Fixed #22463 -- Added code style guide and JavaScript linting (EditorConfig and ESLint)

.editorconfig

+# http://editorconfig.org
+
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+insert_final_newline = true
+trim_trailing_whitespace = true
+end_of_line = lf
+charset = utf-8
+
+# Use 2 spaces for the HTML files
+[*.html]
+indent_size = 2
+
+# The JSON files contain newlines inconsistently
+[*.json]
+indent_size = 2
+insert_final_newline = ignore
+
+[**/admin/js/vendor/**]
+indent_style = ignore
+indent_size = ignore
+
+# Minified JavaScript files shouldn't be changed
+[**.min.js]
+indent_style = ignore
+insert_final_newline = ignore
+
+# Makefiles always use tabs for indentation
+[Makefile]
+indent_style = tab
+
+# Batch files use tabs for indentation
+[*.bat]
+indent_style = tab

.eslintignore

+**/{*.min,jquery}.js
+django/contrib/gis/templates/**/*.js
+node_modules/**.js

.eslintrc

+{
+    "rules": {
+        "camelcase": [1, {"properties": "always"}],
+        "comma-spacing": [1, {"before": false, "after": true}],
+        "dot-notation": [1, {"allowKeywords": true}],
+        "curly": [1, "all"],
+        "indent": [
+            2,
+            4
+        ],
+        "key-spacing": [1, {
+            "beforeColon": false,
+            "afterColon": true
+        }],
+        "new-cap": [1, {"newIsCap": true, "capIsNew": true}],
+        "no-alert": [0],
+        "no-eval": [1],
+        "no-extend-native": [2, {"exceptions": ["Date", "String"]}],
+        "no-multi-spaces": [1],
+        "no-octal-escape": [1],
+        "no-underscore-dangle": [1],
+        "no-unused-vars": [2, {"vars": "local", "args": "none"}],
+        "no-script-url": [1],
+        "no-shadow": [1, {"hoist": "functions"}],
+        "quotes": [
+            1,
+            "single"
+        ],
+        "linebreak-style": [
+            2,
+            "unix"
+        ],
+        "semi": [
+            2,
+            "always"
+        ],
+        "space-before-blocks": [2, "always"],
+        "space-before-function-paren": [1, {"anonymous": "always", "named": "never"}],
+        "space-infix-ops": [
+            1,
+            {"int32Hint": false}
+        ],
+        "strict": [1, "function"]
+    },
+    "env": {
+        "browser": true
+    },
+    "globals": {
+        "django": false
+    }
+}
\ No newline at end of file

.gitignore

@@ -6,6 +6,7 @@ MANIFEST
 dist/
 docs/_build/
 docs/locale/
+node_modules/
 tests/coverage_html/
 tests/.coverage
 build/

django/contrib/admin/static/admin/js/SelectBox.js

+/*eslint no-cond-assign:1*/
 var SelectBox = {
-    cache: new Object(),
+    cache: {},
     init: function(id) {
         var box = document.getElementById(id);
         var node;
-        SelectBox.cache[id] = new Array();
+        SelectBox.cache[id] = [];
         var cache = SelectBox.cache[id];
         for (var i = 0; (node = box.options[i]); i++) {
             cache.push({value: node.value, text: node.text, displayed: 1});
@@ -31,7 +32,7 @@ var SelectBox = {
         for (var i = 0; (node = SelectBox.cache[id][i]); i++) {
             node.displayed = 1;
             for (var j = 0; (token = tokens[j]); j++) {
-                if (node.text.toLowerCase().indexOf(token) == -1) {
+                if (node.text.toLowerCase().indexOf(token) === -1) {
                     node.displayed = 0;
                 }
             }
@@ -41,13 +42,13 @@ var SelectBox = {
     delete_from_cache: function(id, value) {
         var node, delete_index = null;
         for (var i = 0; (node = SelectBox.cache[id][i]); i++) {
-            if (node.value == value) {
+            if (node.value === value) {
                 delete_index = i;
                 break;
             }
         }
         var j = SelectBox.cache[id].length - 1;
-        for (var i = delete_index; i < j; i++) {
+        for (i = delete_index; i < j; i++) {
             SelectBox.cache[id][i] = SelectBox.cache[id][i+1];
         }
         SelectBox.cache[id].length--;
@@ -59,7 +60,7 @@ var SelectBox = {
         // Check if an item is contained in the cache
         var node;
         for (var i = 0; (node = SelectBox.cache[id][i]); i++) {
-            if (node.value == value) {
+            if (node.value === value) {
                 return true;
             }
         }
@@ -67,7 +68,6 @@ var SelectBox = {
     },
     move: function(from, to) {
         var from_box = document.getElementById(from);
-        var to_box = document.getElementById(to);
         var option;
         for (var i = 0; (option = from_box.options[i]); i++) {
             if (option.selected && SelectBox.cache_contains(from, option.value)) {
@@ -80,7 +80,6 @@ var SelectBox = {
     },
     move_all: function(from, to) {
         var from_box = document.getElementById(from);
-        var to_box = document.getElementById(to);
         var option;
         for (var i = 0; (option = from_box.options[i]); i++) {
             if (SelectBox.cache_contains(from, option.value)) {
@@ -111,4 +110,4 @@ var SelectBox = {
             box.options[i].selected = 'selected';
         }
     }
-}
+};

django/contrib/admin/static/admin/js/admin/DateTimeShortcuts.js

+/*global addEvent, Calendar, cancelEventPropagation, findPosX, findPosY, getStyle, get_format, gettext, interpolate, ngettext, quickElement, removeEvent*/
 // Inserts shortcut buttons after all of the following:
 //     <input type="text" class="vDateField">
 //     <input type="text" class="vTimeField">
@@ -17,20 +18,20 @@ var DateTimeShortcuts = {
     timezoneWarningClass: 'timezonewarning', // class of the warning for timezone mismatch
     timezoneOffset: 0,
     init: function() {
-        if (window.__admin_utc_offset__ != undefined) {
+        if (window.__admin_utc_offset__ !== undefined) {
             var serverOffset = window.__admin_utc_offset__;
             var localOffset = new Date().getTimezoneOffset() * -60;
             DateTimeShortcuts.timezoneOffset = localOffset - serverOffset;
         }
 
         var inputs = document.getElementsByTagName('input');
-        for (i=0; i<inputs.length; i++) {
+        for (var i=0; i<inputs.length; i++) {
             var inp = inputs[i];
-            if (inp.getAttribute('type') == 'text' && inp.className.match(/vTimeField/)) {
+            if (inp.getAttribute('type') === 'text' && inp.className.match(/vTimeField/)) {
                 DateTimeShortcuts.addClock(inp);
                 DateTimeShortcuts.addTimezoneWarning(inp);
             }
-            else if (inp.getAttribute('type') == 'text' && inp.className.match(/vDateField/)) {
+            else if (inp.getAttribute('type') === 'text' && inp.className.match(/vDateField/)) {
                 DateTimeShortcuts.addCalendar(inp);
                 DateTimeShortcuts.addTimezoneWarning(inp);
             }
@@ -38,7 +39,7 @@ var DateTimeShortcuts = {
     },
     // Return the current time while accounting for the server timezone.
     now: function() {
-        if (window.__admin_utc_offset__ != undefined) {
+        if (window.__admin_utc_offset__ !== undefined) {
             var serverOffset = window.__admin_utc_offset__;
             var localNow = new Date();
             var localOffset = localNow.getTimezoneOffset() * -60;
@@ -71,7 +72,7 @@ var DateTimeShortcuts = {
             );
         }
         else {
-            timezoneOffset *= -1
+            timezoneOffset *= -1;
             message = ngettext(
                 'Note: You are %s hour behind server time.',
                 'Note: You are %s hours behind server time.',
@@ -86,7 +87,7 @@ var DateTimeShortcuts = {
 
