponent(session.visitorToken)}`);
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renderConversation(messages, data);
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} catch {
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session.conversationId = null;
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saveSession();
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}
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}
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function renderConversation(messages, data) {
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messages.innerHTML = "";
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for (const message of data.messages) {
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addMessage(messages, message.senderType, message.body, message.attachments || []);
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}
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messages.scrollTop = messages.scrollHeight;
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}
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function addMessage(messages, sender, body, attachments) {
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const item = document.createElement("article");
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item.className = `mf-message ${sender}`;
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item.innerHTML = `<p>${escapeHtml(body)}</p>${attachments.map((a) => `<a class="mf-photo" href="${apiBase}${a.url}" target="_blank" rel="noreferrer"><img src="${apiBase}${a.url}" alt="${escapeHtml(a.name)}"></a>`).join("")}`;
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messages.append(item);
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messages.scrollTop = messages.scrollHeight;
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}
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function mergeImageFiles(currentFiles, incomingFiles) {
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const nextFiles = [...currentFiles];
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for (const file of incomingFiles) {
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if (!isAllowedImageFile(file)) continue;
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const exists = nextFiles.some((item) => item.name === file.name && item.size === file.size && item.lastModified === file.lastModified);
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if (!exists) nextFiles.push(file);
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if (nextFiles.length === 3) break;
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}
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return nextFiles;
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}
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function renderSelectedFiles(container, files) {
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container.innerHTML = files.map((file, index) => `
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<span class="mf-attachment-chip">
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<span>${escapeHtml(file.name)}</span>
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<button type="button" data-remove="${index}" aria-label="Odebrat fotku">×</button>
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</span>
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`).join("");
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}
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function withVisitorContext(body) {
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return {
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...body,
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siteKey,
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visitorToken: session.visitorToken,
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currentUrl: location.href,
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referrer: document.referrer,
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browsingHistory: rememberPage(),
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language: navigator.language,
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timezone: Intl.DateTimeFormat().resolvedOptions().timeZone,
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device: {
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userAgent: navigator.userAgent,
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platform: navigator.platform,
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viewport: `${innerWidth}x${innerHeight}`
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}
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};
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}
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function showFormError(root, message) {
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const note = root.querySelector(".mf-note");
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note.textContent = message;
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note.classList.add("error");
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clearTimeout(showFormError.timer);
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showFormError.timer = setTimeout(() => {
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note.textContent = "Odeslanim zpravy nam predavate udaje potrebne pro odpoved.";
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note.classList.remove("error");
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}, 3500);
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}
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function isAllowedImageFile(file) {
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return allowedImageTypes.has(file.type) && file.size > 0 && file.size <= maxAttachmentBytes;
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}
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function localized(settings, language) {
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const pick = (obj) => obj?.[language] || obj?.en || obj?.cs || "";
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return {
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title: pick(settings.title),
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intro: pick(settings.intro),
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offlineIntro: pick(settings.offlineIntro),
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placeholder: pick(settings.placeholder),
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sendLabel: pick(settings.sendLabel)
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};
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}
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function styles(settings) {
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const c = settings.colors;
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const desktop = settings.desktop;
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const mobile = settings.mobile;
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return `
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:host { all: initial; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: ${c.text}; }
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* { box-sizing: border-box; }
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button, input, textarea { font: inherit; }
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.mf-launcher {
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position: fixed; z-index: 2147483000; ${desktop.side}: ${desktop.sideOffsetPx}px; bottom: ${desktop.bottomPx}px;
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width: 58px; height: 58px; border: 0; border-radius: 50%; background: ${c.brand}; color: ${c.brandText};
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box-shadow: 0 12px 30px rgb(0 0 0 / 22%); cursor: pointer;
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}
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.mf-launcher span, .mf-launcher span:before, .mf-launcher span:after { display: block; background: ${c.brandText}; height: 3px; border-radius: 4px; content: ""; }
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.mf-launcher span { width: 26px; margin: 0 auto; }
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.mf-launcher span:before { transform: translateY(-8px); }
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.mf-launcher span:after { transform: translateY(5px); width: 18px; }
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.mf-launcher.mf-notify { animation: mfPulse 1.15s ease-out infinite; }
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.mf-panel {
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position: fixed; z-index: 2147483001; ${desktop.side}: ${desktop.sideOffsetPx}px; bottom: ${desktop.bottomPx + 72}px;
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width: min(${desktop.widthPx}px, calc(100vw - 24px)); max-height: min(680px, calc(100vh - 110px)); display: none;
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background: ${c.surface}; border: 1px solid #dfe6e2; border-radius: 8px; overflow: hidden; box-shadow: 0 18px 50px rgb(0 0 0 / 18%);
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}
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.mf-panel.open { display: grid; grid-template-rows: auto minmax(130px, 1fr) auto auto; }
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header { position: relative; display: grid; gap: 3px; background: ${c.brand}; color: ${c.brandText}; padding: 15px 46px 15px 16px; }
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header strong { font-size: 16px; }
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header small { opacity: .92; font-size: 13px; line-height: 1.35; }
