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BUG: opencode run "Explain how closures work in JavaScript" is hanging (v0.5.15) #1462

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opened 2026-02-16 17:31:06 -05:00 by yindo · 11 comments
yindo commented 2026-02-16 17:31:06 -05:00
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Originally created by @mindreframer on GitHub (Aug 23, 2025).

Originally assigned to: @thdxr on GitHub.

When executed interactively, it works fine.

Specs:

OS: macOS 15.3 24D2059 arm64
Host: Mac15,14
Kernel: 24.3.0
Shell: fish 4.0.1
Terminal: ghostty
CPU: Apple M3 Ultra


bun --version
1.2.20
Originally created by @mindreframer on GitHub (Aug 23, 2025). Originally assigned to: @thdxr on GitHub. When executed interactively, it works fine. Specs: ```bash OS: macOS 15.3 24D2059 arm64 Host: Mac15,14 Kernel: 24.3.0 Shell: fish 4.0.1 Terminal: ghostty CPU: Apple M3 Ultra bun --version 1.2.20 ```
yindo closed this issue 2026-02-16 17:31:06 -05:00
yindo commented 2026-02-16 17:31:06 -05:00
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@github-actions[bot] commented on GitHub (Aug 23, 2025):

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

  • #182: opencode run doesn't return any response - Similar issue where opencode run doesn't work properly in non-interactive mode
  • #1784: Can't run opencode with openrouter models in non-interactive mode - Another non-interactive mode failure case
  • #870: Working is hanging and Claude usage limit reached not reported - Describes hanging behavior specifically with opencode run
  • #519: v0.1.161 - Opencode hangs, presumably from limits, with no error messaging - General hanging issues with opencode
  • #917: Session memory isn't passed in Non-Interactive mode - Non-interactive mode functionality issues

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

@github-actions[bot] commented on GitHub (Aug 23, 2025): This issue might be a duplicate of existing issues. Please check: - #182: `opencode run` doesn't return any response - Similar issue where `opencode run` doesn't work properly in non-interactive mode - #1784: Can't run opencode with openrouter models in non-interactive mode - Another non-interactive mode failure case - #870: Working is hanging and Claude usage limit reached not reported - Describes hanging behavior specifically with `opencode run` - #519: v0.1.161 - Opencode hangs, presumably from limits, with no error messaging - General hanging issues with opencode - #917: Session memory isn't passed in Non-Interactive mode - Non-interactive mode functionality issues Feel free to ignore if none of these address your specific case.
yindo commented 2026-02-16 17:31:06 -05:00
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@mindreframer commented on GitHub (Aug 23, 2025):

I have noticed, that when I provide a model, it works.

 opencode run -m "anthropic/claude-sonnet-4-20250514" "Explain how closures work in JavaScript"

Here the output with print logs:

