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export default class FileSizeFormatter {
private bytes: number;
private oneKiloByte = 1024;
private oneMegaByte = this.oneKiloByte * 1024;
private oneGigaByte = this.oneMegaByte * 1024;
constructor(bytes: number) {
this.bytes = bytes;
}
public getUserFriendlyFileSize(): string {
let suffix: string;
let size = this.bytes;
if (size > this.oneGigaByte) {
size /= this.oneGigaByte;
suffix = " GB";
}
else if (this.bytes > this.oneMegaByte) {
size /= this.oneMegaByte;
suffix = " MB";
}
else if (this.bytes > this.oneKiloByte) {
size /= this.oneKiloByte;
suffix = " kB";
}
else {
suffix = " B";
}
size = Math.round(size);
return size + suffix;
}
}
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