ash_hq/assets/js/app.js

// If you want to use Phoenix channels, run `mix help phx.gen.channel`
// to get started and then uncomment the line below.
// import "./user_socket.js"

// You can include dependencies in two ways.
//
// The simplest option is to put them in assets/vendor and
// import them using relative paths:
//
//     import "../vendor/some-package.js"
//
// Alternatively, you can `npm install some-package --prefix assets` and import
// them using a path starting with the package name:
//
//     import "some-package"
//
import scrollIntoView from "smooth-scroll-into-view-if-needed";

// Include phoenix_html to handle method=PUT/DELETE in forms and buttons.
import "phoenix_html";
// Establish Phoenix Socket and LiveView configuration.
import { Socket } from "phoenix";
import { LiveSocket } from "phoenix_live_view";
import topbar from "../vendor/topbar";

function setCookie(name, value) {
  document.cookie =
    name + "=" + value + ";path=/;" + "expires=Fri, 31 Dec 9999 23:59:59 GMT;";
}

function getCookie(name) {
  const cookie = document.cookie
    .split("; ")
    .find((row) => row.startsWith(name + "="));
  if (cookie) {
    return cookie.split("=")[1];
  }
}

function cookiesAreAllowed() {
  return getCookie("cookieconsent_status") === "allow";
}

function get_platform() {
  // 2022 way of detecting. Note : this userAgentData feature is available only in secure contexts (HTTPS)
  if (
    typeof navigator.userAgentData !== "undefined" &&
    navigator.userAgentData != null
  ) {
    return navigator.userAgentData.platform;
  }
  // Deprecated but still works for most of the browser
  if (typeof navigator.platform !== "undefined") {
    if (
      typeof navigator.userAgent !== "undefined" &&
      /android/.test(navigator.userAgent.toLowerCase())
    ) {
      // android device's navigator.platform is often set as 'linux', so let's use userAgent for them
      return "android";
    }
    return navigator.platform;
  }
  return "unknown";
}

let platform = get_platform();

let isOSX = /mac/.test(platform.toLowerCase()); // Mac desktop

const Hooks = {};

let selectedTheme;
if (cookiesAreAllowed()) {
  selectedTheme = getCookie("theme");
}
selectedTheme = selectedTheme || "system";

setTheme(selectedTheme);

window
  .matchMedia("(prefers-color-scheme: dark)")
  .addEventListener("change", (event) => {
    setTheme(selectedTheme);
  });

function setTheme(selectedTheme, doSetCookie = false) {
  let newTheme = selectedTheme;
  if (selectedTheme == "system") {
    if (window.matchMedia("(prefers-color-scheme: dark)").matches) {
      newTheme = "dark";
    } else {
      newTheme = "light";
    }
  }

  document.documentElement.classList.add(newTheme);

  if (newTheme === "dark") {
    document.documentElement.classList.remove("light");
  } else {
    document.documentElement.classList.remove("dark");
  }

  if (doSetCookie && cookiesAreAllowed()) {
    setCookie("theme", selectedTheme);
  }
}

Hooks.ColorTheme = {
  mounted() {
    this.handleEvent("set_theme", (payload) => {
      selectedTheme = payload.theme;
      setTheme(payload.theme, true);
    });
  },
};

let scrolled = false;

Hooks.RightNav = {
  mounted() {
    this.intersectionObserver = new IntersectionObserver(
      (entries) => this.onScrollChange(entries),
      { rootMargin: "-10% 0px -89% 0px" },
    );

    this.observeElements();
    window.addEventListener("hashchange", (event) => {
      this.handleHashChange();
    });
  },
  updated() {
    this.intersectionObserver.disconnect();
    this.observeElements();
  },
  observeElements() {
    for (el of document.querySelectorAll("#docs-window .nav-anchor")) {
      this.intersectionObserver.observe(el);
    }
  },
  onScrollChange(entries) {
    // Wait for scrolling from initial page load to complete
    if (!scrolled) {
      return;
    }

    for (entry of entries) {
      if (entry.isIntersecting) {
        this.setAriaCurrent(entry.target.id);
      }
    }
  },
  handleHashChange() {
    if (window.location.hash) {
      this.setAriaCurrent(window.location.hash.substring(1));

      // Disable the insersection observer for 1s while the browser
      // scrolls the selected element to the top.
      scrolled = false;
      setTimeout(() => {
        scrolled = true;
      }, 1000);
    }
  },
  setAriaCurrent(id) {
    const el = document.getElementById("right-nav-" + id);
    if (el) {
      for (elem of document.querySelectorAll("#right-nav a[aria-current]")) {
        elem.removeAttribute("aria-current");
      }
      el.setAttribute("aria-current", "true");
    }
  },
};

