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import type LilbeePlugin from "../main";
import { MESSAGES } from "../locales/en";
import { bindEscapeToClose, ensureUrlScheme } from "../utils";
import { CAPABILITY, CONFIG_KEY, CRAWL_RENDER_MODE, type CrawlRenderMode } from "../types";
import { applyConfig } from "../utils/reindex";
type ParseResult = { value: number | null; error: string | null };
function parseOptionalCount(raw: string, opts: { allowZero: boolean }): ParseResult {
const errMsg = opts.allowZero ? MESSAGES.ERROR_CRAWL_DEPTH_INVALID : MESSAGES.ERROR_CRAWL_MAX_PAGES_POSITIVE;
const trimmed = raw.trim();
if (trimmed === "") return { value: null, error: null };
const n = Number(trimmed);
if (!Number.isFinite(n) || !Number.isInteger(n) || n < 0) {
return { value: null, error: errMsg };
}
if (n === 0 && !opts.allowZero) {
return { value: null, error: errMsg };
}
return { value: n, error: null };
}
const asInput = (el: HTMLElement): HTMLInputElement => el as unknown as HTMLInputElement;
export class CrawlModal extends Modal {
private plugin: LilbeePlugin;
constructor(app: App, plugin: LilbeePlugin) {
super(app);
this.plugin = plugin;
bindEscapeToClose(this);
}
/** The Chromium install offer, shown only when the server cannot render with a browser. */
private renderBrowserSetup(contentEl: HTMLElement, browserInput: HTMLElement): void {
const browserSetup = contentEl.createDiv({ cls: "lilbee-crawl-browser-setup" });
browserSetup.createSpan({ text: MESSAGES.NOTICE_CRAWL_BROWSER_MISSING });
const installBtn = browserSetup.createEl("button", {
text: MESSAGES.BUTTON_INSTALL_CHROMIUM,
attr: { type: "button" },
});
browserSetup.hide();
installBtn.addEventListener("click", () => {
installBtn.disabled = true;
void this.plugin.installCrawlerBrowser().then((installed) => {
installBtn.disabled = false;
if (!installed) return;
asInput(browserInput).disabled = false;
asInput(browserInput).checked = true;
browserSetup.hide();
});
});
void this.applyBrowserCapability(browserInput, browserSetup);
}
/** Resolve both before touching the toggle: the sticky default must not re-check a disabled box. */
private async applyBrowserCapability(browserInput: HTMLElement, browserSetup: HTMLElement): Promise<void> {
const [cfg, browserReady] = await Promise.all([
this.plugin.api.config().catch(() => null),
this.plugin.api.getCapability(CAPABILITY.CRAWLING_BROWSER),
]);
if (!browserReady) {
asInput(browserInput).disabled = true;
browserSetup.show();
return;
}
if (cfg !== null) {
asInput(browserInput).checked = cfg.crawl_render_mode === CRAWL_RENDER_MODE.BROWSER;
}
}
onOpen(): void {
const { contentEl } = this;
contentEl.empty();
contentEl.addClass("lilbee-crawl-modal");
contentEl.createEl("h2", { text: MESSAGES.TITLE_CRAWL_WEB_PAGE });
const urlInput = contentEl.createEl("input", {
cls: "lilbee-crawl-url",
placeholder: MESSAGES.PLACEHOLDER_URL,
attr: { type: "text", title: MESSAGES.TOOLTIP_CRAWL_URL },
});
const recursiveRow = contentEl.createDiv({ cls: "lilbee-crawl-recursive-row" });
const recursiveLabel = recursiveRow.createEl("label", {
cls: "lilbee-crawl-recursive",
attr: { title: MESSAGES.TOOLTIP_CRAWL_RECURSIVE },
});
const recursiveInput = recursiveLabel.createEl("input", {
cls: "lilbee-crawl-recursive-input",
attr: { type: "checkbox" },
});
asInput(recursiveInput).checked = false;
recursiveLabel.createSpan({ text: MESSAGES.LABEL_CRAWL_RECURSIVE });
const infoBtn = recursiveRow.createEl("button", {
cls: "lilbee-crawl-info-btn",
attr: {
type: "button",
"aria-label": MESSAGES.LABEL_CRAWL_RECURSIVE_INFO,
"aria-expanded": "false",
},
});
setIcon(infoBtn, "info");
const notice = contentEl.createDiv({ cls: "lilbee-crawl-notice" });
notice.setAttribute("hidden", "hidden");
notice.setText(MESSAGES.NOTICE_CRAWL_RECURSIVE);
let noticeOpen = false;
const setNoticeOpen = (open: boolean): void => {
noticeOpen = open;
if (open) {
notice.removeAttribute("hidden");
infoBtn.setAttribute("aria-expanded", "true");
} else {
notice.setAttribute("hidden", "hidden");
infoBtn.setAttribute("aria-expanded", "false");
}
};
infoBtn.addEventListener("click", () => setNoticeOpen(!noticeOpen));
