NETSCRIPT: Greatly speed up script launching, and remove the limitation unique args per script (#440)

* Remove the limitation unique args per script
* Internal changes to how runningScripts are stored on the server, to make common usage faster.

src/utils/helpers/scriptKey.ts

@@ -0,0 +1,29 @@
+import type { ScriptArg } from "../../Netscript/ScriptArg";
+import type { ScriptFilePath } from "../../Paths/ScriptFilePath";
+
+// This needs to be high in the dependency graph, with few/no dependencies of
+// its own, since many key modules depend on it.
+
+export type ScriptKey = string /*& { __type: "ScriptKey" }*/;
+
+// The key used to lookup worker scripts in their map.
+export function scriptKey(path: ScriptFilePath, args: ScriptArg[]): ScriptKey {
+  // Asterisk is used as a delimiter because it' not a valid character in paths.
+  return (path + "*" + JSON.stringify(args)) as ScriptKey;
+}
+
+// Returns a RegExp that can be used to find scripts with a path that fully
+// matches "pattern" in the scriptKey.
+export function matchScriptPathExact(pattern: string) {
+  // Must fully match pattern, starting at the beginning and ending with the
+  // asterisk delimiter, which can't appear in script paths.
+  return new RegExp("^" + pattern + "\\*");
+}
+
+// Returns a RegExp that can be used to find scripts with a path that
+// matches "pattern" somewhere in the scriptKey.
+export function matchScriptPathUnanchored(pattern: string) {
+  // Don't let the match extend into the arguments part (script paths can't
+  // include "[").
+  return matchScriptPathExact("[^[]*" + pattern + "[^[]*");
+}