$ opencode run "Explain how closures work in JavaScript"
INFO  2025-08-23T16:50:14 +59ms service=default version=0.5.18 args=["run","--print-logs","Explain how closures work i
INFO  2025-08-23T16:50:14 +0ms service=app cwd=/Users/roman/Desktop/work/prj.app/myapp creating
INFO  2025-08-23T16:50:14 +2ms service=app git=/Users/roman/Desktop/work/prj.app/myapp git
INFO  2025-08-23T16:50:14 +0ms service=app name=plugin registering service
INFO  2025-08-23T16:50:14 +1ms service=app name=config registering service
INFO  2025-08-23T16:50:14 +4ms service=config path=/Users/roman/.config/opencode/config.json loading
INFO  2025-08-23T16:50:14 +1ms service=config path=/Users/roman/.config/opencode/opencode.json loading
INFO  2025-08-23T16:50:14 +0ms service=config path=/Users/roman/.config/opencode/opencode.jsonc loading
INFO  2025-08-23T16:50:14 +2ms service=config agent={} mode={} command={} plugin=[] username=roman loaded
INFO  2025-08-23T16:50:14 +0ms service=plugin path=opencode-copilot-auth@0.0.2 loading plugin
INFO  2025-08-23T16:50:14 +1ms service=plugin path=opencode-anthropic-auth@0.0.2 loading plugin
INFO  2025-08-23T16:50:14 +12ms service=bus type=* subscribing
INFO  2025-08-23T16:50:14 +0ms service=app name=bus registering service
INFO  2025-08-23T16:50:14 +0ms service=bus type=storage.write subscribing
INFO  2025-08-23T16:50:14 +0ms service=format init
INFO  2025-08-23T16:50:14 +0ms service=bus type=file.edited subscribing
INFO  2025-08-23T16:50:14 +0ms service=config.hooks init
INFO  2025-08-23T16:50:14 +0ms service=bus type=file.edited subscribing
INFO  2025-08-23T16:50:14 +0ms service=bus type=session.idle subscribing
INFO  2025-08-23T16:50:14 +0ms service=app name=lsp registering service
INFO  2025-08-23T16:50:14 +1ms service=session id=ses_7282983fcffeyX5rMVSaF6YA6D version=0.5.18 title=New session - 2025-08-23T16:50:14.659Z time={"created":1755967814659,"updated":1755967814659} created
INFO  2025-08-23T16:50:14 +0ms service=app name=session registering service
INFO  2025-08-23T16:50:14 +0ms service=app name=storage registering service
INFO  2025-08-23T16:50:14 +0ms service=lsp serverIds=typescript, vue, eslint, golang, ruby-lsp, pyright, elixir-ls, zls, csharp, rust, clangd enabled LSP servers
INFO  2025-08-23T16:50:14 +3ms service=bus type=storage.write publishing
INFO  2025-08-23T16:50:14 +0ms service=bus type=session.updated publishing
INFO  2025-08-23T16:50:14 +0ms service=app name=agent registering service
INFO  2025-08-23T16:50:14 +1ms service=app name=provider registering service
INFO  2025-08-23T16:50:14 +1ms service=models.dev file={} refreshing
INFO  2025-08-23T16:50:14 +1ms service=provider init
INFO  2025-08-23T16:50:14 +41ms service=provider providerID=openrouter found
INFO  2025-08-23T16:50:14 +0ms service=provider providerID=amazon-bedrock found
INFO  2025-08-23T16:50:14 +0ms service=provider providerID=groq found
INFO  2025-08-23T16:50:14 +0ms service=provider providerID=mistral found
INFO  2025-08-23T16:50:14 +0ms service=provider providerID=opencode found
INFO  2025-08-23T16:50:14 +0ms service=provider providerID=anthropic found
INFO  2025-08-23T16:50:14 +1ms service=bus type=message.part.updated subscribing
INFO  2025-08-23T16:50:14 +0ms service=bus type=session.error subscribing
INFO  2025-08-23T16:50:14 +1ms service=session session=ses_7282983fcffeyX5rMVSaF6YA6D chatting
INFO  2025-08-23T16:50:14 +3ms service=bus type=storage.write publishing
INFO  2025-08-23T16:50:14 +0ms service=bus type=message.updated publishing
INFO  2025-08-23T16:50:14 +1ms service=bus type=storage.write publishing
INFO  2025-08-23T16:50:14 +0ms service=bus type=message.part.updated publishing
INFO  2025-08-23T16:50:14 +0ms service=bus type=storage.write publishing
INFO  2025-08-23T16:50:14 +0ms service=bus type=session.updated publishing
INFO  2025-08-23T16:50:14 +1ms service=provider providerID=openrouter modelID=anthropic/claude-sonnet-4 getModel
INFO  2025-08-23T16:50:14 +0ms service=provider status=started providerID=openrouter getSDK
INFO  2025-08-23T16:50:14 +0ms service=bun pkg=@ai-sdk/openai-compatible version=latest installing package using Bun's default registry resolution
INFO  2025-08-23T16:50:14 +0ms service=bun cmd=["/Users/roman/.local/share/mise/installs/node/22.14.0/lib/node_modules/opencode-ai/node_modules/opencode-darwin-arm64/bin/opencode","add","--force","--exact","--cwd","/Users/roman/.cache/opencode","@ai-sdk/openai-compatible@latest"] cwd=/Users/roman/.cache/opencode running
