# code-snippets/3.10.1/js/components/Import/FromFileUpload/utils/fileUtils.ts

Code Snippets, version 3.10.1. 18 lines.

- Page: https://pluginprobe.com/plugins/code-snippets/3.10.1/code/js/components/Import/FromFileUpload/utils/fileUtils.ts
- Raw: https://pluginprobe.com/plugins/code-snippets/3.10.1/raw/js/components/Import/FromFileUpload/utils/fileUtils.ts
- Modified: 2026-01-16T19:28:10+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/code-snippets/3.10.1/code/js/components/Import/FromFileUpload/utils/fileUtils.ts#L10-L20`.

```typescript
export const formatFileSize = (bytes: number): string => {
	if (bytes === 0) return '0 Bytes'
	const k = 1024
	const sizes = ['Bytes', 'KB', 'MB', 'GB']
	const i = Math.floor(Math.log(bytes) / Math.log(k))
	return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i]
}

export const removeFileFromList = (fileList: FileList, indexToRemove: number): FileList => {
	const dt = new DataTransfer()
	for (let i = 0; i < fileList.length; i++) {
		if (i !== indexToRemove) {
			dt.items.add(fileList[i])
		}
	}
	return dt.files
}

```