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i have a component lightning and i import 2 scripts "PDF.js" and "scripts.js" my static resource have 3 files zip "PDF.js", "script.js" and "worker.js"

<aura:component >
    <ltng:require scripts="{!$Resource.pdf + '/pdf.js'}"/>
    <ltng:require scripts="{!$Resource.pdf + '/script.js'}"/>

    <input id="inputFile" type="file" onchange="convertToBase64();" />    

    <div id="data"></div>   
</aura:component>

in my script.js static resource i call my worker.js

pdfjsLib.workerSrc = 'worker.js';

but i have a error

Uncaught ReferenceError: pdfjsLib is not defined throws at https://componentstudy-dev-ed.lightning.force.com/resource/1579614876000/olianiTrailhead__pdf/script.js:1:1 ReferenceError: pdfjsLib is not defined
    at script.js:1

can someone help me?

1 Answer 1

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You'll need to choose a different library. Aside from possible timing issues regarding the load order for scripts, you cannot use Workers of any type in Lightning because of the Locker API.

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  • I understand your point but this lib is not for generating PDF but reading and generating readable text from a PDF
    – Guilherme
    Feb 4, 2020 at 20:10
  • @Guilherme The other half of my answer is still a concern, then... Locker API won't let you have a service worker.
    – sfdcfox
    Feb 4, 2020 at 20:14
  • @Guilherme Did you check the Developer Console for errors? I'm pretty sure you should see something about an unsupported API or some such in the logs.
    – sfdcfox
    Feb 4, 2020 at 20:14
  • on my developer console, I have no error, but only on the browser console
    – Guilherme
    Feb 4, 2020 at 20:20
  • about the locker service, I had this problem, but solved it by downgrade the component version and now i have this error i post
    – Guilherme
    Feb 4, 2020 at 20:34

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