         $(inp).parent()
             .append($('<br>'))
-            .append($warning)
+            .append($warning);
     },
     // Add clock widget to a given field
     addClock: function(inp) {
@@ -150,7 +151,7 @@ var DateTimeShortcuts = {
         cancel_p.className = 'calendar-cancel';
         quickElement('a', cancel_p, gettext('Cancel'), 'href', 'javascript:DateTimeShortcuts.dismissClock(' + num + ');');
         django.jQuery(document).bind('keyup', function(event) {
-            if (event.which == 27) {
+            if (event.which === 27) {
                 // ESC key closes popup
                 DateTimeShortcuts.dismissClock(num);
                 event.preventDefault();
@@ -158,12 +159,12 @@ var DateTimeShortcuts = {
         });
     },
     openClock: function(num) {
-        var clock_box = document.getElementById(DateTimeShortcuts.clockDivName+num)
-        var clock_link = document.getElementById(DateTimeShortcuts.clockLinkName+num)
+        var clock_box = document.getElementById(DateTimeShortcuts.clockDivName+num);
+        var clock_link = document.getElementById(DateTimeShortcuts.clockLinkName+num);
 
         // Recalculate the clockbox position
         // is it left-to-right or right-to-left layout ?
-        if (getStyle(document.body,'direction')!='rtl') {
+        if (getStyle(document.body,'direction')!=='rtl') {
             clock_box.style.left = findPosX(clock_link) + 17 + 'px';
         }
         else {
@@ -180,20 +181,20 @@ var DateTimeShortcuts = {
         addEvent(document, 'click', DateTimeShortcuts.dismissClockFunc[num]);
     },
     dismissClock: function(num) {
-       document.getElementById(DateTimeShortcuts.clockDivName + num).style.display = 'none';
-       removeEvent(document, 'click', DateTimeShortcuts.dismissClockFunc[num]);
+        document.getElementById(DateTimeShortcuts.clockDivName + num).style.display = 'none';
+        removeEvent(document, 'click', DateTimeShortcuts.dismissClockFunc[num]);
     },
     handleClockQuicklink: function(num, val) {
-       var d;
-       if (val == -1) {
-           d = DateTimeShortcuts.now();
-       }
-       else {
-           d = new Date(1970, 1, 1, val, 0, 0, 0)
-       }
-       DateTimeShortcuts.clockInputs[num].value = d.strftime(get_format('TIME_INPUT_FORMATS')[0]);
-       DateTimeShortcuts.clockInputs[num].focus();
-       DateTimeShortcuts.dismissClock(num);
+        var d;
+        if (val === -1) {
+            d = DateTimeShortcuts.now();
+        }
+        else {
+            d = new Date(1970, 1, 1, val, 0, 0, 0);
+        }
+        DateTimeShortcuts.clockInputs[num].value = d.strftime(get_format('TIME_INPUT_FORMATS')[0]);
+        DateTimeShortcuts.clockInputs[num].focus();
+        DateTimeShortcuts.dismissClock(num);
     },
     // Add calendar widget to a given field.
     addCalendar: function(inp) {
@@ -274,7 +275,7 @@ var DateTimeShortcuts = {
         cancel_p.className = 'calendar-cancel';
         quickElement('a', cancel_p, gettext('Cancel'), 'href', 'javascript:DateTimeShortcuts.dismissCalendar(' + num + ');');
         django.jQuery(document).bind('keyup', function(event) {
-            if (event.which == 27) {
+            if (event.which === 27) {
                 // ESC key closes popup
                 DateTimeShortcuts.dismissCalendar(num);
                 event.preventDefault();
@@ -282,8 +283,8 @@ var DateTimeShortcuts = {
         });
     },
     openCalendar: function(num) {
-        var cal_box = document.getElementById(DateTimeShortcuts.calendarDivName1+num)
-        var cal_link = document.getElementById(DateTimeShortcuts.calendarLinkName+num)
+        var cal_box = document.getElementById(DateTimeShortcuts.calendarDivName1+num);
+        var cal_link = document.getElementById(DateTimeShortcuts.calendarLinkName+num);
         var inp = DateTimeShortcuts.calendarInputs[num];
 
         // Determine if the current value in the input has a valid date.
@@ -293,7 +294,7 @@ var DateTimeShortcuts = {
             var selected = inp.value.strptime(format);
             var year = selected.getFullYear();
             var month = selected.getMonth() + 1;
-            var re = /\d{4}/
+            var re = /\d{4}/;
             if (re.test(year.toString()) && month >= 1 && month <= 12) {
                 DateTimeShortcuts.calendars[num].drawDate(month, year, selected);
             }
@@ -301,7 +302,7 @@ var DateTimeShortcuts = {
 
         // Recalculate the clockbox position
         // is it left-to-right or right-to-left layout ?
-        if (getStyle(document.body,'direction')!='rtl') {
+        if (getStyle(document.body,'direction')!=='rtl') {
             cal_box.style.left = findPosX(cal_link) + 17 + 'px';
         }
         else {
@@ -345,12 +346,12 @@ var DateTimeShortcuts = {
                ").style.display='none';}"].join('');
     },
     handleCalendarQuickLink: function(num, offset) {
-       var d = DateTimeShortcuts.now();
-       d.setDate(d.getDate() + offset)
-       DateTimeShortcuts.calendarInputs[num].value = d.strftime(get_format('DATE_INPUT_FORMATS')[0]);
-       DateTimeShortcuts.calendarInputs[num].focus();
-       DateTimeShortcuts.dismissCalendar(num);
+        var d = DateTimeShortcuts.now();
+        d.setDate(d.getDate() + offset);
+        DateTimeShortcuts.calendarInputs[num].value = d.strftime(get_format('DATE_INPUT_FORMATS')[0]);
+        DateTimeShortcuts.calendarInputs[num].focus();
+        DateTimeShortcuts.dismissCalendar(num);
     }
-}
+};
 
 addEvent(window, 'load', DateTimeShortcuts.init);

django/contrib/admin/static/admin/js/admin/RelatedObjectLookups.js

+/*global SelectBox, interpolate*/
 // Handles related-objects functionality: lookup link for raw_id_fields
 // and Add Another links.
 
