cherrypick/packages/backend/biome.json

{
	"$schema": "https://biomejs.dev/schemas/1.8.3/schema.json",
	"organizeImports": { "enabled": true },
	"linter": {
		"enabled": true,
		"rules": {
			"recommended": false,
			"complexity": {
				"noBannedTypes": "error",
				"noExtraBooleanCast": "error",
				"noMultipleSpacesInRegularExpressionLiterals": "error",
				"noUselessCatch": "error",
				"noUselessTypeConstraint": "error",
				"noWith": "error"
			},
			"correctness": {
				"noConstAssign": "error",
				"noConstantCondition": "warn",
				"noEmptyCharacterClassInRegex": "error",
				"noEmptyPattern": "warn",
				"noGlobalObjectCalls": "error",
				"noInnerDeclarations": "off",
				"noInvalidConstructorSuper": "error",
				"noNewSymbol": "error",
				"noNonoctalDecimalEscape": "error",
				"noPrecisionLoss": "error",
				"noSelfAssign": "error",
				"noSetterReturn": "error",
				"noSwitchDeclarations": "error",
				"noUndeclaredVariables": "error",
				"noUnreachable": "error",
				"noUnreachableSuper": "error",
				"noUnsafeFinally": "error",
				"noUnsafeOptionalChaining": "error",
				"noUnusedLabels": "error",
				"noUnusedVariables": "error",
				"useArrayLiterals": "off",
				"useIsNan": "error",
				"useValidForDirection": "error",
				"useYield": "error"
			},
			"style": {
				"noDefaultExport": "warn",
				"noInferrableTypes": "warn",
				"noNamespace": "error",
				"noNonNullAssertion": "warn",
				"noParameterAssign": "warn",
				"noRestrictedGlobals": {
					"level": "error",
					"options": { "deniedGlobals": ["__dirname", "__filename"] }
				},
				"noVar": "error",
				"useAsConstAssertion": "error"
			},
			"suspicious": {
				"noAsyncPromiseExecutor": "off",
				"noCatchAssign": "error",
				"noClassAssign": "error",
				"noCompareNegZero": "error",
				"noControlCharactersInRegex": "warn",
				"noDebugger": "error",
				"noDoubleEquals": "error",
				"noDuplicateCase": "error",
				"noDuplicateClassMembers": "error",
				"noDuplicateObjectKeys": "error",
				"noDuplicateParameters": "error",
				"noEmptyBlockStatements": "off",
				"noExplicitAny": "warn",
				"noExtraNonNullAssertion": "error",
				"noFallthroughSwitchClause": "error",
				"noFunctionAssign": "error",
				"noGlobalAssign": "error",
				"noImportAssign": "error",
				"noMisleadingCharacterClass": "error",
				"noMisleadingInstantiator": "error",
				"noPrototypeBuiltins": "error",
				"noRedeclare": "error",
				"noShadowRestrictedNames": "error",
				"noUnsafeDeclarationMerging": "error",
				"noUnsafeNegation": "error",
				"useGetterReturn": "error",
				"useValidTypeof": "error"
			}
		},
		"ignore": [
			"**/node_modules",
			"built",
			"@types/**/*",
			"migration"
		]
	},
	"overrides": [
		{
			"include": ["*.ts", "*.tsx", "*.mts", "*.cts"],
			"linter": {
				"rules": {
					"correctness": {
						"noConstAssign": "off",
						"noGlobalObjectCalls": "off",
						"noInvalidConstructorSuper": "off",
						"noInvalidNewBuiltin": "off",
						"noNewSymbol": "off",
						"noSetterReturn": "off",
						"noUndeclaredVariables": "off",
						"noUnreachable": "off",
						"noUnreachableSuper": "off"
					},
					"style": {
						"noArguments": "error",
						"noVar": "error",
						"useConst": "error"
					},
					"suspicious": {
						"noDuplicateClassMembers": "off",
						"noDuplicateObjectKeys": "off",
						"noDuplicateParameters": "off",
						"noFunctionAssign": "off",
						"noImportAssign": "off",
						"noRedeclare": "off",
						"noUnsafeNegation": "off",
						"useGetterReturn": "off"
					}
				}
			}
		}
	]
}