Skip to content

docs(arm): add guidance for evaluating ARM rule violations#4848

Open
markcowl wants to merge 4 commits into
Azure:mainfrom
markcowl:markcowl/arm-rules-suppression-guidance
Open

docs(arm): add guidance for evaluating ARM rule violations#4848
markcowl wants to merge 4 commits into
Azure:mainfrom
markcowl:markcowl/arm-rules-suppression-guidance

Conversation

@markcowl

@markcowl markcowl commented Jul 7, 2026

Copy link
Copy Markdown
Member

Adds a new "Evaluating Rule Violations" section to the ARM rules how-to page to help rule authors and ARM reviewers assess rule violations.

The section contains three tables, each describing, per rule, the area of impact, the impact of a violation, when suppression is appropriate, and how to fix the underlying issue:

  • High-impact rules not covered by LintDiff
  • High- and medium-impact API rules that correspond 1:1 with LintDiff (error) rules
  • Low- and medium-impact API rules without a clean mapping to LintDiff rules

The source content was cleaned up into natural language with concise, complete sentences. Documentation-only change.

Add a new section to the ARM rules how-to that helps rule authors and ARM reviewers evaluate rule violations, describing each rule's area of impact, impact, when to suppress, and how to fix it.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
@azure-sdk-automation

Copy link
Copy Markdown
Contributor

No changes needing a change description found.

@azure-sdk-automation

Copy link
Copy Markdown
Contributor

You can try these changes here

🛝 Playground 🌐 Website

markcowl and others added 2 commits July 7, 2026 14:20
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
@github-actions

github-actions Bot commented Jul 7, 2026

Copy link
Copy Markdown
Contributor

⚡ Benchmark Results

⚠️ 4 metric(s) regressed above the +5% threshold:

