132 lines
3.1 KiB
JavaScript
132 lines
3.1 KiB
JavaScript
const postMapping = new Map([
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[
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"Software",
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[
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{ name: "from github pages to aws", link: "from-github-pages-to-aws" },
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{ name: "designing this website" },
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{ name: "working in the terminal" },
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],
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],
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[
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"Economics",
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[
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{ name: "romer-solow model" },
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{ name: "the short run" },
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{ name: "to invest or not to invest" },
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],
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],
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["Trading", [{ name: "InteractiveBrokers TWS" }, { name: "valuation" }]],
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["Algorithms", [{ name: "two pointers" }, { name: "convex hull" }]],
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]);
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function refresh(e) {
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e.preventDefault();
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const topics = document.querySelectorAll(".topic a");
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topics.forEach((topic) => {
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topic.classList.remove("active");
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topic.style.color = "";
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});
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document.getElementById("posts").innerHTML = "";
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clearPrompt(500);
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}
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function renderPosts(topic) {
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const posts = document.getElementById("posts");
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posts.innerHTML = "";
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postMapping.get(topic).forEach(({ name: postName, link: postLink }) => {
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const post = document.createElement("div");
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post.classList.add("post");
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const link = document.createElement("a");
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link.href = postLink ? `/posts/${postLink}.html` : `/wip.html`;
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link.textContent = postName;
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post.appendChild(link);
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posts.appendChild(post);
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});
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}
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let typing = false;
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function typechars(e) {
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e.preventDefault();
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if (typing) return;
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typing = true;
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const topic = e.target.textContent;
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const terminalText = ` ${topic.toLowerCase()}/`;
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const terminalPrompt = document.querySelector(".terminal-prompt");
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const delay =
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terminalPrompt.innerHTML.length > TERMINAL_PROMPT.length ? 250 : 500;
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clearPrompt(delay, () => {
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let i = 0;
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function typechar() {
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if (i < terminalText.length) {
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terminalPrompt.innerHTML += terminalText.charAt(i++);
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setTimeout(typechar, delay / terminalText.length);
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} else {
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renderPosts(topic);
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typing = false;
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}
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}
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typechar();
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});
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}
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window.addEventListener("beforeunload", () => {
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document.querySelector(".terminal-prompt").innerHTML = TERMINAL_PROMPT;
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});
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function applyColor(topic) {
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switch (topic.parentElement.className.split(" ")[1]) {
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case "software":
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topic.style.color = "#0073e6";
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break;
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case "economics":
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topic.style.color = "#009975";
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break;
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case "trading":
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topic.style.color = "#d50032";
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break;
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case "algorithms":
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topic.style.color = "#6a0dad";
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break;
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}
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}
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document.addEventListener("DOMContentLoaded", function () {
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const topics = document.querySelectorAll(".topic a");
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topics.forEach((topic) => {
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topic.addEventListener("mouseenter", () => {
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applyColor(topic);
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});
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topic.addEventListener("mouseleave", () => {
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if (!topic.classList.contains("active")) {
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topic.style.color = "";
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}
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});
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topic.addEventListener("click", (e) => {
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e.preventDefault();
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topics.forEach((t) => {
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t.classList.remove("active");
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t.style.color = "";
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});
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topic.classList.add("active");
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document.getElementById("posts").innerHTML = "";
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applyColor(topic);
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});
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});
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});
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