rollup_bundle/tsc: add --downlevelIteration

This allows usage of for..of on iterators, even when targeting ES5.
alexeagle · Jul 9, 2019 · 1dccfef · 1dccfef
1 parent 1217a17
commit 1dccfef
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/internal/rollup/rollup_bundle.bzl b/internal/rollup/rollup_bundle.bzl
@@ -245,6 +245,7 @@ def _run_tsc(ctx, input, output):
     args.add_all(["--target", "es5"])
     args.add_all(["--lib", "es2015,dom"])
     args.add("--allowJS")
+    args.add("--downlevelIteration")
     args.add(input.path)
     args.add_all(["--outFile", output.path])