open-nomad/ui/app/utils/units.js

59 lines
2.0 KiB
JavaScript

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