Fix lint error, change scrape-examples.js minify call

Author: willcrichton

src/librustdoc/html/render/context.rs

@@ -417,7 +417,7 @@ impl<'tcx> FormatRenderer<'tcx> for Context<'tcx> {
             krate: krate.name.to_string(),
             css_file_extension: extension_css,
             generate_search_filter,
-            scrape_examples_extension: call_locations.len() > 0,
+            scrape_examples_extension: !call_locations.is_empty(),
         };
         let mut issue_tracker_base_url = None;
         let mut include_sources = true;

src/librustdoc/html/render/write_shared.rs

@@ -304,7 +304,12 @@ pub(super) fn write_shared(
     }
 
     if cx.shared.layout.scrape_examples_extension {
-        write_minify("scrape-examples.js", static_files::SCRAPE_EXAMPLES_JS, cx, options)?;
+        cx.write_minify(
+            SharedResource::Unversioned { name: "scrape-examples.js" },
+            static_files::SCRAPE_EXAMPLES_JS,
+            options.enable_minification,
+            &options.emit,
+        )?;
     }
 
     if let Some(ref css) = cx.shared.layout.css_file_extension {

src/librustdoc/html/static/js/scrape-examples.js

@@ -1,3 +1,5 @@
+/* global addClass, hasClass, removeClass, onEach */
+
 (function () {
     // Scroll code block to put the given code location in the middle of the viewer
     function scrollToLoc(elt, loc) {