Datasets:

TIGER-Lab
/

WebsiteBench

/* Lowe's offline clone — progressive enhancement only.
 *
 * Every control this file touches already works without JavaScript: the search
 * box is a GET form, the account drawer has a same-origin page fallback, the
 * quantity stepper wraps a number input inside a POST form, and each filter is
 * a checkbox inside the results form with its own submit button. Nothing here
 * contacts a remote origin; the only network call is the same-origin
 * autocomplete endpoint.
 */
(function () {
  "use strict";

  function ready(fn) {
    if (document.readyState !== "loading") {
      fn();
    } else {
      document.addEventListener("DOMContentLoaded", fn);
    }
  }

  /* ----------------------------------------------------------------- */
  /* account drawer                                                     */
  /* ----------------------------------------------------------------- */

  function setupDrawer() {
    var drawer = document.querySelector("[data-account-drawer]");
    var overlay = document.querySelector("[data-account-overlay]");
    if (!drawer || !overlay) {
      return;
    }
    var lastFocus = null;

    function open() {
      lastFocus = document.activeElement;
      drawer.hidden = false;
      overlay.hidden = false;
      document.body.style.overflow = "hidden";
      var focusable = drawer.querySelector(
        "input, button, select, textarea, a[href]"
      );
      if (focusable) {
        focusable.focus();
      }
    }

    function close() {
      drawer.hidden = true;
      overlay.hidden = true;
      document.body.style.overflow = "";
      if (lastFocus && typeof lastFocus.focus === "function") {
        lastFocus.focus();
      }
    }

    document.querySelectorAll("[data-account-open]").forEach(function (trigger) {
      trigger.addEventListener("click", function (event) {
        event.preventDefault();
        open();
      });
    });
    document.querySelectorAll("[data-account-close]").forEach(function (trigger) {
      trigger.addEventListener("click", function (event) {
        event.preventDefault();
        close();
      });
    });
    overlay.addEventListener("click", close);
    document.addEventListener("keydown", function (event) {
      if (event.key === "Escape" && !drawer.hidden) {
        close();
      }
    });
    if (drawer.getAttribute("data-account-drawer") === "open") {
      open();
    }
  }

  /* ----------------------------------------------------------------- */
  /* primary category flyouts                                          */
  /* ----------------------------------------------------------------- */

  function setupCatnav() {
    var menus = Array.prototype.slice.call(
      document.querySelectorAll("[data-catnav-menu]")
    );
    if (!menus.length) {
      return;
    }

    function closeOthers(active) {
      menus.forEach(function (menu) {
        if (menu !== active) {
          menu.open = false;
        }
      });
    }

    menus.forEach(function (menu) {
      var item = menu.closest(".catnav__item") || menu;
      var summary = menu.querySelector("summary");
      var openedByHover = false;
      var pinnedByClick = false;
      item.addEventListener("mouseenter", function () {
        closeOthers(menu);
        if (!menu.open) {
          menu.open = true;
          openedByHover = true;
        }
      });
      item.addEventListener("mouseleave", function () {
        if (!pinnedByClick) {
          menu.open = false;
        }
        openedByHover = false;
      });
      if (summary) {
        summary.addEventListener("click", function (event) {
          // Pointer entry can open the flyout before the native <details>
          // toggle runs. Own the click transition so pointer and keyboard
          // activation cannot immediately reverse the hover-open state.
          event.preventDefault();
          var shouldOpen = openedByHover || !menu.open;
          closeOthers(menu);
          menu.open = shouldOpen;
          pinnedByClick = shouldOpen;
          openedByHover = false;
        });
      }
      menu.addEventListener("toggle", function () {
        if (menu.open) {
          closeOthers(menu);
        } else {
          pinnedByClick = false;
        }
      });
    });

    document.addEventListener("keydown", function (event) {
      if (event.key === "Escape") {
        closeOthers(null);
      }
    });
  }