@@ -32,7 +33,7 @@ function showAdminPopup(triggeringLink, name_regexp, add_popup) {
     name = id_to_windowname(name);
     var href = triggeringLink.href;
     if (add_popup) {
-        if (href.indexOf('?') == -1) {
+        if (href.indexOf('?') === -1) {
             href += '?_popup=1';
         } else {
             href += '&_popup=1';
@@ -50,7 +51,7 @@ function showRelatedObjectLookupPopup(triggeringLink) {
 function dismissRelatedLookupPopup(win, chosenId) {
     var name = windowname_to_id(win.name);
     var elem = document.getElementById(name);
-    if (elem.className.indexOf('vManyToManyRawIdAdminField') != -1 && elem.value) {
+    if (elem.className.indexOf('vManyToManyRawIdAdminField') !== -1 && elem.value) {
         elem.value += ',' + chosenId;
     } else {
         document.getElementById(name).value = chosenId;
@@ -86,10 +87,10 @@ function dismissAddRelatedObjectPopup(win, newId, newRepr) {
     var elem = document.getElementById(name);
     if (elem) {
         var elemName = elem.nodeName.toUpperCase();
-        if (elemName == 'SELECT') {
+        if (elemName === 'SELECT') {
             elem.options[elem.options.length] = new Option(newRepr, newId, true, true);
-        } else if (elemName == 'INPUT') {
-            if (elem.className.indexOf('vManyToManyRawIdAdminField') != -1 && elem.value) {
+        } else if (elemName === 'INPUT') {
+            if (elem.className.indexOf('vManyToManyRawIdAdminField') !== -1 && elem.value) {
                 elem.value += ',' + newId;
             } else {
                 elem.value = newId;
@@ -113,13 +114,13 @@ function dismissChangeRelatedObjectPopup(win, objId, newRepr, newId) {
     var selectsSelector = interpolate('#%s, #%s_from, #%s_to', [id, id, id]);
     var selects = django.jQuery(selectsSelector);
     selects.find('option').each(function() {
-        if (this.value == objId) {
+        if (this.value === objId) {
             this.innerHTML = newRepr;
             this.value = newId;
         }
     });
     win.close();
-};
+}
 
 function dismissDeleteRelatedObjectPopup(win, objId) {
     objId = html_unescape(objId);
@@ -127,13 +128,13 @@ function dismissDeleteRelatedObjectPopup(win, objId) {
     var selectsSelector = interpolate('#%s, #%s_from, #%s_to', [id, id, id]);
     var selects = django.jQuery(selectsSelector);
     selects.find('option').each(function() {
-        if (this.value == objId) {
+        if (this.value === objId) {
             django.jQuery(this).remove();
         }
     }).trigger('change');
     win.close();
-};
+}
 
 // Kept for backward compatibility
-showAddAnotherPopup = showRelatedObjectPopup;
-dismissAddAnotherPopup = dismissAddRelatedObjectPopup;
+var showAddAnotherPopup = showRelatedObjectPopup;
+var dismissAddAnotherPopup = dismissAddRelatedObjectPopup;

django/contrib/admin/static/admin/js/calendar.js

+/*global gettext, get_format, quickElement, removeChildren*/
 /*
 calendar.js - Calendar functions by Adrian Holovaty
 depends on core.js for utility functions like removeChildren or quickElement
@@ -9,17 +10,17 @@ var CalendarNamespace = {
     daysOfWeek: gettext('S M T W T F S').split(' '),
     firstDayOfWeek: parseInt(get_format('FIRST_DAY_OF_WEEK')),
     isLeapYear: function(year) {
-        return (((year % 4)==0) && ((year % 100)!=0) || ((year % 400)==0));
+        return (((year % 4)===0) && ((year % 100)!==0) || ((year % 400)===0));
     },
     getDaysInMonth: function(month,year) {
         var days;
-        if (month==1 || month==3 || month==5 || month==7 || month==8 || month==10 || month==12) {
+        if (month===1 || month===3 || month===5 || month===7 || month===8 || month===10 || month===12) {
             days = 31;
         }
-        else if (month==4 || month==6 || month==9 || month==11) {
+        else if (month===4 || month===6 || month===9 || month===11) {
             days = 30;
         }
-        else if (month==2 && CalendarNamespace.isLeapYear(year)) {
+        else if (month===2 && CalendarNamespace.isLeapYear(year)) {
             days = 29;
         }
         else {
@@ -46,8 +47,8 @@ var CalendarNamespace = {
         // The day variable above will be 1 instead of 2 in, say, US Pacific time
         // zone.
         var isSelectedMonth = false;
-        if (typeof selected != 'undefined') {
-            isSelectedMonth = (selected.getUTCFullYear() == year && (selected.getUTCMonth()+1) == month);
+        if (typeof selected !== 'undefined') {
+            isSelectedMonth = (selected.getUTCFullYear() === year && (selected.getUTCMonth()+1) === month);
         }
 
         month = parseInt(month);
@@ -67,28 +68,30 @@ var CalendarNamespace = {
         var startingPos = new Date(year, month-1, 1 - CalendarNamespace.firstDayOfWeek).getDay();
         var days = CalendarNamespace.getDaysInMonth(month, year);
 
+        var _cell;
+
         // Draw blanks before first of month
         tableRow = quickElement('tr', tableBody);
-        for (var i = 0; i < startingPos; i++) {
-            var _cell = quickElement('td', tableRow, ' ');
+        for (i = 0; i < startingPos; i++) {
+            _cell = quickElement('td', tableRow, ' ');
             _cell.className = "nonday";
         }
 
         // Draw days of month
         var currentDay = 1;
-        for (var i = startingPos; currentDay <= days; i++) {
-            if (i%7 == 0 && currentDay != 1) {
+        for (i = startingPos; currentDay <= days; i++) {
+            if (i%7 === 0 && currentDay !== 1) {
                 tableRow = quickElement('tr', tableBody);
             }
-            if ((currentDay==todayDay) && (month==todayMonth) && (year==todayYear)) {
+            if ((currentDay===todayDay) && (month===todayMonth) && (year===todayYear)) {
                 todayClass='today';
             } else {
                 todayClass='';
             }
 
             // use UTC function; see above for explanation.
-            if (isSelectedMonth && currentDay == selected.getUTCDate()) {
-                if (todayClass != '') todayClass += " ";
+            if (isSelectedMonth && currentDay === selected.getUTCDate()) {
+                if (todayClass !== '') todayClass += " ";
                 todayClass += "selected";
             }
 
@@ -100,13 +103,13 @@ var CalendarNamespace = {
 
         // Draw blanks after end of month (optional, but makes for valid code)
         while (tableRow.childNodes.length < 7) {
-            var _cell = quickElement('td', tableRow, ' ');
+            _cell = quickElement('td', tableRow, ' ');
             _cell.className = "nonday";
         }
 
         calDiv.appendChild(calTable);
     }
-}
+};
 
