summaryrefslogtreecommitdiffstats
path: root/js/src/builtin/Map.js
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/builtin/Map.js')
-rw-r--r--js/src/builtin/Map.js27
1 files changed, 2 insertions, 25 deletions
diff --git a/js/src/builtin/Map.js b/js/src/builtin/Map.js
index 432364614..580629a13 100644
--- a/js/src/builtin/Map.js
+++ b/js/src/builtin/Map.js
@@ -14,31 +14,8 @@ function MapConstructorInit(iterable) {
if (!IsCallable(adder))
ThrowTypeError(JSMSG_NOT_FUNCTION, typeof adder);
- // Step 6.c.
- var iterFn = iterable[std_iterator];
- if (!IsCallable(iterFn))
- ThrowTypeError(JSMSG_NOT_ITERABLE, DecompileArg(0, iterable));
-
- var iter = callContentFunction(iterFn, iterable);
- if (!IsObject(iter))
- ThrowTypeError(JSMSG_NOT_NONNULL_OBJECT, typeof iter);
-
- // Step 7 (not applicable).
-
- // Step 8.
- while (true) {
- // Step 8.a.
- var next = callContentFunction(iter.next, iter);
- if (!IsObject(next))
- ThrowTypeError(JSMSG_NOT_NONNULL_OBJECT, typeof next);
-
- // Step 8.b.
- if (next.done)
- return;
-
- // Step 8.c.
- var nextItem = next.value;
-
+ // Steps 6.c-8.
+ for (var nextItem of allowContentIter(iterable)) {
// Step 8.d.
if (!IsObject(nextItem))
ThrowTypeError(JSMSG_INVALID_MAP_ITERABLE, "Map");