Start experimenting with eslint-8

package.json

@@ -29,5 +29,8 @@
   },
   "engines": {
     "node": ">=12"
+  },
+  "resolutions": {
+    "**/eslint": "8.0.0-beta.1"
   }
 }

packages/crafty-preset-eslint/package.json

@@ -17,7 +17,7 @@
     "@swissquote/rollup-plugin-eslint": "1.15.0",
     "copy-anything": "2.0.3",
     "debug": "^4.1.0",
-    "eslint": "7.32.0",
+    "eslint": "8.0.0-beta.1",
     "eslint-webpack-plugin": "2.5.4",
     "merge-anything": "4.0.1",
     "resolve-from": "5.0.0",

packages/crafty-preset-eslint/src/commands/jsLint.js

@@ -14,6 +14,9 @@ if (process.argv[2] === "jsLint") {
   process.argv.splice(2, 1);
 }
 
+process.argv.push("--resolver");
+process.argv.push(require.resolve("../resolver.js"))
+
 process.argv.push("--config");
 process.argv.push(tmpfile);
 

packages/crafty-preset-eslint/src/eslintConfigurator.js

@@ -94,9 +94,6 @@ function stringifyConfiguration(configuration) {
 // This file is generated to improve IDE Integration
 // You don't need to commit this file, nor need it to run \`crafty build\`
 
-// Fix module resolution
-require(${JSON.stringify(require.resolve("./patchModuleResolver"))});
-
 module.exports = ${JSON.stringify(configuration, null, 4)};
 `;
 }

packages/crafty-preset-eslint/src/index.js

@@ -97,7 +97,8 @@ module.exports = {
     chain.plugin("lint-js").use(require.resolve("eslint-webpack-plugin"), [
       {
         extensions: crafty.config.eslintExtensions,
-        overrideConfigFile: toTempFile(crafty.config.eslint)
+        overrideConfigFile: toTempFile(crafty.config.eslint),
+        resolver: require.resolve("@swissquote/crafty-preset-eslint/src/resolver.js")
       }
     ]);
   }

packages/crafty-preset-eslint/src/resolver.js

@@ -0,0 +1,18 @@
+const {
+  Legacy: { ModuleResolver },
+} = require("@eslint/eslintrc");
+
+function resolve(moduleName, relativeToPath) {
+  console.log("resolving", { moduleName, relativeToPath });
+  try {
+    // First check for the module relative to the current location
+    return ModuleResolver.resolve(moduleName, __filename);
+  } catch (e) {
+    // OR fallback to the default behaviour of ESLint
+    return ModuleResolver.resolve(moduleName, relativeToPath);
+  }
+}
+
+module.exports = {
+  resolve,
+};

packages/eslint-plugin-swissquote/package.json

@@ -20,8 +20,8 @@
   "dependencies": {
     "@babel/eslint-parser": "7.15.0",
     "@swissquote/babel-preset-swissquote": "1.15.0",
-    "@typescript-eslint/eslint-plugin": "4.30.0",
-    "@typescript-eslint/parser": "4.30.0",
+    "@typescript-eslint/eslint-plugin": "5.0.0-alpha.25",
+    "@typescript-eslint/parser": "5.0.0-alpha.25",
     "confusing-browser-globals": "1.0.10",
     "eslint-config-prettier": "8.3.0",
     "eslint-import-resolver-typescript": "2.4.0",
@@ -34,10 +34,10 @@
     "typescript": "4.4.2"
   },
   "peerDependency": {
-    "eslint": "^6.0.0 | ^7.0.0"
+    "eslint": "^6.0.0 | ^7.0.0 | ^8.0.0"
   },
   "devDependencies": {
-    "eslint": "7.32.0",
+    "eslint": "8.0.0-beta.1",
     "jest": "27.1.0"
   },
   "engines": {

packages/rollup-plugin-eslint/package.json

@@ -35,6 +35,6 @@
   },
   "dependencies": {
     "@rollup/pluginutils": "4.1.1",
-    "eslint": "7.32.0"
+    "eslint": "8.0.0-beta.1"
   }
 }