Metric Baseline Current Change
loader 🟡 303.9ms 🟡 325.1ms +7.0% 🔴
 ↳ linter/@azure-tools/typespec-azure-core/no-response-body 🔴 33.0ms 🔴 34.8ms +5.3% 🔴
 ↳ linter/@azure-tools/typespec-azure-resource-manager/lro-location-header 🟡 19.5ms 🔴 20.9ms +6.9% 🔴
 ↳ linter/@azure-tools/typespec-azure-resource-manager/no-response-body 🔴 29.7ms 🔴 31.7ms +6.6% 🔴
Full details – comparing 136f8ea vs baseline rolling-baseline-f6e42f0-aca5355 (rolling baseline (20 main runs))
Metric Baseline Current Change
total 🔴 1.00s 🔴 1.05s +4.5%
loader 🟡 303.9ms 🟡 325.1ms +7.0% 🔴
resolver 🟢 39.9ms 🟢 40.8ms +2.3%
checker 🟡 362.3ms 🟡 376.3ms +3.9%
validation 🟢 84.5ms 🟢 86.2ms +2.1%
 ↳ validation/@azure-tools/typespec-azure-core 🟡 12.5ms 🟡 13.0ms +3.3%
 ↳ validation/@typespec/http 🟡 15.4ms 🟡 15.9ms +3.4%
 ↳ validation/@typespec/rest 🟢 1.6ms 🟢 1.6ms +0.1%
 ↳ validation/@typespec/versioning 🔴 50.9ms 🔴 51.6ms +1.3%
 ↳ validation/compiler 🟢 3.8ms 🟢 3.9ms +2.1%
linter 🟡 213.8ms 🟡 221.9ms +3.8%
 ↳ linter/@azure-tools/typespec-azure-core/auth-required 🟢 0.1ms 🟢 0.1ms +4.2%
 ↳ linter/@azure-tools/typespec-azure-core/bad-record-type 🟢 0.6ms 🟢 0.6ms -0.2%
 ↳ linter/@azure-tools/typespec-azure-core/byos 🟢 8.3ms 🟢 8.4ms +1.8%
 ↳ linter/@azure-tools/typespec-azure-core/casing-style 🟢 1.4ms 🟢 1.5ms +1.6%
 ↳ linter/@azure-tools/typespec-azure-core/composition-over-inheritance 🟢 0.2ms 🟢 0.2ms +0.3%
 ↳ linter/@azure-tools/typespec-azure-core/documentation-required 🟢 1.9ms 🟢 2.0ms +1.1%
 ↳ linter/@azure-tools/typespec-azure-core/friendly-name 🟢 1.4ms 🟢 1.4ms +2.2%
 ↳ linter/@azure-tools/typespec-azure-core/key-visibility-required 🟢 0.4ms 🟢 0.4ms +1.8%
 ↳ linter/@azure-tools/typespec-azure-core/known-encoding 🟢 0.5ms 🟢 0.5ms +4.9%
 ↳ linter/@azure-tools/typespec-azure-core/long-running-polling-operation-required 🟢 0.8ms 🟢 0.8ms +0.1%
 ↳ linter/@azure-tools/typespec-azure-core/no-case-mismatch 🟢 0.7ms 🟢 0.7ms -0.6%
 ↳ linter/@azure-tools/typespec-azure-core/no-closed-literal-union 🟢 1.0ms 🟢 1.0ms -1.6%
 ↳ linter/@azure-tools/typespec-azure-core/no-enum 🟢 0.2ms 🟢 0.2ms +0.8%
 ↳ linter/@azure-tools/typespec-azure-core/no-error-status-codes 🟢 0.3ms 🟢 0.3ms +1.8%
 ↳ linter/@azure-tools/typespec-azure-core/no-explicit-routes-resource-ops 🟢 0.2ms 🟢 0.2ms +0.3%
 ↳ linter/@azure-tools/typespec-azure-core/no-format 🟢 0.8ms 🟢 0.8ms +1.4%
 ↳ linter/@azure-tools/typespec-azure-core/no-generic-numeric 🟢 0.8ms 🟢 0.8ms +0.9%
 ↳ linter/@azure-tools/typespec-azure-core/no-header-explode 🔴 26.5ms 🔴 27.8ms +4.9%
 ↳ linter/@azure-tools/typespec-azure-core/no-legacy-usage 🟢 2.0ms 🟢 2.1ms +2.9%
 ↳ linter/@azure-tools/typespec-azure-core/no-multiple-discriminator 🟢 0.2ms 🟢 0.2ms +5.7%
 ↳ linter/@azure-tools/typespec-azure-core/no-nullable 🟢 0.4ms 🟢 0.4ms +2.5%
 ↳ linter/@azure-tools/typespec-azure-core/no-offsetdatetime 🟢 1.9ms 🟢 2.0ms +3.8%
 ↳ linter/@azure-tools/typespec-azure-core/no-openapi 🟢 2.3ms 🟢 2.3ms -0.2%
 ↳ linter/@azure-tools/typespec-azure-core/no-private-usage 🟢 3.1ms 🟢 3.2ms +1.4%
 ↳ linter/@azure-tools/typespec-azure-core/no-query-explode 🔴 27.7ms 🔴 28.9ms +4.5%
 ↳ linter/@azure-tools/typespec-azure-core/no-response-body 🔴 33.0ms 🔴 34.8ms +5.3% 🔴
 ↳ linter/@azure-tools/typespec-azure-core/no-rest-library-interfaces 🟢 0.1ms 🟢 0.1ms -0.9%
 ↳ linter/@azure-tools/typespec-azure-core/no-route-parameter-name-mismatch 🟢 7.6ms 🟢 8.0ms +5.0%
 ↳ linter/@azure-tools/typespec-azure-core/no-rpc-path-params 🟢 0.4ms 🟢 0.4ms +3.6%
 ↳ linter/@azure-tools/typespec-azure-core/no-string-discriminator 🟢 0.1ms 🟢 0.1ms +2.5%
 ↳ linter/@azure-tools/typespec-azure-core/no-unknown 🟢 0.3ms 🟢 0.4ms +2.6%
 ↳ linter/@azure-tools/typespec-azure-core/no-unnamed-union 🟢 0.8ms 🟢 0.8ms -0.4%
 ↳ linter/@azure-tools/typespec-azure-core/operation-missing-api-version 🟢 0.4ms 🟢 0.4ms -2.9%
 ↳ linter/@azure-tools/typespec-azure-core/request-body-problem 🟢 0.5ms 🟢 0.5ms +0.7%
 ↳ linter/@azure-tools/typespec-azure-core/require-versioned 🟢 0.1ms 🟢 0.1ms +2.5%
 ↳ linter/@azure-tools/typespec-azure-core/response-schema-problem 🔴 32.5ms 🔴 33.8ms +4.1%
 ↳ linter/@azure-tools/typespec-azure-core/rpc-operation-request-body 🟢 0.7ms 🟢 0.7ms +2.9%
 ↳ linter/@azure-tools/typespec-azure-core/spread-discriminated-model 🟢 0.5ms 🟢 0.5ms +1.0%
 ↳ linter/@azure-tools/typespec-azure-core/use-standard-names 🟢 7.5ms 🟢 7.9ms +4.6%
