Upgrade to Yarn 4 (#3975)

* Install Yarn4

* Treat yarn files as binary, we don't need to see those diffs (only trusted maintainers should update it)

* yarn dedupe

* Add explicit return type

* Prettier yarml

* Add ajv-formats to graphiql-webpack example (needed by copy-webpack-plugin?)

* This module doesn't exist any more

* TypeScript is being finickity

* Directly upgraded yarn.lock

* Dedupe babel

* Fix GraphQLCache test suite by adding a dev dependency

* Fix vitest issue

* Dedupe

* Meh, no compression thx

* Unnecessary changes

* fix typecheck

* Apply suggestions from code review

---------

Co-authored-by: Dimitri POSTOLOV <dmytropostolov@gmail.com>

Author: benjie

.changeset/flat-dolls-design.md

@@ -0,0 +1,5 @@
+---
+'graphql-language-service-server': patch
+---
+
+fix `GraphQLCache._schemaMap` type, should be `LRUCache`

.gitattributes

@@ -11,3 +11,5 @@
 *.css text eol=lf
 *.sh text eol=lf
 *.yml text eol=lf
+
+.yarn/releases/*.cjs export-ignore binary linguist-generated

.gitignore

@@ -5,6 +5,10 @@
 .secrets
 *.log
 
+.yarn/*
+!.yarn/releases/*
+!.yarn/plugins/*
+
 node_modules/
 coverage/
 .nyc_output
@@ -28,6 +32,7 @@ package-lock.json
 
 vite.config.d.ts
 vite.config.js
+tsconfig.vitest-temp.json
 
 .next/
 .turbo/

.yarn/releases/yarn-4.9.1.cjs

@@ -0,0 +1,7 @@
+compressionLevel: 0
+
+enableGlobalCache: false
+
+nodeLinker: node-modules
+
+yarnPath: .yarn/releases/yarn-4.9.1.cjs

.yarnrc

@@ -24,6 +24,7 @@
     "@babel/plugin-syntax-dynamic-import": "^7.8.3",
     "@babel/preset-env": "^7.20.2",
     "@babel/preset-react": "^7.18.6",
+    "ajv-formats": "^3.0.1",
     "babel-loader": "^9.1.2",
     "copy-webpack-plugin": "11.0.0",
     "cross-env": "^7.0.2",

.yarnrc.yml

@@ -12,7 +12,7 @@
       "examples/graphiql-webpack"
     ]
   },
-  "packageManager": "yarn@1.22.22",
+  "packageManager": "yarn@4.9.1",
   "scripts": {
     "types:check": "turbo run types:check",
     "dev:graphiql": "turbo run dev --filter=graphiql...",

examples/graphiql-webpack/package.json

@@ -69,6 +69,7 @@
     "@types/glob": "^8.1.0",
     "@types/mkdirp": "^1.0.1",
     "@types/mock-fs": "^4.13.4",
+    "@whatwg-node/fetch": "npm:^0.9.0",
     "cross-env": "^7.0.2",
     "debounce-promise": "^3.1.2",
     "graphql": "^16.9.0",

package.json

@@ -119,7 +119,7 @@ export class GraphQLCache {
   _configDir: Uri;
   _graphQLFileListCache: Map<Uri, Map<string, GraphQLFileInfo>>;
   _graphQLConfig: GraphQLConfig;
-  _schemaMap: Map<Uri, GraphQLSchema>;
+  _schemaMap: LRUCache<Uri, GraphQLSchema>;
   _typeExtensionMap: Map<Uri, number>;
   _fragmentDefinitionsCache: Map<Uri, Map<string, FragmentInfo>>;
   _typeDefinitionsCache: Map<Uri, Map<string, ObjectTypeInfo>>;

packages/graphql-language-service-server/package.json

@@ -24,7 +24,6 @@ const modules = [
   'json-parse-even-better-errors',
   'lines-and-columns',
   '@babel/code-frame',
-  '@babel/highlight',
   // these i think are just required by jest when you console log from a test
   'jest-message-util',
   'stack-utils',

packages/graphql-language-service-server/src/GraphQLCache.ts

@@ -12,9 +12,8 @@ describe('monaco-editor', () => {
     // `--no-colors` flag
     const lines = stdout.replaceAll(ANSI_COLOR_REGEX, '').split('\n');
     // expect(lines[0]).toBe('$ vite build');
-    // expect(lines[1]).toMatch(' building for production...');
     // expect(lines[2]).toBe('transforming...');
-    expect(lines[3]).toMatch(
+    expect(lines[2]).toMatch(
       `✓ ${parseInt(version, 10) > 16 ? 862 : 848} modules transformed.`,
     );
     // expect(lines[4]).toBe('rendering chunks...');