  /* ----------------------------------------------------------------- */
  /* search autocomplete                                                */
  /* ----------------------------------------------------------------- */

  function escapeHtml(value) {
    return String(value).replace(/[&<>"']/g, function (character) {
      return {
        "&": "&amp;",
        "<": "&lt;",
        ">": "&gt;",
        '"': "&quot;",
        "'": "&#39;"
      }[character];
    });
  }

  function highlight(label, query) {
    var safe = escapeHtml(label);
    var needle = query.trim();
    if (!needle) {
      return safe;
    }
    var index = safe.toLowerCase().indexOf(escapeHtml(needle).toLowerCase());
    if (index < 0) {
      return safe;
    }
    var end = index + needle.length;
    return (
      safe.slice(0, index) +
      "<mark>" +
      safe.slice(index, end) +
      "</mark>" +
      safe.slice(end)
    );
  }

  function setupSuggest() {
    var form = document.querySelector("[data-suggest-form]");
    if (!form) {
      return;
    }
    var input = form.querySelector("[data-suggest-input]");
    var panel = document.querySelector("[data-suggest-panel]");
    if (!input || !panel) {
      return;
    }
    var items = [];
    var cursor = -1;
    var timer = null;

    function hide() {
      panel.hidden = true;
      panel.innerHTML = "";
      items = [];
      cursor = -1;
      input.setAttribute("aria-expanded", "false");
    }

    function render(payload) {
      var groups = payload && payload.groups ? payload.groups : [];
      var html = "";
      items = [];
      groups.forEach(function (group) {
        if (!group.items || !group.items.length) {
          return;
        }
        html += '<div class="suggestions__group">';
        html += '<div class="suggestions__label">' + escapeHtml(group.label) + "</div>";
        group.items.forEach(function (item) {
          var index = items.length;
          items.push(item);
          html +=
            '<button type="button" class="suggestions__item" role="option"' +
            ' aria-selected="false" data-suggest-index="' +
            index +
            '">' +
            highlight(item.label, input.value) +
            "</button>";
        });
        html += "</div>";
      });
      if (!items.length) {
        hide();
        return;
      }
      panel.innerHTML = html;
      panel.hidden = false;
      input.setAttribute("aria-expanded", "true");
      cursor = -1;
    }

    function move(delta) {
      if (!items.length) {
        return;
      }
      var buttons = panel.querySelectorAll("[data-suggest-index]");
      if (cursor >= 0 && buttons[cursor]) {
        buttons[cursor].setAttribute("aria-selected", "false");
      }
      cursor = (cursor + delta + items.length) % items.length;
      if (buttons[cursor]) {
        buttons[cursor].setAttribute("aria-selected", "true");
        buttons[cursor].scrollIntoView({ block: "nearest" });
      }
    }

    function choose(index) {
      var item = items[index];
      if (!item) {
        return;
      }
      if (item.href) {
        window.location.assign(item.href);
        return;
      }
      input.value = item.label;
      form.submit();
    }

    function request() {
      var query = input.value.trim();
      if (query.length < 2) {
        hide();
        return;
      }
      fetch("/api/suggest?q=" + encodeURIComponent(query), {
        headers: { Accept: "application/json" },
        credentials: "same-origin"
      })
        .then(function (response) {
          return response.ok ? response.json() : { groups: [] };
        })
        .then(render)
        .catch(hide);
    }

    input.addEventListener("input", function () {
      window.clearTimeout(timer);
      timer = window.setTimeout(request, 90);
    });
    input.addEventListener("keydown", function (event) {
      if (panel.hidden) {
        return;
      }
      if (event.key === "ArrowDown") {
        event.preventDefault();
        move(1);
      } else if (event.key === "ArrowUp") {
        event.preventDefault();
        move(-1);
      } else if (event.key === "Enter" && cursor >= 0) {
        event.preventDefault();
        choose(cursor);
      } else if (event.key === "Escape") {
        hide();
      }
    });
    panel.addEventListener("click", function (event) {
      var target = event.target.closest("[data-suggest-index]");
      if (target) {
        choose(Number(target.getAttribute("data-suggest-index")));
      }
    });
    document.addEventListener("click", function (event) {
      if (!form.contains(event.target) && !panel.contains(event.target)) {
        hide();
      }
    });
  }