 // Calendar -- A calendar instance
 function Calendar(div_id, callback, selected) {
@@ -120,7 +123,7 @@ function Calendar(div_id, callback, selected) {
     this.today = new Date();
     this.currentMonth = this.today.getMonth() + 1;
     this.currentYear = this.today.getFullYear();
-    if (typeof selected != 'undefined') {
+    if (typeof selected !== 'undefined') {
         this.selected = selected;
     }
 }
@@ -139,7 +142,7 @@ Calendar.prototype = {
         this.drawCurrent();
     },
     drawPreviousMonth: function() {
-        if (this.currentMonth == 1) {
+        if (this.currentMonth === 1) {
             this.currentMonth = 12;
             this.currentYear--;
         }
@@ -149,7 +152,7 @@ Calendar.prototype = {
         this.drawCurrent();
     },
     drawNextMonth: function() {
-        if (this.currentMonth == 12) {
+        if (this.currentMonth === 12) {
             this.currentMonth = 1;
             this.currentYear++;
         }
@@ -166,4 +169,4 @@ Calendar.prototype = {
         this.currentYear++;
         this.drawCurrent();
     }
-}
+};

django/contrib/admin/static/admin/js/collapse.js

+/*global gettext*/
 (function($) {
-	$(document).ready(function() {
-		// Add anchor tag for Show/Hide link
-		$("fieldset.collapse").each(function(i, elem) {
-			// Don't hide if fields in this fieldset have errors
-			if ($(elem).find("div.errors").length == 0) {
-				$(elem).addClass("collapsed").find("h2").first().append(' (<a id="fieldsetcollapser' +
-					i +'" class="collapse-toggle" href="#">' + gettext("Show") +
-					'</a>)');
-			}
-		});
-		// Add toggle to anchor tag
-		$("fieldset.collapse a.collapse-toggle").click(function(ev) {
-			if ($(this).closest("fieldset").hasClass("collapsed")) {
-				// Show
-				$(this).text(gettext("Hide")).closest("fieldset").removeClass("collapsed").trigger("show.fieldset", [$(this).attr("id")]);
-			} else {
-				// Hide
-				$(this).text(gettext("Show")).closest("fieldset").addClass("collapsed").trigger("hide.fieldset", [$(this).attr("id")]);
-			}
-			return false;
-		});
-	});
+    $(document).ready(function() {
+        // Add anchor tag for Show/Hide link
+        $("fieldset.collapse").each(function(i, elem) {
+            // Don't hide if fields in this fieldset have errors
+            if ($(elem).find("div.errors").length === 0) {
+                $(elem).addClass("collapsed").find("h2").first().append(' (<a id="fieldsetcollapser' +
+                    i +'" class="collapse-toggle" href="#">' + gettext("Show") +
+                    '</a>)');
+            }
+        });
+        // Add toggle to anchor tag
+        $("fieldset.collapse a.collapse-toggle").click(function(ev) {
+            if ($(this).closest("fieldset").hasClass("collapsed")) {
+                // Show
+                $(this).text(gettext("Hide")).closest("fieldset").removeClass("collapsed").trigger("show.fieldset", [$(this).attr("id")]);
+            } else {
+                // Hide
+                $(this).text(gettext("Show")).closest("fieldset").addClass("collapsed").trigger("hide.fieldset", [$(this).attr("id")]);
+            }
+            return false;
+        });
+    });
 })(django.jQuery);

django/contrib/admin/static/admin/js/collapse.min.js

-(function(a){a(document).ready(function(){a("fieldset.collapse").each(function(c,b){a(b).find("div.errors").length==0&&a(b).addClass("collapsed").find("h2").first().append(' (<a id="fieldsetcollapser'+c+'" class="collapse-toggle" href="#">'+gettext("Show")+"</a>)")});a("fieldset.collapse a.collapse-toggle").click(function(){a(this).closest("fieldset").hasClass("collapsed")?a(this).text(gettext("Hide")).closest("fieldset").removeClass("collapsed").trigger("show.fieldset",[a(this).attr("id")]):a(this).text(gettext("Show")).closest("fieldset").addClass("collapsed").trigger("hide.fieldset",
-[a(this).attr("id")]);return false})})})(django.jQuery);
+(function(a){a(document).ready(function(){a("fieldset.collapse").each(function(b,c){0===a(c).find("div.errors").length&&a(c).addClass("collapsed").find("h2").first().append(' (<a id="fieldsetcollapser'+b+'" class="collapse-toggle" href="#">'+gettext("Show")+"</a>)")});a("fieldset.collapse a.collapse-toggle").click(function(b){a(this).closest("fieldset").hasClass("collapsed")?a(this).text(gettext("Hide")).closest("fieldset").removeClass("collapsed").trigger("show.fieldset",[a(this).attr("id")]):a(this).text(gettext("Show")).closest("fieldset").addClass("collapsed").trigger("hide.fieldset",
+[a(this).attr("id")]);return!1})})})(django.jQuery);

django/contrib/admin/static/admin/js/core.js

@@ -74,8 +74,8 @@ var xmlhttp;
 @else
     xmlhttp = false;
 @end @*/
-if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
-  xmlhttp = new XMLHttpRequest();
+if (!xmlhttp && typeof XMLHttpRequest !== 'undefined') {
+    xmlhttp = new XMLHttpRequest();
 }
 
 // ----------------------------------------------------------------------------
@@ -90,7 +90,7 @@ function findPosX(obj) {
             obj = obj.offsetParent;
         }
         // IE offsetParent does not include the top-level
-        if (isIE && obj.parentElement){
+        if (isIE && obj.parentElement) {
             curleft += obj.offsetLeft - obj.scrollLeft;
         }
     } else if (obj.x) {
@@ -107,7 +107,7 @@ function findPosY(obj) {
             obj = obj.offsetParent;
         }
         // IE offsetParent does not include the top-level
-        if (isIE && obj.parentElement){
+        if (isIE && obj.parentElement) {
             curtop += obj.offsetTop - obj.scrollTop;
         }
     } else if (obj.y) {
@@ -121,46 +121,46 @@ function findPosY(obj) {
 // ----------------------------------------------------------------------------
 
 Date.prototype.getTwelveHours = function() {
-    hours = this.getHours();
-    if (hours == 0) {
+    var hours = this.getHours();
+    if (hours === 0) {
         return 12;
     }
     else {
-        return hours <= 12 ? hours : hours-12
+        return hours <= 12 ? hours : hours-12;
     }
-}
+};
 
 Date.prototype.getTwoDigitMonth = function() {
     return (this.getMonth() < 9) ? '0' + (this.getMonth()+1) : (this.getMonth()+1);
-}
+};
 
 Date.prototype.getTwoDigitDate = function() {
     return (this.getDate() < 10) ? '0' + this.getDate() : this.getDate();
-}
+};
 
 Date.prototype.getTwoDigitTwelveHour = function() {
     return (this.getTwelveHours() < 10) ? '0' + this.getTwelveHours() : this.getTwelveHours();
-}
+};
 
 Date.prototype.getTwoDigitHour = function() {
     return (this.getHours() < 10) ? '0' + this.getHours() : this.getHours();
-}
+};
 
 Date.prototype.getTwoDigitMinute = function() {
     return (this.getMinutes() < 10) ? '0' + this.getMinutes() : this.getMinutes();
-}
+};
 
 Date.prototype.getTwoDigitSecond = function() {
     return (this.getSeconds() < 10) ? '0' + this.getSeconds() : this.getSeconds();
-}
+};
 
 Date.prototype.getHourMinute = function() {
     return this.getTwoDigitHour() + ':' + this.getTwoDigitMinute();
-}
+};
 
 Date.prototype.getHourMinuteSecond = function() {
     return this.getTwoDigitHour() + ':' + this.getTwoDigitMinute() + ':' + this.getTwoDigitSecond();
-}
+};
 
 Date.prototype.strftime = function(format) {
     var fields = {
@@ -191,7 +191,7 @@ Date.prototype.strftime = function(format) {
         ++i;
     }
     return result;
-}
+};
 
 // ----------------------------------------------------------------------------
 // String object extensions
@@ -202,42 +202,43 @@ String.prototype.pad_left = function(pad_length, pad_string) {
         new_string = pad_string + new_string;
     }
     return new_string;
-}
+};
 
