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Copy pathscriptLoader.ts
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133 lines (106 loc) · 3.71 KB
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import { addClerkPrefix, isValidProxyUrl, parsePublishableKey, proxyUrlToAbsoluteURL } from '@clerk/shared';
import { LIB_VERSION } from '../info';
import type { BrowserClerk } from '../types';
import { errorThrower } from './errorThrower';
import { isDevOrStagingUrl } from './isDevOrStageUrl';
export interface Global {
Clerk?: BrowserClerk;
}
declare const global: Global;
const FAILED_TO_LOAD_ERROR = 'Clerk: Failed to load Clerk';
const MISSING_BODY_ERROR = 'Clerk: Missing <body> element.';
const UNSTABLE_RELEASE_TAGS = ['staging', 'next'];
const extractNonStableTag = (packageVersion: string) => {
const tag = packageVersion.match(/-(.*)\./)?.[1];
return tag && UNSTABLE_RELEASE_TAGS.includes(tag) ? tag : undefined;
};
const extractMajorVersion = (packageVersion: string) => {
return packageVersion.split('.')[0];
};
const forceStagingReleaseForClerkFapi = (frontendApi: string): boolean => {
return (
frontendApi.endsWith('.lclstage.dev') ||
frontendApi.endsWith('.stgstage.dev') ||
frontendApi.endsWith('.clerkstage.dev') ||
frontendApi.endsWith('.accountsstage.dev')
);
};
function getScriptSrc({
publishableKey,
frontendApi,
domain,
scriptUrl,
scriptVariant = '',
proxyUrl,
}: LoadScriptParams): string {
if (scriptUrl) {
return scriptUrl;
}
let scriptHost = '';
if (!!proxyUrl && isValidProxyUrl(proxyUrl)) {
scriptHost = proxyUrlToAbsoluteURL(proxyUrl).replace(/http(s)?:\/\//, '');
} else if (domain && !isDevOrStagingUrl(parsePublishableKey(publishableKey)?.frontendApi || frontendApi || '')) {
scriptHost = addClerkPrefix(domain);
} else {
scriptHost = parsePublishableKey(publishableKey)?.frontendApi || frontendApi || '';
}
if (!scriptHost) {
errorThrower.throwMissingPublishableKeyError();
}
const variant = scriptVariant ? `${scriptVariant.replace(/\.+$/, '')}.` : '';
const getUrlForTag = (target: string) => {
return `https://${scriptHost}/npm/@clerk/clerk-js@${target}/dist/clerk.${variant}browser.js`;
};
const nonStableTag = extractNonStableTag(LIB_VERSION);
if (forceStagingReleaseForClerkFapi(scriptHost)) {
return nonStableTag ? getUrlForTag(nonStableTag) : getUrlForTag('staging');
}
if (nonStableTag) {
return getUrlForTag(nonStableTag);
}
return getUrlForTag(extractMajorVersion(LIB_VERSION));
}
export type ScriptVariant = '' | 'headless';
export interface LoadScriptParams {
/**
* @deprecated Use `publishableKey` instead.
*/
frontendApi?: string;
publishableKey?: string;
proxyUrl?: string;
domain?: string;
scriptUrl?: string;
scriptVariant?: ScriptVariant;
}
export async function loadScript(params: LoadScriptParams): Promise<HTMLScriptElement | null> {
return new Promise((resolve, reject) => {
const { frontendApi, publishableKey, proxyUrl, domain } = params;
if (global.Clerk) {
resolve(null);
}
const script = document.createElement('script');
if (!publishableKey && !frontendApi) {
errorThrower.throwMissingPublishableKeyError();
}
if (publishableKey) {
script.setAttribute('data-clerk-publishable-key', publishableKey);
} else if (frontendApi) {
script.setAttribute('data-clerk-frontend-api', frontendApi);
}
if (proxyUrl) {
script.setAttribute('data-clerk-proxy-url', proxyUrl);
}
if (domain) {
script.setAttribute('data-clerk-domain', domain);
}
script.setAttribute('crossorigin', 'anonymous');
script.async = true;
if (!document.body) {
reject(MISSING_BODY_ERROR);
}
script.addEventListener('load', () => resolve(script));
script.addEventListener('error', () => reject(FAILED_TO_LOAD_ERROR));
script.src = getScriptSrc(params);
document.body.appendChild(script);
});
}