docs: add $.escapeArg (#266)

README.md

@@ -191,6 +191,10 @@ If you do not want to escape arguments in a template literal, you can opt out co
 ```ts
 const args = "arg1   arg2   arg3";
 await $.raw`echo ${args}`; // executes as: echo arg1   arg2   arg3
+
+// or escape a specific argument while using $.raw
+const args2 = "arg1  arg2";
+await $.raw`echo ${$.escape(args2)} ${args2}`; // executes as: echo "arg1  arg2" arg1  arg2
 ```
 
 Providing stdout of one command to another is possible as follows:

src/request.test.ts

@@ -45,22 +45,20 @@ async function withServer(action: (serverUrl: URL) => Promise<void>) {
         return new Response(
           new ReadableStream({
             start(controller) {
-              return new Promise<void>((resolve, reject) => {
+              return new Promise<void>((resolve, _reject) => {
                 if (signal.aborted || abortController.signal.aborted) {
                   return;
                 }
-                const timeoutId = setTimeout(() => {
+                const abortListener = () => {
+                  clearTimeout(timeoutId);
                   controller.close();
                   resolve();
-                }, ms);
-                signal.addEventListener("abort", () => {
-                  clearTimeout(timeoutId);
-                  reject(new Error("Client aborted."));
-                });
-                abortController.signal.addEventListener("abort", () => {
-                  clearTimeout(timeoutId);
-                  reject(new Error("Client aborted."));
-                });
+                  signal.removeEventListener("abort", abortListener);
+                  abortController.signal.removeEventListener("abort", abortListener);
+                };
+                const timeoutId = setTimeout(abortListener, ms);
+                signal.addEventListener("abort", abortListener);
+                abortController.signal.addEventListener("abort", abortListener);
               });
             },
             cancel(reason) {

src/test/server.deno.ts

@@ -5,7 +5,7 @@ export const startServer: StartServerHandler = (options) => {
     const server = Deno.serve({
       hostname: "localhost",
       onListen(details) {
-        const url = new URL(`http://${details.hostname}:${details.port}/`);
+        const url = new URL(`http://localhost:${details.port}/`);
         resolve({
           rootUrl: url,
           shutdown: () => server.shutdown(),