diff --git a/src/plugins/built-in/gradeAnalytics/AnalyticsAreaChart.svelte b/src/plugins/built-in/gradeAnalytics/AnalyticsAreaChart.svelte
index 441205d2..833f35af 100644
--- a/src/plugins/built-in/gradeAnalytics/AnalyticsAreaChart.svelte
+++ b/src/plugins/built-in/gradeAnalytics/AnalyticsAreaChart.svelte
@@ -8,6 +8,7 @@
import {
buildGradeTrendChart,
getTimeRangeLabel,
+ type CustomTimeRange,
type TimeRange,
type TrendPoint,
} from "./timeRange";
@@ -17,10 +18,11 @@
interface Props {
data: Assessment[];
timeRange: TimeRange;
+ customTimeRange?: CustomTimeRange;
showSubjectTrends?: boolean;
}
- let { data, timeRange, showSubjectTrends = false }: Props = $props();
+ let { data, timeRange, customTimeRange, showSubjectTrends = false }: Props = $props();
let showPrediction = $state(false);
let predictionMonths = $state(3);
@@ -30,9 +32,12 @@
const chartResult = $derived.by(() =>
buildGradeTrendChart(data, timeRange, {
showPerSubject: showSubjectTrends,
+ custom: customTimeRange,
}),
);
+ const timeRangeText = $derived(() => getTimeRangeLabel(timeRange, customTimeRange));
+
const historicalData = $derived(chartResult.points);
const chartSeries = $derived(chartResult.series);
const accentColor = $derived(chartResult.accentColor);
@@ -205,9 +210,9 @@
{#if showSubjectTrends}
- Overall and per-subject averages · {getTimeRangeLabel(timeRange)}
+ Overall and per-subject averages · {timeRangeText()}
{:else}
- Average grades over time · {getTimeRangeLabel(timeRange)}
+ Average grades over time · {timeRangeText()}
{/if}
@@ -357,7 +362,7 @@
{/if}
- {historicalData.length} data points · {getTimeRangeLabel(timeRange)}
+ {historicalData.length} data points · {timeRangeText()}
{#if showSubjectTrends && chartSeries.length > 1}
· {chartSeries.length - 1} subject{chartSeries.length - 1 === 1 ? "" : "s"}
{/if}
diff --git a/src/plugins/built-in/gradeAnalytics/AnalyticsBarChart.svelte b/src/plugins/built-in/gradeAnalytics/AnalyticsBarChart.svelte
index 07ecb505..2bdbed52 100644
--- a/src/plugins/built-in/gradeAnalytics/AnalyticsBarChart.svelte
+++ b/src/plugins/built-in/gradeAnalytics/AnalyticsBarChart.svelte
@@ -14,7 +14,7 @@
import type { Assessment } from "./types";
- import { getTimeRangeLabel, type TimeRange } from "./timeRange";
+ import { getTimeRangeLabel, type CustomTimeRange, type TimeRange } from "./timeRange";
import {
@@ -36,11 +36,15 @@
timeRange: TimeRange;
+ customTimeRange?: CustomTimeRange;
+
}
- let { data, timeRange }: Props = $props();
+ let { data, timeRange, customTimeRange }: Props = $props();
+
+ const timeRangeText = $derived(() => getTimeRangeLabel(timeRange, customTimeRange));
@@ -152,11 +156,11 @@
if (d.modeUsed === "letter") {
- return `Assessments per letter grade · ${getTimeRangeLabel(timeRange)}`;
+ return `Assessments per letter grade · ${timeRangeText()}`;
}
- return `Assessments per grade band · ${getTimeRangeLabel(timeRange)}`;
+ return `Assessments per grade band · ${timeRangeText()}`;
});
@@ -360,7 +364,7 @@
No graded assessments
- for {getTimeRangeLabel(timeRange).toLowerCase()}
+ for {timeRangeText().toLowerCase()}
diff --git a/src/plugins/built-in/gradeAnalytics/GradeAnalyticsPage.svelte b/src/plugins/built-in/gradeAnalytics/GradeAnalyticsPage.svelte
index b15857b6..3d265080 100644
--- a/src/plugins/built-in/gradeAnalytics/GradeAnalyticsPage.svelte
+++ b/src/plugins/built-in/gradeAnalytics/GradeAnalyticsPage.svelte
@@ -12,9 +12,11 @@
import AssessmentTable from "./AssessmentTable.svelte";
import GradeRangeSlider from "./GradeRangeSlider.svelte";
import {
+ defaultCustomTimeRange,
filterAssessmentsByTimeRange,
getTimeRangeLabel,
TIME_RANGE_OPTIONS,
+ type CustomTimeRange,
type TimeRange,
} from "./timeRange";
