27 lines
876 B
TypeScript
27 lines
876 B
TypeScript
// This must be in global scope because `document.currentScript`
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// works only while the script is initially being processed.
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export let currentScriptURL: URL | null = null;
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export let isExtension = false;
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try {
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if (
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document.currentScript !== undefined &&
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document.currentScript !== null &&
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"src" in document.currentScript &&
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document.currentScript.src !== ""
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) {
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let src = document.currentScript.src;
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// CDNs allow omitting the filename. If it's omitted, append a slash to
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// prevent the last component from being dropped.
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if (!src.endsWith(".js") && !src.endsWith("/")) {
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src += "/";
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}
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currentScriptURL = new URL(".", src);
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isExtension = currentScriptURL.protocol.includes("extension");
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}
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} catch (e) {
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console.warn("Unable to get currentScript URL");
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}
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