Fix formatAbiItem (#254)

* fix: don't throw if are undefined * tests: test-case to demonstrate * refactor: format * chore: tweaks --------- Co-authored-by: Tom Meagher <tom@meagher.co>
wevm · Dec 3, 2024 · 473abee · 473abee
1 parent f417a23
commit 473abee
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diff --git a/packages/abitype/src/human-readable/formatAbiItem.test.ts b/packages/abitype/src/human-readable/formatAbiItem.test.ts
@@ -71,6 +71,32 @@ test.each([
     } as const,
     expected: 'receive() external payable',
   },
+  {
+    abiItem: {
+      type: 'function',
+      name: 'initWormhole',
+      inputs: [
+        {
+          type: 'tuple[]',
+          name: 'configs',
+          components: [
+            {
+              type: 'uint256',
+              name: 'chainId',
+            },
+            {
+              type: 'uint16',
+              name: 'wormholeChainId',
+            },
+          ],
+        },
+      ],
+      outputs: [],
+      stateMutability: 'nonpayable',
+    } as const,
+    expected:
+      'function initWormhole((uint256 chainId, uint16 wormholeChainId)[] configs)',
+  },
 ])('formatAbiItem($expected)', ({ abiItem, expected }) => {
   expect(formatAbiItem(abiItem)).toEqual(expected)
 })
diff --git a/packages/abitype/src/human-readable/formatAbiItem.ts b/packages/abitype/src/human-readable/formatAbiItem.ts
@@ -112,7 +112,7 @@ export function formatAbiItem<const abiItem extends Abi[number]>(
         ? ` ${abiItem.stateMutability}`
         : ''
     }${
-      abiItem.outputs.length
+      abiItem.outputs?.length
         ? ` returns (${formatAbiParameters(abiItem.outputs as Params)})`
         : ''
     }`