From 2d6766f096d2d5a23dced21438dbfb4b1abff45d Mon Sep 17 00:00:00 2001
From: Tsu-ba-me <ynho.li.aa.e@gmail.com>
Date: Thu, 4 Aug 2022 22:00:00 -0400
Subject: [PATCH] fix(striker-ui): add testLength() and make test defaults
 optional

---
 striker-ui/lib/test_input/testInput.ts  |  2 +-
 striker-ui/lib/test_input/testLength.ts | 23 +++++++++++++++++++++++
 striker-ui/types/TestInputFunction.ts   |  4 ++--
 3 files changed, 26 insertions(+), 3 deletions(-)
 create mode 100644 striker-ui/lib/test_input/testLength.ts

diff --git a/striker-ui/lib/test_input/testInput.ts b/striker-ui/lib/test_input/testInput.ts
index 9f73ea1b..c70bc5e0 100644
--- a/striker-ui/lib/test_input/testInput.ts
+++ b/striker-ui/lib/test_input/testInput.ts
@@ -55,7 +55,7 @@ const testInput: TestInputFunction = ({
         min: dMin = 0,
         onSuccess: dOnSuccess,
         value: dValue = null,
-      },
+      } = {},
       onFinishBatch,
       optionalTests,
       tests: requiredTests,
diff --git a/striker-ui/lib/test_input/testLength.ts b/striker-ui/lib/test_input/testLength.ts
new file mode 100644
index 00000000..cb0d3a42
--- /dev/null
+++ b/striker-ui/lib/test_input/testLength.ts
@@ -0,0 +1,23 @@
+import { MinimalInputTestArgs } from '../../types/TestInputFunction';
+
+const testLength: (
+  args: Pick<MinimalInputTestArgs, 'value'> &
+    Partial<Pick<MinimalInputTestArgs, 'max' | 'min'>>,
+) => boolean = ({ max, min, value }) => {
+  const { length } = String(value);
+
+  let isGEMin = true;
+  let isLEMax = true;
+
+  if (min) {
+    isGEMin = length >= min;
+  }
+
+  if (max) {
+    isLEMax = length <= max;
+  }
+
+  return isGEMin && isLEMax;
+};
+
+export default testLength;
diff --git a/striker-ui/types/TestInputFunction.ts b/striker-ui/types/TestInputFunction.ts
index fe59aa89..36f4a983 100644
--- a/striker-ui/types/TestInputFunction.ts
+++ b/striker-ui/types/TestInputFunction.ts
@@ -18,8 +18,8 @@ export type InputTest = {
 
 export type InputTestBatches = {
   [id: string]: {
-    defaults: InputTestArgs & {
-      onSuccess: () => void;
+    defaults?: InputTestArgs & {
+      onSuccess?: () => void;
     };
     onFinishBatch?: () => void;
     optionalTests?: Array<InputTest>;