Convert lodah-es and d3 to named imports for validations

modules/validations/deprecated_tag.js

@@ -1,4 +1,5 @@
-import _ from 'lodash';
+import _isEmpty from 'lodash-es/isEmpty';
+
 import { t } from '../util/locale';
 import { utilTagText } from '../util/index';
 
@@ -11,7 +12,7 @@ export function validationDeprecatedTag() {
             var change = changes.created[i],
                 deprecatedTags = change.deprecatedTags();
 
-            if (!_.isEmpty(deprecatedTags)) {
+            if (!_isEmpty(deprecatedTags)) {
                 var tags = utilTagText({ tags: deprecatedTags });
                 warnings.push({
                     id: 'deprecated_tags',

modules/validations/disconnected_highway.js

@@ -3,7 +3,6 @@ import { t } from '../util/locale';
 
 export function validationDisconnectedHighway() {
 
-
     function isDisconnectedHighway(entity, graph) {
         if (!entity.tags.highway) return false;
         if (entity.geometry(graph) !== 'line') return false;

modules/validations/many_deletions.js

@@ -1,5 +1,6 @@
 import { t } from '../util/locale';
 
+
 export function validationManyDeletions() {
     var threshold = 100;
 

modules/validations/missing_tag.js

@@ -1,11 +1,12 @@
-import _ from 'lodash';
+import _without from 'lodash-es/without';
 import { t } from '../util/locale';
 
+
 export function validationMissingTag() {
 
     // Slightly stricter check than Entity#isUsed (#3091)
     function hasTags(entity, graph) {
-        return _.without(Object.keys(entity.tags), 'area', 'name').length > 0 ||
+        return _without(Object.keys(entity.tags), 'area', 'name').length > 0 ||
             graph.parentRelations(entity).length > 0;
     }
 

modules/validations/old_multipolygon.js

@@ -4,7 +4,6 @@ import { osmIsSimpleMultipolygonOuterMember } from '../osm';
 
 export function validationOldMultipolygon() {
 
-
     return function validation(changes, graph) {
         var warnings = [];
         for (var i = 0; i < changes.created.length; i++) {

modules/validations/tag_suggests_area.js

@@ -1,4 +1,4 @@
-import _ from 'lodash';
+import _isEmpty from 'lodash-es/isEmpty';
 import { t } from '../util/locale';
 
 
@@ -7,7 +7,7 @@ import { t } from '../util/locale';
 export function validationTagSuggestsArea() {
 
     function tagSuggestsArea(tags) {
-        if (_.isEmpty(tags)) return false;
+        if (_isEmpty(tags)) return false;
 
         var presence = ['landuse', 'amenities', 'tourism', 'shop'];
         for (var i = 0; i < presence.length; i++) {