chore: replace deno.land/x with jsr in examples and badges (#187)

README.md

@@ -1,6 +1,6 @@
 # deno_emit
 
-[![deno emit](https://doc.deno.land/badge.svg)](https://doc.deno.land/https://deno.land/x/emit/mod.ts)
+[![deno emit](https://jsr.io/badges/@deno/emit)](https://jsr.io/@deno/emit)
 [![Twitter handle][]][Twitter badge]
 [![Discord Chat](https://img.shields.io/discord/684898665143206084?logo=discord&style=social)](https://discord.gg/deno)
 

js/README.md

@@ -1,6 +1,6 @@
 # emit
 
-[![deno emit](https://doc.deno.land/badge.svg)](https://doc.deno.land/https://deno.land/x/emit/mod.ts)
+[![deno emit](https://jsr.io/badges/@deno/emit)](https://jsr.io/@deno/emit)
 
 Transpile and bundle JavaScript and TypeScript in Deno and Deno Deploy.
 
@@ -13,13 +13,13 @@ transpiled fashion. An example of taking some TypeScript and transpiling to
 JavaScript:
 
 ```ts
-import { transpile } from "https://deno.land/x/emit/mod.ts";
+import { transpile } from "jsr:@deno/emit";
 
 const url = new URL("./testdata/mod.ts", import.meta.url);
 const result = await transpile(url);
 
 const code = result.get(url.href);
-console.log(code.includes("export default function hello()"));
+console.log(code?.includes("export default function hello()"));
 ```
 
 ## Bundle
@@ -29,7 +29,7 @@ This is similar to the functionality provided by `deno bundle` on the Deno
 command line. An example:
 
 ```ts
-import { bundle } from "https://deno.land/x/emit/mod.ts";
+import { bundle } from "jsr:@deno/emit";
 const result = await bundle(
   new URL("https://deno.land/[email protected]/examples/chat/server.ts"),
 );

js/mod.ts

@@ -8,19 +8,19 @@
  * ### Example - Transpiling
  *
  * ```ts
- * import { transpile } from "https://deno.land/x/emit/mod.ts";
+ * import { transpile } from "jsr:@deno/emit";
  *
  * const url = new URL("./testdata/mod.ts", import.meta.url);
- * const result = await transpile(url.href);
+ * const result = await transpile(url);
  *
- * const { code } = result;
- * console.log(code.includes("export default function hello()"));
+ * const code = result.get(url.href);
+ * console.log(code?.includes("export default function hello()"));
  * ```
  *
  * ### Example - Bundling
  *
  * ```ts
- * import { bundle } from "https://deno.land/x/emit/mod.ts";
+ * import { bundle } from "jsr:@deno/emit";
  * const result = await bundle(
  *   "https://deno.land/[email protected]/examples/chat/server.ts",
  * );
@@ -156,7 +156,7 @@ export interface CompilerOptions {
  * ### Example
  *
  * ```ts
- * import { bundle } from "https://deno.land/x/emit/mod.ts";
+ * import { bundle } from "jsr:@deno/emit";
  * const result = await bundle(
  *   "https://deno.land/[email protected]/examples/chat/server.ts",
  * );