Fix eslint errors

4 files changed, 32 insertions, 34 deletions

diff --git a/src/librustdoc/html/static/main.js b/src/librustdoc/html/static/main.js
index ebc9ada4451..be30871ea4c 100644
--- a/src/librustdoc/html/static/main.js
+++ b/src/librustdoc/html/static/main.js
@@ -1,6 +1,6 @@
 // Local js definitions:
-/* global addClass, getSettingValue, hasClass */
-/* global onEach, onEachLazy, hasOwnProperty, removeClass, updateLocalStorage */
+/* global addClass, getSettingValue, hasClass, searchState */
+/* global onEach, onEachLazy, removeClass */
 /* global switchTheme, useSystemTheme */
 
 if (!String.prototype.startsWith) {
@@ -347,10 +347,6 @@ function hideThemeButtonState() {
         document.getElementsByTagName("body")[0].style.marginTop = "";
     }
 
-    function isHidden(elem) {
-        return elem.offsetHeight === 0;
-    }
-
     var toggleAllDocsId = "toggle-all-docs";
     var main = document.getElementById("main");
     var savedHash = "";
@@ -553,7 +549,7 @@ function hideThemeButtonState() {
                     len = window.rootPath.match(/\.\.\//g).length + 1;
 
                 for (i = 0; i < len; ++i) {
-                    match = url.match(/\/[^\/]*$/);
+                    match = url.match(/\/[^/]*$/);
                     if (i < len - 1) {
                         stripped = match[0] + stripped;
                     }
@@ -952,13 +948,11 @@ function hideThemeButtonState() {
         });
 
         var currentType = document.getElementsByClassName("type-decl")[0];
-        var className = null;
         if (currentType) {
             currentType = currentType.getElementsByClassName("rust")[0];
             if (currentType) {
                 onEachLazy(currentType.classList, function(item) {
                     if (item !== "main") {
-                        className = item;
                         return true;
                     }
                 });
@@ -1047,7 +1041,7 @@ function hideThemeButtonState() {
         };
     }
 
-    function buildHelperPopup() {
+    var buildHelperPopup = function() {
         var popup = document.createElement("aside");
         addClass(popup, "hidden");
         popup.id = "help";
@@ -1114,7 +1108,7 @@ function hideThemeButtonState() {
         insertAfter(popup, searchState.outputElement());
         // So that it's only built once and then it'll do nothing when called!
         buildHelperPopup = function() {};
-    }
+    };
 
     onHashChange(null);
     window.addEventListener("hashchange", onHashChange);
diff --git a/src/librustdoc/html/static/search.js b/src/librustdoc/html/static/search.js
index a09d3eb1796..c53b3d5f14b 100644
--- a/src/librustdoc/html/static/search.js
+++ b/src/librustdoc/html/static/search.js
@@ -1,3 +1,6 @@
+/* global addClass, getNakedUrl, getSettingValue, hasOwnPropertyRustdoc, initSearch, onEach */
+/* global onEachLazy, removeClass, searchState, updateLocalStorage */
+
 (function() {
 // This mapping table should match the discriminants of
 // `rustdoc::html::item_type::ItemType` type in Rust.
@@ -170,7 +173,7 @@ window.initSearch = function(rawSearchIndex) {
         function sortResults(results, isType) {
             var ar = [];
             for (var entry in results) {
-                if (hasOwnProperty(results, entry)) {
+                if (hasOwnPropertyRustdoc(results, entry)) {
                     ar.push(results[entry]);
                 }
             }
@@ -254,7 +257,7 @@ window.initSearch = function(rawSearchIndex) {
             });
 
             for (i = 0, len = results.length; i < len; ++i) {
-                var result = results[i];
+                result = results[i];
 
                 // this validation does not make sense when searching by types
                 if (result.dontValidate) {
@@ -301,7 +304,7 @@ window.initSearch = function(rawSearchIndex) {
                 if (obj.length > GENERICS_DATA &&
                       obj[GENERICS_DATA].length >= val.generics.length) {
                     var elems = Object.create(null);
-                    var elength = object[GENERICS_DATA].length;
+                    var elength = obj[GENERICS_DATA].length;
                     for (var x = 0; x < elength; ++x) {
                         elems[getObjectNameFromId(obj[GENERICS_DATA][x])] += 1;
                     }
@@ -717,7 +720,7 @@ window.initSearch = function(rawSearchIndex) {
             query.output = val;
             query.search = val;
             // gather matching search results up to a certain maximum
-            val = val.replace(/\_/g, "");
+            val = val.replace(/_/g, "");
 
             var valGenerics = extractGenerics(val);
 
@@ -1242,7 +1245,9 @@ window.initSearch = function(rawSearchIndex) {
     function getFilterCrates() {
         var elem = document.getElementById("crate-search");
 
