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fix(app): clamp virtualizer range to scroll bounds (#34588)

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Co-authored-by: LukeParkerDev <10430890+Hona@users.noreply.github.com>
Co-authored-by: opencode-agent[bot] <opencode-agent[bot]@users.noreply.github.com>
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opencode-agent[bot] 2026-07-01 11:28:34 +10:00 • committed by GitHub
parent 439ec9b76f
commit 45a437cbb2
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1 changed files with 51 additions and 4 deletions
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55
patches/@tanstack%2Fvirtual-core@3.17.0.patch
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@ -1,5 +1,5 @@
diff --git a/dist/cjs/index.cjs b/dist/cjs/index.cjs
index df75d0cf0347b62906e04e454d4f4ef062ed5c48..58913f2d30e0beee9d09dffa5ebcaab4601a2c22 100644
index df75d0cf0347b62906e04e454d4f4ef062ed5c48..e5110715b049c6c8b992bd1375a7432df7c0182e 100644
--- a/dist/cjs/index.cjs
+++ b/dist/cjs/index.cjs
@@ -526,6 +526,7 @@ class Virtualizer {
@ -10,6 +10,20 @@ index df75d0cf0347b62906e04e454d4f4ef062ed5c48..58913f2d30e0beee9d09dffa5ebcaab4
this.getFurthestMeasurement = (measurements, index) => {
const furthestMeasurementsFound = /* @__PURE__ */ new Map();
const furthestMeasurements = /* @__PURE__ */ new Map();
@@ -715,10 +716,12 @@ class Virtualizer {
this.options.lanes
],
(measurements, outerSize, scrollOffset, lanes) => {
+ const maxScrollOffset = Math.max(this.getTotalSize() - outerSize, 0);
+ const effectiveScrollOffset = Math.min(Math.max(scrollOffset, 0), maxScrollOffset);
return this.range = measurements.length > 0 && outerSize > 0 ? calculateRange({
measurements,
outerSize,
- scrollOffset,
+ scrollOffset: effectiveScrollOffset,
lanes,
// Pass the typed array so binary search + forward-walk can
// read start/end directly from Float64Array, skipping the
diff --git a/dist/cjs/index.d.cts b/dist/cjs/index.d.cts
index c61ee17752565253f795c7fc7d57e86237ecbb52..705bb7e3a121b040fb1a3e7890179eaa3e9b219e 100644
--- a/dist/cjs/index.d.cts
@ -35,7 +49,7 @@ index b03abab604eb6578f6f56ff92c489259cfaf8f19..0495f372ea000dffc416c4f56809946f
private _iosDeferredAdjustment;
private _iosTouching;
diff --git a/dist/esm/index.js b/dist/esm/index.js
index e384cf7541978a2782b9dca68146e869b16ac3f2..53b15b7a36247ea4aa5b70b00d08b6d7dec3ea79 100644
index e384cf7541978a2782b9dca68146e869b16ac3f2..77af22006325377bf9ca0052a3554f881f9e75fe 100644
--- a/dist/esm/index.js
+++ b/dist/esm/index.js
@@ -524,6 +524,7 @@ class Virtualizer {
@ -46,13 +60,46 @@ index e384cf7541978a2782b9dca68146e869b16ac3f2..53b15b7a36247ea4aa5b70b00d08b6d7
this.getFurthestMeasurement = (measurements, index) => {
const furthestMeasurementsFound = /* @__PURE__ */ new Map();
const furthestMeasurements = /* @__PURE__ */ new Map();
@@ -713,10 +714,12 @@ class Virtualizer {
this.options.lanes
],
(measurements, outerSize, scrollOffset, lanes) => {
+ const maxScrollOffset = Math.max(this.getTotalSize() - outerSize, 0);
+ const effectiveScrollOffset = Math.min(Math.max(scrollOffset, 0), maxScrollOffset);
return this.range = measurements.length > 0 && outerSize > 0 ? calculateRange({
measurements,
outerSize,
- scrollOffset,
+ scrollOffset: effectiveScrollOffset,
lanes,
// Pass the typed array so binary search + forward-walk can
// read start/end directly from Float64Array, skipping the
diff --git a/src/index.ts b/src/index.ts
index d35b3e0695a9c85b261bc1a4fbe23c0a60d5b204..d516a9d00f1233173f9a3e2144666c8159552f91 100644
index d35b3e0695a9c85b261bc1a4fbe23c0a60d5b204..c504e630a60a3a7791345622bb02754b1308fd86 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1050,3 +1050,5 @@ export class Virtualizer<
@@ -1047,6 +1047,8 @@ export class Virtualizer<
return this.scrollOffset
}
+ getLogicalScrollOffset = () => this.getScrollOffset() + this.scrollAdjustments
+
private getFurthestMeasurement = (
measurements: Array<VirtualItem>,
index: number,
@@ -1334,12 +1336,14 @@ export class Virtualizer<
this.options.lanes,
],
(measurements, outerSize, scrollOffset, lanes) => {
+ const maxScrollOffset = Math.max(this.getTotalSize() - outerSize, 0)
+ const effectiveScrollOffset = Math.min(Math.max(scrollOffset, 0), maxScrollOffset)
return (this.range =
measurements.length > 0 && outerSize > 0
? calculateRange({
measurements,
outerSize,
- scrollOffset,
+ scrollOffset: effectiveScrollOffset,
lanes,
// Pass the typed array so binary search + forward-walk can
// read start/end directly from Float64Array, skipping the