Replace unnecessary var self = this
statements with arrow functions in web/app.js
#8393
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Also replaces
var
withlet
in the functions/methods that are touched in the patch. Please note that this should be completely safe, for two separate reasons, since trying to accesslet
in a scope where it's not defined is first of all a runtime error and second of all an ESLint error (thanks to theno-undef
rule).Edit: Slightly more manageable diff with https://github.com/mozilla/pdf.js/pull/8393/files?w=1.