Merge pull request #875 from itsLuuke/fix/optional-tgWebAppThemeParams-launch-params

heyqbnk · web-flow · commit ac7192d47e2d · 2026-06-20T13:49:27.000+03:00
fix: default tgWebAppThemeParams to empty object when missing from launch params
diff --git a/.changeset/sour-moose-pull.md b/.changeset/sour-moose-pull.md
@@ -0,0 +1,5 @@
+---
+"@tma.js/transformers": minor
+---
+
+fix: default tgWebAppThemeParams to empty object when missing from launch params
diff --git a/packages/transformers/src/structures.ts b/packages/transformers/src/structures.ts
@@ -130,7 +130,7 @@ export function launchParams() {
     tgWebAppPlatform: string(),
     tgWebAppShowSettings: optBool,
     tgWebAppStartParam: optional(string()),
-    tgWebAppThemeParams: pipeJsonToSchema(themeParams()),
+    tgWebAppThemeParams: optional(pipeJsonToSchema(themeParams()), {}),
     tgWebAppVersion: string(),
   } satisfies { [K in keyof LaunchParams]-?: BaseSchema<any, LaunchParams[K], any> });
 }

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +"@tma.js/transformers": minor
 +---
++
 +fix: default tgWebAppThemeParams to empty object when missing from launch params
Original file line number	Diff line number	Diff line change
`@@ -130,7 +130,7 @@ export function launchParams() {`
`130`	`130`	`tgWebAppPlatform: string(),`
`131`	`131`	`tgWebAppShowSettings: optBool,`
`132`	`132`	`tgWebAppStartParam: optional(string()),`
`133`		`- tgWebAppThemeParams: pipeJsonToSchema(themeParams()),`
	`133`	`+ tgWebAppThemeParams: optional(pipeJsonToSchema(themeParams()), {}),`
`134`	`134`	`tgWebAppVersion: string(),`
`135`	`135`	`} satisfies { [K in keyof LaunchParams]-?: BaseSchema<any, LaunchParams[K], any> });`
`136`	`136`	`}`