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-rw-r--r--js/vendor/gif-encode/client.js3
1 files changed, 3 insertions, 0 deletions
diff --git a/js/vendor/gif-encode/client.js b/js/vendor/gif-encode/client.js
index 8116bf0..c441b47 100644
--- a/js/vendor/gif-encode/client.js
+++ b/js/vendor/gif-encode/client.js
@@ -141,6 +141,9 @@ function GifEncoder(){
}
var encode = this.encode = function (nq, ct) {
+ if (! canvases.length) {
+ throw Error ("No frames to encode")
+ }
nq = nq || neuquant
ct = ct || colortab