diff --git a/packages/components/CHANGELOG.md b/packages/components/CHANGELOG.md
index d2580e0b009b5f..9fbe3257e26564 100644
--- a/packages/components/CHANGELOG.md
+++ b/packages/components/CHANGELOG.md
@@ -14,6 +14,7 @@
 
 -   `LinkedButton`: remove unnecessary `span` tag ([#46063](https://github.com/WordPress/gutenberg/pull/46063))
 -   NumberControl: refactor styles/tests/stories to TypeScript, replace fireEvent with user-event ([#45990](https://github.com/WordPress/gutenberg/pull/45990)).
+-   `useBaseField`: Convert to TypeScript ([#45712](https://github.com/WordPress/gutenberg/pull/45712)).
 
 ## 22.1.0 (2022-11-16)
 
diff --git a/packages/components/src/base-field/README.md b/packages/components/src/base-field/README.md
index 228cd328429242..53a7cd0fc53aea 100644
--- a/packages/components/src/base-field/README.md
+++ b/packages/components/src/base-field/README.md
@@ -12,37 +12,25 @@ This feature is still experimental. “Experimental” means this is an early im
 
 ```js
 function useExampleField( props ) {
-	const { 
-		as = 'input',
-		...baseProps,
-	} = useBaseField( props );
+	const { as = 'input', ...baseProps } = useBaseField( props );
 
 	const inputProps = {
 		as,
 		// more cool stuff here
-	}
+	};
 
 	return { inputProps, ...baseProps };
 }
 
 function ExampleField( props, forwardRef ) {
-	const {
-		preFix,
-		affix,
-		disabled,
-		inputProps,
-		...baseProps
-	} = useExampleField( props );
+	const { preFix, affix, disabled, inputProps, ...baseProps } =
+		useExampleField( props );
 
 	return (
 		<View { ...baseProps } disabled={ disabled }>
-			{preFix}
-			<View
-				autocomplete="off"
-				{ ...inputProps }
-				disabled={ disabled }
-			/>
-			{affix}
+			{ preFix }
+			<View autocomplete="off" { ...inputProps } disabled={ disabled } />
+			{ affix }
 		</View>
 	);
 }
@@ -50,18 +38,29 @@ function ExampleField( props, forwardRef ) {
 
 ## Props
 
+### `disabled`: `boolean`
+
+Whether the field is disabled.
+
+-   Required: No
+
 ### `hasError`: `boolean`
 
 Renders an error style around the component.
 
-### `disabled`: `boolean`
-
-Whether the field is disabled.
+-   Required: No
+-   Default: `false`
 
 ### `isInline`: `boolean`
 
 Renders a component that can be inlined in some text.
 
+-   Required: No
+-   Default: `false`
+
 ### `isSubtle`: `boolean`
 
 Renders a subtle variant of the component.
+
+-   Required: No
+-   Default: `false`
diff --git a/packages/components/src/base-field/hook.js b/packages/components/src/base-field/hook.ts
similarity index 63%
rename from packages/components/src/base-field/hook.js
rename to packages/components/src/base-field/hook.ts
index afaa9e56f74b02..9e3ae89b33fa5f 100644
--- a/packages/components/src/base-field/hook.js
+++ b/packages/components/src/base-field/hook.ts
@@ -6,26 +6,16 @@ import { useMemo } from '@wordpress/element';
 /**
  * Internal dependencies
  */
-import { useContextSystem } from '../ui/context';
+import { useContextSystem, WordPressComponentProps } from '../ui/context';
 import { useControlGroupContext } from '../ui/control-group';
 import { useFlex } from '../flex';
 import * as styles from './styles';
 import { useCx } from '../utils/hooks/use-cx';
+import type { BaseFieldProps } from './types';
 
-/**
- * @typedef OwnProps
- * @property {boolean} [hasError=false] Renders an error.
- * @property {boolean} [disabled]       Whether the field is disabled.
- * @property {boolean} [isInline=false] Renders as an inline element (layout).
- * @property {boolean} [isSubtle=false] Renders a subtle variant.
