feat: eslint 9 migration

BREAKING CHANGE: eslint 9 is now require
BREAKING CHANGE: typescript >= v4.7 is now required (when using typescript)

.github/renovate.json

@@ -50,14 +50,6 @@
       "rangeStrategy": "replace",
       "semanticCommitScope": "dev-deps",
       "semanticCommitType": "ci"
-    },
-    {
-      "allowedVersions": "<5",
-      "matchPackageNames": ["escape-string-regexp"]
-    },
-    {
-      "allowedVersions": "<9",
-      "matchPackageNames": ["eslint"]
     }
   ],
   "postUpdateOptions": ["pnpmDedupe"]

.github/workflows/release.yml

@@ -28,14 +28,12 @@ jobs:
     uses: ./.github/workflows/lint-markdown.yml
   lint_packages:
     uses: ./.github/workflows/lint-packages.yml
-  lint_prettier:
-    uses: ./.github/workflows/lint-prettier.yml
   lint_spelling:
     uses: ./.github/workflows/lint-spelling.yml
   test:
     uses: ./.github/workflows/test-js.yml
   type_check:
-    uses: ./.github/workflows/type-check.yml
+    uses: ./.github/workflows/typecheck.yml
 
   release:
     needs:
@@ -46,7 +44,6 @@ jobs:
       - lint_markdown
       - lint_spelling
       - lint_packages
-      - lint_prettier
       - test
       - type_check
     runs-on: ubuntu-latest

.github/workflows/test-js.yml

@@ -14,14 +14,13 @@ jobs:
         os:
           - "ubuntu-latest"
         node_version:
-          - "16"
-          - "18"
+          - "18.18"
           - "20"
           - "latest"
         ts_version:
           - "next"
           - "latest"
-          - "4.3.5"
+          - "4.7.4"
           # - "JS"
     runs-on: ${{ matrix.os }}
     continue-on-error: ${{ matrix.ts_version == 'next' }}

.github/workflows/type-check.yml → .github/workflows/typecheck.yml

@@ -6,9 +6,9 @@ on:
   workflow_call:
 
 jobs:
-  type-check:
+  typecheck:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: ./.github/actions/prepare
-      - run: pnpm run type-check
+      - run: pnpm run typecheck

.lintstagedrc.yml

@@ -1,17 +1,16 @@
 "*.{json,yml}":
-  - prettier --ignore-unknown --write
+  - eslint --fix
   - cspell lint --no-progress --show-suggestions --show-context --no-must-find-files --dot
 
-"*.ts":
-  - prettier --ignore-unknown --write
+"*.?([cm])[jt]s?(x)":
   - eslint --fix
   - cspell lint --no-progress --show-suggestions --show-context --no-must-find-files --dot
   - tsc-files -p tsconfig.build.json --noEmit
 
 "*.md":
-  - prettier --ignore-unknown --write
-  - markdownlint --config=.markdownlint.json --ignore-path=.markdownlintignore
+  - markdownlint-cli2 --fix
+  - eslint --fix
   - cspell lint --no-progress --show-suggestions --show-context --no-must-find-files --dot
 
-"pnpm-lock.yaml":
+pnpm-lock.yaml:
   - "pnpm dedupe && :"

.markdownlint-cli2.jsonc

@@ -0,0 +1,6 @@
+{
+  "$schema": "node_modules/markdownlint-cli2/schema/markdownlint-cli2-config-schema.json",
+  "gitignore": true,
+  "globs": ["**/*.md"],
+  "ignores": ["node_modules", "coverage", "lib", "CHANGELOG.md"],
+}

.markdownlint.json

@@ -1,4 +1,6 @@
 {
+  "$schema": "node_modules/markdownlint-cli2/schema/markdownlint-config-schema.json",
+
   "default": false,
   "extends": "markdownlint/style/prettier",
 
@@ -62,9 +64,9 @@
   // MD013/line-length : Line length : https://github.com/DavidAnson/markdownlint/blob/v0.33.0/doc/md013.md
   "MD013": {
     // Number of characters
-    "line_length": 160,
+    "line_length": 120,
     // Number of characters for headings
-    "heading_line_length": 160,
+    "heading_line_length": 120,
     // Number of characters for code blocks
     "code_block_line_length": 120,
     // Include code blocks