  /* ----------------------------------------------------------------- */
  /* quantity steppers + auto-submitting selects                        */
  /* ----------------------------------------------------------------- */

  function setupSteppers() {
    document.querySelectorAll("[data-quantity]").forEach(function (widget) {
      var input = widget.querySelector("input[type=number]");
      if (!input) {
        return;
      }
      widget.querySelectorAll("[data-quantity-step]").forEach(function (button) {
        button.addEventListener("click", function () {
          var step = Number(button.getAttribute("data-quantity-step"));
          var min = Number(input.getAttribute("min") || 1);
          var max = Number(input.getAttribute("max") || 99);
          var next = Math.min(max, Math.max(min, Number(input.value || min) + step));
          input.value = String(next);
          input.dispatchEvent(new Event("change", { bubbles: true }));
        });
      });
    });
  }

  function setupAutoSubmit() {
    document.querySelectorAll("[data-autosubmit]").forEach(function (control) {
      control.addEventListener("change", function () {
        var form = control.form;
        if (form) {
          form.requestSubmit ? form.requestSubmit() : form.submit();
        }
      });
    });
  }

  /* ----------------------------------------------------------------- */
  /* product gallery                                                    */
  /* ----------------------------------------------------------------- */

  function setupGallery() {
    var stage = document.querySelector("[data-gallery-stage]");
    if (!stage) {
      return;
    }
    document.querySelectorAll("[data-gallery-thumb]").forEach(function (thumb) {
      thumb.addEventListener("click", function () {
        document.querySelectorAll("[data-gallery-thumb]").forEach(function (other) {
          other.setAttribute("aria-current", "false");
        });
        thumb.setAttribute("aria-current", "true");
        stage.setAttribute("src", thumb.getAttribute("data-gallery-thumb"));
        stage.setAttribute("alt", thumb.getAttribute("data-gallery-alt") || "");
      });
    });
  }

  ready(function () {
    setupDrawer();
    setupCatnav();
    setupSuggest();
    setupSteppers();
    setupAutoSubmit();
    setupGallery();
  });
})();

	/* Lowe's offline clone — progressive enhancement only.
	*
	* Every control this file touches already works without JavaScript: the search
	* box is a GET form, the account drawer has a same-origin page fallback, the
	* quantity stepper wraps a number input inside a POST form, and each filter is
	* a checkbox inside the results form with its own submit button. Nothing here
	* contacts a remote origin; the only network call is the same-origin
	* autocomplete endpoint.
	*/
	(function () {
	"use strict";

	function ready(fn) {
	if (document.readyState !== "loading") {
	fn();
	} else {
	document.addEventListener("DOMContentLoaded", fn);
	}
	}

	/* ----------------------------------------------------------------- */
	/* account drawer */
	/* ----------------------------------------------------------------- */

	function setupDrawer() {
	var drawer = document.querySelector("[data-account-drawer]");
	var overlay = document.querySelector("[data-account-overlay]");
	if (!drawer \|\| !overlay) {
	return;
	}
	var lastFocus = null;

	function open() {
	lastFocus = document.activeElement;
	drawer.hidden = false;
	overlay.hidden = false;
	document.body.style.overflow = "hidden";
	var focusable = drawer.querySelector(
	"input, button, select, textarea, a[href]"
	);
	if (focusable) {
	focusable.focus();
	}
	}

	function close() {
	drawer.hidden = true;
	overlay.hidden = true;
	document.body.style.overflow = "";
	if (lastFocus && typeof lastFocus.focus === "function") {
	lastFocus.focus();
	}
	}

	document.querySelectorAll("[data-account-open]").forEach(function (trigger) {
	trigger.addEventListener("click", function (event) {
	event.preventDefault();
	open();
	});
	});
	document.querySelectorAll("[data-account-close]").forEach(function (trigger) {
	trigger.addEventListener("click", function (event) {
	event.preventDefault();
	close();
	});
	});
	overlay.addEventListener("click", close);
	document.addEventListener("keydown", function (event) {
	if (event.key === "Escape" && !drawer.hidden) {
	close();
	}
	});
	if (drawer.getAttribute("data-account-drawer") === "open") {
	open();
	}
	}

