fix(image-loader): resolve gray content in image issue (#163)
fix(image-loader): resolve gray content in image issue (#163)

* subscribe error callback

* add subscribe error callback

* prevent loading of the same file

* debug log

* Update package.json

* Update package.json

* Update image-loader.ts

* Update image-loader.ts

* Update image-loader.ts

* Update image-loader.ts

zyramedia/ionic-image-loader,zyra/ionic-image-loader