115 lines
3.1 KiB
JavaScript
115 lines
3.1 KiB
JavaScript
import {format, parse, formatDistance as formatDistanceDateFns } from "date-fns";
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import {API_DATETIME_FORMAT} from "./constants";
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function createDownload(name, data) {
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const url = window.URL.createObjectURL(new Blob([data]));
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const link = document.createElement('a');
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link.href = url;
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link.setAttribute('download', name);
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link.setAttribute("target", "_blank");
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document.body.appendChild(link);
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link.click();
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link.remove();
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}
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function humanReadableSize(bytes, dp = 1) {
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const thresh = 1024;
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if (Math.abs(bytes) < thresh) {
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return bytes + ' B';
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}
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const units = ['KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'];
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let u = -1;
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const r = 10**dp;
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do {
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bytes /= thresh;
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++u;
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} while (Math.round(Math.abs(bytes) * r) / r >= thresh && u < units.length - 1);
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return bytes.toFixed(dp) + ' ' + units[u];
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}
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const removeParameter = (key) => {
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const url = new URL(window.location);
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url.searchParams.delete(key);
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window.history.replaceState(null, '', url);
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}
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const getParameter = (key) => {
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const url = new URL(window.location);
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if (url.searchParams.has(key)) {
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return decodeURIComponent(url.searchParams.get(key));
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} else {
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return null;
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}
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}
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const getCookie = (name) => {
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let cookieString = decodeURIComponent(document.cookie);
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let match = cookieString.match(new RegExp('(^| )' + name + '=([^;]+)'));
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if (match) {
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return match[2];
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} else {
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return null;
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}
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}
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const encodeText = (str) => {
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return Uint8Array.from(str, c => c.charCodeAt(0));
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}
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const decodeText = (buffer) => {
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return String.fromCharCode(...new Uint8Array(buffer));
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}
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const getBaseUrl = () => {
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return window.location.protocol + "//" + window.location.host;
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}
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const toDate = (apiDate, apiFormat = API_DATETIME_FORMAT) => {
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if (apiDate === null) {
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return "";
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} else if (!(apiDate instanceof Date)) {
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if (!isNaN(apiDate)) {
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apiDate = new Date(apiDate * 1000);
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} else {
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apiDate = parse(apiDate, apiFormat, new Date());
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}
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}
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return apiDate;
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}
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const formatDate = (L, apiDate) => {
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return format(toDate(apiDate), L("general.datefns_date_format", "YYY/MM/dd"));
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}
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const formatDateTime = (L, apiDate, precise=false) => {
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let dateFormat = precise ?
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L("general.datefns_datetime_format_precise", "YYY/MM/dd HH:mm:ss") :
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L("general.datefns_datetime_format", "YYY/MM/dd HH:mm");
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return format(toDate(apiDate), dateFormat);
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}
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function formatDistance(dateFns, apiDate) {
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return formatDistanceDateFns(toDate(apiDate), new Date(), { addSuffix: true, locale: dateFns });
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}
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const upperFirstChars = (str) => {
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return str.split(" ")
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.map(block => block.charAt(0).toUpperCase() + block.substring(1))
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.join(" ");
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}
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const isInt = (value) => {
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return !isNaN(value) &&
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parseInt(Number(value)) === value &&
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!isNaN(parseInt(value, 10));
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}
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export { humanReadableSize, removeParameter, getParameter, getCookie,
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encodeText, decodeText, getBaseUrl,
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formatDate, formatDateTime, formatDistance,
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upperFirstChars, isInt, createDownload }; |