hanzoai/react
2
0
Fork 0
mirror of https://github.com/hanzoai/react.git synced 2026-09-24 17:02:27 +00:00
Code Issues Packages Projects Releases Wiki Activity

Get rid of DEV only invariant

Browse Source
This commit is contained in:
Andrew Clark
2017-02-06 14:43:22 -08:00
parent 9f8bf130de
commit eb93217455
1 changed files with 7 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/renderers/shared/fiber/ReactChildFiber.js
+7 -9
View File
@@ -806,15 +806,13 @@ function ChildReconciler(shouldClone, shouldTrackSideEffects) {
// First, validate keys.
// We'll get a different iterator later for the main pass.
const newChildren = iteratorFn.call(newChildrenIterable);
invariant(
newChildren != null,
'An iterable object provided no iterator.'
);
let knownKeys = null;
let step = newChildren.next();
for (; !step.done; step = newChildren.next()) {
const child = step.value;
knownKeys = warnOnDuplicateKey(child, knownKeys);
if (newChildren) {
let knownKeys = null;
let step = newChildren.next();
for (; !step.done; step = newChildren.next()) {
const child = step.value;
knownKeys = warnOnDuplicateKey(child, knownKeys);
}
}
}