.

static/debug_toolbar/js/history.js

@@ -0,0 +1,40 @@
+import { $$, ajaxForm } from "./utils.js";
+
+const djDebug = document.getElementById("djDebug");
+
+$$.on(djDebug, "click", ".switchHistory", function (event) {
+    event.preventDefault();
+    const newStoreId = this.dataset.storeId;
+    const tbody = this.closest("tbody");
+
+    tbody
+        .querySelector(".djdt-highlighted")
+        .classList.remove("djdt-highlighted");
+    this.closest("tr").classList.add("djdt-highlighted");
+
+    ajaxForm(this).then(function (data) {
+        djDebug.setAttribute("data-store-id", newStoreId);
+        Object.keys(data).forEach(function (panelId) {
+            const panel = document.getElementById(panelId);
+            if (panel) {
+                panel.outerHTML = data[panelId].content;
+                document.getElementById("djdt-" + panelId).outerHTML =
+                    data[panelId].button;
+            }
+        });
+    });
+});
+
+$$.on(djDebug, "click", ".refreshHistory", function (event) {
+    event.preventDefault();
+    const container = document.getElementById("djdtHistoryRequests");
+    ajaxForm(this).then(function (data) {
+        data.requests.forEach(function (request) {
+            if (
+                !container.querySelector('[data-store-id="' + request.id + '"]')
+            ) {
+                container.innerHTML = request.content + container.innerHTML;
+            }
+        });
+    });
+});

static/debug_toolbar/js/redirect.js

@@ -0,0 +1 @@
+document.getElementById("redirect_to").focus();

static/debug_toolbar/js/timer.js

@@ -0,0 +1,59 @@
+const timingOffset = performance.timing.navigationStart,
+    timingEnd = performance.timing.loadEventEnd,
+    totalTime = timingEnd - timingOffset;
+function getLeft(stat) {
+    return ((performance.timing[stat] - timingOffset) / totalTime) * 100.0;
+}
+function getCSSWidth(stat, endStat) {
+    let width =
+        ((performance.timing[endStat] - performance.timing[stat]) / totalTime) *
+        100.0;
+    // Calculate relative percent (same as sql panel logic)
+    width = (100.0 * width) / (100.0 - getLeft(stat));
+    return width < 1 ? "2px" : width + "%";
+}
+function addRow(tbody, stat, endStat) {
+    const row = document.createElement("tr");
+    if (endStat) {
+        // Render a start through end bar
+        row.innerHTML =
+            "<td>" +
+            stat.replace("Start", "") +
+            "</td>" +
+            '<td><svg class="djDebugLineChart" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 100 5" preserveAspectRatio="none"><rect y="0" height="5" fill="#ccc" /></svg></td>' +
+            "<td>" +
+            (performance.timing[stat] - timingOffset) +
+            " (+" +
+            (performance.timing[endStat] - performance.timing[stat]) +
+            ")</td>";
+        row.querySelector("rect").setAttribute(
+            "width",
+            getCSSWidth(stat, endStat)
+        );
+    } else {
+        // Render a point in time
+        row.innerHTML =
+            "<td>" +
+            stat +
+            "</td>" +
+            '<td><svg class="djDebugLineChart" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 100 5" preserveAspectRatio="none"><rect y="0" height="5" fill="#ccc" /></svg></td>' +
+            "<td>" +
+            (performance.timing[stat] - timingOffset) +
+            "</td>";
+        row.querySelector("rect").setAttribute("width", 2);
+    }
+    row.querySelector("rect").setAttribute("x", getLeft(stat));
+    tbody.appendChild(row);
+}
+
+const tbody = document.getElementById("djDebugBrowserTimingTableBody");
+// This is a reasonably complete and ordered set of timing periods (2 params) and events (1 param)
+addRow(tbody, "domainLookupStart", "domainLookupEnd");
+addRow(tbody, "connectStart", "connectEnd");
+addRow(tbody, "requestStart", "responseEnd"); // There is no requestEnd
+addRow(tbody, "responseStart", "responseEnd");
+addRow(tbody, "domLoading", "domComplete"); // Spans the events below
+addRow(tbody, "domInteractive");
+addRow(tbody, "domContentLoadedEventStart", "domContentLoadedEventEnd");
+addRow(tbody, "loadEventStart", "loadEventEnd");
+document.getElementById("djDebugBrowserTiming").classList.remove("djdt-hidden");

