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Hydro/hydro/lib/misc.ts

76 lines
2.4 KiB
TypeScript

import AnsiUp from 'ansi_up';
import md5 from './md5';
const AU = new AnsiUp();
export function ansiToHtml(str) {
return AU.ansi_to_html(str);
}
export function gravatar(email, s = 32) {
return `//gravatar.loli.net/avatar/${md5((email || '').toString().trim().toLowerCase())}?d=mm&s=${s}`;
}
export function datetimeSpan(dt, relative = true, format = '%Y-%m-%d %H:%M:%S') {
if (!dt) return 'DATETIME_SPAN_ERROR';
if (dt.generationTime) dt = new Date(dt.generationTime * 1000);
else if (typeof dt === 'number' || typeof dt === 'string') dt = new Date(dt);
return '<span class="time{0}" data-timestamp="{1}">{2}</span>'.format(
relative ? ' relative' : '',
dt.getTime() / 1000,
dt.format(format),
);
}
export function* paginate(page, numPages) {
const radius = 2; let first; let
last;
if (page > 1) {
yield ['first', 1];
yield ['previous', page - 1];
}
if (page <= radius) [first, last] = [1, Math.min(1 + radius * 2, numPages)];
else if (page >= numPages - radius) {
[first, last] = [Math.max(1, numPages - radius * 2), numPages];
} else {
[first, last] = [page - radius, page + radius];
}
if (first > 1) yield ['ellipsis', 0];
for (let page0 = first; page0 < last + 1; page0++) {
if (page0 !== page) yield ['page', page0];
else yield ['current', page];
}
if (last < numPages) yield ['ellipsis', 0];
if (page < numPages) yield ['next', page + 1];
yield ['last', numPages];
}
export function size(s, base = 1) {
s *= base;
const unit = 1024;
const unitNames = ['Bytes', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'];
for (const unitName of unitNames) {
if (s < unit) return '{0} {1}'.format(Math.round(s * 10) / 10, unitName);
s /= unit;
}
return '{0} {1}'.format(Math.round(s * unit), unitNames[unitNames.length - 1]);
}
export function _digit2(number: number) {
if (number < 10) return `0${number}`;
return number.toString();
}
export function formatSeconds(_seconds = '0') {
const seconds = parseInt(_seconds, 10);
return '{0}:{1}:{2}'.format(
_digit2(Math.floor(seconds / 3600)),
_digit2(Math.floor((seconds % 3600) / 60)),
_digit2(seconds % 60),
);
}
global.Hydro.lib.misc = {
gravatar, datetimeSpan, paginate, size, formatSeconds, ansiToHtml,
};