initial plumbing for iD validation errors

ref #remote-presets

modules/validations/index.js

@@ -1,7 +1,7 @@
-export { validationCollection } from './validation_collection';
 export { validationDeprecatedTag } from './deprecated_tag';
 export { validationDisconnectedHighway } from './disconnected_highway';
 export { validationManyDeletions } from './many_deletions';
+export { validationMapCSSChecks } from './mapcss_checks';
 export { validationMissingTag } from './missing_tag';
 export { validationOldMultipolygon } from './old_multipolygon';
 export { validationTagSuggestsArea } from './tag_suggests_area';

modules/validations/mapcss_checks.js

@@ -0,0 +1,20 @@
+// import { t } from '../util/locale';
+
+export function validationMapCSSChecks() {
+    var validation = function(changes, graph, rules) {
+        var warnings = [];
+        var createdModified = ['created', 'modified'];
+        for (var i = 0; i < createdModified.length; i++) {
+            var entities = changes[createdModified[i]];
+            for (var j = 0; j < entities.length; j++) {
+                var entity = entities[i];
+                for (var k = 0; k < rules.length; k++) {
+                    var rule = rules[k];
+                    rules.findWarnings(entity, rules);
+                }
+            }
+        }
+        return warnings;
+    };
+    return validation;
+}

modules/validations/validation_collection.js

@@ -1,16 +0,0 @@
-import { utilStringQs } from '../util';
-import { text as d3_text } from 'd3-request';
-import mapcssParse from 'mapcss-parse/source/index';
-
-export function validationCollection() {
-    var validations = {};
-    validations.init = function (callback) { 
-        var validationsUrl = utilStringQs(window.location.hash)['validations'];
-        d3_text(validationsUrl, function(err, mapcss) {
-            if (err) return;
-            callback(mapcssParse(mapcss));            
-        });
-    };
-
-    return validations; 
-}