web: Remove `config.publicPaths`

This simplifies the `publicPath` function and makes it useable inside
`fetchRuffle`.

Assuming `publicPaths` isn't used anywhere, this shouldn't be harmless.

web/packages/core/src/config.ts

@@ -9,15 +9,7 @@ import { BaseLoadOptions } from "./load-options";
  */
 export interface Config extends BaseLoadOptions {
     /**
-     * A map of public paths from source name to URL.
-     */
-    publicPaths?: Record<string, string>;
-
-    /**
-     * The URL at which Ruffle can load its extra files (ie `.wasm`).
-     *
-     * [publicPaths] is consulted first for a source-specific URL,
-     * with this field being a fallback.
+     * The URL at which Ruffle can load its extra files (i.e. `.wasm`).
      */
     publicPath?: string;
 

web/packages/core/src/polyfills.ts

@@ -6,7 +6,7 @@ import { Config } from "./config";
 
 let isExtension: boolean;
 const globalConfig: Config = window.RufflePlayer?.config ?? {};
-const jsScriptUrl = publicPath(globalConfig, "ruffle.js") + "ruffle.js";
+const jsScriptUrl = publicPath(globalConfig) + "ruffle.js";
 
 /**
  * Polyfill native Flash elements with Ruffle equivalents.

web/packages/core/src/public-path.ts

@@ -4,31 +4,22 @@ import { Config } from "./config";
  * Attempt to discover the public path of the current Ruffle source. This can
  * be used to configure Webpack.
  *
- * We have several points of configuration for how the Ruffle public path can
- * be determined:
+ * A global public path can be specified for all sources using the RufflePlayer
+ * config:
  *
- * 1. The public path can be specified on a per-source basis using the
- * RufflePlayer config, for example:
- * `window.RufflePlayer.config.publicPaths.local = "/dist/";`
- * 2. A global public path can be specified for all sources, also in config.
- * `window.RufflePlayer.config.publicPath = "/dist/";`
- * 3. If there is absolutely no configuration that yields a public path then we
- * return the parent path of where this script is hosted, which should be
- * the correct default in most cases.
+ * ```js
+ * window.RufflePlayer.config.publicPath = "/dist/";
+ * ```
+ *
+ * If no such config is specified, then the parent path of where this script is
+ * hosted is assumed, which should be the correct default in most cases.
  *
  * @param config The `window.RufflePlayer.config` object.
- * @param source_name The name of the source.
  * @returns The public path for the given source.
  */
-export function publicPath(config: Config, source_name: string): string {
+export function publicPath(config: Config): string {
     let path = "";
-    if (
-        config !== undefined &&
-        config.publicPaths !== undefined &&
-        config.publicPaths[source_name] !== undefined
-    ) {
-        path = config.publicPaths[source_name];
-    } else if (config !== undefined && config.publicPath !== undefined) {
+    if (config !== undefined && config.publicPath !== undefined) {
         path = config.publicPath;
     } else if (
         document.currentScript !== undefined &&
@@ -44,7 +35,7 @@ export function publicPath(config: Config, source_name: string): string {
         }
     }
 
-    // Webpack expects the paths to end with a /.
+    // Webpack expects the paths to end with a slash.
     if (path !== "" && !path.endsWith("/")) {
         path += "/";
     }

web/packages/extension/src/player.ts

@@ -12,7 +12,7 @@ const api = PublicAPI.negotiate(
     new SourceAPI("local")
 );
 window.RufflePlayer = api;
-__webpack_public_path__ = publicPath(api.config, "local");
+__webpack_public_path__ = publicPath(api.config);
 const ruffle = api.newest()!;
 
 // Default config used by the player.

web/packages/extension/src/ruffle.ts

@@ -6,7 +6,7 @@ const api = PublicAPI.negotiate(
     new SourceAPI("extension")
 );
 window.RufflePlayer = api;
-__webpack_public_path__ = publicPath(api.config, "extension");
+__webpack_public_path__ = publicPath(api.config);
 
 let uniqueMessageSuffix: string | null = null;
 if (

web/packages/selfhosted/js/ruffle.js

@@ -5,4 +5,4 @@ window.RufflePlayer = PublicAPI.negotiate(
     "local",
     new SourceAPI("local")
 );
-__webpack_public_path__ = publicPath(window.RufflePlayer.config, "local");
+__webpack_public_path__ = publicPath(window.RufflePlayer.config);