feat(rulesets): improve {oas2,oas3}-valid-schema rule

.eslintignore

@@ -1,6 +1,6 @@
 **/__fixtures__/**
-/test-harness/**/*.yaml
 /test-harness/tests/
 /packages/*/dist
+/packages/rulesets/src/oas/schemas/validators.ts
 /packages/*/CHANGELOG.md
 packages/formatters/src/html/templates.ts

.gitignore

@@ -11,6 +11,7 @@ node_modules
 !.yarn/versions
 
 packages/formatters/src/html/templates.ts
+packages/rulesets/src/oas/schemas/validators.ts
 packages/cli/binaries
 packages/*/src/version.ts
 /test-harness/tmp/

docs/reference/openapi-rules.md

@@ -665,6 +665,8 @@ Parameter objects should have a `description`.
 ### oas3-schema
 
 Validate structure of OpenAPI v3 specification.
+If OpenAPI 3.1.0 is used, `jsonSchemaDialect` is not respected and the draft 2020-12 is applied.
+If you define your own `jsonSchemaDialect`, you'll most likely want to disable this rule.
 
 **Recommended:** Yes
 

package.json

@@ -23,15 +23,16 @@
     "node": "^12.20 || >= 14.13"
   },
   "scripts": {
-    "clean": "rimraf .cache packages/*/{dist,.cache}",
+    "preclean": "yarn workspaces foreach run preclean",
+    "clean": "yarn preclean && rimraf .cache packages/*/{dist,.cache}",
     "prebuild": "yarn workspaces foreach run prebuild",
     "build": "yarn prebuild && tsc --build ./tsconfig.build.json && yarn postbuild",
     "postbuild": "yarn workspaces foreach run postbuild",
     "prelint": "yarn workspaces foreach run prelint",
     "lint": "yarn prelint && yarn lint.prettier && yarn lint.eslint",
     "lint.fix": "yarn lint.prettier --write && yarn lint.eslint --fix",
     "lint.eslint": "eslint --cache --cache-location .cache/.eslintcache --ext=.js,.mjs,.ts packages test-harness",
-    "lint.prettier": "prettier --ignore-path .eslintignore --ignore-unknown --check packages/core/src/ruleset/meta/*.json packages/rulesets/src/{asyncapi,oas}/schemas/*.json docs/**/*.md README.md",
+    "lint.prettier": "prettier --ignore-path .eslintignore --ignore-unknown --check packages/core/src/ruleset/meta/*.json packages/rulesets/src/{asyncapi,oas}/schemas/**/*.json docs/**/*.md README.md",
     "pretest": "yarn workspaces foreach run pretest",
     "test": "yarn pretest && yarn test.karma && yarn test.jest",
     "pretest.harness": "ts-node -T test-harness/scripts/generate-tests.ts",
@@ -137,7 +138,7 @@
     "packages/core/src/ruleset/meta/*.json": [
       "prettier --ignore-path .eslintignore --write"
     ],
-    "packages/rulesets/src/{asyncapi,oas}/schemas/*.json": [
+    "packages/rulesets/src/{asyncapi,oas}/schemas/**/*.json": [
       "prettier --ignore-path .eslintignore --write"
     ]
   },

packages/rulesets/package.json

@@ -27,16 +27,25 @@
     "@stoplight/spectral-runtime": "^1.1.1",
     "@stoplight/types": "^13.6.0",
     "@types/json-schema": "^7.0.7",
-    "ajv": "^8.8.2",
+    "ajv": "^8.12.0",
     "ajv-formats": "~2.1.0",
     "json-schema-traverse": "^1.0.0",
+    "leven": "3.1.0",
     "lodash": "~4.17.21",
     "tslib": "^2.3.0"
   },
   "devDependencies": {
     "@stoplight/path": "^1.3.2",
     "@stoplight/spectral-parsers": "*",
     "@stoplight/spectral-ref-resolver": "*",
-    "immer": "^9.0.6"
+    "gzip-size": "^6.0.0",
+    "immer": "^9.0.6",
+    "terser": "^5.26.0"
+  },
+  "scripts": {
+    "compile-schemas": "ts-node -T ./scripts/compile-schemas.ts",
+    "prelint": "yarn compile-schemas --quiet",
+    "pretest": "yarn compile-schemas --quiet",
+    "prebuild": "yarn compile-schemas --quiet"
   }
 }

