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-rw-r--r--src/preamble.js3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/preamble.js b/src/preamble.js
index e9ba2009..997e5ab3 100644
--- a/src/preamble.js
+++ b/src/preamble.js
@@ -854,6 +854,9 @@ var STRING_TABLE = [];
// do asynchronous work before running, increment this and
// decrement it. Incrementing must happen in a place like
// PRE_RUN_ADDITIONS (used by emcc to add file preloading).
+// Note that you can add dependencies in preRun, even though
+// it happens right before run - run will be postponed until
+// the dependencies are met.
var runDependencies = 0;
function addRunDependency() {
runDependencies++;