 String.prototype.strptime = function(format) {
     var split_format = format.split(/[.\-/]/);
     var date = this.split(/[.\-/]/);
     var i = 0;
+    var day, month, year;
     while (i < split_format.length) {
         switch (split_format[i]) {
             case "%d":
-                var day = date[i];
+                day = date[i];
                 break;
             case "%m":
-                var month = date[i] - 1;
+                month = date[i] - 1;
                 break;
             case "%Y":
-                var year = date[i];
+                year = date[i];
                 break;
             case "%y":
-                var year = date[i];
+                year = date[i];
                 break;
         }
         ++i;
-    };
+    }
     return new Date(year, month, day);
-}
+};
 
 // ----------------------------------------------------------------------------
 // Get the computed style for and element
 // ----------------------------------------------------------------------------
-function getStyle(oElm, strCssRule){
+function getStyle(oElm, strCssRule) {
     var strValue = "";
-    if(document.defaultView && document.defaultView.getComputedStyle){
+    if(document.defaultView && document.defaultView.getComputedStyle) {
         strValue = document.defaultView.getComputedStyle(oElm, "").getPropertyValue(strCssRule);
     }
-    else if(oElm.currentStyle){
-        strCssRule = strCssRule.replace(/\-(\w)/g, function (strMatch, p1){
+    else if(oElm.currentStyle) {
+        strCssRule = strCssRule.replace(/\-(\w)/g, function (strMatch, p1) {
             return p1.toUpperCase();
         });
         strValue = oElm.currentStyle[strCssRule];

