Add assumeValidSDL config option

docs/getting-started/codegen-config.md

@@ -65,6 +65,8 @@ Here are the supported options that you can define in the config file (see [sour
 
   - **`pluckConfig.globalIdentifier`** - Overrides the name of the default GraphQL name identifier.
 
+- **`assumeValidSDL`** - A flag to assume the SDL is valid
+
 ## Environment Variables
 
 You can use environment variables in your `codegen.yml` file::
@@ -101,6 +103,8 @@ The Codegen also supports several CLI flags that allow you to override the defau
 
 - **`--overwrite` (`-o`)** - Overrides the `overwrite` config to true.
 
+- **`--assumeValidSDL` (`-v`)** - Overrides the `assumeValidSDL` config to true.
+
 ## Debug Mode
 
 You can set the `DEBUG` environment variable to `1` in order to tell the codegen to print debug information.

packages/graphql-codegen-cli/src/config.ts

@@ -13,6 +13,7 @@ export type YamlCliFlags = {
   require: string[];
   overwrite: boolean;
   project: string;
+  assumeValidSDL?: boolean;
 };
 
 function generateSearchPlaces(moduleName: string) {
@@ -140,6 +141,7 @@ export function parseArgv(argv = process.argv): Command & YamlCliFlags {
     .option('-r, --require [value]', 'Loads specific require.extensions before running the codegen and reading the configuration', collect, [])
     .option('-o, --overwrite', 'Overwrites existing files')
     .option('-p, --project <name>', 'Name of a project in GraphQL Config')
+    .option('-v, --assumeValidSDL', 'Assumes valid GraphQL SDL.')
     .parse(argv) as any) as Command & YamlCliFlags;
 }
 
@@ -172,6 +174,10 @@ export async function createContext(cliFlags: Command & YamlCliFlags = parseArgv
     context.useProject(cliFlags.project);
   }
 
+  if (cliFlags.assumeValidSDL === true) {
+    config.assumeValidSDL = cliFlags.assumeValidSDL;
+  }
+
   context.updateConfig(config);
 
   return context;

packages/graphql-codegen-core/src/execute-plugin.ts

@@ -12,6 +12,7 @@ export interface ExecutePluginOptions {
   outputFilename: string;
   allPlugins: Types.ConfiguredPlugin[];
   skipDocumentsValidation?: boolean;
+  assumeValidSDL?: true;
 }
 
 export async function executePlugin(options: ExecutePluginOptions, plugin: CodegenPlugin): Promise<Types.PluginOutput> {
@@ -34,7 +35,7 @@ export async function executePlugin(options: ExecutePluginOptions, plugin: Codeg
 
   const schema = options.schemaAst;
 
-  const outputSchema: GraphQLSchema = schema || buildASTSchema(options.schema);
+  const outputSchema: GraphQLSchema = schema || buildASTSchema(options.schema, { assumeValidSDL: options.assumeValidSDL || false });
   const documents = options.documents || [];
 
   if (plugin.validate && typeof plugin.validate === 'function') {

packages/utils/plugins-helpers/src/types.ts

@@ -62,6 +62,7 @@ export namespace Types {
     schema?: InstanceOrArray<Schema>;
     config?: PluginConfig;
     hooks?: LifecycleHooksDefinition<string | string[]>;
+    assumeValidSDL?: boolean;
   };
 
   /* Output Builder Preset */
@@ -110,6 +111,7 @@ export namespace Types {
       globalIdentifier?: string;
     };
     hooks?: LifecycleHooksDefinition<string | string[]>;
+    assumeValidSDL?: boolean;
   }
 
   export type ComplexPluginOutput = { content: string; prepend?: string[]; append?: string[] };