import { openAnalyticsPrivacyPopup } from "./openAnalyticsPrivacyPopup";
@@ -32,6 +34,7 @@
let showSubjectsDropdown = $state(false);
let showTimeRangeDropdown = $state(false);
let timeRange: TimeRange = $state("all");
+ let customTimeRange: CustomTimeRange = $state(defaultCustomTimeRange());
let showSubjectTrends = $state(false);
let timestampInterval: ReturnType | null = null;
@@ -68,7 +71,7 @@
});
const timeScopedData = $derived(() =>
- filterAssessmentsByTimeRange(filteredData(), timeRange),
+ filterAssessmentsByTimeRange(filteredData(), timeRange, customTimeRange),
);
const gradedFiltered = $derived(() =>
@@ -138,7 +141,7 @@
}
}
- const timeRangeLabel = $derived(() => getTimeRangeLabel(timeRange));
+ const timeRangeLabel = $derived(() => getTimeRangeLabel(timeRange, customTimeRange));
function closeToolbarDropdowns() {
showSubjectsDropdown = false;
@@ -155,6 +158,7 @@
function selectTimeRange(value: TimeRange) {
timeRange = value;
+ if (value === "custom") customTimeRange = defaultCustomTimeRange();
showTimeRangeDropdown = false;
}
@@ -199,8 +203,14 @@
/>
-
{:else}
-
-
No analytics data yet
-
- Data syncs when you visit this page. Assessments with released marks will
- appear here with trends and grade breakdowns.
-
-
runSync()}
- >
- Sync now
-
+
+
+ {@render sidebarTitle()}
+ {@render sidebarActions()}
+
+
+
+
No analytics data yet
+
+ Data syncs when you visit this page. Assessments with released marks will
+ appear here with trends and grade breakdowns.
+
+
+
{/if}
diff --git a/src/plugins/built-in/gradeAnalytics/styles.css b/src/plugins/built-in/gradeAnalytics/styles.css
index c065e53f..9a61f34f 100644
--- a/src/plugins/built-in/gradeAnalytics/styles.css
+++ b/src/plugins/built-in/gradeAnalytics/styles.css
@@ -130,21 +130,24 @@
animation-delay: 400ms;
}
-/* ─── Header ─── */
-.bsplus-analytics-header {
- display: flex;
- flex-wrap: wrap;
- justify-content: space-between;
- align-items: flex-start;
- gap: 0.75rem;
+/* ─── Sidebar page title ─── */
+.bsplus-analytics-sidebar-head {
+ margin: 0 0 0.35rem;
}
-.bsplus-analytics-header-actions {
- display: flex;
- flex-direction: row;
- align-items: center;
- gap: 0.5rem;
- flex-shrink: 0;
+.bsplus-analytics-sidebar-head h1 {
+ margin: 0;
+ font-size: 1.5rem;
+ font-weight: 700;
+ letter-spacing: -0.02em;
+ line-height: 1.2;
+ color: var(--bsplus-analytics-text);
+}
+
+.bsplus-analytics-sidebar-head .bsplus-analytics-badge {
+ display: block;
+ width: fit-content;
+ margin: 0.35rem 0 0;
}
.bsplus-analytics-btn-privacy {
@@ -164,26 +167,11 @@
box-shadow: var(--bsplus-theme-btn-privacy-hover-shadow, none);
}
-.bsplus-analytics-header-text h1 {
- margin: 0 0 0.2rem;
- font-size: 1.875rem;
- font-weight: 700;
- letter-spacing: -0.02em;
- line-height: 1.2;
- color: var(--bsplus-analytics-text);
-}
-
-.bsplus-analytics-header-text p {
- margin: 0;
- color: var(--bsplus-analytics-muted);
- font-size: 0.9375rem;
- line-height: 1.5;
-}
-
.bsplus-analytics-meta {
- margin-top: 0.15rem;
+ margin: 0;
font-size: 0.75rem;
color: var(--bsplus-analytics-muted);
+ line-height: 1.4;
}
.bsplus-analytics-badge {
@@ -371,6 +359,23 @@
position: relative;
}
+.bsplus-analytics-sidebar-actions {
+ display: flex;
+ flex-direction: column;
+ gap: 0.5rem;
+ margin-top: 0.5rem;
+ padding-top: 0.75rem;
+ border-top: 1px solid var(--bsplus-analytics-border);
+}
+
+.bsplus-analytics-sidebar-actions .bsplus-analytics-btn {
+ width: 100%;
+}
+
+.bsplus-analytics-sidebar-actions .bsplus-analytics-meta {
+ padding-bottom: 0.15rem;
+}
+
.bsplus-analytics-filter-group .bsplus-analytics-field-label {
font-size: 0.75rem;
font-weight: 600;
diff --git a/src/plugins/built-in/gradeAnalytics/timeRange.test.ts b/src/plugins/built-in/gradeAnalytics/timeRange.test.ts