-        if (elem && elem.value !== "All crates" && hasOwnProperty(rawSearchIndex, elem.value)) {
+        if (elem && elem.value !== "All crates" &&
+            hasOwnPropertyRustdoc(rawSearchIndex, elem.value))
+        {
             return elem.value;
         }
         return undefined;
@@ -1293,14 +1298,13 @@ window.initSearch = function(rawSearchIndex) {
         var id = 0;
 
         for (var crate in rawSearchIndex) {
-            if (!hasOwnProperty(rawSearchIndex, crate)) { continue; }
+            if (!hasOwnPropertyRustdoc(rawSearchIndex, crate)) {
+                continue;
+            }
 
             var crateSize = 0;
 
             searchWords.push(crate);
-            var normalizedName = crate.indexOf("_") === -1
-                ? crate
-                : crate.replace(/_/g, "");
             // This object should have exactly the same set of fields as the "row"
             // object defined below. Your JavaScript runtime will thank you.
             // https://mathiasbynens.be/notes/shapes-ics
@@ -1313,7 +1317,7 @@ window.initSearch = function(rawSearchIndex) {
                 parent: undefined,
                 type: null,
                 id: id,
-                normalizedName: normalizedName,
+                normalizedName: crate.indexOf("_") === -1 ? crate : crate.replace(/_/g, ""),
             };
             id += 1;
             searchIndex.push(crateRow);
@@ -1363,9 +1367,6 @@ window.initSearch = function(rawSearchIndex) {
                     word = "";
                     searchWords.push("");
                 }
-                var normalizedName = word.indexOf("_") === -1
-                    ? word
-                    : word.replace(/_/g, "");
                 var row = {
                     crate: crate,
                     ty: itemTypes[i],
@@ -1375,7 +1376,7 @@ window.initSearch = function(rawSearchIndex) {
                     parent: itemParentIdxs[i] > 0 ? paths[itemParentIdxs[i] - 1] : undefined,
                     type: itemFunctionSearchTypes[i],
                     id: id,
-                    normalizedName: normalizedName,
+                    normalizedName: word.indexOf("_") === -1 ? word : word.replace(/_/g, ""),
                 };
                 id += 1;
                 searchIndex.push(row);
@@ -1387,9 +1388,11 @@ window.initSearch = function(rawSearchIndex) {
                 ALIASES[crate] = {};
                 var j, local_aliases;
                 for (var alias_name in aliases) {
-                    if (!aliases.hasOwnProperty(alias_name)) { continue; }
+                    if (!hasOwnPropertyRustdoc(aliases, alias_name)) {
+                        continue;
+                    }
 
-                    if (!ALIASES[crate].hasOwnProperty(alias_name)) {
+                    if (!hasOwnPropertyRustdoc(ALIASES[crate], alias_name)) {
                         ALIASES[crate][alias_name] = [];
                     }
                     local_aliases = aliases[alias_name];
diff --git a/src/librustdoc/html/static/source-script.js b/src/librustdoc/html/static/source-script.js
index 81cf437c7db..4d9a59f836b 100644
--- a/src/librustdoc/html/static/source-script.js
+++ b/src/librustdoc/html/static/source-script.js
@@ -2,7 +2,8 @@
 /* global search, sourcesIndex */
 
 // Local js definitions:
-/* global addClass, getCurrentValue, hasClass, removeClass, updateLocalStorage */
+/* global addClass, getCurrentValue, hasClass, onEachLazy, removeClass, searchState */
+/* global updateLocalStorage */
 (function() {
 
 function getCurrentFilePath() {
@@ -153,7 +154,7 @@ function createSourceSidebar() {
 
 var lineNumbersRegex = /^#?(\d+)(?:-(\d+))?$/;
 
-function highlightSourceLines(match, ev) {
+function highlightSourceLines(scrollTo, match) {
     if (typeof match === "undefined") {
         match = window.location.hash.match(lineNumbersRegex);
     }
@@ -174,7 +175,7 @@ function highlightSourceLines(match, ev) {
     if (!elem) {
         return;
     }
-    if (!ev) {
+    if (scrollTo) {
         var x = document.getElementById(from);
         if (x) {
             x.scrollIntoView();
@@ -202,7 +203,7 @@ var handleSourceHighlight = (function() {
             y = window.scrollY;
         if (searchState.browserSupportsHistoryApi()) {
             history.replaceState(null, null, "#" + name);
-            highlightSourceLines();
+            highlightSourceLines(true);
         } else {
             location.replace("#" + name);
         }
@@ -234,7 +235,7 @@ var handleSourceHighlight = (function() {
 window.addEventListener("hashchange", function() {
     var match = window.location.hash.match(lineNumbersRegex);
     if (match) {
-        return highlightSourceLines(match, ev);
+        return highlightSourceLines(false, match);
     }
 });
 
@@ -242,7 +243,7 @@ onEachLazy(document.getElementsByClassName("line-numbers"), function(el) {
     el.addEventListener("click", handleSourceHighlight);
 });
 
-highlightSourceLines();
+highlightSourceLines(true);
 
 window.createSourceSidebar = createSourceSidebar;
 })();
diff --git a/src/librustdoc/html/static/storage.js b/src/librustdoc/html/static/storage.js
index 208afd2e732..2eaa81a97d8 100644
--- a/src/librustdoc/html/static/storage.js
+++ b/src/librustdoc/html/static/storage.js
@@ -84,7 +84,7 @@ function onEachLazy(lazyArray, func, reversed) {
 }
 
 // eslint-disable-next-line no-unused-vars
-function hasOwnProperty(obj, property) {
+function hasOwnPropertyRustdoc(obj, property) {
     return Object.prototype.hasOwnProperty.call(obj, property);
 }