feat: adding support for passing headers to proxies

Author: corymsmith

README.md

@@ -215,6 +215,7 @@ const PlaceDetailsExample = () => {
 | onBlur | (event: NativeSyntheticEvent<TextInputFocusEventData>) => void | No | - | Callback when input is blurred |
 | **Search Configuration** |
 | proxyUrl | string | No | - | Custom proxy URL for API requests (Required for Expo web) |
+| proxyHeaders | object | No | - | Headers to pass to the proxy (ex. { Authorization: 'Bearer AUTHTOKEN' } ) |
 | languageCode | string | No | - | Language code (e.g., 'en', 'fr') |
 | includedRegionCodes | string[] | No | - | Array of region codes to filter results |
 | types | string[] | No | [] | Array of place types to filter |
@@ -224,6 +225,7 @@ const PlaceDetailsExample = () => {
 | **Place Details Configuration** |
 | fetchDetails | boolean | No | false | Automatically fetch place details when a place is selected |
 | detailsProxyUrl | string | No | null | Custom proxy URL for place details requests (Required on Expo web)|
+| detailsProxyHeaders | object | No | - | Headers to pass to the place details proxy (ex. { Authorization: 'Bearer AUTHTOKEN' } ) |
 | detailsFields | string[] | No | ['displayName', 'formattedAddress', 'location', 'id'] | Array of fields to include in the place details response. see [Valid Fields](https://developers.google.com/maps/documentation/places/web-service/place-details#fieldmask) |
 | **UI Customization** |
 | showLoadingIndicator | boolean | No | true | Show loading spinner during API requests |

src/GooglePlacesTextInput.tsx

@@ -100,6 +100,7 @@ interface GooglePlacesTextInputProps extends TextInputInheritedProps {
   value?: string;
   placeHolderText?: string;
   proxyUrl?: string;
+  proxyHeaders?: Record<string, string>;
   languageCode?: string;
   includedRegionCodes?: string[];
   types?: string[];
@@ -118,6 +119,7 @@ interface GooglePlacesTextInputProps extends TextInputInheritedProps {
   nestedScrollEnabled?: boolean;
   fetchDetails?: boolean;
   detailsProxyUrl?: string | null;
+  detailsProxyHeaders?: Record<string, string>;
   detailsFields?: string[];
   onError?: (error: any) => void;
   enableDebug?: boolean;
@@ -145,6 +147,7 @@ const GooglePlacesTextInput = forwardRef<
       value,
       placeHolderText,
       proxyUrl,
+      proxyHeaders = null,
       languageCode,
       includedRegionCodes,
       types = [],
@@ -163,6 +166,7 @@ const GooglePlacesTextInput = forwardRef<
       nestedScrollEnabled = true,
       fetchDetails = false,
       detailsProxyUrl = null,
+      detailsProxyHeaders = null,
       detailsFields = [],
       onError,
       enableDebug = false,
@@ -271,6 +275,7 @@ const GooglePlacesTextInput = forwardRef<
         text,
         apiKey: apiKey ? '[PROVIDED]' : '[MISSING]', // ✅ Security fix
         proxyUrl,
+        proxyHeaders,
         sessionToken,
         languageCode,
         includedRegionCodes,
@@ -294,6 +299,7 @@ const GooglePlacesTextInput = forwardRef<
           text,
           apiKey,
           proxyUrl,
+          proxyHeaders,
           sessionToken,
           languageCode,
           includedRegionCodes,
@@ -330,6 +336,7 @@ const GooglePlacesTextInput = forwardRef<
         placeId,
         apiKey: apiKey ? '[PROVIDED]' : '[MISSING]', // ✅ Security fix
         detailsProxyUrl,
+        detailsProxyHeaders,
         sessionToken,
         languageCode,
         detailsFields,

src/services/googlePlacesApi.ts

@@ -6,6 +6,7 @@ interface FetchPredictionsParams {
   text: string;
   apiKey?: string;
   proxyUrl?: string;
+  proxyHeaders?: Record<string, string> | null;
   sessionToken?: string | null;
   languageCode?: string;
   includedRegionCodes?: string[];
@@ -17,6 +18,7 @@ interface FetchPlaceDetailsParams {
   placeId: string;
   apiKey?: string;
   detailsProxyUrl?: string | null;
+  detailsProxyHeaders?: Record<string, string> | null;
   sessionToken?: string | null;
   languageCode?: string;
   detailsFields?: string[];
@@ -39,6 +41,7 @@ export const fetchPredictions = async ({
   text,
   apiKey,
   proxyUrl,
+  proxyHeaders,
   sessionToken,
   languageCode,
   includedRegionCodes,
@@ -57,6 +60,12 @@ export const fetchPredictions = async ({
       'Content-Type': 'application/json',
     };
 
+    if (proxyUrl && proxyHeaders) {
+      Object.entries(proxyHeaders).forEach(([key, value]) => {
+        headers[key] = value;
+      });
+    }
+
     if (apiKey) {
       headers['X-Goog-Api-Key'] = apiKey;
     }
@@ -96,6 +105,7 @@ export const fetchPlaceDetails = async ({
   placeId,
   apiKey,
   detailsProxyUrl,
+  detailsProxyHeaders,
   sessionToken,
   languageCode,
   detailsFields = [],
@@ -113,6 +123,12 @@ export const fetchPlaceDetails = async ({
       'Content-Type': 'application/json',
     };
 
+    if (detailsProxyUrl && detailsProxyHeaders) {
+      Object.entries(detailsProxyHeaders).forEach(([key, value]) => {
+        headers[key] = value;
+      });
+    }
+
     if (apiKey) {
       headers['X-Goog-Api-Key'] = apiKey;
     }