[Vuejs]-Drag and drop file electron/vue.js

The will-navigate event is designed to catch/parse dropped files in electron. So it is not a vue.js specific issue.

This snippet will prevent the render process from loading the image as content.

mainWindow.webContents.on('will-navigate', (event) => event.preventDefault());

• Reference: https://github.com/electron/electron/issues/5919
• API Docs: https://github.com/electron/electron/blob/master/docs/api/web-contents.md#event-will-navigate