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import { assign, isFinite, isInteger, isNaN, isNil, isNumber, isString,
pickBy, toString } from "lodash";
import { DateTime, Duration } from "luxon";
import { getDateTime } from "./utils";
/**
* @param {string | number} bytes
* @param {number} decimals
* @returns {string}
*/
export function byteSize(bytes, decimals = 2) {
// if bytes is a string that not represent a number, return as it is.
/** @type {number} */
let bytesFloat;
if (isNumber(bytes)) {
bytesFloat = bytes;
}
else {
bytesFloat = parseFloat(bytes);
}
if (isNaN(bytesFloat) && isString(bytes)) {
return bytes;
}
else if (isNaN(bytesFloat) || !isFinite(bytesFloat)) {
return "#NaN";
}
else if (bytesFloat === 0) {
return "0 Bytes";
}
const k = 1024; // Using by default Kibibyte
const sizes = [ "Bytes", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB", "BiB" ]; // IEC notation
const i = Math.floor(Math.log(bytesFloat) / Math.log(k));
return parseFloat((bytesFloat / Math.pow(k, i)).toFixed(decimals)) + " " + sizes[i];
}
/**
* @param {number} timestamp
* @param {string} [format]
* @param {luxon.DateTimeOptions} [options]
* @returns {string|null}
* @deprecated
*/
export function momentFilter(timestamp, format, options) {
if (!Number.isFinite(timestamp)) {
return "";
}
else if (isNil(format)) {
return getDateTime(timestamp, options).set({ millisecond: 0 })
.toISO({ suppressMilliseconds: true });
}
else {
return getDateTime(timestamp, options).toFormat(format);
}
}
/**
* @details diplay the provided ms or seconds timestamp as a human readable date
* @param {number} timestamp
* @param {string} [format]
* @param {luxon.DateTimeOptions} [options]
* @return {string}
*/
export function dateTimeFilter(timestamp, format, options) {
if (!Number.isFinite(timestamp)) {
return "";
}
else if (isNil(format)) {
return getDateTime(timestamp, options)
.toLocaleString(DateTime.DATETIME_SHORT_WITH_SECONDS);
}
else E{
return getDateTime(timestamp, options).toFormat(format);
}
}
/**
* @param {number} timestamp
* @return {string}
*/
export function relativeDateTimeFilter(timestamp) {
if (!Number.isFinite(timestamp)) {
return "";
}
return getDateTime(timestamp).toRelative() || "";
}
/**
* @param {number} value
* @param {string} suffix
* @param {{ precision?: number, expLimit?: number|false, fixed: boolean }} [options]
* @return {string}
* @details
* - expLimit: value at which to switch to exponent notation (default: 10000)
* - precision: number of decimals (default: 3)
* - fixed: fixed number of decimals (precision required)
*
*/
// eslint-disable-next-line complexity
function bigNumber(value, suffix = "", options = undefined) {
if (isNil(value) || isNaN(value)) {
return "-";
}
if (isString(value)) {
value = Number.parseFloat(value);
}
const abs = Math.abs(value);
const precision = options?.precision ?? 3;
const expLimit = options?.expLimit ?? 10000;
const fixed = options?.fixed ?? false;
if (fixed) {
return value.toFixed(precision) + suffix;
}
else if (expLimit === false || (abs <= expLimit && abs >= 1)) {
return toString(Number.isInteger(value) ?
value : Number.parseFloat(value.toFixed(precision))) + suffix;
}
return (value === 0) ? "0" : (value.toExponential(precision) + suffix);
}
/**
* @param {number} ms
* @param {luxon.DurationUnit[]} [units]
* @param {Partial<luxon.DurationOptions & luxon.ToHumanDurationOptions> &
* { hideNulls: boolean }} [options]
* @return {string}
* @details
* - hideNulls: hide null units in the returned string if true (default: true)
*/
export function durationFilter(ms, units = [ "milliseconds" ], options) {
if (!isInteger(ms) || ms < 0) { return ""; }
const opts = assign({ hideNulls: true }, options);
const values = Duration.fromMillis(ms, opts).shiftTo(...units).toObject();
return Duration.fromObject(
opts.hideNulls ? pickBy(values, (v) => (v > 0)) : values)
.toHuman(opts);
}
export default {
/**
* @param {Vue.VueConstructor<Vue>} Vue
*/
install(Vue) {
Vue.filter("b-byteSize", byteSize);
Vue.filter("b-moment", momentFilter);
Vue.filter("b-luxon", momentFilter);
Vue.filter("b-dateTime", dateTimeFilter);
Vue.filter("b-duration", durationFilter);
Vue.filter("b-relativeDateTime", relativeDateTimeFilter);
Vue.filter("b-bigNumber", bigNumber);
}
};
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