@mindreframer commented on GitHub (Aug 23, 2025): I have noticed, that when I provide a model, it works. ```bash opencode run -m "anthropic/claude-sonnet-4-20250514" "Explain how closures work in JavaScript" ``` Here the output with print logs: ```bash $ opencode run "Explain how closures work in JavaScript" INFO 2025-08-23T16:50:14 +59ms service=default version=0.5.18 args=["run","--print-logs","Explain how closures work i INFO 2025-08-23T16:50:14 +0ms service=app cwd=/Users/roman/Desktop/work/prj.app/myapp creating INFO 2025-08-23T16:50:14 +2ms service=app git=/Users/roman/Desktop/work/prj.app/myapp git INFO 2025-08-23T16:50:14 +0ms service=app name=plugin registering service INFO 2025-08-23T16:50:14 +1ms service=app name=config registering service INFO 2025-08-23T16:50:14 +4ms service=config path=/Users/roman/.config/opencode/config.json loading INFO 2025-08-23T16:50:14 +1ms service=config path=/Users/roman/.config/opencode/opencode.json loading INFO 2025-08-23T16:50:14 +0ms service=config path=/Users/roman/.config/opencode/opencode.jsonc loading INFO 2025-08-23T16:50:14 +2ms service=config agent={} mode={} command={} plugin=[] username=roman loaded INFO 2025-08-23T16:50:14 +0ms service=plugin path=opencode-copilot-auth@0.0.2 loading plugin INFO 2025-08-23T16:50:14 +1ms service=plugin path=opencode-anthropic-auth@0.0.2 loading plugin INFO 2025-08-23T16:50:14 +12ms service=bus type=* subscribing INFO 2025-08-23T16:50:14 +0ms service=app name=bus registering service INFO 2025-08-23T16:50:14 +0ms service=bus type=storage.write subscribing INFO 2025-08-23T16:50:14 +0ms service=format init INFO 2025-08-23T16:50:14 +0ms service=bus type=file.edited subscribing INFO 2025-08-23T16:50:14 +0ms service=config.hooks init INFO 2025-08-23T16:50:14 +0ms service=bus type=file.edited subscribing INFO 2025-08-23T16:50:14 +0ms service=bus type=session.idle subscribing INFO 2025-08-23T16:50:14 +0ms service=app name=lsp registering service INFO 2025-08-23T16:50:14 +1ms service=session id=ses_7282983fcffeyX5rMVSaF6YA6D version=0.5.18 title=New session - 2025-08-23T16:50:14.659Z time={"created":1755967814659,"updated":1755967814659} created INFO 2025-08-23T16:50:14 +0ms service=app name=session registering service INFO 2025-08-23T16:50:14 +0ms service=app name=storage registering service INFO 2025-08-23T16:50:14 +0ms service=lsp serverIds=typescript, vue, eslint, golang, ruby-lsp, pyright, elixir-ls, zls, csharp, rust, clangd enabled LSP servers INFO 2025-08-23T16:50:14 +3ms service=bus type=storage.write publishing INFO 2025-08-23T16:50:14 +0ms service=bus type=session.updated publishing INFO 2025-08-23T16:50:14 +0ms service=app name=agent registering service INFO 2025-08-23T16:50:14 +1ms service=app name=provider registering service INFO 2025-08-23T16:50:14 +1ms service=models.dev file={} refreshing INFO 2025-08-23T16:50:14 +1ms service=provider init INFO 2025-08-23T16:50:14 +41ms service=provider providerID=openrouter found INFO 2025-08-23T16:50:14 +0ms service=provider providerID=amazon-bedrock found INFO 2025-08-23T16:50:14 +0ms service=provider providerID=groq found INFO 2025-08-23T16:50:14 +0ms service=provider providerID=mistral found INFO 2025-08-23T16:50:14 +0ms service=provider providerID=opencode found INFO 2025-08-23T16:50:14 +0ms service=provider providerID=anthropic found INFO 2025-08-23T16:50:14 +1ms service=bus type=message.part.updated subscribing INFO 2025-08-23T16:50:14 +0ms service=bus type=session.error subscribing INFO 2025-08-23T16:50:14 +1ms service=session session=ses_7282983fcffeyX5rMVSaF6YA6D chatting INFO 2025-08-23T16:50:14 +3ms service=bus type=storage.write publishing INFO 2025-08-23T16:50:14 +0ms service=bus type=message.updated publishing INFO 2025-08-23T16:50:14 +1ms service=bus type=storage.write publishing INFO 2025-08-23T16:50:14 +0ms service=bus type=message.part.updated publishing INFO 2025-08-23T16:50:14 +0ms service=bus type=storage.write publishing INFO 2025-08-23T16:50:14 +0ms service=bus type=session.updated publishing INFO 2025-08-23T16:50:14 +1ms service=provider providerID=openrouter modelID=anthropic/claude-sonnet-4 getModel INFO 2025-08-23T16:50:14 +0ms service=provider status=started providerID=openrouter getSDK INFO 2025-08-23T16:50:14 +0ms service=bun pkg=@ai-sdk/openai-compatible version=latest installing package using Bun's default registry resolution INFO 2025-08-23T16:50:14 +0ms service=bun cmd=["/Users/roman/.local/share/mise/installs/node/22.14.0/lib/node_modules/opencode-ai/node_modules/opencode-darwin-arm64/bin/opencode","add","--force","--exact","--cwd","/Users/roman/.cache/opencode","@ai-sdk/openai-compatible@latest"] cwd=/Users/roman/.cache/opencode running ```
yindo commented 2026-02-16 17:31:06 -05:00
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@rekram1-node commented on GitHub (Aug 23, 2025):

