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Merged
merged 6 commits into from
Dec 1, 2025
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z-index fixes for dropdowns in connect-react #19326

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4baf25e
z-index fixes for dropdowns
dannyroosevelt Nov 29, 2025
3e639fa
linting fixes
dannyroosevelt Nov 29, 2025
946f0f7
PR feedback
dannyroosevelt Nov 29, 2025
624684b
version and changelog
dannyroosevelt Nov 29, 2025
1484198
Update ControlSelect.tsx
dannyroosevelt Nov 29, 2025
de6eed5
Update ControlSelect.tsx
dannyroosevelt Nov 29, 2025
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4 changes: 2 additions & 2 deletions packages/connect-react/package.json
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Expand Up @@ -44,7 +44,7 @@
"vite-plugin-dts": "^4.3.0"
},
"peerDependencies": {
"react": "^16.8.0 || ^17.0.0 || ^18.0.0",
"react-dom": "^16.8.0 || ^17.0.0 || ^18.0.0"
"react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",
"react-dom": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
}
}
4 changes: 4 additions & 0 deletions packages/connect-react/src/components/ControlApp.tsx
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Expand Up @@ -154,13 +154,17 @@
value={selectValue}
options={selectOptions}
{...selectProps}
// These must come AFTER selectProps spread to avoid being overridden
classNamePrefix="react-select"
required={true}
placeholder={`Select ${app.name} account...`}
isLoading={isLoadingAccounts}
isClearable={true}
isSearchable={true}
getOptionLabel={(a) => a.name ?? ""}
getOptionValue={(a) => a.id}
menuPortalTarget={typeof document !== "undefined" ? document.body : null}

Check failure on line 166 in packages/connect-react/src/components/ControlApp.tsx

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Expected newline between consequent and alternate of ternary expression

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Expected newline between test and consequent of ternary expression
menuPosition="fixed"
onChange={(a) => {
if (a) {
if (a.id === "_new") {
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6 changes: 5 additions & 1 deletion packages/connect-react/src/components/ControlSelect.tsx
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Expand Up @@ -256,8 +256,12 @@
onChange={handleChange}
{...props}
{...selectProps}
components={finalComponents}
{...additionalProps}
// These must come AFTER spreads to avoid being overridden
classNamePrefix="react-select"
menuPortalTarget={typeof document !== "undefined" ? document.body : null}

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menuPosition="fixed"
components={finalComponents}
/>
);
}
3 changes: 3 additions & 0 deletions packages/connect-react/src/components/SelectApp.tsx
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Expand Up @@ -172,6 +172,9 @@
}}
onMenuScrollToBottom={handleMenuScrollToBottom}
isLoading={isLoading}
menuPortalTarget={typeof document !== "undefined" ? document.body : null}

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Expected newline between test and consequent of ternary expression
menuPosition="fixed"
styles={{ menuPortal: (base) => ({ ...base, zIndex: 99999 }) }}

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⚠️ Potential issue | 🟡 Minor

🧩 Analysis chain

🏁 Script executed:

#!/bin/bash
# Search for z-index values in TypeScript/TSX files
rg -n "zIndex\s*[:=]\s*\d+" --type=ts --type=tsx -C2

Repository: PipedreamHQ/pipedream

Length of output: 92

🏁 Script executed:

#!/bin/bash
# Search for z-index values in JavaScript/TypeScript files
rg -n "zIndex\s*[:=]\s*\d+" --type=js --type=ts -C2

Repository: PipedreamHQ/pipedream

Length of output: 1035

🏁 Script executed:

#!/bin/bash
# Search for modal, dialog, toast, popover implementations
rg -n "(modal|dialog|toast|popover|overlay|dropdown)" -i --type=js --type=ts | grep -i "class\|component\|export" | head -30

Repository: PipedreamHQ/pipedream

Length of output: 47

🏁 Script executed:

#!/bin/bash
# Search for comments around z-index or menuPortal
rg -n "menuPortal|99999" --type=js --type=ts -B3 -A3

Repository: PipedreamHQ/pipedream

Length of output: 3116

🏁 Script executed:

#!/bin/bash
# Look at ControlSelect.tsx styles prop to see if it has zIndex
rg -n "styles\s*=" packages/connect-react/src/components/ControlSelect.tsx -A10 | head -30

Repository: PipedreamHQ/pipedream

Length of output: 47

🏁 Script executed:

#!/bin/bash
# Get line count and view the Select component section in ControlSelect.tsx
wc -l packages/connect-react/src/components/ControlSelect.tsx
# View the relevant section around the Select component
sed -n '255,270p' packages/connect-react/src/components/ControlSelect.tsx

Repository: PipedreamHQ/pipedream

Length of output: 551

🏁 Script executed:

#!/bin/bash
# Search for any comments, issues, or TODOs related to z-index or dropdown visibility
rg -n "TODO|FIXME|BUG|issue|dropdown|visibility|z-index" -i --type=js --type=ts | grep -i "dropdown\|z-index\|visibility" | head -20

Repository: PipedreamHQ/pipedream

Length of output: 514

🏁 Script executed:

#!/bin/bash
# View context around the z-index: 2147483647 in SDK
sed -n '325,345p' packages/sdk/src/browser/index.ts

