123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142 |
- import {encode, decode} from 'uint8-to-base64';
-
- // transform /path/to/file.ext to file.ext
- export function basename(path = '') {
- const lastSlashIndex = path.lastIndexOf('/');
- return lastSlashIndex < 0 ? path : path.substring(lastSlashIndex + 1);
- }
-
- // transform /path/to/file.ext to .ext
- export function extname(path = '') {
- const lastPointIndex = path.lastIndexOf('.');
- return lastPointIndex < 0 ? '' : path.substring(lastPointIndex);
- }
-
- // test whether a variable is an object
- export function isObject(obj) {
- return Object.prototype.toString.call(obj) === '[object Object]';
- }
-
- // returns whether a dark theme is enabled
- export function isDarkTheme() {
- const style = window.getComputedStyle(document.documentElement);
- return style.getPropertyValue('--is-dark-theme').trim().toLowerCase() === 'true';
- }
-
- // strip <tags> from a string
- export function stripTags(text) {
- return text.replace(/<[^>]*>?/g, '');
- }
-
- export function parseIssueHref(href) {
- const path = (href || '').replace(/[#?].*$/, '');
- const [_, owner, repo, type, index] = /([^/]+)\/([^/]+)\/(issues|pulls)\/([0-9]+)/.exec(path) || [];
- return {owner, repo, type, index};
- }
-
- // parse a URL, either relative '/path' or absolute 'https://localhost/path'
- export function parseUrl(str) {
- return new URL(str, str.startsWith('http') ? undefined : window.location.origin);
- }
-
- // return current locale chosen by user
- export function getCurrentLocale() {
- return document.documentElement.lang;
- }
-
- // given a month (0-11), returns it in the documents language
- export function translateMonth(month) {
- return new Date(Date.UTC(2022, month, 12)).toLocaleString(getCurrentLocale(), {month: 'short', timeZone: 'UTC'});
- }
-
- // given a weekday (0-6, Sunday to Saturday), returns it in the documents language
- export function translateDay(day) {
- return new Date(Date.UTC(2022, 7, day)).toLocaleString(getCurrentLocale(), {weekday: 'short', timeZone: 'UTC'});
- }
-
- // convert a Blob to a DataURI
- export function blobToDataURI(blob) {
- return new Promise((resolve, reject) => {
- try {
- const reader = new FileReader();
- reader.addEventListener('load', (e) => {
- resolve(e.target.result);
- });
- reader.addEventListener('error', () => {
- reject(new Error('FileReader failed'));
- });
- reader.readAsDataURL(blob);
- } catch (err) {
- reject(err);
- }
- });
- }
-
- // convert image Blob to another mime-type format.
- export function convertImage(blob, mime) {
- return new Promise(async (resolve, reject) => {
- try {
- const img = new Image();
- const canvas = document.createElement('canvas');
- img.addEventListener('load', () => {
- try {
- canvas.width = img.naturalWidth;
- canvas.height = img.naturalHeight;
- const context = canvas.getContext('2d');
- context.drawImage(img, 0, 0);
- canvas.toBlob((blob) => {
- if (!(blob instanceof Blob)) return reject(new Error('imageBlobToPng failed'));
- resolve(blob);
- }, mime);
- } catch (err) {
- reject(err);
- }
- });
- img.addEventListener('error', () => {
- reject(new Error('imageBlobToPng failed'));
- });
- img.src = await blobToDataURI(blob);
- } catch (err) {
- reject(err);
- }
- });
- }
-
- export function toAbsoluteUrl(url) {
- if (url.startsWith('http://') || url.startsWith('https://')) {
- return url;
- }
- if (url.startsWith('//')) {
- return `${window.location.protocol}${url}`; // it's also a somewhat absolute URL (with the current scheme)
- }
- if (url && !url.startsWith('/')) {
- throw new Error('unsupported url, it should either start with / or http(s)://');
- }
- return `${window.location.origin}${url}`;
- }
-
- // Encode an ArrayBuffer into a URLEncoded base64 string.
- export function encodeURLEncodedBase64(arrayBuffer) {
- return encode(arrayBuffer)
- .replace(/\+/g, '-')
- .replace(/\//g, '_')
- .replace(/=/g, '');
- }
-
- // Decode a URLEncoded base64 to an ArrayBuffer string.
- export function decodeURLEncodedBase64(base64url) {
- return decode(base64url
- .replace(/_/g, '/')
- .replace(/-/g, '+'));
- }
-
- const domParser = new DOMParser();
- const xmlSerializer = new XMLSerializer();
-
- export function parseDom(text, contentType) {
- return domParser.parseFromString(text, contentType);
- }
-
- export function serializeXml(node) {
- return xmlSerializer.serializeToString(node);
- }
|