const browserRow = contentEl.createDiv({ cls: "lilbee-crawl-browser-row" });
const browserLabel = browserRow.createEl("label", {
cls: "lilbee-crawl-browser",
attr: { title: MESSAGES.TOOLTIP_CRAWL_USE_BROWSER },
});
const browserInput = browserLabel.createEl("input", {
cls: "lilbee-crawl-browser-input",
attr: { type: "checkbox" },
});
asInput(browserInput).checked = false;
browserLabel.createSpan({ text: MESSAGES.LABEL_CRAWL_USE_BROWSER });
this.renderBrowserSetup(contentEl, browserInput);
const advanced = contentEl.createEl("details", { cls: "lilbee-crawl-advanced" });
advanced.createEl("summary", { text: MESSAGES.LABEL_CRAWL_ADVANCED });
const subdomainsRow = advanced.createDiv({ cls: "lilbee-crawl-subdomains-row" });
const subdomainsLabel = subdomainsRow.createEl("label", {
cls: "lilbee-crawl-subdomains",
attr: { title: MESSAGES.TOOLTIP_CRAWL_SUBDOMAINS },
});
const subdomainsInput = subdomainsLabel.createEl("input", {
cls: "lilbee-crawl-subdomains-input",
attr: { type: "checkbox" },
});
asInput(subdomainsInput).checked = false;
subdomainsLabel.createSpan({ text: MESSAGES.LABEL_CRAWL_SUBDOMAINS });
const options = advanced.createDiv({ cls: "lilbee-crawl-options" });
const depthLabel = options.createEl("label", { text: MESSAGES.LABEL_DEPTH });
const depthInput = depthLabel.createEl("input", {
cls: "lilbee-crawl-depth",
placeholder: MESSAGES.HINT_CRAWL_BLANK_NO_LIMIT,
attr: { type: "number", min: "0", title: MESSAGES.TOOLTIP_CRAWL_DEPTH },
});
asInput(depthInput).value = "";
const maxLabel = options.createEl("label", { text: MESSAGES.LABEL_MAX_PAGES });
const maxInput = maxLabel.createEl("input", {
cls: "lilbee-crawl-max-pages",
placeholder: MESSAGES.HINT_CRAWL_BLANK_NO_LIMIT,
attr: { type: "number", min: "1", title: MESSAGES.TOOLTIP_CRAWL_MAX_PAGES },
});
asInput(maxInput).value = "";
// Error element lives OUTSIDE the Advanced disclosure so it's visible
// even when the user collapses Advanced after typing bad input.
const errorEl = contentEl.createDiv({ cls: "lilbee-crawl-error" });
const syncRecursiveState = (): void => {
const recursive = asInput(recursiveInput).checked;
asInput(depthInput).disabled = !recursive;
asInput(maxInput).disabled = !recursive;
advanced.style.display = recursive ? "" : "none";
infoBtn.style.display = recursive ? "" : "none";
if (!recursive) {
errorEl.setText("");
setNoticeOpen(false);
}
};
recursiveInput.addEventListener("change", syncRecursiveState);
syncRecursiveState();
const actions = contentEl.createDiv({ cls: "lilbee-crawl-actions" });
const crawlBtn = actions.createEl("button", { text: MESSAGES.BUTTON_CRAWL, cls: "mod-cta" });
crawlBtn.addEventListener("click", () => {
const raw = asInput(urlInput).value.trim();
if (!raw) {
new Notice(MESSAGES.NOTICE_ENTER_URL);
return;
}
const url = ensureUrlScheme(raw);
const recursive = asInput(recursiveInput).checked;
let depth: number | null;
let maxPages: number | null;
if (!recursive) {
depth = 0;
maxPages = null;
errorEl.setText("");
} else {
const depthRes = parseOptionalCount(asInput(depthInput).value, { allowZero: true });
const maxRes = parseOptionalCount(asInput(maxInput).value, { allowZero: false });
const err = maxRes.error ?? depthRes.error;
if (err) {
errorEl.setText(err);
advanced.open = true;
return;
}
errorEl.setText("");
depth = depthRes.value;
maxPages = maxRes.value;
}
const renderMode: CrawlRenderMode = asInput(browserInput).checked
? CRAWL_RENDER_MODE.BROWSER
: CRAWL_RENDER_MODE.HTTP;
// Persist the sticky default; non-fatal since runCrawl below drives this crawl explicitly.
void applyConfig(this.plugin, { [CONFIG_KEY.CRAWL_RENDER_MODE]: renderMode }).catch(() => {});
// Subdomain scope only applies to link discovery, so a single-page crawl omits it.
const includeSubdomains = recursive ? asInput(subdomainsInput).checked : undefined;
void this.plugin.runCrawl(url, depth, maxPages, renderMode, includeSubdomains);
this.close();
});
const cancelBtn = actions.createEl("button", { text: MESSAGES.BUTTON_CANCEL });
cancelBtn.addEventListener("click", () => this.close());
}
}
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