can you try it with the print-logs flag and send result? Like the logs that are printed to stdout

@rekram1-node commented on GitHub (Aug 23, 2025): can you try it with the print-logs flag and send result? Like the logs that are printed to stdout
yindo commented 2026-02-16 17:31:06 -05:00
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@rekram1-node commented on GitHub (Aug 23, 2025):

lol u sent that right as I asked hahaha

@rekram1-node commented on GitHub (Aug 23, 2025): lol u sent that right as I asked hahaha
yindo commented 2026-02-16 17:31:06 -05:00
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@rekram1-node commented on GitHub (Aug 23, 2025):

can you do print logs without a model? just curious

@rekram1-node commented on GitHub (Aug 23, 2025): can you do print logs without a model? just curious
yindo commented 2026-02-16 17:31:06 -05:00
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@mindreframer commented on GitHub (Aug 23, 2025):

it is without he model

opencode run --print-logs  "Explain how closures work in JavaScript"
@mindreframer commented on GitHub (Aug 23, 2025): it is without he model ``` opencode run --print-logs "Explain how closures work in JavaScript" ```
yindo commented 2026-02-16 17:31:06 -05:00
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@mindreframer commented on GitHub (Aug 23, 2025):

claude sonnet it my default

@mindreframer commented on GitHub (Aug 23, 2025): claude sonnet it my default
yindo commented 2026-02-16 17:31:06 -05:00
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@mindreframer commented on GitHub (Aug 23, 2025):

here the output with model:

INFO  2025-08-23T16:56:04 +46ms service=default version=0.5.18 args=["run","--print-logs","-m","anthropic/claude-sonnet-4-20250514","Explain how closures work in JavaScript"] opencode
INFO  2025-08-23T16:56:04 +0ms service=app cwd=/Users/roman/Desktop/work/prj.app/myapp creating
INFO  2025-08-23T16:56:04 +1ms service=app git=/Users/roman/Desktop/work/prj.app/myapp git
INFO  2025-08-23T16:56:04 +1ms service=app name=plugin registering service
INFO  2025-08-23T16:56:04 +2ms service=app name=config registering service
INFO  2025-08-23T16:56:04 +0ms service=config path=/Users/roman/.config/opencode/config.json loading
INFO  2025-08-23T16:56:04 +1ms service=config path=/Users/roman/.config/opencode/opencode.json loading
INFO  2025-08-23T16:56:04 +0ms service=config path=/Users/roman/.config/opencode/opencode.jsonc loading
INFO  2025-08-23T16:56:04 +1ms service=config agent={} mode={} command={} plugin=[] username=roman loaded
INFO  2025-08-23T16:56:04 +0ms service=plugin path=opencode-copilot-auth@0.0.2 loading plugin
INFO  2025-08-23T16:56:04 +0ms service=plugin path=opencode-anthropic-auth@0.0.2 loading plugin
INFO  2025-08-23T16:56:04 +9ms service=bus type=* subscribing
INFO  2025-08-23T16:56:04 +0ms service=app name=bus registering service
INFO  2025-08-23T16:56:04 +0ms service=bus type=storage.write subscribing
INFO  2025-08-23T16:56:04 +0ms service=format init
INFO  2025-08-23T16:56:04 +0ms service=bus type=file.edited subscribing
INFO  2025-08-23T16:56:04 +0ms service=config.hooks init
INFO  2025-08-23T16:56:04 +0ms service=bus type=file.edited subscribing
INFO  2025-08-23T16:56:04 +0ms service=bus type=session.idle subscribing
INFO  2025-08-23T16:56:04 +0ms service=app name=lsp registering service
INFO  2025-08-23T16:56:04 +1ms service=session id=ses_728242da5ffel70JExw0HXZ44u version=0.5.18 title=New session - 2025-08-23T16:56:04.442Z time={"created":1755968164442,"updated":1755968164442} created
INFO  2025-08-23T16:56:04 +0ms service=app name=session registering service
INFO  2025-08-23T16:56:04 +0ms service=app name=storage registering service
INFO  2025-08-23T16:56:04 +0ms service=lsp serverIds=typescript, vue, eslint, golang, ruby-lsp, pyright, elixir-ls, zls, csharp, rust, clangd enabled LSP servers
INFO  2025-08-23T16:56:04 +1ms service=bus type=storage.write publishing
INFO  2025-08-23T16:56:04 +0ms service=bus type=session.updated publishing
INFO  2025-08-23T16:56:04 +0ms service=app name=agent registering service
INFO  2025-08-23T16:56:04 +1ms service=bus type=message.part.updated subscribing
INFO  2025-08-23T16:56:04 +0ms service=bus type=session.error subscribing
INFO  2025-08-23T16:56:04 +1ms service=session session=ses_728242da5ffel70JExw0HXZ44u chatting
INFO  2025-08-23T16:56:04 +1ms service=bus type=storage.write publishing
INFO  2025-08-23T16:56:04 +0ms service=bus type=message.updated publishing
INFO  2025-08-23T16:56:04 +0ms service=bus type=storage.write publishing
INFO  2025-08-23T16:56:04 +0ms service=bus type=message.part.updated publishing
INFO  2025-08-23T16:56:04 +0ms service=bus type=storage.write publishing
INFO  2025-08-23T16:56:04 +1ms service=bus type=session.updated publishing
INFO  2025-08-23T16:56:04 +0ms service=app name=provider registering service
INFO  2025-08-23T16:56:04 +1ms service=models.dev file={} refreshing
INFO  2025-08-23T16:56:04 +1ms service=provider init
INFO  2025-08-23T16:56:04 +32ms service=provider providerID=openrouter found
INFO  2025-08-23T16:56:04 +0ms service=provider providerID=amazon-bedrock found
INFO  2025-08-23T16:56:04 +0ms service=provider providerID=groq found
INFO  2025-08-23T16:56:04 +0ms service=provider providerID=mistral found
INFO  2025-08-23T16:56:04 +0ms service=provider providerID=opencode found
INFO  2025-08-23T16:56:04 +0ms service=provider providerID=anthropic found
INFO  2025-08-23T16:56:04 +0ms service=provider providerID=anthropic modelID=claude-sonnet-4-20250514 getModel
INFO  2025-08-23T16:56:04 +0ms service=provider status=started providerID=anthropic getSDK
INFO  2025-08-23T16:56:04 +31ms service=provider status=completed duration=31 providerID=anthropic getSDK
INFO  2025-08-23T16:56:04 +0ms service=provider providerID=anthropic modelID=claude-sonnet-4-20250514 found
INFO  2025-08-23T16:56:04 +2ms service=session session=ses_728242da5ffel70JExw0HXZ44u sessionID=ses_728242da5ffel70JExw0HXZ44u locking
INFO  2025-08-23T16:56:04 +1ms service=provider providerID=anthropic modelID=claude-3-5-haiku-20241022 getModel
INFO  2025-08-23T16:56:04 +0ms service=provider status=started providerID=anthropic getSDK
INFO  2025-08-23T16:56:04 +0ms service=provider status=completed duration=0 providerID=anthropic getSDK
INFO  2025-08-23T16:56:04 +0ms service=provider providerID=anthropic modelID=claude-3-5-haiku-20241022 found
INFO  2025-08-23T16:56:04 +19ms service=bus type=storage.write publishing
INFO  2025-08-23T16:56:04 +0ms service=bus type=message.updated publishing
INFO  2025-08-23T16:56:04 +1ms service=app name=mcp registering service
INFO  2025-08-23T16:56:04 +3ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=start part
INFO  2025-08-23T16:56:05 +896ms service=bus type=storage.write publishing
INFO  2025-08-23T16:56:05 +0ms service=bus type=session.updated publishing
INFO  2025-08-23T16:56:07 +2312ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=start-step part
INFO  2025-08-23T16:56:07 +3ms service=bus type=storage.write publishing
INFO  2025-08-23T16:56:07 +0ms service=bus type=message.part.updated publishing
INFO  2025-08-23T16:56:07 +44ms service=snapshot hash=54dc67aa148c2e72fb03e67485661349392dd6eb
 cwd=/Users/roman/Desktop/work/prj.app/myapp git=/Users/roman/.local/share/opencode/project/Users-roman-Desktop-work-prj-memomoo-moo_mono_felix/snapshots tracking
INFO  2025-08-23T16:56:07 +0ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-start part
INFO  2025-08-23T16:56:07 +0ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part
INFO  2025-08-23T16:56:07 +1ms service=bus type=storage.write publishing
INFO  2025-08-23T16:56:07 +0ms service=bus type=message.part.updated publishing
INFO  2025-08-23T16:56:07 +0ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part
INFO  2025-08-23T16:56:07 +0ms service=bus type=storage.write publishing
INFO  2025-08-23T16:56:07 +0ms service=bus type=message.part.updated publishing
INFO  2025-08-23T16:56:07 +48ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part
INFO  2025-08-23T16:56:07 +0ms service=bus type=storage.write publishing
INFO  2025-08-23T16:56:07 +0ms service=bus type=message.part.updated publishing
INFO  2025-08-23T16:56:07 +103ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part
INFO  2025-08-23T16:56:07 +0ms service=bus type=storage.write publishing
INFO  2025-08-23T16:56:07 +0ms service=bus type=message.part.updated publishing
INFO  2025-08-23T16:56:07 +50ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part
INFO  2025-08-23T16:56:07 +0ms service=bus type=storage.write publishing
INFO  2025-08-23T16:56:07 +0ms service=bus type=message.part.updated publishing
INFO  2025-08-23T16:56:08 +112ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part
INFO  2025-08-23T16:56:08 +3ms service=bus type=storage.write publishing
INFO  2025-08-23T16:56:08 +0ms service=bus type=message.part.updated publishing
INFO  2025-08-23T16:56:08 +311ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part
INFO  2025-08-23T16:56:08 +2ms service=bus type=storage.write publishing
INFO  2025-08-23T16:56:08 +0ms service=bus type=message.part.updated publishing
INFO  2025-08-23T16:56:08 +107ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part
INFO  2025-08-23T16:56:08 +2ms service=bus type=storage.write publishing
INFO  2025-08-23T16:56:08 +1ms service=bus type=message.part.updated publishing
INFO  2025-08-23T16:56:08 +55ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part
INFO  2025-08-23T16:56:08 +2ms service=bus type=storage.write publishing
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JavaScript closures allow inner functions to access variables from their outer (enclosing) scope even after the outer function has finished executing.