	/* ----------------------------------------------------------------- */
	/* primary category flyouts */
	/* ----------------------------------------------------------------- */

	function setupCatnav() {
	var menus = Array.prototype.slice.call(
	document.querySelectorAll("[data-catnav-menu]")
	);
	if (!menus.length) {
	return;
	}

	function closeOthers(active) {
	menus.forEach(function (menu) {
	if (menu !== active) {
	menu.open = false;
	}
	});
	}

	menus.forEach(function (menu) {
	var item = menu.closest(".catnav__item") \|\| menu;
	var summary = menu.querySelector("summary");
	var openedByHover = false;
	var pinnedByClick = false;
	item.addEventListener("mouseenter", function () {
	closeOthers(menu);
	if (!menu.open) {
	menu.open = true;
	openedByHover = true;
	}
	});
	item.addEventListener("mouseleave", function () {
	if (!pinnedByClick) {
	menu.open = false;
	}
	openedByHover = false;
	});
	if (summary) {
	summary.addEventListener("click", function (event) {
	// Pointer entry can open the flyout before the native <details>
	// toggle runs. Own the click transition so pointer and keyboard
	// activation cannot immediately reverse the hover-open state.
	event.preventDefault();
	var shouldOpen = openedByHover \|\| !menu.open;
	closeOthers(menu);
	menu.open = shouldOpen;
	pinnedByClick = shouldOpen;
	openedByHover = false;
	});
	}
	menu.addEventListener("toggle", function () {
	if (menu.open) {
	closeOthers(menu);
	} else {
	pinnedByClick = false;
	}
	});
	});

	document.addEventListener("keydown", function (event) {
	if (event.key === "Escape") {
	closeOthers(null);
	}
	});
	}

	/* ----------------------------------------------------------------- */
	/* search autocomplete */
	/* ----------------------------------------------------------------- */

	function escapeHtml(value) {
	return String(value).replace(/[&<>"']/g, function (character) {
	return {
	"&": "&",
	"<": "<",
	">": ">",
	'"': """,
	"'": "'"
	}[character];
	});
	}

	function highlight(label, query) {
	var safe = escapeHtml(label);
	var needle = query.trim();
	if (!needle) {
	return safe;
	}
	var index = safe.toLowerCase().indexOf(escapeHtml(needle).toLowerCase());
	if (index < 0) {
	return safe;
	}
	var end = index + needle.length;
	return (
	safe.slice(0, index) +
	"<mark>" +
	safe.slice(index, end) +
	"</mark>" +
	safe.slice(end)
	);
	}

	function setupSuggest() {
	var form = document.querySelector("[data-suggest-form]");
	if (!form) {
	return;
	}
	var input = form.querySelector("[data-suggest-input]");
	var panel = document.querySelector("[data-suggest-panel]");
	if (!input \|\| !panel) {
	return;
	}
	var items = [];
	var cursor = -1;
	var timer = null;

	function hide() {
	panel.hidden = true;
	panel.innerHTML = "";
	items = [];
	cursor = -1;
	input.setAttribute("aria-expanded", "false");
	}

	function render(payload) {
	var groups = payload && payload.groups ? payload.groups : [];
	var html = "";
	items = [];
	groups.forEach(function (group) {
	if (!group.items \|\| !group.items.length) {
	return;
	}
	html += '<div class="suggestions__group">';
	html += '<div class="suggestions__label">' + escapeHtml(group.label) + "</div>";
	group.items.forEach(function (item) {
	var index = items.length;
	items.push(item);
	html +=
	'<button type="button" class="suggestions__item" role="option"' +
	' aria-selected="false" data-suggest-index="' +
	index +
	'">' +
	highlight(item.label, input.value) +
	"</button>";
	});
	html += "</div>";
	});
	if (!items.length) {
	hide();
	return;
	}
	panel.innerHTML = html;
	panel.hidden = false;
	input.setAttribute("aria-expanded", "true");
	cursor = -1;
	}