 ↳ linter/@azure-tools/typespec-azure-core/use-standard-operations 🟢 0.3ms 🟢 0.3ms +1.3%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-agent-base-type-child-resources 🔴 21.4ms 🔴 22.4ms +4.5%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-agent-base-type-lifecycle-operations 🟢 0.3ms 🟢 0.3ms +4.0%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-common-types-version 🟡 12.1ms 🟡 12.6ms +4.0%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-custom-resource-no-key 🟢 0.2ms 🟢 0.2ms +4.9%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-custom-resource-usage-discourage 🟢 0.1ms 🟢 0.1ms +1.8%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-delete-operation-response-codes 🟢 4.9ms 🟢 4.6ms -6.4%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-no-path-casing-conflicts 🟡 17.0ms 🟡 17.7ms +3.8%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-no-record 🟢 0.6ms 🟢 0.6ms +2.8%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-post-operation-response-codes 🟢 1.4ms 🟢 1.5ms +8.4%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-put-operation-response-codes 🟢 0.2ms 🟢 0.2ms -0.4%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-action-no-segment 🟢 0.4ms 🟢 0.5ms +2.7%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-duplicate-property 🟢 0.4ms 🟢 0.4ms +2.7%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-interface-requires-decorator 🟢 0.1ms 🟢 0.1ms +2.4%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-invalid-action-verb 🟢 0.2ms 🟢 0.2ms -0.7%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-invalid-envelope-property 🟢 0.3ms 🟢 0.3ms +7.0%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-invalid-version-format 🟢 0.2ms 🟢 0.2ms +2.3%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-key-invalid-chars 🟢 0.5ms 🟢 0.5ms +6.7%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-name-pattern 🟢 0.1ms 🟢 0.1ms +4.7%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-operation 🟢 0.5ms 🟢 0.6ms +4.3%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-operation-response 🟢 8.9ms 🟢 9.3ms +4.4%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-patch 🟢 0.8ms 🟢 0.8ms +0.6%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-path-segment-invalid-chars 🟢 0.4ms 🟢 0.4ms +3.1%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/arm-resource-provisioning-state 🟢 0.4ms 🟢 0.4ms +1.9%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/beyond-nesting-levels 🟢 0.2ms 🟢 0.2ms +5.0%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/empty-updateable-properties 🟢 0.4ms 🟢 0.4ms +4.8%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/improper-subscription-list-operation 🟢 0.1ms 🟢 0.1ms +6.2%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/lro-location-header 🟡 19.5ms 🔴 20.9ms +6.9% 🔴
 ↳ linter/@azure-tools/typespec-azure-resource-manager/missing-operations-endpoint 🟢 0.1ms 🟢 0.1ms +2.2%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/missing-x-ms-identifiers 🟢 1.0ms 🟢 1.0ms +1.6%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/no-empty-model 🟢 0.3ms 🟢 0.3ms +4.3%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/no-override-props 🟢 0.3ms 🟢 0.3ms +3.0%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/no-resource-delete-operation 🟢 0.5ms 🟢 0.5ms +5.2%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/no-response-body 🔴 29.7ms 🔴 31.7ms +6.6% 🔴
 ↳ linter/@azure-tools/typespec-azure-resource-manager/patch-envelope 🟢 0.4ms 🟢 0.4ms +4.6%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/resource-name 🟢 0.4ms 🟢 0.4ms +2.2%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/secret-prop 🟢 5.4ms 🟢 5.3ms -0.5%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/unsupported-type 🟢 0.7ms 🟢 0.7ms +1.4%
 ↳ linter/@azure-tools/typespec-azure-resource-manager/version-progression 🟢 0.3ms 🟢 0.3ms +0.2%
 ↳ linter/@azure-tools/typespec-client-generator-core/property-name-conflict 🟢 2.3ms 🟢 2.3ms +3.1%
 ↳ linter/@azure-tools/typespec-client-generator-core/require-client-suffix 🟢 1.7ms 🟢 1.7ms +2.3%
emit 🔴 6.01s 🔴 6.18s +2.9%
 ↳ emit/@Azure-Tools 🟢 0.0ms 🟢 0.0ms +0.0%
 ↳ emit/@azure-tools/typespec-autorest 🟢 124.4ms 🟢 127.5ms +2.5%
 ↳ emit/@azure-tools/typespec-python 🔴 2.24s 🔴 2.31s +3.0%
 ↳ emit/@typespec 🟢 0.0ms 🟢 0.0ms +0.0%
 ↳ emit/@typespec/http-client-js 🔴 566.7ms 🔴 582.9ms +2.9%
 ↳ emit/@typespec/openapi3 🟢 106.9ms 🟢 110.4ms +3.2%
 ↳ emit/@typespec/openapi3/compute 🟢 92.9ms 🟢 95.7ms +3.1%
 ↳ emit/@typespec/openapi3/write 🟢 13.8ms 🟢 14.3ms +4.1%

Averaged across 3 specs (azure-arm-resource-manager, azure-core-dataplane, azure-full).
Threshold: changes > ±5% are highlighted.
🟢 Fast · 🟡 Moderate (stages >200ms, rules >10ms) · 🔴 Slow (stages >400ms, rules >20ms)

Merge the three rule-guidance tables into one table sorted alphabetically by rule name, with an added LintDiff column and duplicate rules included only once.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

meta:website TypeSpec.io updates

Projects

None yet

Development

Successfully merging this pull request may close these issues.

1 participant