django/contrib/admin/static/admin/js/inlines.min.js

-(function(c){c.fn.formset=function(b){var a=c.extend({},c.fn.formset.defaults,b),d=c(this);b=d.parent();var k=function(a,f,l){var h=new RegExp("("+f+"-(\\d+|__prefix__))");f=f+"-"+l;c(a).prop("for")&&c(a).prop("for",c(a).prop("for").replace(h,f));a.id&&(a.id=a.id.replace(h,f));a.name&&(a.name=a.name.replace(h,f))},e=c("#id_"+a.prefix+"-TOTAL_FORMS").prop("autocomplete","off"),l=parseInt(e.val(),10),f=c("#id_"+a.prefix+"-MAX_NUM_FORMS").prop("autocomplete","off"),e=""===f.val()||0<f.val()-e.val();
-d.each(function(f){c(this).not("."+a.emptyCssClass).addClass(a.formCssClass)});if(d.length&&e){var h;"TR"==d.prop("tagName")?(d=this.eq(-1).children().length,b.append('<tr class="'+a.addCssClass+'"><td colspan="'+d+'"><a href="javascript:void(0)">'+a.addText+"</a></tr>"),h=b.find("tr:last a")):(d.filter(":last").after('<div class="'+a.addCssClass+'"><a href="javascript:void(0)">'+a.addText+"</a></div>"),h=d.filter(":last").next().find("a"));h.click(function(b){b.preventDefault();var d=c("#id_"+a.prefix+
-"-TOTAL_FORMS");b=c("#"+a.prefix+"-empty");var g=b.clone(!0);g.removeClass(a.emptyCssClass).addClass(a.formCssClass).attr("id",a.prefix+"-"+l);g.is("tr")?g.children(":last").append('<div><a class="'+a.deleteCssClass+'" href="javascript:void(0)">'+a.deleteText+"</a></div>"):g.is("ul")||g.is("ol")?g.append('<li><a class="'+a.deleteCssClass+'" href="javascript:void(0)">'+a.deleteText+"</a></li>"):g.children(":first").append('<span><a class="'+a.deleteCssClass+'" href="javascript:void(0)">'+a.deleteText+
-"</a></span>");g.find("*").each(function(){k(this,a.prefix,d.val())});g.insertBefore(c(b));c(d).val(parseInt(d.val(),10)+1);l+=1;""!==f.val()&&0>=f.val()-d.val()&&h.parent().hide();g.find("a."+a.deleteCssClass).click(function(b){b.preventDefault();b=c(this).parents("."+a.formCssClass);b.remove();--l;a.removed&&a.removed(b);b=c("."+a.formCssClass);c("#id_"+a.prefix+"-TOTAL_FORMS").val(b.length);(""===f.val()||0<f.val()-b.length)&&h.parent().show();for(var d=0,g=b.length;d<g;d++)k(c(b).get(d),a.prefix,
-d),c(b.get(d)).find("*").each(function(){k(this,a.prefix,d)})});a.added&&a.added(g)})}return this};c.fn.formset.defaults={prefix:"form",addText:"add another",deleteText:"remove",addCssClass:"add-row",deleteCssClass:"delete-row",emptyCssClass:"empty-row",formCssClass:"dynamic-form",added:null,removed:null};c.fn.tabularFormset=function(b){var a=c(this),d=function(b){c(a.selector).not(".add-row").removeClass("row1 row2").filter(":even").addClass("row1").end().filter(":odd").addClass("row2")},k=function(){"undefined"!=
-typeof SelectFilter&&(c(".selectfilter").each(function(a,c){var b=c.name.split("-");SelectFilter.init(c.id,b[b.length-1],!1)}),c(".selectfilterstacked").each(function(a,c){var b=c.name.split("-");SelectFilter.init(c.id,b[b.length-1],!0)}))},e=function(a){a.find(".prepopulated_field").each(function(){var b=c(this).find("input, select, textarea"),d=b.data("dependency_list")||[],e=[];c.each(d,function(c,b){e.push("#"+a.find(".field-"+b).find("input, select, textarea").attr("id"))});e.length&&b.prepopulate(e,
-b.attr("maxlength"))})};a.formset({prefix:b.prefix,addText:b.addText,formCssClass:"dynamic-"+b.prefix,deleteCssClass:"inline-deletelink",deleteText:b.deleteText,emptyCssClass:"empty-form",removed:d,added:function(a){e(a);"undefined"!=typeof DateTimeShortcuts&&(c(".datetimeshortcuts").remove(),DateTimeShortcuts.init());k();d(a)}});return a};c.fn.stackedFormset=function(b){var a=c(this),d=function(b){c(a.selector).find(".inline_label").each(function(a){a+=1;c(this).html(c(this).html().replace(/(#\d+)/g,
-"#"+a))})},k=function(){"undefined"!=typeof SelectFilter&&(c(".selectfilter").each(function(a,c){var b=c.name.split("-");SelectFilter.init(c.id,b[b.length-1],!1)}),c(".selectfilterstacked").each(function(a,c){var b=c.name.split("-");SelectFilter.init(c.id,b[b.length-1],!0)}))},e=function(a){a.find(".prepopulated_field").each(function(){var b=c(this).find("input, select, textarea"),d=b.data("dependency_list")||[],e=[];c.each(d,function(b,c){e.push("#"+a.find(".form-row .field-"+c).find("input, select, textarea").attr("id"))});
-e.length&&b.prepopulate(e,b.attr("maxlength"))})};a.formset({prefix:b.prefix,addText:b.addText,formCssClass:"dynamic-"+b.prefix,deleteCssClass:"inline-deletelink",deleteText:b.deleteText,emptyCssClass:"empty-form",removed:d,added:function(a){e(a);"undefined"!=typeof DateTimeShortcuts&&(c(".datetimeshortcuts").remove(),DateTimeShortcuts.init());k();d(a)}});return a}})(django.jQuery);
+(function(c){c.fn.formset=function(b){var a=c.extend({},c.fn.formset.defaults,b),d=c(this);b=d.parent();var k=function(a,g,l){var h=new RegExp("("+g+"-(\\d+|__prefix__))");g=g+"-"+l;c(a).prop("for")&&c(a).prop("for",c(a).prop("for").replace(h,g));a.id&&(a.id=a.id.replace(h,g));a.name&&(a.name=a.name.replace(h,g))},f=c("#id_"+a.prefix+"-TOTAL_FORMS").prop("autocomplete","off"),l=parseInt(f.val(),10),g=c("#id_"+a.prefix+"-MAX_NUM_FORMS").prop("autocomplete","off"),f=""===g.val()||0<g.val()-f.val();
+d.each(function(g){c(this).not("."+a.emptyCssClass).addClass(a.formCssClass)});if(d.length&&f){var h;"TR"==d.prop("tagName")?(d=this.eq(-1).children().length,b.append('<tr class="'+a.addCssClass+'"><td colspan="'+d+'"><a href="javascript:void(0)">'+a.addText+"</a></tr>"),h=b.find("tr:last a")):(d.filter(":last").after('<div class="'+a.addCssClass+'"><a href="javascript:void(0)">'+a.addText+"</a></div>"),h=d.filter(":last").next().find("a"));h.click(function(b){b.preventDefault();var d=c("#id_"+a.prefix+
+"-TOTAL_FORMS");b=c("#"+a.prefix+"-empty");var e=b.clone(!0);e.removeClass(a.emptyCssClass).addClass(a.formCssClass).attr("id",a.prefix+"-"+l);e.is("tr")?e.children(":last").append('<div><a class="'+a.deleteCssClass+'" href="javascript:void(0)">'+a.deleteText+"</a></div>"):e.is("ul")||e.is("ol")?e.append('<li><a class="'+a.deleteCssClass+'" href="javascript:void(0)">'+a.deleteText+"</a></li>"):e.children(":first").append('<span><a class="'+a.deleteCssClass+'" href="javascript:void(0)">'+a.deleteText+
+"</a></span>");e.find("*").each(function(){k(this,a.prefix,d.val())});e.insertBefore(c(b));c(d).val(parseInt(d.val(),10)+1);l+=1;""!==g.val()&&0>=g.val()-d.val()&&h.parent().hide();e.find("a."+a.deleteCssClass).click(function(b){b.preventDefault();b=c(this).parents("."+a.formCssClass);b.remove();--l;a.removed&&a.removed(b);b=c("."+a.formCssClass);c("#id_"+a.prefix+"-TOTAL_FORMS").val(b.length);(""===g.val()||0<g.val()-b.length)&&h.parent().show();for(var d=function(){k(this,a.prefix,e)},e=0,f=b.length;e<
+f;e++)k(c(b).get(e),a.prefix,e),c(b.get(e)).find("*").each(d)});a.added&&a.added(e)})}return this};c.fn.formset.defaults={prefix:"form",addText:"add another",deleteText:"remove",addCssClass:"add-row",deleteCssClass:"delete-row",emptyCssClass:"empty-row",formCssClass:"dynamic-form",added:null,removed:null};c.fn.tabularFormset=function(b){var a=c(this),d=function(b){c(a.selector).not(".add-row").removeClass("row1 row2").filter(":even").addClass("row1").end().filter(":odd").addClass("row2")},k=function(){"undefined"!=
+typeof SelectFilter&&(c(".selectfilter").each(function(a,c){var b=c.name.split("-");SelectFilter.init(c.id,b[b.length-1],!1)}),c(".selectfilterstacked").each(function(a,c){var b=c.name.split("-");SelectFilter.init(c.id,b[b.length-1],!0)}))},f=function(a){a.find(".prepopulated_field").each(function(){var b=c(this).find("input, select, textarea"),d=b.data("dependency_list")||[],f=[];c.each(d,function(c,b){f.push("#"+a.find(".field-"+b).find("input, select, textarea").attr("id"))});f.length&&b.prepopulate(f,
+b.attr("maxlength"))})};a.formset({prefix:b.prefix,addText:b.addText,formCssClass:"dynamic-"+b.prefix,deleteCssClass:"inline-deletelink",deleteText:b.deleteText,emptyCssClass:"empty-form",removed:d,added:function(a){f(a);"undefined"!=typeof DateTimeShortcuts&&(c(".datetimeshortcuts").remove(),DateTimeShortcuts.init());k();d(a)}});return a};c.fn.stackedFormset=function(b){var a=c(this),d=function(b){c(a.selector).find(".inline_label").each(function(a){a+=1;c(this).html(c(this).html().replace(/(#\d+)/g,
+"#"+a))})},k=function(){"undefined"!=typeof SelectFilter&&(c(".selectfilter").each(function(a,c){var b=c.name.split("-");SelectFilter.init(c.id,b[b.length-1],!1)}),c(".selectfilterstacked").each(function(a,c){var b=c.name.split("-");SelectFilter.init(c.id,b[b.length-1],!0)}))},f=function(a){a.find(".prepopulated_field").each(function(){var b=c(this).find("input, select, textarea"),d=b.data("dependency_list")||[],f=[];c.each(d,function(b,c){f.push("#"+a.find(".form-row .field-"+c).find("input, select, textarea").attr("id"))});
+f.length&&b.prepopulate(f,b.attr("maxlength"))})};a.formset({prefix:b.prefix,addText:b.addText,formCssClass:"dynamic-"+b.prefix,deleteCssClass:"inline-deletelink",deleteText:b.deleteText,emptyCssClass:"empty-form",removed:d,added:function(a){f(a);"undefined"!=typeof DateTimeShortcuts&&(c(".datetimeshortcuts").remove(),DateTimeShortcuts.init());k();d(a)}});return a}})(django.jQuery);

django/contrib/admin/static/admin/js/jquery.init.js

+/*global django:true, jQuery:false*/
 /* Puts the included jQuery into our own namespace using noConflict and passing
  * it 'true'. This ensures that the included jQuery doesn't pollute the global
  * namespace (i.e. this preserves pre-existing values for both window.$ and

django/contrib/admin/static/admin/js/prepopulate.js

+/*global URLify*/
 (function($) {
     $.fn.prepopulate = function(dependencies, maxLength) {
         /*

django/contrib/admin/static/admin/js/prepopulate.min.js

-(function(b){b.fn.prepopulate=function(e,g){return this.each(function(){var a=b(this),d=function(){if(!a.data("_changed")){var f=[];b.each(e,function(h,c){c=b(c);c.val().length>0&&f.push(c.val())});a.val(URLify(f.join(" "),g))}};a.data("_changed",false);a.change(function(){a.data("_changed",true)});a.val()||b(e.join(",")).keyup(d).change(d).focus(d)})}})(django.jQuery);
+(function(c){c.fn.prepopulate=function(e,f){return this.each(function(){var a=c(this),b=function(){if(!a.data("_changed")){var b=[];c.each(e,function(a,d){d=c(d);0<d.val().length&&b.push(d.val())});a.val(URLify(b.join(" "),f))}};a.data("_changed",!1);a.change(function(){a.data("_changed",!0)});a.val()||c(e.join(",")).keyup(b).change(b).focus(b)})}})(django.jQuery);

