36 lines
1.3 KiB
JavaScript
36 lines
1.3 KiB
JavaScript
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/**
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* This module implements the `howabout` functionality in the 404 page.
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*/
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import { DeclarationDataCenter } from "./declaration-data.js";
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const HOW_ABOUT = document.querySelector("#howabout");
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if (HOW_ABOUT) {
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HOW_ABOUT.innerText = "Please wait a second. I'll try to help you.";
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HOW_ABOUT.parentNode
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.insertBefore(document.createElement("pre"), HOW_ABOUT)
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.appendChild(document.createElement("code")).innerText =
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window.location.href.replace(/[/]/g, "/\u200b");
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// TODO: add how about functionality for similar page as well.
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const pattern = window.location.hash.replace("#", "");
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DeclarationDataCenter.init().then((dataCenter) => {
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let results = dataCenter.search(pattern);
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if (results.length > 0) {
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HOW_ABOUT.innerText = "How about one of these instead:";
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const ul = HOW_ABOUT.appendChild(document.createElement("ul"));
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for (const { decl, link } of results) {
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const li = ul.appendChild(document.createElement("li"));
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const a = li.appendChild(document.createElement("a"));
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a.href = link;
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a.appendChild(document.createElement("code")).innerText = decl;
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}
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} else {
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HOW_ABOUT.innerText = "Sorry, I cannot find any similar declarations. Check the link or use the module navigation to find what you want :P";
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}
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});
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}
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