## How Closures Work

When a function is created, it maintains a reference to its lexical environment - the scope in which it was defined. This creates a "closure" over those variables.

```javascript
function outerFunction(x) {
  // This is the outer function's scope

  function innerFunction(y) {
    // Inner function has access to outer function's variables
    return x + y;
  }

  return innerFunction;
}

const addFive = outerFunction(5);
console.log(addFive(3)); // 8 - x (5) is still accessible

Common Use Cases

Data Privacy:

function createCounter() {
  let count = 0;

  return {
    increment: () => ++count,
    decrement: () => --count,
    value: () => count
  };
}

const counter = createCounter();
counter.increment(); // 1
// count is private, not directly accessible

Function Factories:

function multiplier(factor) {
  return function(number) {
    return number * factor;
  };
}

const double = multiplier(2);
const triple = multiplier(3);

Each closure maintains its own copy of the outer function's variables, creating independent execution contexts.

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INFO 2025-08-23T16:56:13 +0ms service=session session=ses_728242da5ffel70JExw0HXZ44u sessionID=ses_728242da5ffel70JExw0HXZ44u unlocking
INFO 2025-08-23T16:56:13 +0ms service=bus type=session.idle publishing
INFO 2025-08-23T16:56:13 +1ms service=app name=lsp shutdown
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INFO 2025-08-23T16:56:13 +0ms service=app name=mcp shutdown

@mindreframer commented on GitHub (Aug 23, 2025): here the output with model: ```bash INFO 2025-08-23T16:56:04 +46ms service=default version=0.5.18 args=["run","--print-logs","-m","anthropic/claude-sonnet-4-20250514","Explain how closures work in JavaScript"] opencode INFO 2025-08-23T16:56:04 +0ms service=app cwd=/Users/roman/Desktop/work/prj.app/myapp creating INFO 2025-08-23T16:56:04 +1ms service=app git=/Users/roman/Desktop/work/prj.app/myapp git INFO 2025-08-23T16:56:04 +1ms service=app name=plugin registering service INFO 2025-08-23T16:56:04 +2ms service=app name=config registering service INFO 2025-08-23T16:56:04 +0ms service=config path=/Users/roman/.config/opencode/config.json loading INFO 2025-08-23T16:56:04 +1ms service=config path=/Users/roman/.config/opencode/opencode.json loading INFO 2025-08-23T16:56:04 +0ms service=config path=/Users/roman/.config/opencode/opencode.jsonc loading INFO 2025-08-23T16:56:04 +1ms service=config agent={} mode={} command={} plugin=[] username=roman loaded INFO 2025-08-23T16:56:04 +0ms service=plugin path=opencode-copilot-auth@0.0.2 loading plugin INFO 2025-08-23T16:56:04 +0ms service=plugin path=opencode-anthropic-auth@0.0.2 loading plugin INFO 2025-08-23T16:56:04 +9ms service=bus type=* subscribing INFO 2025-08-23T16:56:04 +0ms service=app name=bus registering service INFO 2025-08-23T16:56:04 +0ms service=bus type=storage.write subscribing INFO 2025-08-23T16:56:04 +0ms service=format init INFO 2025-08-23T16:56:04 +0ms service=bus type=file.edited subscribing INFO 2025-08-23T16:56:04 +0ms service=config.hooks init INFO 2025-08-23T16:56:04 +0ms service=bus type=file.edited subscribing INFO 2025-08-23T16:56:04 +0ms service=bus type=session.idle subscribing INFO 2025-08-23T16:56:04 +0ms service=app name=lsp registering service INFO 2025-08-23T16:56:04 +1ms service=session id=ses_728242da5ffel70JExw0HXZ44u version=0.5.18 title=New session - 2025-08-23T16:56:04.442Z time={"created":1755968164442,"updated":1755968164442} created INFO 2025-08-23T16:56:04 +0ms service=app name=session registering service INFO 2025-08-23T16:56:04 +0ms service=app name=storage registering service INFO 2025-08-23T16:56:04 +0ms service=lsp serverIds=typescript, vue, eslint, golang, ruby-lsp, pyright, elixir-ls, zls, csharp, rust, clangd enabled LSP servers INFO 2025-08-23T16:56:04 +1ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:04 +0ms service=bus type=session.updated publishing INFO 2025-08-23T16:56:04 +0ms service=app name=agent registering service INFO 2025-08-23T16:56:04 +1ms service=bus type=message.part.updated subscribing INFO 2025-08-23T16:56:04 +0ms service=bus type=session.error subscribing INFO 2025-08-23T16:56:04 +1ms service=session session=ses_728242da5ffel70JExw0HXZ44u chatting INFO 2025-08-23T16:56:04 +1ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:04 +0ms service=bus type=message.updated publishing INFO 2025-08-23T16:56:04 +0ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:04 +0ms service=bus type=message.part.updated publishing INFO 2025-08-23T16:56:04 +0ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:04 +1ms service=bus type=session.updated publishing INFO 2025-08-23T16:56:04 +0ms service=app name=provider registering service INFO 2025-08-23T16:56:04 +1ms service=models.dev file={} refreshing INFO 2025-08-23T16:56:04 +1ms service=provider init INFO 2025-08-23T16:56:04 +32ms service=provider providerID=openrouter found INFO 2025-08-23T16:56:04 +0ms service=provider providerID=amazon-bedrock found INFO 2025-08-23T16:56:04 +0ms service=provider providerID=groq found INFO 2025-08-23T16:56:04 +0ms service=provider providerID=mistral found INFO 2025-08-23T16:56:04 +0ms service=provider providerID=opencode found INFO 2025-08-23T16:56:04 +0ms service=provider providerID=anthropic found INFO 2025-08-23T16:56:04 +0ms service=provider providerID=anthropic modelID=claude-sonnet-4-20250514 getModel INFO 2025-08-23T16:56:04 +0ms service=provider status=started providerID=anthropic getSDK INFO 2025-08-23T16:56:04 +31ms service=provider status=completed duration=31 providerID=anthropic getSDK INFO 2025-08-23T16:56:04 +0ms service=provider providerID=anthropic modelID=claude-sonnet-4-20250514 found INFO 2025-08-23T16:56:04 +2ms service=session