.prettierrc.yml

@@ -2,7 +2,6 @@
 
 plugins:
   - prettier-plugin-packagejson
-  - prettier-plugin-multiline-arrays
 
 trailingComma: "all"
 

.releaserc.yml

@@ -47,39 +47,11 @@ plugins:
   - - "semantic-release-replace-plugin"
     - replacements:
         - files:
-            - "./lib/**/*"
-          from: "\\$\\{__VERSION__\\}"
+            - "./lib/index.js"
+          from: "0\\.0\\.0\\-development"
           to: "${nextRelease.version}"
           results:
-            - file: "./lib/classic.cjs"
-              hasChanged: true
-              numMatches: 1
-              numReplacements: 1
-            - file: "./lib/classic.d.cts"
-              hasChanged: false
-              numMatches: 0
-              numReplacements: 0
-            - file: "./lib/classic.d.mts"
-              hasChanged: false
-              numMatches: 0
-              numReplacements: 0
-            - file: "./lib/classic.mjs"
-              hasChanged: true
-              numMatches: 1
-              numReplacements: 1
-            - file: "./lib/flat.cjs"
-              hasChanged: true
-              numMatches: 1
-              numReplacements: 1
-            - file: "./lib/flat.d.cts"
-              hasChanged: false
-              numMatches: 0
-              numReplacements: 0
-            - file: "./lib/flat.d.mts"
-              hasChanged: false
-              numMatches: 0
-              numReplacements: 0
-            - file: "./lib/flat.mjs"
+            - file: "./lib/index.js"
               hasChanged: true
               numMatches: 1
               numReplacements: 1

.vscode/settings.json

@@ -1,15 +1,23 @@
 {
   "editor.codeActionsOnSave": {
-    "source.fixAll": "explicit",
-    "source.fixAll.eslint": "explicit",
-    "source.formatDocument": "explicit",
-    "source.organizeImports": "explicit",
-    "source.sortImports": "explicit"
+    "source.fixAll.eslint": "explicit"
   },
   "editor.defaultFormatter": "esbenp.prettier-vscode",
-  "editor.formatOnSave": true,
-  "editor.formatOnSaveMode": "file",
+  "editor.formatOnSave": false,
   "editor.rulers": [80],
+  "eslint.probe": [
+    "html",
+    "javascript",
+    "javascriptreact",
+    "json",
+    "jsonc",
+    "markdown",
+    "toml",
+    "typescript",
+    "typescriptreact",
+    "vue",
+    "yaml"
+  ],
   "files.associations": {
     ".markdownlint.json": "jsonc",
     ".markdownlintignore": "ignore"
@@ -29,6 +37,6 @@
   },
   "typescript.tsdk": "./node_modules/typescript/lib",
   "[markdown]": {
-    "editor.rulers": [160]
+    "editor.rulers": [120]
   }
 }

CONTRIBUTING.md

@@ -8,10 +8,15 @@ For new features file an issue. For bugs, file an issue and optionally file a PR
 
 To execute the tests run `pnpm test`.
 
-To learn about ESLint plugin development see the [relevant section](https://eslint.org/docs/developer-guide/working-with-plugins) of the ESLint docs. You can also checkout the [typescript-eslint](https://github.com/typescript-eslint/typescript-eslint) repo which has some more information specific to TypeScript.
+To learn about ESLint plugin development see the
+[relevant section](https://eslint.org/docs/developer-guide/working-with-plugins) of the ESLint docs.
+You can also checkout the [typescript-eslint](https://github.com/typescript-eslint/typescript-eslint) repo which has
+some more information specific to TypeScript.
 
-In order to know which AST nodes are created for a snippet of TypeScript code you can use [AST explorer](https://astexplorer.net/) with options JavaScript and @typescript-eslint/parser.
+In order to know which AST nodes are created for a snippet of TypeScript code you can use
+[AST explorer](https://astexplorer.net/) with options JavaScript and @typescript-eslint/parser.
 
 ### How to publish
 
-Publishing is handled by [semantic release](https://github.com/semantic-release/semantic-release#readme) - there shouldn't be any need to publish manually.
+Publishing is handled by [semantic release](https://github.com/semantic-release/semantic-release#readme) -
+there shouldn't be any need to publish manually.