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This commit is contained in:
Manav Rathi 2024-05-07 12:23:05 +05:30
parent cb482c60b6
commit 07d75a5dea
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1 changed files with 27 additions and 12 deletions
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39
web/apps/photos/src/utils/units.ts
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@ -1,5 +1,11 @@
import { t } from "i18next";
/**
* Localized unit keys.
*
* For each of these, there is expected to be a localized key under
* "storage_unit". e.g. "storage_unit.tb".
*/
const units = ["b", "kb", "mb", "gb", "tb"];
/**
@ -21,13 +27,16 @@ export const bytesInGB = (bytes: number, precision = 0): string =>
* Defaults to 2.
*/
export function formattedByteSize(bytes: number, precision = 2): string {
if (bytes === 0 || isNaN(bytes)) {
return "0 MB";
}
if (bytes <= 0) return `0 ${t("storage_unit.mb")}`;
const i = Math.floor(Math.log(bytes) / Math.log(1024));
const sizes = ["B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"];
return (bytes / Math.pow(1024, i)).toFixed(precision) + " " + sizes[i];
const i = Math.min(
Math.floor(Math.log(bytes) / Math.log(1024)),
units.length - 1,
);
const quantity = bytes / Math.pow(1024, i);
const unit = units[i];
return `${quantity.toFixed(precision)} ${t(`storage_unit.${unit}`)}`;
}
interface FormattedStorageByteSizeOptions {
@ -50,7 +59,7 @@ interface FormattedStorageByteSizeOptions {
* displaying the "storage size" (in different contexts) as opposed to, say, a
* generic "file size".
*
* @param options
* @param options {@link FormattedStorageByteSizeOptions}.
*
* @return A user visible string, including the localized unit suffix.
*/
@ -58,21 +67,27 @@ export const formattedStorageByteSize = (
bytes: number,
options?: FormattedStorageByteSizeOptions,
): string => {
if (bytes <= 0) {
return `0 ${t("storage_unit.mb")}`;
}
const i = Math.floor(Math.log(bytes) / Math.log(1024));
if (bytes <= 0) return `0 ${t("storage_unit.mb")}`;
const i = Math.min(
Math.floor(Math.log(bytes) / Math.log(1024)),
units.length - 1,
);
let quantity = bytes / Math.pow(1024, i);
let unit = units[i];
if (quantity > 100 && unit !== "GB") {
// Round up bytes, KBs and MBs to the bigger unit whenever they'll come of
// as more than 0.1.
if (quantity > 100 && i < units.length - 2) {
quantity /= 1024;
unit = units[i + 1];
}
quantity = Number(quantity.toFixed(1));
// Truncate or round storage sizes to trim off unnecessary and potentially
// obscuring precision when they are larger that 10 GB.
if (bytes >= 10 * 1024 * 1024 * 1024 /* 10 GB */) {
if (options?.round) {
quantity = Math.ceil(quantity);