new file mode 100644
index 00000000..65a82318
--- /dev/null
+++ b/src/plugins/built-in/gradeAnalytics/timeRange.test.ts
@@ -0,0 +1,47 @@
+import {
+ defaultCustomTimeRange,
+ filterAssessmentsByTimeRange,
+ getTimeRangeBounds,
+ getTimeRangeLabel,
+} from "./timeRange";
+import type { Assessment } from "./types";
+
+const assessment = (due: string): Assessment =>
+ ({
+ due,
+ finalGrade: 80,
+ subject: "Math",
+ }) as Assessment;
+
+describe("timeRange", () => {
+ const ref = new Date("2026-08-20T12:00:00");
+
+ it("uses calendar year start for this year", () => {
+ const { start, end } = getTimeRangeBounds("ytd", undefined, ref);
+ expect(start?.getFullYear()).toBe(2026);
+ expect(start?.getMonth()).toBe(0);
+ expect(start?.getDate()).toBe(1);
+ expect(end).toBeNull();
+ });
+
+ it("filters custom ranges inclusively", () => {
+ const custom = { from: "2026-03-01", to: "2026-03-31" };
+ const items = [
+ assessment("2026-02-28"),
+ assessment("2026-03-01"),
+ assessment("2026-03-31T23:59:00"),
+ assessment("2026-04-01"),
+ ];
+ const filtered = filterAssessmentsByTimeRange(items, "custom", custom);
+ expect(filtered.map((a) => a.due)).toEqual([
+ "2026-03-01",
+ "2026-03-31T23:59:00",
+ ]);
+ });
+
+ it("labels custom ranges", () => {
+ expect(
+ getTimeRangeLabel("custom", defaultCustomTimeRange(ref)),
+ ).toMatch(/2026/);
+ });
+});
diff --git a/src/plugins/built-in/gradeAnalytics/timeRange.ts b/src/plugins/built-in/gradeAnalytics/timeRange.ts
index aebd75e5..a5e34b2e 100644
--- a/src/plugins/built-in/gradeAnalytics/timeRange.ts
+++ b/src/plugins/built-in/gradeAnalytics/timeRange.ts
@@ -1,39 +1,117 @@
import type { Assessment } from "./types";
-export type TimeRange = "all" | "365d" | "90d" | "30d" | "7d";
+export type TimeRange = "all" | "ytd" | "365d" | "90d" | "30d" | "7d" | "custom";
+
+export type CustomTimeRange = { from: string; to: string };
export const TIME_RANGE_OPTIONS: { value: TimeRange; label: string }[] = [
{ value: "all", label: "All time" },
+ { value: "ytd", label: "This year" },
{ value: "365d", label: "Last 12 months" },
{ value: "90d", label: "Last 3 months" },
{ value: "30d", label: "Last 30 days" },
{ value: "7d", label: "Last 7 days" },
+ { value: "custom", label: "Custom range" },
];
-export function getTimeRangeLabel(timeRange: TimeRange): string {
+export function defaultCustomTimeRange(referenceDate = new Date()): CustomTimeRange {
+ return {
+ from: `${referenceDate.getFullYear()}-01-01`,
+ to: referenceDate.toISOString().slice(0, 10),
+ };
+}
+
+function parseDateOnly(iso: string): Date {
+ const date = new Date(`${iso}T00:00:00`);
+ date.setHours(0, 0, 0, 0);
+ return date;
+}
+
+export function getTimeRangeBounds(
+ timeRange: TimeRange,
+ custom?: CustomTimeRange,
+ referenceDate = new Date(),
+): { start: Date | null; end: Date | null } {
+ if (timeRange === "all") return { start: null, end: null };
+
+ if (timeRange === "ytd") {
+ const start = new Date(referenceDate.getFullYear(), 0, 1);
+ start.setHours(0, 0, 0, 0);
+ return { start, end: null };
+ }
+
+ if (timeRange === "custom") {
+ if (!custom?.from || !custom?.to) return { start: null, end: null };
+ let start = parseDateOnly(custom.from);
+ let end = parseDateOnly(custom.to);
+ end.setHours(23, 59, 59, 999);
+ if (start > end) [start, end] = [end, start];
+ return { start, end };
+ }
+
+ let days = 90;
+ if (timeRange === "30d") days = 30;
+ else if (timeRange === "7d") days = 7;
+ else if (timeRange === "365d") days = 365;
+
+ const start = new Date(referenceDate);
+ start.setDate(start.getDate() - days);
+ start.setHours(0, 0, 0, 0);
+ return { start, end: null };
+}
+
+export function getTimeRangeCutoff(
+ timeRange: TimeRange,
+ custom?: CustomTimeRange,
