113 lines
2.5 KiB
JavaScript
113 lines
2.5 KiB
JavaScript
let cdn, baseUrl, baseUri, baseUriMatcher;
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let S3BaseUrl, S3CDN;
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let snapshot;
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export default function getURL(url) {
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if (baseUri === undefined) {
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setPrefix($('meta[name="discourse-base-uri"]').attr("content") || "");
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}
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if (!url) {
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return baseUri === "/" ? "" : baseUri;
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}
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// if it's a non relative URL, return it.
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if (url !== "/" && !/^\/[^\/]/.test(url)) {
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return url;
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}
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const found = baseUriMatcher.test(url);
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if (found) {
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return url;
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}
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if (url[0] !== "/") {
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url = "/" + url;
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}
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return baseUri + url;
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}
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export function getURLWithCDN(url) {
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url = getURL(url);
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// only relative urls
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if (cdn && /^\/[^\/]/.test(url)) {
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url = cdn + url;
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} else if (S3CDN) {
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url = url.replace(S3BaseUrl, S3CDN);
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}
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return url;
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}
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export function getAbsoluteURL(path) {
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return baseUrl + path;
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}
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export function isAbsoluteURL(url) {
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return url.startsWith(baseUrl);
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}
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export function withoutPrefix(path) {
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if (!baseUri) {
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return path;
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} else {
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return path.replace(baseUriMatcher, "$1");
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}
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}
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export function setPrefix(configBaseUri) {
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baseUri = configBaseUri;
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baseUriMatcher = new RegExp(`^${baseUri}(/|$)`);
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}
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export function setupURL(configCdn, configBaseUrl, configBaseUri, opts) {
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opts = opts || {};
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cdn = configCdn;
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baseUrl = configBaseUrl;
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setPrefix(configBaseUri);
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if (opts?.snapshot) {
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snapshot = {
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cdn,
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baseUri,
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baseUrl,
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configBaseUrl,
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baseUriMatcher,
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};
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}
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}
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// In a test environment we might change these values and, after tests, want to restore them.
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export function restoreBaseUri() {
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if (snapshot) {
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cdn = snapshot.cdn;
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baseUri = snapshot.baseUri;
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baseUrl = snapshot.baseUrl;
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baseUriMatcher = snapshot.baseUriMatcher;
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S3BaseUrl = snapshot.S3BaseUrl;
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S3CDN = snapshot.S3CDN;
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}
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}
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export function setupS3CDN(configS3BaseUrl, configS3CDN, opts) {
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S3BaseUrl = configS3BaseUrl;
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S3CDN = configS3CDN;
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if (opts?.snapshot) {
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snapshot = snapshot || {};
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snapshot.S3BaseUrl = S3BaseUrl;
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snapshot.S3CDN = S3CDN;
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}
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}
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// We can use this to identify when navigating on the same host but outside of the
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// prefix directory. For example from `/forum` to `/about-us` which is not discourse
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export function samePrefix(url) {
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if (baseUri === undefined) {
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setPrefix($('meta[name="discourse-base-uri"]').attr("content") || "");
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}
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let origin = window.location.origin;
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let cmp = url[0] === "/" ? baseUri || "/" : origin + baseUri || origin;
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return url.indexOf(cmp) === 0;
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}
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