fix TypeScript NPE type warning

esbena · esbena · commit 3847055a3038 · 2021-10-25T21:22:43.000+02:00
diff --git a/src/config-utils.ts b/src/config-utils.ts
@@ -1174,7 +1174,7 @@ function shouldCombinePacks(packsInput?: string): boolean {
 function combinePacks(packs1: Packs, packs2: Packs): Packs {
   const packs = {};
   for (const lang of Object.keys(packs1)) {
-    packs[lang] = packs1[lang].concat(packs2[lang] || []);
+    packs[lang] = packs1[lang]?.concat(packs2[lang] || []);
   }
   for (const lang of Object.keys(packs2)) {
     if (!packs[lang]) {

Original file line number	Diff line number	Diff line change
`@@ -1174,7 +1174,7 @@ function shouldCombinePacks(packsInput?: string): boolean {`
`1174`	`1174`	`function combinePacks(packs1: Packs, packs2: Packs): Packs {`
`1175`	`1175`	`const packs = {};`
`1176`	`1176`	`for (const lang of Object.keys(packs1)) {`
`1177`		`- packs[lang] = packs1[lang].concat(packs2[lang] \|\| []);`
	`1177`	`+ packs[lang] = packs1[lang]?.concat(packs2[lang] \|\| []);`
`1178`	`1178`	`}`
`1179`	`1179`	`for (const lang of Object.keys(packs2)) {`
`1180`	`1180`	`if (!packs[lang]) {`