static/debug_toolbar/js/toolbar.js

@@ -0,0 +1,295 @@
+import { $$, ajax } from "./utils.js";
+
+function onKeyDown(event) {
+    if (event.keyCode === 27) {
+        djdt.hide_one_level();
+    }
+}
+
+const djdt = {
+    handleDragged: false,
+    init() {
+        const djDebug = document.getElementById("djDebug");
+        $$.show(djDebug);
+        $$.on(
+            document.getElementById("djDebugPanelList"),
+            "click",
+            "li a",
+            function (event) {
+                event.preventDefault();
+                if (!this.className) {
+                    return;
+                }
+                const current = document.getElementById(this.className);
+                if ($$.visible(current)) {
+                    djdt.hide_panels();
+                } else {
+                    djdt.hide_panels();
+
+                    $$.show(current);
+                    this.parentElement.classList.add("djdt-active");
+
+                    const inner = current.querySelector(
+                            ".djDebugPanelContent .djdt-scroll"
+                        ),
+                        store_id = djDebug.dataset.storeId;
+                    if (store_id && inner.children.length === 0) {
+                        const url = new URL(
+                            djDebug.dataset.renderPanelUrl,
+                            window.location
+                        );
+                        url.searchParams.append("store_id", store_id);
+                        url.searchParams.append("panel_id", this.className);
+                        ajax(url).then(function (data) {
+                            inner.previousElementSibling.remove(); // Remove AJAX loader
+                            inner.innerHTML = data.content;
+                            $$.executeScripts(data.scripts);
+                            $$.applyStyles(inner);
+                        });
+                    }
+                }
+            }
+        );
+        $$.on(djDebug, "click", ".djDebugClose", function () {
+            djdt.hide_one_level();
+        });
+        $$.on(
+            djDebug,
+            "click",
+            ".djDebugPanelButton input[type=checkbox]",
+            function () {
+                djdt.cookie.set(
+                    this.dataset.cookie,
+                    this.checked ? "on" : "off",
+                    {
+                        path: "/",
+                        expires: 10,
+                    }
+                );
+            }
+        );
+
+        // Used by the SQL and template panels
+        $$.on(djDebug, "click", ".remoteCall", function (event) {
+            event.preventDefault();
+
+            let url;
+            const ajax_data = {};
+
+            if (this.tagName === "BUTTON") {
+                const form = this.closest("form");
+                url = this.formAction;
+                ajax_data.method = form.method.toUpperCase();
+                ajax_data.body = new FormData(form);
+            } else if (this.tagName === "A") {
+                url = this.href;
+            }
+
+            ajax(url, ajax_data).then(function (data) {
+                const win = document.getElementById("djDebugWindow");
+                win.innerHTML = data.content;
+                $$.show(win);
+            });
+        });
+
+        // Used by the cache, profiling and SQL panels
+        $$.on(djDebug, "click", ".djToggleSwitch", function () {
+            const id = this.dataset.toggleId;
+            const toggleOpen = "+";
+            const toggleClose = "-";
+            const open_me = this.textContent === toggleOpen;
+            const name = this.dataset.toggleName;
+            const container = document.getElementById(name + "_" + id);
+            container
+                .querySelectorAll(".djDebugCollapsed")
+                .forEach(function (e) {
+                    $$.toggle(e, open_me);
+                });
+            container
+                .querySelectorAll(".djDebugUncollapsed")
+                .forEach(function (e) {
+                    $$.toggle(e, !open_me);
+                });
+            const self = this;
+            this.closest(".djDebugPanelContent")
+                .querySelectorAll(".djToggleDetails_" + id)
+                .forEach(function (e) {
+                    if (open_me) {
+                        e.classList.add("djSelected");
+                        e.classList.remove("djUnselected");
+                        self.textContent = toggleClose;
+                    } else {
+                        e.classList.remove("djSelected");
+                        e.classList.add("djUnselected");
+                        self.textContent = toggleOpen;
+                    }
+                    const switch_ = e.querySelector(".djToggleSwitch");
+                    if (switch_) {
+                        switch_.textContent = self.textContent;
+                    }
+                });
+        });
+
+        document
+            .getElementById("djHideToolBarButton")
+            .addEventListener("click", function (event) {
+                event.preventDefault();
+                djdt.hide_toolbar();
+            });
+        document
+            .getElementById("djShowToolBarButton")
+            .addEventListener("click", function () {
+                if (!djdt.handleDragged) {