- */
-
-/** @typedef {import('../flex/types').FlexProps & OwnProps} Props */
-
-/**
- * @param {import('../ui/context').WordPressComponentProps<Props, 'div'>} props
- */
-export function useBaseField( props ) {
+export function useBaseField(
+	props: WordPressComponentProps< BaseFieldProps, 'div' >
+) {
 	const {
 		className,
 		hasError = false,
diff --git a/packages/components/src/base-field/index.js b/packages/components/src/base-field/index.ts
similarity index 100%
rename from packages/components/src/base-field/index.js
rename to packages/components/src/base-field/index.ts
diff --git a/packages/components/src/base-field/styles.js b/packages/components/src/base-field/styles.ts
similarity index 100%
rename from packages/components/src/base-field/styles.js
rename to packages/components/src/base-field/styles.ts
diff --git a/packages/components/src/base-field/test/__snapshots__/index.js.snap b/packages/components/src/base-field/test/__snapshots__/index.tsx.snap
similarity index 100%
rename from packages/components/src/base-field/test/__snapshots__/index.js.snap
rename to packages/components/src/base-field/test/__snapshots__/index.tsx.snap
diff --git a/packages/components/src/base-field/test/index.js b/packages/components/src/base-field/test/index.tsx
similarity index 83%
rename from packages/components/src/base-field/test/index.js
rename to packages/components/src/base-field/test/index.tsx
index 871bd8b3f595ee..5ac4a70d16e84d 100644
--- a/packages/components/src/base-field/test/index.js
+++ b/packages/components/src/base-field/test/index.tsx
@@ -8,9 +8,10 @@ import { render, screen } from '@testing-library/react';
  */
 import { useBaseField } from '../index';
 import { View } from '../../view';
+import type { BaseFieldProps } from '../types';
 
-const TestField = ( props ) => {
-	return <View { ...useBaseField( props ) } />;
+const TestField = ( props: Omit< BaseFieldProps, 'children' > ) => {
+	return <View { ...useBaseField( { ...props, children: '' } ) } />;
 };
 
 describe( 'base field', () => {
@@ -62,10 +63,14 @@ describe( 'base field', () => {
 			// wrap this in a component so that `useContext` calls don't fail inside the hook
 			// assertions will still run as normal when we `render` the component :)
 			const Component = () => {
-				const disabled = Symbol.for( 'disabled' );
-				const defaultValue = Symbol.for( 'defaultValue' );
+				const disabled = true;
+				const defaultValue = 'Lorem ipsum';
 
-				const result = useBaseField( { disabled, defaultValue } );
+				const result = useBaseField( {
+					disabled,
+					defaultValue,
+					children: '',
+				} );
 
 				expect( result.disabled ).toBe( disabled );
 				expect( result.defaultValue ).toBe( defaultValue );
diff --git a/packages/components/src/base-field/types.ts b/packages/components/src/base-field/types.ts
new file mode 100644
index 00000000000000..1a6e4378fcd7fc
--- /dev/null
+++ b/packages/components/src/base-field/types.ts
@@ -0,0 +1,29 @@
+/**
+ * Internal dependencies
+ */
+import type { FlexProps } from '../flex/types';
+
+export type BaseFieldProps = FlexProps & {
+	/**
+	 * Whether the field is disabled.
+	 */
+	disabled?: boolean;
+	/**
+	 * Renders an error style around the component.
+	 *
+	 * @default false
+	 */
+	hasError?: boolean;
+	/**
+	 * Renders a component that can be inlined in some text.
+	 *
+	 * @default false
+	 */
+	isInline?: boolean;
+	/**
+	 * Renders a subtle variant of the component.
+	 *
+	 * @default false
+	 */
+	isSubtle?: boolean;
+};