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helpers.ts
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helpers.ts
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import { useState } from 'react';
export const classNames = (...classes: Array<any>) => classes.filter(Boolean).join(' ');
export const isRunning = (status: string): boolean => (status == 'stopped' ? false : status == 'crashed' ? false : true);
export const formatMemory = (bytes: number): [number, string] => {
const units = ['b', 'kb', 'mb', 'gb'];
let size = bytes;
let unitIndex = 0;
while (size > 1024 && unitIndex < units.length - 1) {
size /= 1024;
unitIndex++;
}
return [+size.toFixed(1), units[unitIndex]];
};
export const startDuration = (input: string, split: boolean = true): [number, string] | string => {
const match = input.match(/(\d+)([dhms])/);
if (!match) return null;
const [number, unit] = [parseInt(match[1]), 'dhms'.indexOf(match[2])];
const fullUnit = ['day', 'hour', 'minute', 'second'][unit] + (number !== 1 ? 's' : '');
return split ? [number, fullUnit] : `${number} ${fullUnit}`;
};
export const isVersionTooFar = (currentVersion: string, newVersion: string): boolean => {
const parseVersion = (version) => version.split('.').map(Number);
const [currentMajor, currentMinor, currentPatch] = parseVersion(currentVersion);
const [newMajor, newMinor, newPatch] = parseVersion(newVersion);
if (newMajor > currentMajor + 1) {
return true;
} else if (newMajor === currentMajor + 1 && newMinor > 0) {
return true;
} else if (newMajor === currentMajor && newMinor > currentMinor + 2) {
return true;
}
return false;
};
export const useArray = (initialValue = [], maxSize = 5) => {
const [value, setValue] = useState(initialValue);
const clear = () => setValue([]);
const count = () => value.length;
const isEmpty = () => value.length === 0;
const push = (element) => setValue((oldValue) => [...oldValue, element]);
const remove = (index) => setValue((oldValue) => oldValue.filter((_, i) => i !== index));
const pushMax = (element) =>
setValue((oldValue) => {
const newValue = [...oldValue, element];
if (newValue.length > maxSize) {
newValue.shift();
}
return newValue;
});
return { value, setValue, clear, count, isEmpty, push, remove, pushMax };
};

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