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fileSize pipe
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import { Pipe, PipeTransform } from '@angular/core'; | |
@Pipe({ | |
name: 'fileSize' | |
}) | |
export class FileSizePipe implements PipeTransform { | |
private units = [ | |
'bytes', | |
'KB', | |
'MB', | |
'GB', | |
'TB', | |
'PB' | |
]; | |
transform(bytes: number = 0, precision: number = 2 ): string { | |
if ( isNaN( parseFloat( String(bytes) )) || ! isFinite( bytes ) ) { | |
return '?' | |
} | |
let unit = 0; | |
while ( bytes >= 1024 ) { | |
bytes /= 1024; | |
unit ++; | |
} | |
return bytes.toFixed( + precision ) + ' ' + this.units[ unit ]; | |
} | |
} |
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