Improve code and documentation

README.md

@@ -103,9 +103,8 @@ The `--layout` option can receive the name of a [preset](./assets/layouts/)
 
 A theme is a CSS stylesheet included in the HTML layout.
 
-The `--theme` option can receive the name of a [preset](./assets/themes/) (e.g.
-`github`) or the path to a custom theme file (`path/to/my-theme.css` or an HTTP
-URL).
+The `--theme` option can receive the name of a preset (e.g. `github`)
+or the path to a custom theme file (`path/to/my-theme.css` or an HTTP URL).
 
 #### Highlight style (`--highlight-style`)
 

src/util.js

@@ -8,7 +8,7 @@ export function randomId() {
 
 /**
  * Get the text content of the first element matching the given tag
- * using a naive regex-base search which is very limited, but avoids
+ * using a naive regex-based search which is very limited, but avoids
  * importing a full HTML parser library only to do that.
  * @param {string} html The HTML document
  * @param {string} tag The HTML tag name

test/hooks.js

@@ -22,8 +22,8 @@ before(async () => {
   });
   await fs.mkdir(buildDataPath("img"), { recursive: true });
   for (let url of Object.keys(images)) {
-    const data = (await request(url)).body;
-    await fs.writeFile(buildDataPath(images[url]), data);
+    const res = await request(url);
+    await fs.writeFile(buildDataPath(images[url]), res.body);
   }
   await fs.writeFile(buildDataPath("README.md"), output, { encoding: "utf8" });
 });