Review comment.

Author: brendandahl

tools/link.py

@@ -1966,7 +1966,7 @@ def run_embind_gen(wasm_target, js_syms, extra_settings, linker_inputs):
   settings.SINGLE_FILE = False
   # Embind may be included multiple times, de-duplicate the list first.
   settings.JS_LIBRARIES = dedup_list(settings.JS_LIBRARIES)
-  # Assertions are always used.
+  # JS and TS generation expects assert to always be defined.
   settings.ASSERTIONS = 1
   # Replace embind with the TypeScript generation version.
   embind_index = settings.JS_LIBRARIES.index('embind/embind.js')