django/contrib/admin/static/admin/js/timeparse.js

@@ -2,7 +2,7 @@ var timeParsePatterns = [
     // 9
     {   re: /^\d{1,2}$/i,
         handler: function(bits) {
-            if (bits[0].length == 1) {
+            if (bits[0].length === 1) {
                 return '0' + bits[0] + ':00';
             } else {
                 return bits[0] + ':00';
@@ -25,11 +25,11 @@ var timeParsePatterns = [
     {   re: /^(\d+)\s*([ap])(?:.?m.?)?$/i,
         handler: function(bits) {
             var hour = parseInt(bits[1]);
-            if (hour == 12) {
+            if (hour === 12) {
                 hour = 0;
             }
-            if (bits[2].toLowerCase() == 'p') {
-                if (hour == 12) {
+            if (bits[2].toLowerCase() === 'p') {
+                if (hour === 12) {
                     hour = 0;
                 }
                 return (hour + 12) + ':00';
@@ -50,11 +50,11 @@ var timeParsePatterns = [
             if (mins < 10) {
                 mins = '0' + mins;
             }
-            if (hour == 12) {
+            if (hour === 12) {
                 hour = 0;
             }
-            if (bits[3].toLowerCase() == 'p') {
-                if (hour == 12) {
+            if (bits[3].toLowerCase() === 'p') {
+                if (hour === 12) {
                     hour = 0;
                 }
                 return (hour + 12) + ':' + mins;

django/contrib/gis/static/gis/js/OLMapWidget.js

+/*global OpenLayers*/
+/*eslint indent:1*/
 (function() {
-/**
- * Transforms an array of features to a single feature with the merged
- * geometry of geom_type
- */
+ /**
+  * Transforms an array of features to a single feature with the merged
+  * geometry of geom_type
+  */
 OpenLayers.Util.properFeatures = function(features, geom_type) {
-    if (features.constructor == Array) {
+        if (features.constructor === Array) {
         var geoms = [];
         for (var i=0; i<features.length; i++) {
             geoms.push(features[i].geometry);
@@ -13,7 +15,7 @@ OpenLayers.Util.properFeatures = function(features, geom_type) {
         features = new OpenLayers.Feature.Vector(geom);
     }
     return features;
-}
+};
 
 /**
  * @requires OpenLayers/Format/WKT.js
@@ -128,7 +130,7 @@ OpenLayers.Format.DjangoWKT = OpenLayers.Class(OpenLayers.Format.WKT, {
             geometry = geometry.clone();
             geometry.transform(this.internalProjection, this.externalProjection);
         }
-        var wktType = type == 'collection' ? 'GEOMETRYCOLLECTION' : type.toUpperCase();
+        var wktType = type === 'collection' ? 'GEOMETRYCOLLECTION' : type.toUpperCase();
         var data = wktType + '(' + this.extract[type].apply(this, [geometry]) + ')';
         return data;
     },
@@ -138,8 +140,8 @@ OpenLayers.Format.DjangoWKT = OpenLayers.Class(OpenLayers.Format.WKT, {
      * geometrycollections.
      */
     write: function(features) {
-        var collection, geometry, type, data, isCollection;
-        isCollection = features.geometry.CLASS_NAME == "OpenLayers.Geometry.Collection";
+        var collection, isCollection;
+        isCollection = features.geometry.CLASS_NAME === "OpenLayers.Geometry.Collection";
         var pieces = [];
         if (isCollection) {
             collection = features.geometry.components;
@@ -168,8 +170,8 @@ function MapWidget(options) {
     this.wkt_f = new OpenLayers.Format.DjangoWKT();
 
     // Mapping from OGRGeomType name to OpenLayers.Geometry name
-    if (options['geom_name'] == 'Unknown') options['geom_type'] = OpenLayers.Geometry;
-    else if (options['geom_name'] == 'GeometryCollection') options['geom_type'] = OpenLayers.Geometry.Collection;
+    if (options['geom_name'] === 'Unknown') options['geom_type'] = OpenLayers.Geometry;
+    else if (options['geom_name'] === 'GeometryCollection') options['geom_type'] = OpenLayers.Geometry.Collection;
     else options['geom_type'] = eval('OpenLayers.Geometry.' + options['geom_name']);
 
     // Default options
@@ -204,7 +206,7 @@ function MapWidget(options) {
         'fillOpacity': this.options.opacity,
         'strokeColor': '#' + this.options.color
     };
-    if (this.options.geom_name == 'LineString') {
+    if (this.options.geom_name === 'LineString') {
         defaults_style['strokeWidth'] = 3;
     }
     var styleMap = new OpenLayers.StyleMap({'default': OpenLayers.Util.applyDefaults(defaults_style, OpenLayers.Feature.Vector.style['default'])});
@@ -222,7 +224,7 @@ function MapWidget(options) {
             this.layers.vector.addFeatures([feat]);
         }
         this.map.zoomToExtent(feat.geometry.getBounds());
-        if (this.options.geom_name == 'Point') {
+        if (this.options.geom_name === 'Point') {
             this.map.zoomTo(this.options.point_zoom);
         }
     } else {
@@ -262,7 +264,7 @@ MapWidget.prototype.create_map = function() {
     if (this.options.base_layer) this.layers.base = this.options.base_layer;
     else this.layers.base = new OpenLayers.Layer.WMS('OpenLayers WMS', 'http://vmap0.tiles.osgeo.org/wms/vmap0', {layers: 'basic'});
     map.addLayer(this.layers.base);
-    return map
+    return map;
 };
 
 MapWidget.prototype.get_ewkt = function(feat) {
@@ -270,7 +272,7 @@ MapWidget.prototype.get_ewkt = function(feat) {
 };
 
 MapWidget.prototype.read_wkt = function(wkt) {
-    var prefix = 'SRID=' + this.options.map_srid + ';'
+    var prefix = 'SRID=' + this.options.map_srid + ';';
     if (wkt.indexOf(prefix) === 0) {
         wkt = wkt.slice(prefix.length);
     }
@@ -296,7 +298,7 @@ MapWidget.prototype.add_wkt = function(event) {
         this.write_wkt(feat);
     } else {
         if (this.layers.vector.features.length > 1) {
-            old_feats = [this.layers.vector.features[0]];
+            var old_feats = [this.layers.vector.features[0]];
             this.layers.vector.removeFeatures(old_feats);
             this.layers.vector.destroyFeatures(old_feats);
         }
@@ -306,7 +308,7 @@ MapWidget.prototype.add_wkt = function(event) {
 
