Some plugin logic (still kinda broken)

public/workerware/workerware.js

@@ -0,0 +1,168 @@
+importScripts("./WWError.js");
+const dbg = console.log.bind(console, "[WorkerWare]");
+const time = console.time.bind(console, "[WorkerWare]");
+const timeEnd = console.timeEnd.bind(console, "[WorkerWare]");
+
+/*
+  OPTS:
+    debug - Enables debug logging.
+    randomNames - Generate random names for middlewares.
+    timing - Logs timing for each middleware.
+*/
+
+const defaultOpt = {
+  debug: false,
+  randomNames: false,
+  timing: false,
+};
+
+const validEvents = [
+  "abortpayment",
+  "activate",
+  "backgroundfetchabort",
+  "backgroundfetchclick",
+  "backgroundfetchfail",
+  "backgroundfetchsuccess",
+  "canmakepayment",
+  "contentdelete",
+  "cookiechange",
+  "fetch",
+  "install",
+  "message",
+  "messageerror",
+  "notificationclick",
+  "notificationclose",
+  "paymentrequest",
+  "periodicsync",
+  "push",
+  "pushsubscriptionchange",
+  "sync",
+];
+
+class WorkerWare {
+  constructor(opt) {
+    this._opt = Object.assign({}, defaultOpt, opt);
+    this._middlewares = [];
+  }
+  info() {
+    return {
+      version: "0.1.0",
+      middlewares: this._middlewares,
+      options: this._opt,
+    };
+  }
+  use(middleware) {
+    let validateMW = this.validateMiddleware(middleware);
+    if (validateMW.error) throw new WWError(validateMW.error);
+    // This means the middleware is an anonymous function, or the user is silly and named their function "function"
+    if (middleware.function.name == "function") middleware.name = crypto.randomUUID();
+    if (!middleware.name) middleware.name = middleware.function.name;
+    if (this._opt.randomNames) middleware.name = crypto.randomUUID();
+    if (this._opt.debug) dbg("Adding middleware:", middleware.name);
+    this._middlewares.push(middleware);
+  }
+  // Run all middlewares for the event type passed in.
+  run(event) {
+    const middlewares = this._middlewares;
+    const returnList = [];
+    let fn = async () => {
+      for (let i = 0; i < middlewares.length; i++) {
+        if (middlewares[i].events.includes(event.type)) {
+          if (this._opt.timing) console.time(middlewares[i].name);
+          // Add the configuration to the event object.
+          event.workerware = {
+            config: middlewares[i].configuration || {},
+          };
+          if (!middlewares[i].explicitCall) {
+            let res = await middlewares[i].function(event);
+            if (this._opt.timing) console.timeEnd(middlewares[i].name);
+            returnList.push(res);
+          }
+        }
+      }
+      return returnList;
+    };
+    return fn;
+  }
+  deleteByName(middlewareID) {
+    if (this._opt.debug) dbg("Deleting middleware:", middlewareID);
+    this._middlewares = this._middlewares.filter((mw) => mw.name !== middlewareID);
+  }
+  deleteByEvent(middlewareEvent) {
+    if (this._opt.debug) dbg("Deleting middleware by event:", middlewareEvent);
+    this._middlewares = this._middlewares.filter((mw) => !mw.events.includes(middlewareEvent));
+  }
+  get() {
+    return this._middlewares;
+  }
+  /*  
+    Run a single middleware by ID.
+    This assumes that the user knows what they're doing, and is running the middleware on an event that it's supposed to run on.
+  */
+  runMW(name, event) {
+    const middlewares = this._middlewares;
+    if (this._opt.debug) dbg("Running middleware:", name);
+    // if (middlewares.includes(name)) {
+    //   return middlewares[name](event);
+    // } else {
+    //   throw new WWError("Middleware not found!");
+    // }
+    let didCall = false;
+    for (let i = 0; i < middlewares.length; i++) {
+      if (middlewares[i].name == name) {
+        didCall = true;
+        event.workerware = {
+          config: middlewares[i].configuration || {},
+        }
+        if (this._opt.timing) console.time(middlewares[i].name);
+        let call = middlewares[i].function(event);
+        if (this._opt.timing) console.timeEnd(middlewares[i].name);
+        return call;
+      }
+    }
+    if (!didCall) {
+      throw new WWError("Middleware not found!");
+    }
+  }
+  // type middlewareManifest = {
+  //     function: Function,
+  //     name?: string,
+  //     events: string[], // Should be a union of validEvents.
+  //     configuration?: Object // Optional configuration for the middleware.
+  // }
+  validateMiddleware(middleware) {
+    if (!middleware.function)
+      return {
+        error: "middleware.function is required",
+      };
+    if (typeof middleware.function !== "function")
+      return {
+        error: "middleware.function must be typeof function",
+      };
+    if (typeof middleware.configuration !== "object" && middleware.configuration !== undefined) {
+      return {
+        error: "middleware.configuration must be typeof object",
+      };
+    }
+    if (!middleware.events)
+      return {
+        error: "middleware.events is required",
+      };
+    if (!Array.isArray(middleware.events))
+      return {
+        error: "middleware.events must be an array",
+      };
+    if (middleware.events.some((ev) => !validEvents.includes(ev)))
+      return {
+        error: "Invalid event type! Must be one of the following: " + validEvents.join(", "),
+      };
+    if (middleware.explicitCall && typeof middleware.explicitCall !== "boolean") {
+      return {
+        error: "middleware.explicitCall must be typeof boolean",
+      };
+    }
+    return {
+      error: undefined,
+    };
+  }
+}