Check for empty string

fern-api · Jan 11, 2023 · 3425ae7 · 3425ae7
1 parent f0003d7
commit 3425ae7
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Showing 3 changed files with 10 additions and 3 deletions.
diff --git a/dist/index.js b/dist/index.js
diff --git a/dist/index.js.map b/dist/index.js.map
diff --git a/src/main.ts b/src/main.ts
@@ -141,11 +141,15 @@ async function run(): Promise<void> {
 
 function getStringInputOrThrow(key: string): string {
     const input: unknown = core.getInput(key);
-    if (input == null) {
+    if (input == null || isEmptyString(input)) {
         throw new Error(`${key} is not defined.`);
     }
     if (typeof input !== "string") {
         throw new Error(`${key} is not a string.`);
     }
     return input;
 }
+
+function isEmptyString(value: unknown): boolean {
+    return typeof value === "string" && value.length === 0;
+}