packages/rulesets/scripts/compile-schemas.ts

@@ -0,0 +1,89 @@
+/* eslint-disable no-console */
+import * as fs from 'fs';
+import * as path from 'path';
+import * as process from 'process';
+import Ajv2020 from 'ajv/dist/2020.js';
+import standaloneCode from 'ajv/dist/standalone/index.js';
+import ajvErrors from 'ajv-errors';
+import ajvFormats from 'ajv-formats';
+import chalk from 'chalk';
+import { minify } from 'terser';
+import { sync } from 'gzip-size';
+
+const cwd = path.join(__dirname, '../src');
+
+const schemas = [
+  'oas/schemas/json-schema/draft-04.json',
+  'oas/schemas/json-schema/draft-2020-12/index.json',
+  'oas/schemas/json-schema/draft-2020-12/validation.json',
+  'oas/schemas/oas/v2.0.json',
+  'oas/schemas/oas/v3.0.json',
+  'oas/schemas/oas/v3.1/dialect.schema.json',
+  'oas/schemas/oas/v3.1/meta.schema.json',
+  'oas/schemas/oas/v3.1/index.json',
+].map(async schema => JSON.parse(await fs.promises.readFile(path.join(cwd, schema), 'utf8')));
+
+const log = process.argv.includes('--quiet')
+  ? (): void => {
+      /* no-op */
+    }
+  : console.log.bind(console);
+
+Promise.all(schemas)
+  .then(async schemas => {
+    const ajv = new Ajv2020({
+      schemas,
+      allErrors: true,
+      messages: true,
+      strict: false,
+      inlineRefs: false,
+      formats: {
+        'media-range': true,
+      },
+      code: {
+        esm: true,
+        source: true,
+      },
+    });
+
+    ajvFormats(ajv);
+    ajvErrors(ajv);
+
+    const target = path.join(cwd, 'oas/schemas/validators.ts');
+    const basename = path.basename(target);
+    const code = standaloneCode(ajv, {
+      oas2_0: 'http://swagger.io/v2/schema.json',
+      oas3_0: 'https://spec.openapis.org/oas/3.0/schema/2019-04-02',
+      oas3_1: 'https://spec.openapis.org/oas/3.1/schema/2021-09-28',
+    });
+
+    const minified = (
+      await minify(code, {
+        compress: {
+          passes: 2,
+        },
+        ecma: 2020,
+        module: true,
+        format: {
+          comments: false,
+        },
+      })
+    ).code as string;
+
+    log(
+      'writing %s size is %dKB (original), %dKB (minified) %dKB (minified + gzipped)',
+      path.join(target, '..', basename),
+      Math.round((code.length / 1024) * 100) / 100,
+      Math.round((minified.length / 1024) * 100) / 100,
+      Math.round((sync(minified) / 1024) * 100) / 100,
+    );
+
+    await fs.promises.writeFile(path.join(target, '..', basename), ['// @ts-nocheck', minified].join('\n'));
+  })
+  .then(() => {
+    log(chalk.green('Validators generated.'));
+  })
+  .catch(e => {
+    console.error(chalk.red('Error generating validators %s'), e.message);
+    process.exit(1);
+  });

packages/rulesets/src/oas/__tests__/oas2-schema.test.ts

@@ -25,4 +25,36 @@ testRule('oas2-schema', [
       },
     ],
   },
+
+  {
+    name: 'validate security definitions',
+    document: {
+      swagger: '2.0',
+      info: {
+        title: 'response example',
+        version: '1.0',
+      },
+      paths: {
+        '/user': {
+          get: {
+            responses: {
+              200: {
+                description: 'dummy description',
+              },
+            },
+          },
+        },
+      },
+      securityDefinitions: {
+        basic: null,
+      },
+    },
+    errors: [
+      {
+        message: 'Invalid basic authentication security definition.',
+        path: ['securityDefinitions', 'basic'],
+        severity: DiagnosticSeverity.Error,
+      },
+    ],
+  },
 ]);