js.forEach is not a function

[xavruss]

Uncaught (in promise) TypeError: js.forEach is not a function
at sheet_add_json (xlsx.js:21165:1)
at Object.json_to_sheet (xlsx.js:21200:1)
at js.js:1791:1
at new Promise ()
at Eventscolas.bal (js.js:1789:1)
at Eventscolas.bak (js.js:1783:1)
at onClick (top_titles.js:73:1)
at HTMLUnknownElement.callCallback (react-dom.development.js:4164:1)
at Object.invokeGuardedCallbackDev (react-dom.development.js:4213:1)
at invokeGuardedCallback (react-dom.development.js:4277:1)

[memory-tapes]

I think you need to provide more context about how you are including this library.