Upgrade to ESLint 8

packages/crafty-preset-babel/package.json

@@ -21,7 +21,7 @@
     "babel-loader": "8.2.2",
     "gulp-babel": "8.0.0",
     "gulp-concat": "2.6.1",
-    "gulp-eslint7": "0.3.2",
+    "gulp-eslint-new": "0.4.0",
     "gulp-newer": "1.4.0",
     "gulp-sourcemaps": "3.0.0",
     "gulp-terser": "2.1.0"

packages/crafty-preset-babel/src/gulp.js

@@ -18,8 +18,14 @@ module.exports = function createTask(crafty, bundle, StreamHandler) {
     const {
       toTempFile
     } = require("@swissquote/crafty-preset-eslint/src/eslintConfigurator");
-    const eslint = require("gulp-eslint7");
-    stream.add(eslint(toTempFile(crafty.config.eslint))).add(eslint.format());
+    const eslint = require("gulp-eslint-new");
+    stream
+      .add(
+        eslint({
+          overrideConfigFile: toTempFile(crafty.config.eslint)
+        })
+      )
+      .add(eslint.format());
 
     // Fail the build if we have linting
     // errors and we build directly

packages/crafty-preset-eslint/package.json

@@ -17,7 +17,7 @@
     "@swissquote/rollup-plugin-eslint": "1.16.3",
     "copy-anything": "2.0.3",
     "debug": "^4.1.0",
-    "eslint": "7.32.0",
+    "eslint": "8.0.1",
     "eslint-webpack-plugin": "3.0.1",
     "merge-anything": "4.0.1",
     "resolve-from": "5.0.0",

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

@@ -17,4 +17,4 @@ if (process.argv[2] === "jsLint") {
 process.argv.push("--config");
 process.argv.push(tmpfile);
 
-require("eslint/bin/eslint");
+require(".bin/eslint");

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

@@ -13,25 +13,6 @@
 const path = require("path");
 const fs = require("fs");
 
-function getESLintFolderFromModule() {
-  let currentModule = module;
-
-  while (
-    !/[\\/]eslint[\\/]lib[\\/]cli-engine[\\/]config-array-factory\.js/i.test(
-      currentModule.filename
-    )
-  ) {
-    if (!currentModule.parent) {
-      // This was tested with ESLint 7.5.0; other versions may not work
-      throw new Error(
-        "Failed to patch ESLint because the calling module was not recognized"
-      );
-    }
-    currentModule = currentModule.parent;
-  }
-  return path.join(path.dirname(currentModule.filename), "../..");
-}
-
 function getESLintrcFolderFromModule() {
   let currentModule = module;
 
@@ -51,31 +32,9 @@ function getESLintrcFolderFromModule() {
   return path.join(path.dirname(currentModule.filename), "..");
 }
 
-function checkESLintVersion(eslintPath) {
-  // Detect the ESLint package version
-  const eslintPackageJson = fs
-    .readFileSync(path.join(eslintPath, "package.json"))
-    .toString();
-  const eslintPackageObject = JSON.parse(eslintPackageJson);
-  const eslintPackageVersion = eslintPackageObject.version;
-  const versionMatch = /^([0-9]+)\./.exec(eslintPackageVersion); // parse the SemVer MAJOR part
-  if (!versionMatch) {
-    throw new Error(`Unable to parse ESLint version: ${eslintPackageVersion}`);
-  }
-  const eslintMajorVersion = Number(versionMatch[1]);
-  if (eslintMajorVersion !== 7) {
-    throw new Error(
-      `The patch-eslint.js script has only been tested with ESLint version 7.x. (Your version: ${eslintPackageVersion})`
-    );
-  }
-}
-
 function patch(eslintPath) {
-  const moduleResolverPath = path.join(
-    eslintPath,
-    "lib/shared/relative-module-resolver"
-  );
-  const ModuleResolver = require(moduleResolverPath);
+  const moduleResolverPath = path.join(eslintPath, "dist/eslintrc.cjs");
+  const ModuleResolver = require(moduleResolverPath).Legacy.ModuleResolver;
 
   const originalResolve = ModuleResolver.resolve;
 
@@ -98,27 +57,6 @@ function patch(eslintPath) {
 let succeeded = false;
 const errors = [];
 