	function move(delta) {
	if (!items.length) {
	return;
	}
	var buttons = panel.querySelectorAll("[data-suggest-index]");
	if (cursor >= 0 && buttons[cursor]) {
	buttons[cursor].setAttribute("aria-selected", "false");
	}
	cursor = (cursor + delta + items.length) % items.length;
	if (buttons[cursor]) {
	buttons[cursor].setAttribute("aria-selected", "true");
	buttons[cursor].scrollIntoView({ block: "nearest" });
	}
	}

	function choose(index) {
	var item = items[index];
	if (!item) {
	return;
	}
	if (item.href) {
	window.location.assign(item.href);
	return;
	}
	input.value = item.label;
	form.submit();
	}

	function request() {
	var query = input.value.trim();
	if (query.length < 2) {
	hide();
	return;
	}
	fetch("/api/suggest?q=" + encodeURIComponent(query), {
	headers: { Accept: "application/json" },
	credentials: "same-origin"
	})
	.then(function (response) {
	return response.ok ? response.json() : { groups: [] };
	})
	.then(render)
	.catch(hide);
	}

	input.addEventListener("input", function () {
	window.clearTimeout(timer);
	timer = window.setTimeout(request, 90);
	});
	input.addEventListener("keydown", function (event) {
	if (panel.hidden) {
	return;
	}
	if (event.key === "ArrowDown") {
	event.preventDefault();
	move(1);
	} else if (event.key === "ArrowUp") {
	event.preventDefault();
	move(-1);
	} else if (event.key === "Enter" && cursor >= 0) {
	event.preventDefault();
	choose(cursor);
	} else if (event.key === "Escape") {
	hide();
	}
	});
	panel.addEventListener("click", function (event) {
	var target = event.target.closest("[data-suggest-index]");
	if (target) {
	choose(Number(target.getAttribute("data-suggest-index")));
	}
	});
	document.addEventListener("click", function (event) {
	if (!form.contains(event.target) && !panel.contains(event.target)) {
	hide();
	}
	});
	}

	/* ----------------------------------------------------------------- */
	/* quantity steppers + auto-submitting selects */
	/* ----------------------------------------------------------------- */

	function setupSteppers() {
	document.querySelectorAll("[data-quantity]").forEach(function (widget) {
	var input = widget.querySelector("input[type=number]");
	if (!input) {
	return;
	}
	widget.querySelectorAll("[data-quantity-step]").forEach(function (button) {
	button.addEventListener("click", function () {
	var step = Number(button.getAttribute("data-quantity-step"));
	var min = Number(input.getAttribute("min") \|\| 1);
	var max = Number(input.getAttribute("max") \|\| 99);
	var next = Math.min(max, Math.max(min, Number(input.value \|\| min) + step));
	input.value = String(next);
	input.dispatchEvent(new Event("change", { bubbles: true }));
	});
	});
	});
	}

	function setupAutoSubmit() {
	document.querySelectorAll("[data-autosubmit]").forEach(function (control) {
	control.addEventListener("change", function () {
	var form = control.form;
	if (form) {
	form.requestSubmit ? form.requestSubmit() : form.submit();
	}
	});
	});
	}

	/* ----------------------------------------------------------------- */
	/* product gallery */
	/* ----------------------------------------------------------------- */

	function setupGallery() {
	var stage = document.querySelector("[data-gallery-stage]");
	if (!stage) {
	return;
	}
	document.querySelectorAll("[data-gallery-thumb]").forEach(function (thumb) {
	thumb.addEventListener("click", function () {
	document.querySelectorAll("[data-gallery-thumb]").forEach(function (other) {
	other.setAttribute("aria-current", "false");
	});
	thumb.setAttribute("aria-current", "true");
	stage.setAttribute("src", thumb.getAttribute("data-gallery-thumb"));
	stage.setAttribute("alt", thumb.getAttribute("data-gallery-alt") \|\| "");
	});
	});
	}

	ready(function () {
	setupDrawer();
	setupCatnav();
	setupSuggest();
	setupSteppers();
	setupAutoSubmit();
	setupGallery();
	});
	})();