allow providing config via constructor

ardatan · Jul 7, 2021 · 44723c5 · 44723c5
1 parent eecdffc
commit 44723c5
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Showing 3 changed files with 52 additions and 4 deletions.
diff --git a/.changeset/metal-apes-sell.md b/.changeset/metal-apes-sell.md
@@ -0,0 +1,5 @@
+---
+'@graphql-tools/code-file-loader': minor
+---
+
+allow supplying config via constructor
diff --git a/packages/loaders/code-file/src/index.ts b/packages/loaders/code-file/src/index.ts
@@ -26,15 +26,19 @@ import { createRequire } from 'module';
 
 const { readFile, access } = fsPromises;
 
+export type CodeFileLoaderConfig = {
+  pluckConfig?: GraphQLTagPluckOptions;
+  noPluck?: boolean;
+  noRequire?: boolean;
+};
+
 /**
  * Additional options for loading from a code file
  */
 export type CodeFileLoaderOptions = {
   require?: string | string[];
-  pluckConfig?: GraphQLTagPluckOptions;
-  noPluck?: boolean;
-  noRequire?: boolean;
-} & BaseLoaderOptions;
+} & CodeFileLoaderConfig &
+  BaseLoaderOptions;
 
 const FILE_EXTENSIONS = ['.ts', '.tsx', '.js', '.jsx', '.vue'];
 
@@ -57,11 +61,21 @@ function createGlobbyOptions(options: CodeFileLoaderOptions): GlobbyOptions {
  * Supported extensions include: `.ts`, `.tsx`, `.js`, `.jsx`, `.vue`
  */
 export class CodeFileLoader implements Loader<CodeFileLoaderOptions> {
+  private config: CodeFileLoaderConfig;
+  constructor(config?: CodeFileLoaderConfig) {
+    this.config = config ?? {};
+  }
+
+  private getMergedOptions(options: CodeFileLoaderOptions): CodeFileLoaderOptions {
+    return { ...this.config, ...options };
+  }
+
   loaderId(): string {
     return 'code-file';
   }
 
   async canLoad(pointer: string, options: CodeFileLoaderOptions): Promise<boolean> {
+    options = this.getMergedOptions(options);
     if (isGlob(pointer)) {
       // FIXME: parse to find and check the file extensions?
       return true;
@@ -83,6 +97,7 @@ export class CodeFileLoader implements Loader<CodeFileLoaderOptions> {
   }
 
   canLoadSync(pointer: string, options: CodeFileLoaderOptions): boolean {
+    options = this.getMergedOptions(options);
     if (isGlob(pointer)) {
       // FIXME: parse to find and check the file extensions?
       return true;
@@ -99,16 +114,19 @@ export class CodeFileLoader implements Loader<CodeFileLoaderOptions> {
   }
 
   async resolveGlobs(glob: string, options: CodeFileLoaderOptions) {
+    options = this.getMergedOptions(options);
     const ignores = asArray(options.ignore || []);
     return globby([glob, ...ignores.map(v => `!(${v})`).map(v => unixify(v))], createGlobbyOptions(options));
   }
 
   resolveGlobsSync(glob: string, options: CodeFileLoaderOptions) {
+    options = this.getMergedOptions(options);
     const ignores = asArray(options.ignore || []);
     return globby.sync([glob, ...ignores.map(v => `!(${v})`).map(v => unixify(v))], createGlobbyOptions(options));
   }
 
   async load(pointer: string, options: CodeFileLoaderOptions): Promise<Source[] | null> {
+    options = this.getMergedOptions(options);
     if (isGlob(pointer)) {
       const resolvedPaths = await this.resolveGlobs(pointer, options);
       const finalResult: Source[] = [];
@@ -127,6 +145,7 @@ export class CodeFileLoader implements Loader<CodeFileLoaderOptions> {
   }
 
   loadSync(pointer: string, options: CodeFileLoaderOptions): Source[] | null {
+    options = this.getMergedOptions(options);
     if (isGlob(pointer)) {
       const resolvedPaths = this.resolveGlobsSync(pointer, options);
       const finalResult: Source[] = [];
@@ -143,6 +162,7 @@ export class CodeFileLoader implements Loader<CodeFileLoaderOptions> {
   }
 
   async handleSinglePath(location: string, options: CodeFileLoaderOptions): Promise<Source[] | null> {
+    options = this.getMergedOptions(options);
     const normalizedFilePath = ensureAbsolutePath(location, options);
 
     const errors: Error[] = [];
@@ -192,6 +212,7 @@ export class CodeFileLoader implements Loader<CodeFileLoaderOptions> {
   }
 
   handleSinglePathSync(location: string, options: CodeFileLoaderOptions): Source[] | null {
+    options = this.getMergedOptions(options);
     const normalizedFilePath = ensureAbsolutePath(location, options);
 
     const errors: Error[] = [];

diff --git a/packages/loaders/code-file/tests/load-from-code-file.spec.ts b/packages/loaders/code-file/tests/load-from-code-file.spec.ts
@@ -152,4 +152,26 @@ describe('loadFromCodeFileSync', () => {
       "
     `);
   });
+
+  it('can inherit config options from constructor', () => {
+    const loader = new CodeFileLoader({
+      pluckConfig: {
+        skipIndent: true
+      }
+    })
+    const loaded = loader.loadSync('./test-files/multiple-from-file.ts', {
+      cwd: __dirname,
+    });
+    expect(loaded?.length).toEqual(3);
+    expect(loaded?.[0].rawSDL).toBeDefined();
+    expect(loaded?.[0].rawSDL).toMatchInlineSnapshot(`
+      "
+        query Foo {
+          Tweets {
+            id
+          }
+        }
+      "
+    `);
+  })
 });