session=ses_728242da5ffel70JExw0HXZ44u sessionID=ses_728242da5ffel70JExw0HXZ44u locking INFO 2025-08-23T16:56:04 +1ms service=provider providerID=anthropic modelID=claude-3-5-haiku-20241022 getModel INFO 2025-08-23T16:56:04 +0ms service=provider status=started providerID=anthropic getSDK INFO 2025-08-23T16:56:04 +0ms service=provider status=completed duration=0 providerID=anthropic getSDK INFO 2025-08-23T16:56:04 +0ms service=provider providerID=anthropic modelID=claude-3-5-haiku-20241022 found INFO 2025-08-23T16:56:04 +19ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:04 +0ms service=bus type=message.updated publishing INFO 2025-08-23T16:56:04 +1ms service=app name=mcp registering service INFO 2025-08-23T16:56:04 +3ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=start part INFO 2025-08-23T16:56:05 +896ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:05 +0ms service=bus type=session.updated publishing INFO 2025-08-23T16:56:07 +2312ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=start-step part INFO 2025-08-23T16:56:07 +3ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:07 +0ms service=bus type=message.part.updated publishing INFO 2025-08-23T16:56:07 +44ms service=snapshot hash=54dc67aa148c2e72fb03e67485661349392dd6eb cwd=/Users/roman/Desktop/work/prj.app/myapp git=/Users/roman/.local/share/opencode/project/Users-roman-Desktop-work-prj-memomoo-moo_mono_felix/snapshots tracking INFO 2025-08-23T16:56:07 +0ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-start part INFO 2025-08-23T16:56:07 +0ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part INFO 2025-08-23T16:56:07 +1ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:07 +0ms service=bus type=message.part.updated publishing INFO 2025-08-23T16:56:07 +0ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part INFO 2025-08-23T16:56:07 +0ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:07 +0ms service=bus type=message.part.updated publishing INFO 2025-08-23T16:56:07 +48ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part INFO 2025-08-23T16:56:07 +0ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:07 +0ms service=bus type=message.part.updated publishing INFO 2025-08-23T16:56:07 +103ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part INFO 2025-08-23T16:56:07 +0ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:07 +0ms service=bus type=message.part.updated publishing INFO 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type=message.part.updated publishing INFO 2025-08-23T16:56:08 +55ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part INFO 2025-08-23T16:56:08 +2ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:08 +0ms service=bus type=message.part.updated publishing INFO 2025-08-23T16:56:08 +103ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part INFO 2025-08-23T16:56:08 +2ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:08 +0ms service=bus type=message.part.updated publishing INFO 2025-08-23T16:56:08 +109ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part INFO 2025-08-23T16:56:08 +2ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:08 +0ms service=bus type=message.part.updated publishing INFO 2025-08-23T16:56:08 +92ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part INFO 2025-08-23T16:56:08 +2ms service=bus type=storage.write publishing INFO 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2025-08-23T16:56:12 +0ms service=bus type=message.part.updated publishing INFO 2025-08-23T16:56:12 +160ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part INFO 2025-08-23T16:56:12 +3ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:12 +0ms service=bus type=message.part.updated publishing INFO 2025-08-23T16:56:12 +98ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part INFO 2025-08-23T16:56:12 +2ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:12 +0ms service=bus type=message.part.updated publishing INFO 2025-08-23T16:56:13 +360ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part INFO 2025-08-23T16:56:13 +2ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:13 +0ms service=bus type=message.part.updated publishing INFO 2025-08-23T16:56:13 +310ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part INFO 2025-08-23T16:56:13 +2ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:13 +0ms service=bus type=message.part.updated publishing INFO 2025-08-23T16:56:13 +121ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-delta part INFO 2025-08-23T16:56:13 +2ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:13 +0ms service=bus type=message.part.updated publishing INFO 2025-08-23T16:56:13 +0ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=text-end part INFO 2025-08-23T16:56:13 +1ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:13 +0ms service=bus type=message.part.updated publishing JavaScript closures allow inner functions to access variables from their outer (enclosing) scope even after the outer function has finished executing. ## How Closures Work When a function is created, it maintains a reference to its lexical environment - the scope in which it was defined. This creates a "closure" over those variables. ```javascript function outerFunction(x) { // This is the outer function's scope function innerFunction(y) { // Inner function has access to outer function's variables return x + y; } return innerFunction; } const addFive = outerFunction(5); console.log(addFive(3)); // 8 - x (5) is still accessible ``` ## Common Use Cases **Data Privacy:** ```javascript function createCounter() { let count = 0; return { increment: () => ++count, decrement: () => --count, value: () => count }; } const counter = createCounter(); counter.increment(); // 1 // count is private, not directly accessible ``` **Function Factories:** ```javascript