47 lines
1.7 KiB
JavaScript
47 lines
1.7 KiB
JavaScript
/**
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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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* We have several points of configuration for how the Ruffle public path can
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* be determined:
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*
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* 1. The public path can be specified on a per-source basis using the
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* RufflePlayer config, for example:
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* `window.RufflePlayer.config.public_paths.local = "/dist/";`
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* 2. A global public path can be specified for all sources, also in config.
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* `window.RufflePlayer.config.public_path = "/dist/";`
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* 3. If there is absolutely no configuration that yields a public path then we
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* return the parent path of where this script is hosted, which should be
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* the correct default in most cases.
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*
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* @param {object} config The `window.RufflePlayer.config` object.
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* @param {string} source_name The name of the source.
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* @returns {string} The public path for the given source.
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*/
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export function public_path(config, source_name) {
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let public_path = "";
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if (
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config !== undefined &&
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config.public_paths !== undefined &&
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config.public_paths[source_name] !== undefined
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) {
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public_path = config.public_paths[source_name];
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} else if (config !== undefined && config.public_path !== undefined) {
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public_path = config.public_path;
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} else if (document.currentScript !== undefined) {
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// Default to the directory where this script resides.
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try {
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public_path = new URL(".", document.currentScript.src).href;
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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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// Webpack expects the paths to end with a /.
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if (public_path !== "" && !public_path.endsWith("/")) {
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public_path += "/";
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}
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return public_path;
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}
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