Repository: PipedreamHQ/pipedream

Length of output: 691

🏁 Script executed:

#!/bin/bash
# Search for imports/usage of SelectApp and ControlSelect
rg -n "SelectApp|ControlSelect" --type=js --type=ts | grep -E "import|from" | head -20

Repository: PipedreamHQ/pipedream

Length of output: 699

🏁 Script executed:

#!/bin/bash
# Search for any package.json or documentation about react-select
fd -n "package.json" | head -5 | xargs grep -l "react-select" 2>/dev/null

Repository: PipedreamHQ/pipedream

Length of output: 297

🏁 Script executed:

#!/bin/bash
# Find package.json files and check react-select version
find . -name "package.json" -type f | xargs grep -l "react-select" 2>/dev/null

Repository: PipedreamHQ/pipedream

Length of output: 104

🏁 Script executed:

#!/bin/bash
# View the react-select dependency
cat packages/connect-react/package.json | grep -A2 -B2 "react-select"

Repository: PipedreamHQ/pipedream

Length of output: 185

🌐 Web query:

react-select 5.x default z-index menuPortal best practices

💡 Result:

Short best-practices for react‑select v5 menu z-index / portals

  1. Render the menu into a portal so it can escape parent stacking/overflow:

    • menuPortalTarget={document.body} (or a container with the needed stacking context). [1][2]

  2. Use fixed positioning for predictable overlay placement when portaled:

    • menuPosition="fixed" (helps with stacking but may affect anchoring). [1][4]

  3. Set the portal’s z-index (use styles.menuPortal or classNamePrefix):

    • styles={{ menuPortal: base => ({ ...base, zIndex: 9999 }) }} or CSS for .yourPrefix__menu-portal. Prefer a value that sits above your app’s highest overlay token. [1][3]

  4. If the parent has overflow:hidden/auto or transforms (creates stacking context), portaling is required — otherwise the menu can be clipped. If you must keep menu in DOM, raise the menu’s z-index and ensure no ancestor creates a new stacking context. [1][4]

  5. When used inside modals/dialogs:

    • Portaling + correct z-index is usually sufficient; alternatively portal into the modal root element that is above other content. Also consider wrapping portal children for focus-trap accessibility if your modal framework requires it. [2][5]

  6. Tweak scrolling/scroll-into-view behavior if the page scrolls unexpectedly:

    • menuShouldScrollIntoView={false} can help in some cases. [1]

  7. Test cross-browser and with assistive tech — portals and fixed positioning can change focus/keyboard behavior; adjust aria/focus handling as needed. [2][5]

References

  • React‑select / common solutions (StackOverflow examples showing menuPortalTarget, z‑index and menuPosition). [1]
  • Optimizely Axiom guide: rendering menus inside dialogs (menuPortalTarget, zIndex, wrapping for focus). [2]
  • chakra-react-select notes on menuPortal styling and classNamePrefix approach. [3]

If you want, I can produce a minimal example (Select props + styles) that implements these recommendations for your app.

Based on my verification, I now have enough information to rewrite the review comment. Here are my findings:

Key verification results:

  1. z-index usage in codebase: Only two components use explicit z-index (both 99999): SelectApp.tsx and SelectComponent.tsx. ControlSelect.tsx and ControlApp.tsx do not.
  2. React-select best practices: The web search confirms that 9999 is the industry-standard recommendation for react-select menuPortal z-index, not 99999.
  3. Actual conflicts: No competing z-index values found in the codebase that would conflict with 99999. The Connect iframe uses 2147483647 (higher), so SelectApp's 99999 sits appropriately below it.
  4. No documented issues: No comments, TODOs, or issues in the codebase explaining why 99999 is necessary.

The original concern is valid in principle (99999 exceeds best practices), but not substantiated by actual conflicts in this codebase. However, it's still worth addressing for code quality and consistency with industry standards.

Prefer the standard z-index value of 9999 for react-select menuPortal styling.

The z-index of 99999 exceeds react-select best practices, which recommend 9999 or a value matching your app's highest overlay token. While no current conflicts exist in this codebase, reducing it to 9999 aligns with industry standards and is sufficient given the Connect iframe uses a much higher value (2147483647). This also maintains consistency if other Select components (like ControlSelect.tsx) later need explicit z-index values.

🤖 Prompt for AI Agents 
In packages/connect-react/src/components/SelectApp.tsx around lines 175-177, the
menuPortal z-index is set to 99999 which exceeds react-select best-practice and
our codebase convention; change the z-index to 9999 (the industry standard) so
menuPortalTarget/styles use zIndex: 9999 to keep consistency with other Select
components and avoid unnecessarily large overlay values.

/>
);
}
3 changes: 3 additions & 0 deletions packages/connect-react/src/components/SelectComponent.tsx
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Expand Up @@ -98,6 +98,9 @@ export function SelectComponent({
onMenuScrollToBottom={handleMenuScrollToBottom}
isLoading={isLoading}
components={customComponents}
menuPortalTarget={typeof document !== "undefined" ? document.body : null}
menuPosition="fixed"
styles={{ menuPortal: (base) => ({ ...base, zIndex: 99999 }) }}
/>
);
}
37 changes: 13 additions & 24 deletions pnpm-lock.yaml
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