opentui: fatal: undefined is not an object (evaluating 'c3[mode2]') when using custom theme. #2886

Closed
opened 2026-02-16 17:37:41 -05:00 by yindo · 2 comments
Owner

Originally created by @ariane-emory on GitHub (Nov 16, 2025).

Description

This error occurs in latest when the project-local opencode.json file contains:

{
  "$schema": "https://opencode.ai/config.json",
  "theme": "my-matrix"
}

The file at ~/.config/opencode/themes/my-matrix.json is a modified version of the standard Matrix theme with this one line only changed:

"background": { "dark": "none", "light": "none" },
TypeError: undefined is not an object (evaluating 'c3[mode2]')
    at resolveColor (src/cli/cmd/tui/context/theme.tsx:64:25)
    at <anonymous> (src/cli/cmd/tui/context/theme.tsx:67:18)
    at map (native:1:11)
    at resolveTheme (src/cli/cmd/tui/context/theme.tsx:66:57)
    at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
    at readSignal (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:660:67)
    at get (src/cli/cmd/tui/context/theme.tsx:106:18)
    at <anonymous> (src/cli/cmd/tui/app.tsx:531:17)
    at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
    at createRenderEffect (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:240:75)
    at <anonymous> (src/cli/cmd/tui/app.tsx:517:5)
    at untrack (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:475:12)
    at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
    at devComponent (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:593:3)
    at children (src/cli/cmd/tui/context/helper.tsx:18:24)
    at <anonymous> (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1057:29)
    at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
    at createMemo (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:273:10)
    at children (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:616:20)
    at untrack (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:475:12)
    at <anonymous> (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1052:36)
    at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
    at createRenderEffect (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:240:75)
    at provider (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1052:5)
    at untrack (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:475:12)
    at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
    at devComponent (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:593:3)
    at <anonymous> (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1532:21)
    at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
    at createMemo (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:273:10)
    at untrack (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:475:12)
    at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
    at devComponent (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:593:3)
    at untrack (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:475:12)
    at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
    at devComponent (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:593:3)
    at children (src/cli/cmd/tui/component/dialog-command.tsx:88:14)
    at <anonymous> (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1057:29)
    at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
    at createMemo (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:273:10)
    at children (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:616:20)
    at untrack (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:475:12)
    at <anonymous> (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1052:36)
    at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
    at createRenderEffect (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:240:75)
    at provider (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1052:5)
    at untrack (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:475:12)
    at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22)
    at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3)
    at devComponent (../../node_modules/.bun/solid-js@1.9...

OpenCode version

1.0.65

Steps to reproduce

No response

Screenshot and/or share link

No response

Operating System

MacOS latest Sequoia

Terminal

iTerm2

Originally created by @ariane-emory on GitHub (Nov 16, 2025). ### Description This error occurs in latest when the project-local `opencode.json` file contains: ``` { "$schema": "https://opencode.ai/config.json", "theme": "my-matrix" } ``` The file at `~/.config/opencode/themes/my-matrix.json` is a modified version of the standard Matrix theme with this one line only changed: ``` "background": { "dark": "none", "light": "none" }, ``` ``` TypeError: undefined is not an object (evaluating 'c3[mode2]') at resolveColor (src/cli/cmd/tui/context/theme.tsx:64:25) at <anonymous> (src/cli/cmd/tui/context/theme.tsx:67:18) at map (native:1:11) at resolveTheme (src/cli/cmd/tui/context/theme.tsx:66:57) at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3) at readSignal (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:660:67) at get (src/cli/cmd/tui/context/theme.tsx:106:18) at <anonymous> (src/cli/cmd/tui/app.tsx:531:17) at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3) at createRenderEffect (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:240:75) at <anonymous> (src/cli/cmd/tui/app.tsx:517:5) at untrack (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:475:12) at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3) at devComponent (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:593:3) at children (src/cli/cmd/tui/context/helper.tsx:18:24) at <anonymous> (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1057:29) at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3) at createMemo (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:273:10) at children (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:616:20) at untrack (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:475:12) at <anonymous> (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1052:36) at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3) at createRenderEffect (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:240:75) at provider (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1052:5) at untrack (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:475:12) at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3) at devComponent (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:593:3) at <anonymous> (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1532:21) at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3) at createMemo (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:273:10) at untrack (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:475:12) at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3) at devComponent (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:593:3) at untrack (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:475:12) at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3) at devComponent (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:593:3) at children (src/cli/cmd/tui/component/dialog-command.tsx:88:14) at <anonymous> (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1057:29) at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3) at createMemo (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:273:10) at children (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:616:20) at untrack (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:475:12) at <anonymous> (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1052:36) at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3) at createRenderEffect (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:240:75) at provider (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:1052:5) at untrack (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:475:12) at runComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:742:22) at updateComputation (../../node_modules/.bun/solid-js@1.9.9/node_modules/solid-js/dist/dev.js:724:3) at devComponent (../../node_modules/.bun/solid-js@1.9... ``` ### OpenCode version 1.0.65 ### Steps to reproduce _No response_ ### Screenshot and/or share link _No response_ ### Operating System MacOS latest Sequoia ### Terminal iTerm2
yindo added the opentuibug labels 2026-02-16 17:37:41 -05:00
yindo closed this issue 2026-02-16 17:37:41 -05:00
Author
Owner

@github-actions[bot] commented on GitHub (Nov 16, 2025):

This issue might be a duplicate of existing issues. Please check:

  • #4237: Same error with custom theme using "none" values (darkBase: "none")
  • #4236: Same error and stack trace with custom themes using ANSI colors
  • #4304: Identical theme error message
  • #4250: Same fatal error message

All of these issues appear to be related to the same underlying problem in theme resolution at resolveColor (src/cli/cmd/tui/context/theme.tsx:64:25) when custom themes contain certain values that can't be processed properly.

Feel free to ignore if none of these address your specific case.

@github-actions[bot] commented on GitHub (Nov 16, 2025): This issue might be a duplicate of existing issues. Please check: - #4237: Same error with custom theme using "none" values (darkBase: "none") - #4236: Same error and stack trace with custom themes using ANSI colors - #4304: Identical theme error message - #4250: Same fatal error message All of these issues appear to be related to the same underlying problem in theme resolution at `resolveColor (src/cli/cmd/tui/context/theme.tsx:64:25)` when custom themes contain certain values that can't be processed properly. Feel free to ignore if none of these address your specific case.
Author
Owner

@rekram1-node commented on GitHub (Nov 16, 2025):

fixed

@rekram1-node commented on GitHub (Nov 16, 2025): [fixed](https://github.com/sst/opencode/commit/e728b94bcaac1f019b3a03f04465b3c00d3fdc3a)
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Reference: anomalyco/opencode#2886