-// Patch ESLint directly
-// This works if it's a version from before it was separated into @eslint/eslintrc
-const eslintPossiblePaths = [
-  getESLintFolderFromModule,
-  () => require.resolve("eslint/package.json").replace(/\/package\.json$/, ""),
-  () => path.join(process.cwd(), "node_modules", "eslint")
-];
-
-eslintPossiblePaths.forEach(mainEslintFolderFn => {
-  try {
-    const mainEslintFolder = mainEslintFolderFn();
-    if (fs.existsSync(mainEslintFolder)) {
-      checkESLintVersion(mainEslintFolder);
-      patch(mainEslintFolder);
-      succeeded = true;
-    }
-  } catch (e) {
-    errors.push(e);
-  }
-});
-
 // Patch @eslint/eslintrc when it's found
 const eslintrcPossiblePaths = [
   getESLintrcFolderFromModule,

packages/crafty-preset-swc/package.json

@@ -20,7 +20,7 @@
     "debug": "^4.1.0",
     "find-up": "5.0.0",
     "gulp-concat": "2.6.1",
-    "gulp-eslint7": "0.3.2",
+    "gulp-eslint-new": "0.4.0",
     "gulp-newer": "1.4.0",
     "gulp-sourcemaps": "3.0.0",
     "gulp-swc": "1.1.1",

packages/crafty-preset-swc/src/gulp.js

@@ -18,8 +18,14 @@ module.exports = function createTask(crafty, bundle, StreamHandler) {
     const {
       toTempFile
     } = require("@swissquote/crafty-preset-eslint/src/eslintConfigurator");
-    const eslint = require("gulp-eslint7");
-    stream.add(eslint(toTempFile(crafty.config.eslint))).add(eslint.format());
+    const eslint = require("gulp-eslint-new");
+    stream
+      .add(
+        eslint({
+          overrideConfigFile: toTempFile(crafty.config.eslint)
+        })
+      )
+      .add(eslint.format());
 
     // Fail the build if we have linting
     // errors and we build directly

packages/crafty-preset-typescript/package.json

@@ -21,7 +21,7 @@
     "find-up": "5.0.0",
     "fork-ts-checker-webpack-plugin": "6.3.4",
     "gulp-babel": "8.0.0",
-    "gulp-eslint7": "0.3.2",
+    "gulp-eslint-new": "0.4.0",
     "gulp-sourcemaps": "3.0.0",
     "gulp-typescript": "5.0.1",
     "tmp": "0.2.1",

packages/crafty-preset-typescript/src/gulp.js

@@ -18,9 +18,13 @@ module.exports = function createTask(crafty, bundle, StreamHandler) {
     const {
       toTempFile
     } = require("@swissquote/crafty-preset-eslint/src/eslintConfigurator");
-    const eslint = require("gulp-eslint7");
+    const eslint = require("gulp-eslint-new");
     stream
-      .add(eslint({ configFile: toTempFile(crafty.config.eslint) }))
+      .add(
+        eslint({
+          overrideConfigFile: toTempFile(crafty.config.eslint)
+        })
+      )
       .add(eslint.format());
 
     // Fail the build if we have linting

packages/eslint-plugin-swissquote/jest.config.js

@@ -6,5 +6,8 @@ module.exports = {
   ],
   testEnvironment: "node",
   verbose: true,
-  coveragePathIgnorePatterns: ["node_modules", "coverage"]
+  coveragePathIgnorePatterns: ["node_modules", "coverage"],
+  moduleNameMapper: {
+    "eslint/use-at-your-own-risk": "eslint/lib/unsupported-api.js"
+  }
 };

packages/eslint-plugin-swissquote/package.json

@@ -34,10 +34,10 @@
     "typescript": "4.4.4"
   },
   "peerDependency": {
-    "eslint": "^6.0.0 | ^7.0.0"
+    "eslint": "^6.0.0 | ^7.0.0 | ^8.0.0"
   },
   "devDependencies": {
-    "eslint": "7.32.0",
+    "eslint": "8.0.1",
     "jest": "27.2.5"
   },
   "engines": {

packages/rollup-plugin-eslint/package.json

@@ -35,6 +35,6 @@
   },
   "dependencies": {
     "@rollup/pluginutils": "4.1.1",
-    "eslint": "7.32.0"
+    "eslint": "8.0.1"
   }
 }