Update Yarn settings to use PNP & zero installs (#56)

* Update Yarn settings to use PNP & zero installs

* Keep the top level fallback

.gitignore

@@ -2,8 +2,8 @@
 
 # dependencies
 /node_modules
-/.pnp
-.pnp.js
+# https://next.yarnpkg.com/getting-started/qa#which-files-should-be-gitignored
+# We're using Zero Installs
 .yarn/*
 !.yarn/cache
 !.yarn/patches

.vscode/extensions.json

@@ -0,0 +1,7 @@
+{
+  "recommendations": [
+    "arcanis.vscode-zipfs",
+    "dbaeumer.vscode-eslint",
+    "esbenp.prettier-vscode"
+  ]
+}

.vscode/settings.json

@@ -0,0 +1,8 @@
+{
+  "search.exclude": {
+    "**/.yarn": true,
+    "**/.pnp.*": true
+  },
+  "eslint.nodePath": ".yarn/sdks",
+  "prettier.prettierPath": ".yarn/sdks/prettier/index.js"
+}

.yarn/sdks/eslint/bin/eslint.js

@@ -0,0 +1,20 @@
+#!/usr/bin/env node
+
+const {existsSync} = require(`fs`);
+const {createRequire} = require(`module`);
+const {resolve} = require(`path`);
+
+const relPnpApiPath = "../../../../.pnp.cjs";
+
+const absPnpApiPath = resolve(__dirname, relPnpApiPath);
+const absRequire = createRequire(absPnpApiPath);
+
+if (existsSync(absPnpApiPath)) {
+  if (!process.versions.pnp) {
+    // Setup the environment to be able to require eslint/bin/eslint.js
+    require(absPnpApiPath).setup();
+  }
+}
+
+// Defer to the real eslint/bin/eslint.js your application uses
+module.exports = absRequire(`eslint/bin/eslint.js`);

.yarn/sdks/eslint/lib/api.js

@@ -0,0 +1,20 @@
+#!/usr/bin/env node
+
+const {existsSync} = require(`fs`);
+const {createRequire} = require(`module`);
+const {resolve} = require(`path`);
+
+const relPnpApiPath = "../../../../.pnp.cjs";
+
+const absPnpApiPath = resolve(__dirname, relPnpApiPath);
+const absRequire = createRequire(absPnpApiPath);
+
+if (existsSync(absPnpApiPath)) {
+  if (!process.versions.pnp) {
+    // Setup the environment to be able to require eslint
+    require(absPnpApiPath).setup();
+  }
+}
+
+// Defer to the real eslint your application uses
+module.exports = absRequire(`eslint`);

.yarn/sdks/eslint/package.json

@@ -0,0 +1,6 @@
+{
+  "name": "eslint",
+  "version": "8.33.0-sdk",
+  "main": "./lib/api.js",
+  "type": "commonjs"
+}

.yarn/sdks/integrations.yml

@@ -0,0 +1,5 @@
+# This file is automatically generated by @yarnpkg/sdks.
+# Manual changes might be lost!
+
+integrations:
+  - vscode

.yarn/sdks/prettier/index.js

@@ -0,0 +1,20 @@
+#!/usr/bin/env node
+
+const {existsSync} = require(`fs`);
+const {createRequire} = require(`module`);
+const {resolve} = require(`path`);
+
+const relPnpApiPath = "../../../.pnp.cjs";
+
+const absPnpApiPath = resolve(__dirname, relPnpApiPath);
+const absRequire = createRequire(absPnpApiPath);
+
+if (existsSync(absPnpApiPath)) {
+  if (!process.versions.pnp) {
+    // Setup the environment to be able to require prettier/index.js
+    require(absPnpApiPath).setup();
+  }
+}
+
+// Defer to the real prettier/index.js your application uses
+module.exports = absRequire(`prettier/index.js`);

.yarn/sdks/prettier/package.json

@@ -0,0 +1,6 @@
+{
+  "name": "prettier",
+  "version": "2.8.3-sdk",
+  "main": "./index.js",
+  "type": "commonjs"
+}

.yarnrc.yml

@@ -1,3 +1,2 @@
-nodeLinker: node-modules
-
+nodeLinker: pnp
 yarnPath: .yarn/releases/yarn-3.3.1.cjs