+): Date | null {
+ return getTimeRangeBounds(timeRange, custom).start;
+}
+
+export function getTimeRangeLabel(
+ timeRange: TimeRange,
+ custom?: CustomTimeRange,
+): string {
+ if (timeRange === "custom" && custom?.from && custom?.to) {
+ const fmt = (iso: string) =>
+ parseDateOnly(iso).toLocaleDateString(undefined, {
+ month: "short",
+ day: "numeric",
+ year: "numeric",
+ });
+ return `${fmt(custom.from)} – ${fmt(custom.to)}`;
+ }
return TIME_RANGE_OPTIONS.find((o) => o.value === timeRange)?.label ?? "All time";
}
-export function getTimeRangeCutoff(timeRange: TimeRange): Date | null {
- if (timeRange === "all") return null;
- const referenceDate = new Date();
- let daysToSubtract = 90;
- if (timeRange === "30d") daysToSubtract = 30;
- else if (timeRange === "7d") daysToSubtract = 7;
- else if (timeRange === "365d") daysToSubtract = 365;
- const cutoff = new Date(referenceDate);
- cutoff.setDate(cutoff.getDate() - daysToSubtract);
- cutoff.setHours(0, 0, 0, 0);
- return cutoff;
+function assessmentInRange(
+ due: string,
+ bounds: { start: Date | null; end: Date | null },
+): boolean {
+ const date = new Date(due);
+ if (bounds.start && date < bounds.start) return false;
+ if (bounds.end && date > bounds.end) return false;
+ return true;
}
export function filterAssessmentsByTimeRange(
assessments: Assessment[],
timeRange: TimeRange,
+ custom?: CustomTimeRange,
): Assessment[] {
- const cutoff = getTimeRangeCutoff(timeRange);
- if (!cutoff) return assessments;
- return assessments.filter((a) => new Date(a.due) >= cutoff);
+ const bounds = getTimeRangeBounds(timeRange, custom);
+ if (!bounds.start && !bounds.end) return assessments;
+ return assessments.filter((a) => assessmentInRange(a.due, bounds));
+}
+
+function usesMonthlyGrouping(
+ timeRange: TimeRange,
+ custom?: CustomTimeRange,
+): boolean {
+ if (timeRange === "365d" || timeRange === "all" || timeRange === "ytd") return true;
+ if (timeRange !== "custom" || !custom?.from || !custom?.to) return false;
+ const { start, end } = getTimeRangeBounds(timeRange, custom);
+ if (!start || !end) return true;
+ return end.getTime() - start.getTime() > 90 * 86_400_000;
}
export type TrendPoint = {
@@ -115,7 +193,7 @@ function slugSubjectKey(name: string, keyBySubject: Map): string
export function buildGradeTrendChart(
data: Assessment[],
timeRange: TimeRange,
- options: { showPerSubject?: boolean } = {},
+ options: { showPerSubject?: boolean; custom?: CustomTimeRange } = {},
): { points: TrendPoint[]; series: TrendSeries[]; accentColor: string } {
const accentColor =
"var(--bsplus-analytics-accent, var(--better-main, #007bff))";
@@ -127,8 +205,8 @@ export function buildGradeTrendChart(
return { points: [], series: [], accentColor };
}
- const useMonthlyGrouping = timeRange === "365d" || timeRange === "all";
- const cutoff = getTimeRangeCutoff(timeRange);
+ const bounds = getTimeRangeBounds(timeRange, options.custom);
+ const useMonthlyGrouping = usesMonthlyGrouping(timeRange, options.custom);
const overallBuckets = new Map();
const subjectBuckets = new Map>();
@@ -136,10 +214,13 @@ export function buildGradeTrendChart(
const keyBySubject = new Map();
for (const assessment of graded) {
+ if (!assessmentInRange(assessment.due, bounds)) continue;
+
const grade = assessment.finalGrade!;
const periodKey = periodKeyForAssessment(assessment, useMonthlyGrouping);
const periodDateValue = periodDate(periodKey, useMonthlyGrouping);
- if (cutoff && periodDateValue < cutoff) continue;
+ if (bounds.start && periodDateValue < bounds.start) continue;
+ if (bounds.end && periodDateValue > bounds.end) continue;
if (!overallBuckets.has(periodKey)) overallBuckets.set(periodKey, []);
overallBuckets.get(periodKey)!.push(grade);