remove validate-against-schema rule

.changeset/chilly-foxes-help.md

@@ -1,5 +1,14 @@
 ---
-"@graphql-eslint/eslint-plugin": minor
+'@graphql-eslint/eslint-plugin': major
 ---
 
 feat: remove `prettier` rule, add related docs
+
+### BREAKING CHANGE: Remove `prettier` Rule
+
+Since prettier itself support now linting GraphQL code and syntax, we removed the need for this rule from this package.
+
+For more information, see:
+
+- [Migration guide and example](https://github.com/dotansimha/graphql-eslint#prettier-rule)
+- [Related PR](https://github.com/dotansimha/graphql-eslint/issues/395)

.changeset/new-seas-nail.md

@@ -0,0 +1,5 @@
+---
+'@graphql-eslint/eslint-plugin': major
+---
+
+Remove deprecated rule `validate-against-schema`

.changeset/rude-paws-battle.md

@@ -0,0 +1,5 @@
+---
+'@graphql-eslint/eslint-plugin': major
+---
+
+Bump dependencies and update minimum Node version to `v12`

docs/README.md

@@ -5,7 +5,6 @@
 - [`no-deprecated`](./rules/no-deprecated.md)
 - [`unique-fragment-name`](./rules/unique-fragment-name.md)
 - [`unique-operation-name`](./rules/unique-operation-name.md)
-- [`validate-against-schema`](./rules/validate-against-schema.md)
 - [`no-hashtag-description`](./rules/no-hashtag-description.md)
 - [`no-anonymous-operations`](./rules/no-anonymous-operations.md)
 - [`no-operation-name-suffix`](./rules/no-operation-name-suffix.md)

examples/basic/.eslintrc.js

@@ -18,7 +18,6 @@ module.exports = {
           },
         ],
         '@graphql-eslint/unique-fragment-name': 'warn',
-        '@graphql-eslint/validate-against-schema': 'error',
         '@graphql-eslint/no-anonymous-operations': 'warn',
         '@graphql-eslint/no-operation-name-suffix': 'error',
         '@graphql-eslint/avoid-operation-name-prefix': [

examples/graphql-config-code-file/.eslintrc.json

@@ -11,8 +11,7 @@
       "rules": {
         "@graphql-eslint/require-id-when-available": "warn",
         "@graphql-eslint/no-anonymous-operations": "warn",
-        "@graphql-eslint/no-operation-name-suffix": "error",
-        "@graphql-eslint/validate-against-schema": "error"
+        "@graphql-eslint/no-operation-name-suffix": "error"
       }
     }
   ]

packages/plugin/src/rules/graphql-js-validation.ts

@@ -1,8 +1,49 @@
-import { ValidationRule } from 'graphql';
-import { GraphQLESLintRule } from '../types';
-import { validateDoc } from './validate-against-schema';
+import { GraphQLESLintRule, GraphQLESlintRuleContext } from '../types';
 import { requireGraphQLSchemaFromContext } from '../utils';
 
+import { validate, GraphQLSchema, DocumentNode, ASTNode, ValidationRule } from 'graphql';
+import { validateSDL } from 'graphql/validation/validate';
+import { GraphQLESTreeNode } from '../estree-parser';
+
+function extractRuleName(stack: string | undefined): string | null {
+  const match = (stack || '').match(/validation[/\\\\]rules[/\\\\](.*?)\.js:/);
+
+  if (!match) {
+    return null;
+  }
+
+  return match[1] || null;
+}
+
+export function validateDoc(
+  sourceNode: GraphQLESTreeNode<ASTNode>,
+  context: GraphQLESlintRuleContext,
+  schema: GraphQLSchema | null,
+  documentNode: DocumentNode,
+  rules: ReadonlyArray<ValidationRule>,
+  ruleName: string | null = null
+): void {
+  if (documentNode && documentNode.definitions && documentNode.definitions.length > 0) {
+    try {
+      const validationErrors = schema ? validate(schema, documentNode, rules) : validateSDL(documentNode, null, rules);
+
+      for (const error of validationErrors) {
+        const validateRuleName = ruleName || `[${extractRuleName(error.stack)}]`;
+
+        context.report({
+          loc: error.locations[0],
+          message: ruleName ? error.message : `${validateRuleName} ${error.message}`,
+        });
+      }
+    } catch (e) {
+      context.report({
+        node: sourceNode,
+        message: e.message,
+      });
+    }
+  }
+}
+
 const validationToRule = (
   name: string,
   ruleName: string,

packages/plugin/src/rules/index.ts

@@ -1,4 +1,3 @@
-import validate from './validate-against-schema';
 import noUnreachableTypes from './no-unreachable-types';
 import noAnonymousOperations from './no-anonymous-operations';
 import noOperationNameSuffix from './no-operation-name-suffix';
@@ -24,7 +23,6 @@ export const rules = {
   'no-deprecated': noDeprecated,
   'unique-fragment-name': uniqueFragmentName,
   'unique-operation-name': uniqueOperationName,
-  'validate-against-schema': validate,
   'no-hashtag-description': noHashtagDescription,
   'no-anonymous-operations': noAnonymousOperations,
   'no-operation-name-suffix': noOperationNameSuffix,