+                    djdt.show_toolbar();
+                }
+            });
+        let startPageY, baseY;
+        const handle = document.getElementById("djDebugToolbarHandle");
+        function onHandleMove(event) {
+            // Chrome can send spurious mousemove events, so don't do anything unless the
+            // cursor really moved.  Otherwise, it will be impossible to expand the toolbar
+            // due to djdt.handleDragged being set to true.
+            if (djdt.handleDragged || event.pageY !== startPageY) {
+                let top = baseY + event.pageY;
+
+                if (top < 0) {
+                    top = 0;
+                } else if (top + handle.offsetHeight > window.innerHeight) {
+                    top = window.innerHeight - handle.offsetHeight;
+                }
+
+                handle.style.top = top + "px";
+                djdt.handleDragged = true;
+            }
+        }
+        document
+            .getElementById("djShowToolBarButton")
+            .addEventListener("mousedown", function (event) {
+                event.preventDefault();
+                startPageY = event.pageY;
+                baseY = handle.offsetTop - startPageY;
+                document.addEventListener("mousemove", onHandleMove);
+            });
+        document.addEventListener("mouseup", function (event) {
+            document.removeEventListener("mousemove", onHandleMove);
+            if (djdt.handleDragged) {
+                event.preventDefault();
+                localStorage.setItem("djdt.top", handle.offsetTop);
+                requestAnimationFrame(function () {
+                    djdt.handleDragged = false;
+                });
+            }
+        });
+        const show =
+            localStorage.getItem("djdt.show") || djDebug.dataset.defaultShow;
+        if (show === "true") {
+            djdt.show_toolbar();
+        } else {
+            djdt.hide_toolbar();
+        }
+    },
+    hide_panels() {
+        const djDebug = document.getElementById("djDebug");
+        $$.hide(document.getElementById("djDebugWindow"));
+        djDebug.querySelectorAll(".djdt-panelContent").forEach(function (e) {
+            $$.hide(e);
+        });
+        document.querySelectorAll("#djDebugToolbar li").forEach(function (e) {
+            e.classList.remove("djdt-active");
+        });
+    },
+    hide_toolbar() {
+        djdt.hide_panels();
+
+        $$.hide(document.getElementById("djDebugToolbar"));
+
+        const handle = document.getElementById("djDebugToolbarHandle");
+        $$.show(handle);
+        // set handle position
+        let handleTop = localStorage.getItem("djdt.top");
+        if (handleTop) {
+            handleTop = Math.min(
+                handleTop,
+                window.innerHeight - handle.offsetHeight
+            );
+            handle.style.top = handleTop + "px";
+        }
+
+        document.removeEventListener("keydown", onKeyDown);
+
+        localStorage.setItem("djdt.show", "false");
+    },
+    hide_one_level() {
+        const win = document.getElementById("djDebugWindow");
+        if ($$.visible(win)) {
+            $$.hide(win);
+        } else {
+            const toolbar = document.getElementById("djDebugToolbar");
+            if (toolbar.querySelector("li.djdt-active")) {
+                djdt.hide_panels();
+            } else {
+                djdt.hide_toolbar();
+            }
+        }
+    },
+    show_toolbar() {
+        document.addEventListener("keydown", onKeyDown);
+        $$.hide(document.getElementById("djDebugToolbarHandle"));
+        $$.show(document.getElementById("djDebugToolbar"));
+        localStorage.setItem("djdt.show", "true");
+    },
+    cookie: {
+        get(key) {
+            if (!document.cookie.includes(key)) {
+                return null;
+            }
+
+            const cookieArray = document.cookie.split("; "),
+                cookies = {};
+
+            cookieArray.forEach(function (e) {
+                const parts = e.split("=");
+                cookies[parts[0]] = parts[1];
+            });
+
+            return cookies[key];
+        },
+        set(key, value, options) {
+            options = options || {};
+
+            if (typeof options.expires === "number") {
+                const days = options.expires,
+                    t = (options.expires = new Date());
+                t.setDate(t.getDate() + days);
+            }
+
+            document.cookie = [
+                encodeURIComponent(key) + "=" + String(value),
+                options.expires
+                    ? "; expires=" + options.expires.toUTCString()
+                    : "",
+                options.path ? "; path=" + options.path : "",
+                options.domain ? "; domain=" + options.domain : "",
+                options.secure ? "; secure" : "",
+                "sameSite" in options
+                    ? "; sameSite=" + options.samesite
+                    : "; sameSite=Lax",
+            ].join("");
+
+            return value;
+        },
+    },
+};
+window.djdt = {
+    show_toolbar: djdt.show_toolbar,
+    hide_toolbar: djdt.hide_toolbar,
+    init: djdt.init,
+    close: djdt.hide_one_level,
+    cookie: djdt.cookie,
+};
+
+if (document.readyState !== "loading") {
+    djdt.init();
+} else {
+    document.addEventListener("DOMContentLoaded", djdt.init);
+}

