feat: add JSON body types and modernize package tooling

.github/dependabot.yml

@@ -1,7 +1,7 @@
 version: 2
 updates:
   - package-ecosystem: npm
-    directory: "/"
+    directory: '/'
     schedule:
       interval: daily
     open-pull-requests-limit: 5

.github/workflows/ci.yml

@@ -4,20 +4,39 @@ on:
   - push
   - pull_request
 
+permissions:
+  contents: read
+
 jobs:
   ci:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node-version:
-          - 20
-          - 22
-          - 24
     steps:
-      - uses: actions/checkout@v3
-      - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v3
+      - uses: actions/checkout@v7
+      - name: Use Node.js 26
+        uses: actions/setup-node@v7
+        with:
+          node-version: 26
+          package-manager-cache: false
+      - name: Use latest npm
+        run: npm install --global npm@latest
       - name: Install dependencies
-        run: yarn install
+        run: npm ci
+      - name: Build
+        run: npm run build
+      - name: Lint
+        run: npm run lint
+      - name: Check formatting
+        run: npm run format:check
+      - name: Type check
+        run: npm run typecheck
+      - name: Type check package exports
+        run: npm run typecheck:package
       - name: Run tests
-        run: yarn test-ci
+        run: npm run test-ci
+      - name: Upload built package
+        uses: actions/upload-artifact@v7
+        with:
+          name: dist
+          path: dist/
+          if-no-files-found: error
+          retention-days: 1

.gitignore

@@ -10,7 +10,6 @@ temp/
 #     Node.js     #
 ###################
 node_modules
-package-lock.json
 yarn.lock
 npm-debug.log
 yarn-debug.log
@@ -25,4 +24,7 @@ build
 ###################
 coverage
 *.lcov
+lcov.info
 .nyc_output
+.codex
+.claude

.oxfmtrc.json

@@ -0,0 +1,8 @@
+{
+  "$schema": "./node_modules/oxfmt/configuration_schema.json",
+  "printWidth": 80,
+  "singleQuote": true,
+  "bracketSpacing": true,
+  "trailingComma": "none",
+  "semi": false
+}

