64 lines
1.8 KiB
TypeScript
64 lines
1.8 KiB
TypeScript
import type { DataLoadOptions, URLLoadOptions } from "./load-options";
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// 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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let currentScriptURL = "";
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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).href;
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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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/**
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* Attempt to discover the public path of the current Ruffle source. This can
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* be used to configure Webpack.
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*
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* A global public path can be specified for all sources using the RufflePlayer
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* config:
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*
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* ```js
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* window.RufflePlayer.config.publicPath = "/dist/";
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* ```
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*
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* If no such config is specified, then the parent path of where this script is
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* hosted is assumed, which should be the correct default in most cases.
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*
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* @param config The `window.RufflePlayer.config` object.
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* @returns The public path for the given source.
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*/
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export function publicPath(
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config: URLLoadOptions | DataLoadOptions | object
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): string {
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// Default to the directory where this script resides.
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let path = currentScriptURL;
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if (
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"publicPath" in config &&
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config.publicPath !== null &&
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config.publicPath !== undefined
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) {
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path = config.publicPath;
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}
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// Webpack expects the paths to end with a slash.
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if (path !== "" && !path.endsWith("/")) {
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path += "/";
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}
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return path;
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}
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