static/debug_toolbar/js/toolbar.timer.js

@@ -0,0 +1,41 @@
+const timingOffset = performance.timing.navigationStart,
+      timingEnd = performance.timing.loadEventEnd,
+      totalTime = timingEnd - timingOffset;
+function getLeft(stat) {
+    return ((performance.timing[stat] - timingOffset) / (totalTime)) * 100.0;
+}
+function getCSSWidth(stat, endStat) {
+    let width = ((performance.timing[endStat] - performance.timing[stat]) / (totalTime)) * 100.0;
+    // Calculate relative percent (same as sql panel logic)
+    width = 100.0 * width / (100.0 - getLeft(stat));
+    return (width < 1) ? "2px" : width + "%";
+}
+function addRow(stat, endStat) {
+    const row = document.createElement('tr');
+    if (endStat) {
+        // Render a start through end bar
+        row.innerHTML = '<td>' + stat.replace('Start', '') + '</td>' +
+            '<td class="djdt-timeline"><svg class="djDebugLineChart" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 100 5" preserveAspectRatio="none"><rect y="0" height="5" fill="#ccc" /></svg></td>' +
+            '<td>' + (performance.timing[stat] - timingOffset) + ' (+' + (performance.timing[endStat] - performance.timing[stat]) + ')</td>';
+        row.querySelector('rect').setAttribute('width', getCSSWidth(stat, endStat));
+    } else {
+        // Render a point in time
+        row.innerHTML = '<td>' + stat + '</td>' +
+            '<td class="djdt-timeline"><svg class="djDebugLineChart" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 100 5" preserveAspectRatio="none"><rect y="0" height="5" fill="#ccc" /></svg></td>' +
+            '<td>' + (performance.timing[stat] - timingOffset) + '</td>';
+        row.querySelector('rect').setAttribute('width', 2);
+    }
+    row.querySelector('rect').setAttribute('x', getLeft(stat));
+    document.querySelector('#djDebugBrowserTimingTableBody').appendChild(row);
+}
+
+// This is a reasonably complete and ordered set of timing periods (2 params) and events (1 param)
+addRow('domainLookupStart', 'domainLookupEnd');
+addRow('connectStart', 'connectEnd');
+addRow('requestStart', 'responseEnd'); // There is no requestEnd
+addRow('responseStart', 'responseEnd');
+addRow('domLoading', 'domComplete'); // Spans the events below
+addRow('domInteractive');
+addRow('domContentLoadedEventStart', 'domContentLoadedEventEnd');
+addRow('loadEventStart', 'loadEventEnd');
+document.querySelector('#djDebugBrowserTiming').classList.remove('djdt-hidden');

static/debug_toolbar/js/utils.js

@@ -0,0 +1,92 @@
+const $$ = {
+    on(root, eventName, selector, fn) {
+        root.addEventListener(eventName, function (event) {
+            const target = event.target.closest(selector);
+            if (root.contains(target)) {
+                fn.call(target, event);
+            }
+        });
+    },
+    show(element) {
+        element.classList.remove("djdt-hidden");
+    },
+    hide(element) {
+        element.classList.add("djdt-hidden");
+    },
+    toggle(element, value) {
+        if (value) {
+            $$.show(element);
+        } else {
+            $$.hide(element);
+        }
+    },
+    visible(element) {
+        return !element.classList.contains("djdt-hidden");
+    },
+    executeScripts(scripts) {
+        scripts.forEach(function (script) {
+            const el = document.createElement("script");
+            el.type = "module";
+            el.src = script;
+            el.async = true;
+            document.head.appendChild(el);
+        });
+    },
+    applyStyles(container) {
+        /*
+         * Given a container element, apply styles set via data-djdt-styles attribute.
+         * The format is data-djdt-styles="styleName1:value;styleName2:value2"
+         * The style names should use the CSSStyleDeclaration camel cased names.
+         */
+        container
+            .querySelectorAll("[data-djdt-styles]")
+            .forEach(function (element) {
+                const styles = element.dataset.djdtStyles || "";
+                styles.split(";").forEach(function (styleText) {
+                    const styleKeyPair = styleText.split(":");
+                    if (styleKeyPair.length === 2) {
+                        const name = styleKeyPair[0].trim();
+                        const value = styleKeyPair[1].trim();
+                        element.style[name] = value;
+                    }
+                });
+            });
+    },
+};
+
+function ajax(url, init) {
+    init = Object.assign({ credentials: "same-origin" }, init);
+    return fetch(url, init)
+        .then(function (response) {
+            if (response.ok) {
+                return response.json();
+            }
+            return Promise.reject(
+                new Error(response.status + ": " + response.statusText)
+            );
+        })
+        .catch(function (error) {
+            const win = document.getElementById("djDebugWindow");
+            win.innerHTML =
+                '<div class="djDebugPanelTitle"><button type="button" class="djDebugClose">»</button><h3>' +
+                error.message +
+                "</h3></div>";
+            $$.show(win);
+            throw error;
+        });
+}
+
+function ajaxForm(element) {
+    const form = element.closest("form");
+    const url = new URL(form.action);
+    const formData = new FormData(form);
+    for (const [name, value] of formData.entries()) {
+        url.searchParams.append(name, value);
+    }
+    const ajaxData = {
+        method: form.method.toUpperCase(),
+    };
+    return ajax(url, ajaxData);
+}
+
+export { $$, ajax, ajaxForm };