Interface: ChecksOptions

Defined in: options/generated/checks-options.ts:4

Properties

cannotCallNamespace?

• Type: optional cannotCallNamespace: boolean

Defined in: options/generated/checks-options.ts:93

Whether to emit warnings when a namespace is called as a function

A module namespace object is an object and not a function. Calling it as a function will cause a runtime error.

Default

true

---

circularDependency?

• Type: optional circularDependency: boolean

Defined in: options/generated/checks-options.ts:11

Whether to emit warnings when detecting circular dependency

Circular dependencies lead to a bigger bundle size and sometimes cause execution order issues and are better to avoid.

Default

false

---

commonJsVariableInEsm?

• Type: optional commonJsVariableInEsm: boolean

Defined in: options/generated/checks-options.ts:69

Whether to emit warnings when a CommonJS variable is used in an ES module

CommonJS variables like module and exports are treated as global variables in ES modules and may not work as expected.

Default

true

---

configurationFieldConflict?

• Type: optional configurationFieldConflict: boolean

Defined in: options/generated/checks-options.ts:99

Whether to emit warnings when a config value is overridden by another config value with a higher priority

Default

true

---

couldNotCleanDirectory?

• Type: optional couldNotCleanDirectory: boolean

Defined in: options/generated/checks-options.ts:115

Whether to emit warnings when Rolldown could not clean the output directory

See output.cleanDir.

Default

true

---

emptyImportMeta?

• Type: optional emptyImportMeta: boolean

Defined in: options/generated/checks-options.ts:85

Whether to emit warnings when import.meta is not supported with the output format and is replaced with an empty object ({})

See import.meta in Non-ESM Output Formats page for more details.

Default

true

---

eval?

• Type: optional eval: boolean

Defined in: options/generated/checks-options.ts:19

Whether to emit warnings when detecting uses of direct evals

See Avoiding Direct eval in Troubleshooting page for more details.

Default

true

---

filenameConflict?

• Type: optional filenameConflict: boolean

Defined in: options/generated/checks-options.ts:61

Whether to emit warnings when files generated have the same name with different contents

Default

true

---

importIsUndefined?

• Type: optional importIsUndefined: boolean

Defined in: options/generated/checks-options.ts:77

Whether to emit warnings when an imported variable is not exported

If the code is importing a variable that is not exported by the imported module, the value will always be undefined. This might be a mistake in the code.

Default

true

---

missingGlobalName?

• Type: optional missingGlobalName: boolean

Defined in: options/generated/checks-options.ts:27

Whether to emit warnings when the output.globals option is missing when needed

See output.globals.

Default

true

---

missingNameOptionForIifeExport?

• Type: optional missingNameOptionForIifeExport: boolean

Defined in: options/generated/checks-options.ts:35

Whether to emit warnings when the output.name option is missing when needed

See output.name.

Default

true

---

mixedExports?

• Type: optional mixedExports: boolean

Defined in: options/generated/checks-options.ts:43

Whether to emit warnings when the way to export values is ambiguous

See output.exports.

Default

true

---

pluginTimings?

• Type: optional pluginTimings: boolean

Defined in: options/generated/checks-options.ts:121

Whether to emit warnings when plugins take significant time during the build process

Default

true

---

preferBuiltinFeature?

• Type: optional preferBuiltinFeature: boolean

Defined in: options/generated/checks-options.ts:107

Whether to emit warnings when a plugin that is covered by a built-in feature is used

Using built-in features is generally more performant than using plugins.

Default

true

---

unresolvedEntry?

• Type: optional unresolvedEntry: boolean

Defined in: options/generated/checks-options.ts:49

Whether to emit warnings when an entrypoint cannot be resolved

Default

true

---

unresolvedImport?

• Type: optional unresolvedImport: boolean

Defined in: options/generated/checks-options.ts:55

Whether to emit warnings when an import cannot be resolved

Default

true