function multiplier(factor) { return function(number) { return number * factor; }; } const double = multiplier(2); const triple = multiplier(3); ``` Each closure maintains its own copy of the outer function's variables, creating independent execution contexts. INFO 2025-08-23T16:56:13 +27ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=finish-step part INFO 2025-08-23T16:56:13 +3ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:13 +0ms service=bus type=message.part.updated publishing INFO 2025-08-23T16:56:13 +1ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:13 +0ms service=bus type=message.updated publishing INFO 2025-08-23T16:56:13 +39ms service=session session=ses_728242da5ffel70JExw0HXZ44u type=finish part INFO 2025-08-23T16:56:13 +1ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:13 +0ms service=bus type=message.updated publishing INFO 2025-08-23T16:56:13 +0ms service=bus type=storage.write publishing INFO 2025-08-23T16:56:13 +0ms service=bus type=message.updated publishing INFO 2025-08-23T16:56:13 +0ms service=session session=ses_728242da5ffel70JExw0HXZ44u sessionID=ses_728242da5ffel70JExw0HXZ44u unlocking INFO 2025-08-23T16:56:13 +0ms service=bus type=session.idle publishing INFO 2025-08-23T16:56:13 +1ms service=app name=lsp shutdown INFO 2025-08-23T16:56:13 +0ms service=app name=session shutdown INFO 2025-08-23T16:56:13 +0ms service=app name=mcp shutdown ```
yindo commented 2026-02-16 17:31:06 -05:00
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@sei-dwtompkins commented on GitHub (Sep 6, 2025):

I'm experiencing a similar issue. Interactive usage works fine, but opencode run will typically hang— even after giving a proper response.

@sei-dwtompkins commented on GitHub (Sep 6, 2025): I'm experiencing a similar issue. Interactive usage works fine, but `opencode run` will typically hang— even after giving a proper response.
yindo commented 2026-02-16 17:31:06 -05:00
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@sei-dwtompkins commented on GitHub (Sep 6, 2025):

opencode run 'Generate a git commit message for the current repo. Return only the commit string, do not log when running commands. Start the commit message with ##### and end with #####.' -m 'opencode/grok-code' --print-logs

For example, the above command generated a long long log with the result at the end, but it wouldn't wrap up the command execution.

INFO  2025-09-06T05:09:42 +2ms service=bus type=message.part.updated publishing
INFO  2025-09-06T05:09:42 +14ms service=session session=ses_6e2921fcfffew2XhRcue1ZlMld type=reasoning-end part
INFO  2025-09-06T05:09:43 +8ms service=bus type=message.part.updated publishing
INFO  2025-09-06T05:09:43 +0ms service=session session=ses_6e2921fcfffew2XhRcue1ZlMld type=text-end part
INFO  2025-09-06T05:09:43 +6ms service=bus type=message.part.updated publishing

#####chore: remove siege URL files#####

INFO  2025-09-06T05:09:43 +0ms service=session session=ses_6e2921fcfffew2XhRcue1ZlMld type=finish-step part
INFO  2025-09-06T05:09:43 +0ms service=bus type=message.part.updated publishing
INFO  2025-09-06T05:09:43 +2ms service=bus type=message.updated publishing
INFO  2025-09-06T05:09:43 +82ms service=session session=ses_6e2921fcfffew2XhRcue1ZlMld type=finish part
INFO  2025-09-06T05:09:43 +3ms service=bus type=message.updated publishing
INFO  2025-09-06T05:09:43 +26ms service=bus type=message.updated publishing
INFO  2025-09-06T05:09:43 +1ms service=session session=ses_6e2921fcfffew2XhRcue1ZlMld sessionID=ses_6e2921fcfffew2XhRcue1ZlMld unlocking
INFO  2025-09-06T05:09:43 +19ms service=bus type=session.idle publishing
@sei-dwtompkins commented on GitHub (Sep 6, 2025): ```shell opencode run 'Generate a git commit message for the current repo. Return only the commit string, do not log when running commands. Start the commit message with ##### and end with #####.' -m 'opencode/grok-code' --print-logs ``` For example, the above command generated a long long log with the result at the end, but it wouldn't wrap up the command execution. ``` INFO 2025-09-06T05:09:42 +2ms service=bus type=message.part.updated publishing INFO 2025-09-06T05:09:42 +14ms service=session session=ses_6e2921fcfffew2XhRcue1ZlMld type=reasoning-end part INFO 2025-09-06T05:09:43 +8ms service=bus type=message.part.updated publishing INFO 2025-09-06T05:09:43 +0ms service=session session=ses_6e2921fcfffew2XhRcue1ZlMld type=text-end part INFO 2025-09-06T05:09:43 +6ms service=bus type=message.part.updated publishing #####chore: remove siege URL files##### INFO 2025-09-06T05:09:43 +0ms service=session session=ses_6e2921fcfffew2XhRcue1ZlMld type=finish-step part INFO 2025-09-06T05:09:43 +0ms service=bus type=message.part.updated publishing INFO 2025-09-06T05:09:43 +2ms service=bus type=message.updated publishing INFO 2025-09-06T05:09:43 +82ms service=session session=ses_6e2921fcfffew2XhRcue1ZlMld type=finish part INFO 2025-09-06T05:09:43 +3ms service=bus type=message.updated publishing INFO 2025-09-06T05:09:43 +26ms service=bus type=message.updated publishing INFO 2025-09-06T05:09:43 +1ms service=session session=ses_6e2921fcfffew2XhRcue1ZlMld sessionID=ses_6e2921fcfffew2XhRcue1ZlMld unlocking INFO 2025-09-06T05:09:43 +19ms service=bus type=session.idle publishing ```
yindo commented 2026-02-16 17:31:06 -05:00
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@rekram1-node commented on GitHub (Dec 27, 2025):

[automated] Closing due to 90+ days of inactivity. Feel free to reopen if you still need this!

@rekram1-node commented on GitHub (Dec 27, 2025): [automated] Closing due to 90+ days of inactivity. Feel free to reopen if you still need this!
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Reference: anomalyco/opencode#1462
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