fix: Accept null inputs in curried functions

oftherivier · May 1, 2020 · 10a658f · 10a658f
1 parent c279c9e
commit 10a658f
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Showing 3 changed files with 3 additions and 4 deletions.
diff --git a/join.js b/join.js
@@ -1,9 +1,7 @@
 var tuple = require('./tuple')
 
 function join(a, b, c) {
-  return a != null && b != null && c == null
-    ? joinCurried(a, b)
-    : joinMain(a, b, c)
+  return b != null && c == null ? joinCurried(a, b) : joinMain(a, b, c)
 }
 
 function joinMain(id, joiner, makerFns) {

diff --git a/tests/fictional.test.js b/tests/fictional.test.js
@@ -54,6 +54,7 @@ tap.test('consistency', t => {
 tap.test('curried makers', t => {
   for (const [fn, ...args] of curriedMakerDefs) {
     t.deepEquals(fn(23, ...args), fn(...args)(23))
+    t.deepEquals(fn(null, ...args), fn(...args)(null))
   }
 
   t.end()

diff --git a/tuple.js b/tuple.js
@@ -1,7 +1,7 @@
 var hash = require('./hash')
 
 function tuple(a, b) {
-  return a != null && b != null ? tupleMain(a, b) : tupleCurried(a)
+  return b != null ? tupleMain(a, b) : tupleCurried(a)
 }
 
 function tupleMain(input, fns) {