Fixes for "use strict" mode.

photopea / UPNG.js

Fast and advanced PNG (APNG) decoder and encoder (lossy / lossless)

MIT License

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Fixes for "use strict" mode. #45

Open RefinedSoftwareLLC opened 4 years ago

RefinedSoftwareLLC commented 4 years ago

In "use strict" mode UPNG was not added to window and also "UZIP is not defined" error was displayed. Fixed these 2 issues in a way that is backwards compatible with IE, Edge, and some mobile devices.

Jeanno commented 2 years ago

Agree. This PR should be merged.