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url: /reference/Interface.TsconfigCompilerOptions.md
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# Interface: TsconfigCompilerOptions

TypeScript compiler options for inline tsconfig configuration.

## Properties

### emitDecoratorMetadata?

* **Type**: `boolean`
* **Optional**

Enables decorator metadata emission.

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### experimentalDecorators?

* **Type**: `boolean`
* **Optional**

Enables experimental decorators.

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### ~~importsNotUsedAsValues?~~

* **Type**: `"error"` | `"preserve"` | `"remove"`
* **Optional**

#### Deprecated

Use verbatimModuleSyntax instead.

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### jsx?

* **Type**: `"react"` | `"react-jsx"` | `"preserve"` | `"react-jsxdev"` | `"react-native"`
* **Optional**

Specifies the JSX factory function to use.

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### jsxFactory?

* **Type**: `string`
* **Optional**

Specifies the JSX factory function.

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### jsxFragmentFactory?

* **Type**: `string`
* **Optional**

Specifies the JSX fragment factory function.

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### jsxImportSource?

* **Type**: `string`
* **Optional**

Specifies the module specifier for JSX imports.

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### ~~preserveValueImports?~~

* **Type**: `boolean`
* **Optional**

#### Deprecated

Use verbatimModuleSyntax instead.

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### strict?

* **Type**: `boolean`
* **Optional**

Enables all strict type-checking options. Used as the fallback for `strictNullChecks`.

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### strictNullChecks?

* **Type**: `boolean`
* **Optional**

Enables strict null checks. Controls whether `null`/`undefined` are elided from
nullable-union `design:type` decorator metadata.

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### target?

* **Type**: `string`
* **Optional**

The ECMAScript target version.

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### useDefineForClassFields?

* **Type**: `boolean`
* **Optional**

Configures how class fields are emitted.

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### verbatimModuleSyntax?

* **Type**: `boolean`
* **Optional**

Preserves module structure of imports/exports.