Hooks.TextOverflow = {
  mounted() {
    this.setTitlesForOverflowingLinks(this.el);
  },
  updated() {
    this.setTitlesForOverflowingLinks(this.el);
  },
  setTitlesForOverflowingLinks(selector) {
    for (elem of selector.querySelectorAll("a, span.text-ellipsis")) {
      if (elem.offsetWidth < elem.scrollWidth) {
        elem.setAttribute("title", elem.innerHTML.trim());
      }
    }
  },
};

Hooks.TableOfContentsTextOverflow = Hooks.TextOverflow;

let csrfToken = document
  .querySelector("meta[name='csrf-token']")
  .getAttribute("content");
let liveSocket = new LiveSocket("/live", Socket, {
  params: { _csrf_token: csrfToken, user_agent: window.navigator.userAgent },
  hooks: Hooks,
  metadata: {
    keydown: (e) => {
      return {
        key: e.key,
        metaKey: e.metaKey,
      };
    },
  },
});

// Show progress bar on live navigation and form submits. Only displays if still
// loading after 120 msec
topbar.config({ barColors: { 0: "#29d" }, shadowColor: "rgba(0, 0, 0, .3)" });

let topBarScheduled = undefined;
window.addEventListener("phx:page-loading-start", ({ detail }) => {
  scrolled = false;

  // close mobile sidebar on navigation
  mobileSideBar = document.getElementById("mobile-sidebar-hide");
  if (mobileSideBar) {
    mobileSideBar.click();
  }

  if (!topBarScheduled) {
    topBarScheduled = setTimeout(() => topbar.show(), 120);
  }
});

window.addEventListener("phx:page-loading-stop", ({ detail }) => {
  clearTimeout(topBarScheduled);
  topbar.hide();
  topBarScheduled = undefined;
  let scrollEl;
  if (detail.kind === "initial" && window.location.hash) {
    scrollEl = document.getElementById(window.location.hash.substring(1));
  } else if (detail.kind == "patch" && !window.location.hash) {
    scrollEl =
      document.querySelector("#docs-window .nav-anchor") ||
      document.querySelector("#docs-window h1");
  }
  if (scrollEl) {
    Hooks.RightNav.setAriaCurrent(scrollEl.id);
    // Not using scroll polyfill here - doesn't respect scroll-padding-top CSS
    scrollEl.scrollIntoView({ block: "start" });
    setTimeout(() => {
      scrolled = true;
    }, 1000);
  } else {
    scrolled = true;
  }
});

window.addEventListener("js:focus", (e) => e.target.focus());

window.addEventListener("phx:js:scroll-to", (e) => {
  const target = document.getElementById(e.detail.id);
  const boundary = target.closest(".scroll-parent");
  scrollIntoView(target, {
    behavior: "smooth",
    block: "start",
    boundary: boundary,
  });
});

window.addEventListener("keydown", (event) => {
  if ((event.metaKey || event.ctrlKey) && event.key === "k") {
    document.getElementById("search-button").click();
    event.preventDefault();
  }
});
window.addEventListener("keydown", (event) => {
  if (event.key === "Escape") {
    const closeSearchVersions = document.getElementById(
      "close-search-versions",
    );
    if (closeSearchVersions && closeSearchVersions.offsetParent !== null) {
      closeSearchVersions.click();
    } else {
      document.getElementById("close-search").click();
    }
    event.preventDefault();
  }
});

window.addEventListener("phx:click-on-item", (event) => {
  document.getElementById(event.detail.id).click();
  document.getElementById("close-search").click();
  event.preventDefault();
});

window.addEventListener("phx:close-search", (event) => {
  document.getElementById("close-search").click();
  event.preventDefault();
});

// connect if there are any LiveViews on the page
liveSocket.connect();

// expose liveSocket on window for web console debug logs and latency simulation:
// liveSocket.disableDebug();
// >> liveSocket.enableLatencySim(1000)  // enabled for duration of browser session
// >> liveSocket.disableLatencySim()
window.liveSocket = liveSocket;

window.addEventListener("load", function () {
  window.cookieconsent.initialise({
    content: {
      message:
        "Hi, this website uses essential cookies for remembering your explicitly set preferences, if you opt-in. We do not use google analytics, but we do use plausible.io, an ethical google analytics alternative which does not use any cookies and collects no personal data.",
      link: null,
    },
    type: "opt-in",
    palette: {
      popup: {
        background: "#000",
      },
      button: {
        background: "#f1d600",
      },
    },
  });
});