 MapWidget.prototype.modify_wkt = function(event) {
     if (this.options.is_collection) {
-        if (this.options.geom_name == 'MultiPoint') {
+        if (this.options.geom_name === 'MultiPoint') {
             this.add_wkt(event);
             return;
         } else {
@@ -359,13 +361,13 @@ MapWidget.prototype.getControls = function(layer) {
     this.controls = [new OpenLayers.Control.Navigation()];
     if (!this.options.modifiable && layer.features.length)
         return;
-    if (this.options.geom_name.indexOf('LineString') >= 0 || this.options.geom_name == 'GeometryCollection' || this.options.geom_name == 'Unknown') {
+    if (this.options.geom_name.indexOf('LineString') >= 0 || this.options.geom_name === 'GeometryCollection' || this.options.geom_name === 'Unknown') {
         this.controls.push(new OpenLayers.Control.DrawFeature(layer, OpenLayers.Handler.Path, {'displayClass': 'olControlDrawFeaturePath'}));
     }
-    if (this.options.geom_name.indexOf('Polygon') >= 0 || this.options.geom_name == 'GeometryCollection' || this.options.geom_name == 'Unknown') {
+    if (this.options.geom_name.indexOf('Polygon') >= 0 || this.options.geom_name === 'GeometryCollection' || this.options.geom_name === 'Unknown') {
         this.controls.push(new OpenLayers.Control.DrawFeature(layer, OpenLayers.Handler.Polygon, {'displayClass': 'olControlDrawFeaturePolygon'}));
     }
-    if (this.options.geom_name.indexOf('Point') >= 0 || this.options.geom_name == 'GeometryCollection' || this.options.geom_name == 'Unknown') {
+    if (this.options.geom_name.indexOf('Point') >= 0 || this.options.geom_name === 'GeometryCollection' || this.options.geom_name === 'Unknown') {
         this.controls.push(new OpenLayers.Control.DrawFeature(layer, OpenLayers.Handler.Point, {'displayClass': 'olControlDrawFeaturePoint'}));
     }
     if (this.options.modifiable) {

docs/internals/contributing/writing-code/coding-style.txt

@@ -7,6 +7,11 @@ Please follow these coding standards when writing code for inclusion in Django.
 Python style
 ------------
 
+* Please conform to the indentation style dictated in the ``.editorconfig``
+  file. We recommend using a text editor with `EditorConfig`_ support to avoid
+  indentation and whitespace issues. The Python files use 4 spaces for
+  indentation and the HTML files use 2 spaces.
+
 * Unless otherwise specified, follow :pep:`8`.
 
   Use `flake8`_ to check for problems in this area. Note that our ``setup.cfg``
@@ -286,4 +291,11 @@ Miscellaneous
   change to the ``AUTHORS`` file in your patch if you make more than a
   single trivial change.
 
+JavaScript style
+----------------
+
+For details about the JavaScript code style used by Django, see
+:doc:`javascript`.
+
+.. _editorconfig: http://editorconfig.org/
 .. _flake8: https://pypi.python.org/pypi/flake8

docs/internals/contributing/writing-code/index.txt

@@ -13,3 +13,4 @@ chances to be included in Django core:
    unit-tests
    submitting-patches
    working-with-git
+   javascript

docs/internals/contributing/writing-code/javascript.txt

+==========
+JavaScript
+==========
+
+While most of Django core is Python, the ``admin`` and ``gis`` contrib apps
+contain JavaScript code.
+
+Please follow these coding standards when writing JavaScript code for inclusion
+in Django.
+
+Code style
+----------
+
+* Please conform to the indentation style dictated in the ``.editorconfig``
+  file. We recommend using a text editor with `EditorConfig`_ support to avoid
+  indentation and whitespace issues. Most of the JavaScript files use 4 spaces
+  for indentation, but there are some exceptions.
+
+* When naming variables, use ``camelCase`` instead of ``underscore_case``.
+  Different JavaScript files sometimes use a different code style. Please try to
+  conform to the code style of each file.
+
+* Use the `JSHint`_ code linter to check your code for bugs and style errors.
+  JSHint will be run when you run the JavaScript tests. We also recommended
+  installing a JSHint plugin in your text editor.
+
+.. _javascript-patches:
+
+JavaScript patches
+------------------
+
+Django's admin system leverages the jQuery framework to increase the
+capabilities of the admin interface. In conjunction, there is an emphasis on
+admin JavaScript performance and minimizing overall admin media file size.
+Serving compressed or "minified" versions of JavaScript files is considered
+best practice in this regard.
+
+To that end, patches for JavaScript files should include both the original
+code for future development (e.g. ``foo.js``), and a compressed version for
+production use (e.g. ``foo.min.js``). Any links to the file in the codebase
+should point to the compressed version.
+
+Compressing JavaScript
+~~~~~~~~~~~~~~~~~~~~~~
+
+To simplify the process of providing optimized JavaScript code, Django
+includes a handy Python script which should be used to create a "minified"
+version. To run it::
+
+    python django/contrib/admin/bin/compress.py
+
+Behind the scenes, ``compress.py`` is a front-end for Google's
+`Closure Compiler`_ which is written in Java. However, the Closure Compiler
+library is not bundled with Django directly, so those wishing to contribute
+complete JavaScript patches will need to download and install the library
+independently. The Closure Compiler library requires `Java`_ 7 or higher.
+
+Please don't forget to run ``compress.py`` and include the ``diff`` of the
+minified scripts when submitting patches for Django's JavaScript.
+
+.. _Closure Compiler: https://developers.google.com/closure/compiler/
+.. _EditorConfig: http://editorconfig.org/
+.. _Java: https://www.java.com
+.. _jshint: http://jshint.com/

docs/internals/contributing/writing-code/submitting-patches.txt

@@ -145,6 +145,8 @@ Regardless of the way you submit your work, follow these steps.
   obvious that the ticket includes a patch, and it will add the ticket to
   the `list of tickets with patches`_.
 
+.. _list of tickets with patches: https://code.djangoproject.com/query?status=new&status=assigned&status=reopened&has_patch=1&order=priority
+.. _ticket tracker: https://code.djangoproject.com/newticket
 
 Non-trivial patches
 -------------------
@@ -245,39 +247,8 @@ the new version are removed.
 JavaScript patches
 ------------------
 
-Django's admin system leverages the jQuery framework to increase the
-capabilities of the admin interface. In conjunction, there is an emphasis on
-admin JavaScript performance and minimizing overall admin media file size.
-Serving compressed or "minified" versions of JavaScript files is considered
-best practice in this regard.
-
-To that end, patches for JavaScript files should include both the original
-code for future development (e.g. ``foo.js``), and a compressed version for
-production use (e.g. ``foo.min.js``). Any links to the file in the codebase
-should point to the compressed version.
-
-Compressing JavaScript
-~~~~~~~~~~~~~~~~~~~~~~
-
-To simplify the process of providing optimized JavaScript code, Django
-includes a handy Python script which should be used to create a "minified"
-version. To run it::
-
-    python django/contrib/admin/bin/compress.py
-
-Behind the scenes, ``compress.py`` is a front-end for Google's
-`Closure Compiler`_ which is written in Java. However, the Closure Compiler
-library is not bundled with Django directly, so those wishing to contribute
-complete JavaScript patches will need to download and install the library
-independently. The Closure Compiler library requires `Java`_ 7 or higher.
-
-Please don't forget to run ``compress.py`` and include the ``diff`` of the
-minified scripts when submitting patches for Django's JavaScript.
-
-.. _Closure Compiler: https://developers.google.com/closure/compiler/
-.. _list of tickets with patches: https://code.djangoproject.com/query?status=new&status=assigned&status=reopened&has_patch=1&order=priority
-.. _ticket tracker: https://code.djangoproject.com/newticket
-.. _Java: https://www.java.com
+For information on JavaScript patches, see the :ref:`javascript-patches`
+documentation.
 
 .. _patch-review-checklist:
 

package.json

+{
+  "name": "Django",
+  "private": true,
+  "scripts": {
+    "pretest": "eslint django/"
+  },
+  "devDependencies": {
+    "eslint": "^0.22.1"
+  }
+}