.oxlintrc.json

@@ -0,0 +1,241 @@
+{
+  "$schema": "./node_modules/oxlint/configuration_schema.json",
+  "plugins": ["eslint", "import", "node", "promise", "typescript"],
+  "env": {
+    "es2021": true,
+    "node": true
+  },
+  "options": {
+    "typeAware": true
+  },
+  "rules": {
+    "no-var": "warn",
+    "object-shorthand": ["warn", "properties"],
+    "accessor-pairs": [
+      "error",
+      {
+        "setWithoutGet": true,
+        "enforceForClassMembers": true
+      }
+    ],
+    "array-callback-return": [
+      "error",
+      {
+        "allowImplicit": false,
+        "checkForEach": false
+      }
+    ],
+    "constructor-super": "error",
+    "curly": ["error", "multi-line"],
+    "default-case-last": "error",
+    "eqeqeq": [
+      "error",
+      "always",
+      {
+        "null": "ignore"
+      }
+    ],
+    "new-cap": [
+      "error",
+      {
+        "newIsCap": true,
+        "capIsNew": false,
+        "properties": true
+      }
+    ],
+    "no-array-constructor": "error",
+    "no-async-promise-executor": "error",
+    "no-caller": "error",
+    "no-case-declarations": "error",
+    "no-class-assign": "error",
+    "no-compare-neg-zero": "error",
+    "no-cond-assign": "error",
+    "no-const-assign": "error",
+    "no-constant-condition": [
+      "error",
+      {
+        "checkLoops": false
+      }
+    ],
+    "no-control-regex": "error",
+    "no-debugger": "error",
+    "no-delete-var": "error",
+    "no-dupe-class-members": "error",
+    "no-dupe-keys": "error",
+    "no-duplicate-case": "error",
+    "no-useless-backreference": "error",
+    "no-empty": [
+      "error",
+      {
+        "allowEmptyCatch": true
+      }
+    ],
+    "no-empty-character-class": "error",
+    "no-empty-pattern": "error",
+    "no-eval": "error",
+    "no-ex-assign": "error",
+    "no-extend-native": "error",
+    "no-extra-bind": "error",
+    "no-extra-boolean-cast": "error",
+    "no-fallthrough": "error",
+    "no-func-assign": "error",
+    "no-global-assign": "error",
+    "no-implied-eval": "error",
+    "no-import-assign": "error",
+    "no-invalid-regexp": "error",
+    "no-irregular-whitespace": "error",
+    "no-iterator": "error",
+    "no-labels": [
+      "error",
+      {
+        "allowLoop": false,
+        "allowSwitch": false
+      }
+    ],
+    "no-lone-blocks": "error",
+    "no-loss-of-precision": "error",
+    "no-misleading-character-class": "error",
+    "no-prototype-builtins": "error",
+    "no-useless-catch": "error",
+    "no-multi-str": "error",
+    "no-new": "error",
+    "no-new-func": "error",
+    "no-new-wrappers": "error",
+    "no-obj-calls": "error",
+    "no-proto": "error",
+    "no-redeclare": [
+      "error",
+      {
+        "builtinGlobals": false
+      }
+    ],
+    "no-regex-spaces": "error",
+    "no-return-assign": ["error", "except-parens"],
+    "no-self-assign": [
+      "error",
+      {
+        "props": true
+      }
+    ],
+    "no-self-compare": "error",
+    "no-sequences": "error",
+    "no-shadow-restricted-names": "error",
+    "no-sparse-arrays": "error",
+    "no-template-curly-in-string": "error",
+    "no-this-before-super": "error",
+    "no-throw-literal": "error",
+    "no-undef": "error",
+    "no-unexpected-multiline": "error",
+    "no-unmodified-loop-condition": "error",
+    "no-unneeded-ternary": [
+      "error",
+      {
+        "defaultAssignment": false
+      }
+    ],
+    "no-unreachable": "error",
+    "no-unreachable-loop": "error",
+    "no-unsafe-finally": "error",
+    "no-unsafe-negation": "error",
+    "no-unused-expressions": [
+      "error",
+      {
+        "allowShortCircuit": true,
+        "allowTernary": true,
+        "allowTaggedTemplates": true
+      }
+    ],
+    "no-unused-vars": [
+      "error",
+      {
+        "args": "none",
+        "caughtErrors": "none",
+        "ignoreRestSiblings": true,
+        "vars": "all"
+      }
+    ],
+    "no-use-before-define": [
+      "error",
+      {
+        "functions": false,
+        "classes": false,
+        "variables": false
+      }
+    ],
+    "no-useless-call": "error",
+    "no-useless-computed-key": "error",
+    "no-useless-constructor": "error",
+    "no-useless-escape": "error",
+    "no-useless-rename": "error",
+    "no-useless-return": "error",
+    "no-void": "error",
+    "no-with": "error",
+    "one-var": [
+      "error",
+      {
+        "initialized": "never"
+      }
+    ],
+    "prefer-const": [
+      "error",
+      {
+        "destructuring": "all"
+      }
+    ],
+    "prefer-promise-reject-errors": "error",
+    "prefer-regex-literals": [
+      "error",
+      {
+        "disallowRedundantWrapping": true
+      }
+    ],
+    "symbol-description": "error",
+    "unicode-bom": ["error", "never"],
+    "use-isnan": [
+      "error",
+      {
+        "enforceForSwitchCase": true,
+        "enforceForIndexOf": true
+      }
+    ],
+    "valid-typeof": [
+      "error",
+      {
+        "requireStringLiterals": true
+      }
+    ],
+    "yoda": ["error", "never"],
+    "import/export": "error",
+    "import/first": "error",
+    "import/no-absolute-path": [
+      "error",
+      {
+        "esmodule": true,
+        "commonjs": true,
+        "amd": false
+      }
+    ],
+    "import/no-duplicates": "error",
+    "import/no-named-default": "error",
+    "import/no-webpack-loader-syntax": "error",
+    "node/handle-callback-err": ["error", "^(err|error)$"],
+    "node/no-exports-assign": "error",
+    "node/no-new-require": "error",
+    "node/no-path-concat": "error",
+    "promise/param-names": "error"
+  },
+  "overrides": [
+    {
+      "files": ["src/**/*.ts"],
+      "rules": {
+        "typescript/no-floating-promises": "error"
+      }
+    },
+    {
+      "files": ["test/**/*.ts"],
+      "rules": {
+        "typescript/no-floating-promises": "off"
+      }
+    }
+  ]
+}