backport[v15]: Introduce "recommended" validation rules

integrationTests/ts/test.js

@@ -1,5 +1,6 @@
 'use strict';
 
+const fs = require('fs');
 const path = require('path');
 const childProcess = require('child_process');
 
@@ -13,5 +14,6 @@ for (const version of tsVersions) {
   console.log(`Testing on ${version} ...`);
 
   const tscPath = path.join(__dirname, 'node_modules', version, 'bin/tsc');
+  fs.chmodSync(tscPath, 0o755);
   childProcess.execSync(tscPath, { stdio: 'inherit' });
 }

src/index.d.ts

@@ -317,6 +317,7 @@ export {
   ValidationContext,
   // All validation rules in the GraphQL Specification.
   specifiedRules,
+  recommendedRules,
   // Individual validation rules.
   ExecutableDefinitionsRule,
   FieldsOnCorrectTypeRule,

src/index.js

@@ -303,6 +303,7 @@ export {
   ValidationContext,
   // All validation rules in the GraphQL Specification.
   specifiedRules,
+  recommendedRules,
   // Individual validation rules.
   ExecutableDefinitionsRule,
   FieldsOnCorrectTypeRule,
@@ -330,6 +331,7 @@ export {
   ValuesOfCorrectTypeRule,
   VariablesAreInputTypesRule,
   VariablesInAllowedPositionRule,
+  MaxIntrospectionDepthRule,
   // SDL-specific validation rules
   LoneSchemaDefinitionRule,
   UniqueOperationTypesRule,