// retoor <retoor@molodetz.nl>
import { Http } from "./Http.js";
import { SeoProgressSocket } from "./SeoProgressSocket.js";
const STATUS_LABEL = {
pass: "pass",
warn: "warn",
fail: "fail",
info: "info",
skip: "skip",
};
export class SeoDiagnostics {
constructor() {
this.root = document.querySelector("[data-seo-tool]");
if (!this.root) return;
this.form = this.root.querySelector("[data-seo-form]");
this.modeSelect = this.root.querySelector("[data-seo-mode]");
this.pagesField = this.root.querySelector("[data-seo-pages]");
this.errorBox = this.root.querySelector("[data-seo-error]");
this.live = this.root.querySelector("[data-seo-live]");
this.statusText = this.root.querySelector("[data-seo-status]");
this.countText = this.root.querySelector("[data-seo-count]");
this.bar = this.root.querySelector("[data-seo-bar]");
this.log = this.root.querySelector("[data-seo-log]");
this.report = this.root.querySelector("[data-seo-report]");
this.socket = null;
this.uid = null;
this._bind();
}
_bind() {
this.modeSelect.addEventListener("change", () => this._syncMode());
this._syncMode();
this.form.addEventListener("submit", (event) => {
event.preventDefault();
this._start();
});
}
_syncMode() {
const sitemap = this.modeSelect.value === "sitemap";
this.pagesField.hidden = !sitemap;
}
async _start() {
this._setError("");
const url = this.form.url.value.trim();
if (!url) return;
const params = {
url,
mode: this.modeSelect.value,
max_pages: this.form.max_pages ? this.form.max_pages.value : 10,
};
this._resetLive();
try {
const data = await Http.send("/tools/seo/run", params);
this.uid = data.uid;
this._watch(data.uid);
} catch (error) {
this._setError(error.message || "Could not start the audit.");
this.live.hidden = true;
}
}
_resetLive() {
if (this.socket) this.socket.close();
this.report.hidden = true;
this.report.querySelector("[data-seo-categories]").innerHTML = "";
this.report.querySelector("[data-seo-checks]").innerHTML = "";
this.live.hidden = false;
this.log.innerHTML = "";
this.bar.style.width = "0%";
this.countText.textContent = "";
this.statusText.textContent = "Starting…";
this.form.querySelector("[data-seo-run]").disabled = true;
}
_watch(uid) {
this.socket = new SeoProgressSocket(uid, {
onMessage: (frame) => this._frame(frame),
onClose: () => {},
});
this.socket.connect();
}
_frame(frame) {
const type = frame.type;
if (type === "stage") {
this.statusText.textContent = frame.message || "Working…";
} else if (type === "target") {
const total = (frame.urls || []).length;
this.countText.textContent = total ? `0 / ${total} pages` : "";
this.statusText.textContent = `Auditing ${frame.url}`;
} else if (type === "progress") {
const total = frame.total || 1;
const done = frame.done || 0;
this.bar.style.width = `${Math.round((done / total) * 100)}%`;
this.countText.textContent = `${done} / ${total} pages`;
if (frame.message) this.statusText.textContent = frame.message;
} else if (type === "page_loaded") {
this.bar.style.width = `${Math.round((frame.done / frame.total) * 100)}%`;
this.countText.textContent = `${frame.done} / ${frame.total} pages`;
this._appendLog(`${frame.status} ${frame.url}`);
} else if (type === "report_ready") {
this.statusText.textContent = "Compiling report…";
} else if (type === "done") {
this.bar.style.width = "100%";
this.statusText.textContent = "Done";
this.form.querySelector("[data-seo-run]").disabled = false;
const reportUrl = frame.report_url || `/tools/seo/${this.uid}/report`;
if (frame.report && Object.keys(frame.report).length) {
this._renderReport(frame.report, reportUrl);
} else {
this._loadReport(reportUrl);
}
} else if (type === "failed") {
this.statusText.textContent = "Failed";
this._setError(frame.message || frame.error || "The audit failed.");
this.form.querySelector("[data-seo-run]").disabled = false;
}
}
_appendLog(text) {
const item = document.createElement("li");
item.textContent = text;
this.log.prepend(item);
}
async _loadReport(url) {
this.form.querySelector("[data-seo-run]").disabled = false;
let report;
try {
report = await Http.getJson(url);
} catch (error) {
this._setError("Could not load the report.");
return;
}
this._renderReport(report, url);
}
_renderReport(report, url) {
this.report.hidden = false;
this.report.querySelector("[data-seo-score]").textContent = report.score ?? 0;
const gauge = this.report.querySelector("[data-seo-gauge]");
gauge.className = `seo-gauge seo-grade-${(report.grade || "f").toLowerCase()}`;
this.report.querySelector("[data-seo-grade]").textContent = report.grade || "";
this.report.querySelector("[data-seo-target]").textContent = report.target || "";
this.report.querySelector("[data-seo-report-link]").href = url.replace(/\?.*$/, "");
const counts = report.counts || {};
this.report.querySelector("[data-seo-counts]").innerHTML = ["pass", "warn", "fail", "info"]
.map((key) => `<span class="seo-chip seo-chip-${key}">${counts[key] || 0} ${key}</span>`)
.join("");
this._renderCategories(report.categories || {});
this._renderChecks(report.categories || {}, report.checks || [], report.page_count || 1);
}
_renderCategories(categories) {
const host = this.report.querySelector("[data-seo-categories]");
host.innerHTML = Object.entries(categories)
.map(([name, meta]) => {
const score = meta.score === null || meta.score === undefined ? "" : `<span class="seo-cat-score">${meta.score}</span>`;
return `<div class="seo-cat-pill"><span class="seo-cat-name">${this._title(name)}</span>${score}</div>`;
})
.join("");
}
_renderChecks(categories, checks, pageCount) {
const host = this.report.querySelector("[data-seo-checks]");
const groups = Object.keys(categories).map((cat) => {
const items = checks.filter((c) => c.category === cat);
const rows = items.map((check) => this._checkRow(check, pageCount)).join("");
return `<section class="seo-check-group"><h2>${this._title(cat)}</h2>${rows}</section>`;
});
host.innerHTML = groups.join("");
}
_checkRow(check, pageCount) {
const status = STATUS_LABEL[check.status] || check.status;
const url = check.url && pageCount > 1 ? `<span class="seo-check-url">${this._escape(check.url)}</span>` : "";
const value = check.value ? `<span class="seo-check-value">${this._escape(check.value)}</span>` : "";
const rec = check.recommendation ? `<span class="seo-check-rec">${this._escape(check.recommendation)}</span>` : "";
return `<div class="seo-check seo-check-${check.status}">
<span class="seo-check-status">${status}</span>
<div class="seo-check-body">
<span class="seo-check-title">${this._escape(check.title)} ${url}</span>
${value}${rec}
</div>
<span class="seo-check-severity seo-sev-${check.severity}">${check.severity}</span>
</div>`;
}
_title(text) {
return String(text).replace(/_/g, " ").replace(/\b\w/g, (c) => c.toUpperCase());
}
_escape(text) {
const div = document.createElement("div");
div.textContent = text == null ? "" : String(text);
return div.innerHTML;
}
_setError(message) {
if (!this.errorBox) return;
this.errorBox.textContent = message;
this.errorBox.hidden = !message;
}
}