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.mf-close { position: absolute; top: 9px; right: 9px; width: 30px; height: 30px; border: 0; border-radius: 6px; background: rgb(255 255 255 / 16%); color: ${c.brandText}; cursor: pointer; }
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.mf-messages { padding: 14px; overflow: auto; display: flex; flex-direction: column; gap: 10px; }
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.mf-message { max-width: 86%; padding: 9px 11px; border-radius: 8px; background: #f1f5f2; color: ${c.text}; }
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.mf-message.admin { align-self: flex-start; background: #eef7f4; }
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.mf-message.visitor { align-self: flex-end; background: ${c.brand}; color: ${c.brandText}; }
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.mf-message p { margin: 0; white-space: pre-wrap; }
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.mf-message a { color: inherit; display: inline-block; margin-top: 6px; }
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.mf-photo img { display: block; width: min(180px, 100%); max-height: 130px; object-fit: cover; border-radius: 6px; }
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.mf-typing { padding: 0 14px 8px; color: ${c.muted}; font-size: 13px; }
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.mf-form { border-top: 1px solid #dfe6e2; padding: 12px; display: grid; gap: 9px; }
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.mf-composer { display: grid; grid-template-columns: minmax(0, 1fr) 42px; gap: 9px; align-items: end; }
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input, textarea { width: 100%; border: 1px solid #dfe6e2; border-radius: 6px; padding: 9px 10px; color: ${c.text}; background: white; }
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textarea { resize: vertical; min-height: 72px; }
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.mf-send { width: 42px; height: 42px; display: grid; place-items: center; border: 0; border-radius: 50%; background: ${c.brand}; color: ${c.brandText}; cursor: pointer; }
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.mf-send:disabled { opacity: .55; cursor: wait; }
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.mf-send svg { width: 22px; height: 22px; fill: currentColor; transform: translateX(1px); }
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.mf-dropzone { min-height: 42px; border: 1px dashed #b9c9c1; border-radius: 8px; display: flex; align-items: center; gap: 8px; padding: 9px 10px; color: ${c.muted}; background: #f8fbf9; font-size: 12px; cursor: pointer; }
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.mf-dropzone.dragging { border-color: ${c.brand}; background: #eef8f4; color: ${c.text}; }
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.mf-dropzone input { display: none; }
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.mf-dropzone svg { width: 18px; height: 18px; fill: currentColor; flex: 0 0 auto; }
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.mf-attachment-list { display: flex; flex-wrap: wrap; gap: 6px; }
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.mf-attachment-chip { max-width: 100%; display: inline-flex; align-items: center; gap: 6px; border: 1px solid #dfe6e2; border-radius: 999px; background: #f8fbf9; color: ${c.text}; padding: 5px 5px 5px 9px; font-size: 12px; }
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.mf-attachment-chip span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 210px; }
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.mf-attachment-chip button { width: 22px; height: 22px; border: 0; border-radius: 50%; background: #e8eee9; color: ${c.text}; cursor: pointer; padding: 0; }
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.mf-note { margin: 0; color: ${c.muted}; font-size: 11px; line-height: 1.3; }
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.mf-note.error { color: #b42318; }
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.mf-powered { justify-self: center; color: ${c.muted}; font-size: 11px; text-decoration: none; }
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.mf-powered:hover { color: ${c.brand}; text-decoration: underline; }
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@keyframes mfPulse {
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0% { box-shadow: 0 12px 30px rgb(0 0 0 / 22%), 0 0 0 0 rgb(15 143 111 / 42%); transform: scale(1); }
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70% { box-shadow: 0 12px 30px rgb(0 0 0 / 22%), 0 0 0 14px rgb(15 143 111 / 0%); transform: scale(1.04); }
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100% { box-shadow: 0 12px 30px rgb(0 0 0 / 22%), 0 0 0 0 rgb(15 143 111 / 0%); transform: scale(1); }
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}
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@media (max-width: 640px) {
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.mf-launcher { ${mobile.side}: ${mobile.sideOffsetPx}px; bottom: ${mobile.bottomPx}px; }
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.mf-panel { ${mobile.side}: ${mobile.sideOffsetPx}px; bottom: ${mobile.bottomPx + 68}px; width: min(${mobile.widthPx}px, calc(100vw - 24px)); max-height: calc(100vh - 96px); }
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}
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`;
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}
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function rememberPage() {
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const entry = { url: location.href, title: document.title, at: new Date().toISOString() };
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session.history = (session.history || []).filter((item) => item.url !== entry.url).concat(entry).slice(-20);
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saveSession();
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return session.history;
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}
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function loadSession() {
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try {
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const existing = JSON.parse(localStorage.getItem(storageKey) || "{}");
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return { visitorToken: existing.visitorToken || randomId(), conversationId: existing.conversationId || null, history: existing.history || [] };
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} catch {
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return { visitorToken: randomId(), conversationId: null, history: [] };
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}
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}
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function saveSession() {
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localStorage.setItem(storageKey, JSON.stringify({
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visitorToken: session.visitorToken,
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conversationId: session.conversationId,
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history: session.history || []
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}));
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}
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function postJson(url, payload) {
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return fetch(url, {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(payload)
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}).then((res) => {
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if (!res.ok) throw new Error(`HTTP ${res.status}`);
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return res.json();
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});
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}
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function fetchJson(url) {
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return fetch(url).then((res) => {
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if (!res.ok) throw new Error(`HTTP ${res.status}`);
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return res.json();
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});
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}
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function fileToPayload(file) {
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return new Promise((resolve) => {
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const reader = new FileReader();
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reader.onload = () => resolve({ name: file.name, type: file.type, size: file.size, dataBase64: reader.result });
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reader.readAsDataURL(file);
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});
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}
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function debounce(fn, delay) {
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let timer;
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return (...args) => {
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clearTimeout(timer);
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timer = setTimeout(() => fn(...args), delay);
|
||
};
|
||
}
|
||
|
||
function escapeHtml(value) {
|
||
return String(value ?? "").replace(/[&<>"']/g, (char) => ({
|
||
"&": "&",
|
||
"<": "<",
|
||
">": ">",
|
||
'"': """,
|
||
"'": "'"
|
||
})[char]);
|
||
}
|
||
|
||
function randomId() {
|
||
return `vis_${Math.random().toString(16).slice(2)}${Date.now().toString(16)}`;
|
||
}
|
||
})();
|