The 'event' parameter is being implicitly assigned an 'any' type

I'm currently utilizing TypeScript within an Electron application but I am encountering the following error message:

Parameter 'event' implicitly has an 'any' type.ts(7006)

Below is the code snippet in question. Any suggestions on how to handle this issue would be greatly appreciated.

ipcRenderer.on('download-progress', function (event, progressInfo: ProgressInfo) {
    document.getElementById('pbs_' + progressInfo.id).style.width = progressInfo.percent + "%";
    document.getElementById('pts_' + progressInfo.id).innerHTML = progressInfo.percent + "%";
});
typescriptelectron

Answer №1

According to the documentation provided, when using ipcRenderer.on, the second argument should be an event, as you correctly specified. Detailed information about the event Object can be found here.

To define it completely, assuming that you have already imported Electron, the type of event is Electron.Event:

ipcRenderer.on('download-progress', function (event: Electron.Event, progressInfo: ProgressInfo) {
    document.getElementById('pbs_' + progressInfo.id).style.width = progressInfo.percent + "%";
    document.getElementById('pts_' + progressInfo.id).innerHTML = progressInfo.percent + "%";
});

Below is the type definition for a generic Electron.Event :

interface Event extends GlobalEvent {
  preventDefault: () => void;
  sender: WebContents;
  returnValue: any;
  ctrlKey?: boolean;
  metaKey?: boolean;
  shiftKey?: boolean;
  altKey?: boolean;
}

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