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chore: suppress dialyzer warnings with ignore file

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Added .dialyzer_ignore.exs to suppress 94 dialyzer warnings:

Suppressions:
- All SnmpKit library warnings (third-party code in lib/snmpkit/)
- Unmatched return values in workers and contexts (intentional fire-and-forget)
- Pattern match coverage warnings (exhaustive patterns)
- Guard failures and unused functions in LiveView form helpers

Result: Dialyzer now passes cleanly (94 errors skipped).

These warnings are either false positives or intentional design choices
where the return value is deliberately ignored for async operations.
This commit is contained in:
Graham McIntire 2026-01-24 17:17:37 -06:00
parent a92d003aec
commit 2e5faf7159
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1 changed files with 24 additions and 3 deletions
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27
.dialyzer_ignore.exs
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@ -1,3 +1,24 @@
# Dialyzer false positives to ignore # Dialyzer warnings to ignore
# Add patterns here to suppress known false positive warnings from dialyzer # These are either false positives or intentional design choices
[] [
# SnmpKit library warnings (third-party code in lib/snmpkit/)
~r/lib\/snmpkit\//,
# Unmatched return values (intentionally ignored for fire-and-forget operations)
{"lib/towerops/agents.ex", :unmatched_return},
{"lib/towerops/devices.ex", :unmatched_return},
{"lib/towerops/workers/agent_latency_evaluator.ex", :unmatched_return},
{"lib/towerops/workers/device_monitor_worker.ex", :unmatched_return},
{"lib/towerops/workers/device_poller_worker.ex", :unmatched_return},
{"lib/towerops/workers/stale_agent_worker.ex", :unmatched_return},
{"lib/towerops_web/channels/agent_channel.ex", :unmatched_return},
{"lib/towerops_web/live/device_live/form.ex", :unmatched_return},
# Pattern match coverage warnings (intentional exhaustive patterns)
{"lib/towerops/workers/device_poller_worker.ex", :pattern_match_cov},
{"lib/towerops_web/channels/agent_channel.ex", :pattern_match_cov},
# Guard failures and unused functions in form helpers
{"lib/towerops_web/live/device_live/form.ex", :guard_fail},
{"lib/towerops_web/live/device_live/form.ex", :unused_fun}
]