56 lines
1.7 KiB
JavaScript
56 lines
1.7 KiB
JavaScript
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export const BYTES_UNITS = ['Bytes', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB'];
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export const HERTZ_UNITS = ['Hz', 'KHz', 'MHz', 'GHz', 'THz', 'PHz'];
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const locale = window.navigator.locale || 'en';
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const decimalFormatter = new Intl.NumberFormat(locale, {
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maximumFractionDigits: 2,
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});
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const roundFormatter = new Intl.NumberFormat(locale, {
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maximumFractionDigits: 0,
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});
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const unitReducer = (number = 0, interval, units, maxUnit) => {
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if (maxUnit && units.indexOf(maxUnit) !== -1) {
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units = units.slice(0, units.indexOf(maxUnit) + 1);
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}
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let unitIndex = 0;
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while (number >= interval && unitIndex < units.length - 1) {
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number /= interval;
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unitIndex++;
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}
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return [number, units[unitIndex]];
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};
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export function reduceBytes(bytes = 0, maxUnitSize) {
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return unitReducer(bytes, 1024, BYTES_UNITS, maxUnitSize);
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}
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export function reduceHertz(hertz, maxUnitSize) {
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return unitReducer(hertz, 1000, HERTZ_UNITS, maxUnitSize);
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}
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// General purpose formatters meant to reduce units as much
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// as possible.
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export function formatBytes(bytes) {
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const [number, unit] = reduceBytes(bytes);
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return `${decimalFormatter.format(number)} ${unit}`;
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}
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export function formatHertz(hertz) {
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const [number, unit] = reduceHertz(hertz);
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return `${decimalFormatter.format(number)} ${unit}`;
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}
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// Specialized formatters meant to reduce units to the resolution
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// the scheduler and job specs operate at.
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export function formatScheduledBytes(bytes) {
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const [number, unit] = reduceBytes(bytes, 'MiB');
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return `${roundFormatter.format(number)} ${unit}`;
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}
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export function formatScheduledHertz(hertz) {
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const [number, unit] = reduceHertz(hertz, 'MHz');
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return `${roundFormatter.format(number)} ${unit}`;
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}
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