feature(itype) add suppor of null (#1)

coderaiser · Dec 13, 2019 · 9cb378b · 9cb378b
1 parent 364c811
commit 9cb378b
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Showing 2 changed files with 22 additions and 2 deletions.
diff --git a/lib/itype.js b/lib/itype.js
@@ -30,12 +30,12 @@ function TypeProto() {
         return typeof variable === name;
     }
 
-    ['arrayBuffer', 'file', 'array', 'object']
+    ['null', 'arrayBuffer', 'file', 'array', 'object']
         .forEach((name) => {
             type[name] = typeOf.bind(null, name);
         });
 
-    ['null', 'string', 'undefined', 'boolean', 'number', 'function']
+    ['string', 'undefined', 'boolean', 'number', 'function']
         .forEach((name) => {
             type[name] = typeOfSimple.bind(null, name);
         });

diff --git a/test/itype.js b/test/itype.js
@@ -33,3 +33,23 @@ test('itype.boolean: false', (t) => {
     t.end();
 });
 
+
+test('itype.undefined: true', (t) => {
+    t.ok(itype.undefined(undefined), 'should return true');
+    t.end();
+});
+
+test('itype.undefined: false', (t) => {
+    t.notOk(itype.undefined(null), 'should return false');
+    t.end();
+});
+
+test('itype.null: true', (t) => {
+    t.ok(itype.null(null), 'should return true');
+    t.end();
+});
+
+test('itype.null: false', (t) => {
+    t.notOk(itype.null(undefined), 'should return false');
+    t.end();
+});