add mobile graphql test rule

lib/rules/no-more-than-10-fields.ts

@@ -0,0 +1,106 @@
+import { Kind, NameNode } from 'graphql';
+import { GraphQLESLintRule } from '@graphql-eslint/eslint-plugin/';
+//import { GraphQLESLintRuleContext,} from '@graphql-eslint/eslint-plugin/';
+const RULE_ID = 'no-more-than-10-fields';
+
+export const rule: GraphQLESLintRule = {
+    meta: {
+        type: 'suggestion',
+        hasSuggestions: true,
+        docs: {
+            description: 'Object should have less than 11 fields.',
+            category: 'Operations',
+            recommended: true,
+            examples: [
+                {
+                    title: 'Incorrect',
+                    code: /* GraphQL */ `
+          query getSA($recoridId) {
+            uiapi {
+              query {
+                ServiceAppointment() {
+                  edges {
+                    node {
+                      Id
+                      Subject {
+                        value
+                      }
+                      AccountId {
+                        value
+                      }
+                      City {
+                        value
+                      }
+                      Description {
+                        value
+                      }
+                      OwnerId {
+                        value
+                      }
+                      PostalCode {
+                        value
+                      }
+                      SchedStartTime {
+                        value
+                      }
+                      Status {
+                        value
+                      }
+                      Street {
+                        value
+                      }
+                    }
+                  }
+                }
+              }
+            }
+          }
+          `
+                }
+            ]
+        },
+        messages: {
+            [RULE_ID]: 'Field number should not exceed 10!'
+        },
+        schema: []
+    },
+    create(context) {
+        function checkNode(usedFields: Set<string>, node: Any): void {
+            const fieldName = node.value;
+
+            usedFields.add(fieldName);
+            if (usedFields.size === 10) {
+                context.report({
+                    node,
+                    messageId: RULE_ID,
+                    suggest: [
+                        {
+                            desc: 'Reduce object fields to less than 10',
+                            fix(fixer) {
+                                return fixer.remove(node as any);
+                            }
+                        }
+                    ]
+                });
+            }
+        }
+
+        return {
+            SelectionSet(node) {
+                if (
+                    node.parent.kind === 'Field' &&
+                    node.parent.name.kind === 'Name' &&
+                    node.parent.name.value === 'node'
+                ) {
+                    const set = new Set<string>();
+
+                    for (const selection of node.selections) {
+                        if (selection.kind === Kind.FIELD) {
+                            checkNode(set, selection.alias || selection.name);
+                        }
+                    }
+                }
+            }
+        };
+    }
+};