feat(min_safe_integer): return default when number is less than Numbe…

…r.MIN_SAFE_INTEGER
jojoee · Oct 18, 2021 · c582562 · c582562
1 parent d4c8af8
commit c582562
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Showing 2 changed files with 13 additions and 4 deletions.
diff --git a/src/index.js b/src/index.js
@@ -81,8 +81,10 @@ function bahttext (num) {
   if (typeof num === 'boolean') return defaultResult
   // must be number only
   if (isNaN(Number(num))) return defaultResult
+  // not less than Number.MIN_SAFE_INTEGER
+  if (num < Number.MIN_SAFE_INTEGER) return defaultResult
   // no more than Number.MAX_SAFE_INTEGER
-  if (num >= Number.MAX_SAFE_INTEGER) return defaultResult
+  if (num > Number.MAX_SAFE_INTEGER) return defaultResult
 
   // set
   const positiveNum = Math.abs(num)

diff --git a/src/index.test.js b/src/index.test.js
@@ -20,10 +20,17 @@ describe('misc', () => {
     expect(bahttext('it-must-be-number-only')).toBe(zeroText)
   })
 
+  test('less than Number.MIN_SAFE_INTEGER', () => {
+    const items = [1, 20, 9451, 5656549]
+    for (let i = 0; i < items.length; i++) {
+      expect(bahttext(Number.MIN_SAFE_INTEGER - items[i])).toBe(defaultResult)
+    }
+  })
+
   test('more than Number.MAX_SAFE_INTEGER', () => {
-    const additions = [1, 20, 9451, 5656549]
-    for (let i = 0; i < additions.length; i++) {
-      expect(bahttext(Number.MAX_SAFE_INTEGER + additions[i])).toBe(defaultResult)
+    const items = [1, 20, 9451, 5656549]
+    for (let i = 0; i < items.length; i++) {
+      expect(bahttext(Number.MAX_SAFE_INTEGER + items[i])).toBe(defaultResult)
     }
   })
 })