feat: show min properties max properties

demo/openapi.yaml

@@ -88,7 +88,7 @@ paths:
     parameters:
       - name: Accept-Language
         in: header
-        description: "The language you prefer for messages. Supported values are en-AU, en-CA, en-GB, en-US"
+        description: 'The language you prefer for messages. Supported values are en-AU, en-CA, en-GB, en-US'
         example: en-US
         required: false
         schema:
@@ -254,7 +254,7 @@ paths:
           required: false
           schema:
             type: string
-          example: "Bearer <TOKEN>"
+          example: 'Bearer <TOKEN>'
         - name: petId
           in: path
           description: Pet id to delete
@@ -401,6 +401,7 @@ paths:
             application/json:
               schema:
                 type: object
+                minProperties: 2
                 additionalProperties:
                   type: integer
                   format: int32
@@ -429,7 +430,7 @@ paths:
             application/json:
               example:
                 status: 400
-                message: "Invalid Order"
+                message: 'Invalid Order'
       requestBody:
         content:
           application/json:
@@ -877,11 +878,11 @@ paths:
                 type: string
               examples:
                 response:
-                  value:  <Message> OK </Message>
+                  value: <Message> OK </Message>
             text/plain:
               examples:
                 response:
-                  value:  OK
+                  value: OK
         '400':
           description: Invalid username/password supplied
   /user/logout:
@@ -1027,8 +1028,8 @@ components:
       properties:
         id:
           externalDocs:
-            description: "Find more info here"
-            url: "https://example.com"
+            description: 'Find more info here'
+            url: 'https://example.com'
           description: Pet ID
           allOf:
             - $ref: '#/components/schemas/Id'
@@ -1201,7 +1202,7 @@ x-webhooks:
         content:
           application/json:
             schema:
-              $ref: "#/components/schemas/Pet"
+              $ref: '#/components/schemas/Pet'
       responses:
-        "200":
+        '200':
           description: Return a 200 status to indicate that the data was received successfully

src/components/Parameters/Parameters.tsx

@@ -10,6 +10,7 @@ import { MediaTypesSwitch } from '../MediaTypeSwitch/MediaTypesSwitch';
 import { Schema } from '../Schema';
 
 import { Markdown } from '../Markdown/Markdown';
+import { ConstraintsView } from '../Fields/FieldContstraints';
 
 function safePush(obj, prop, item) {
   if (!obj[prop]) {
@@ -79,6 +80,7 @@ export function BodyContent(props: {
         return (
           <>
             {description !== undefined && <Markdown source={description} />}
+            <ConstraintsView constraints={schema?.constraints || []} />
             <Schema
               skipReadOnly={isRequestType}
               skipWriteOnly={!isRequestType}

src/components/Responses/ResponseDetails.tsx

@@ -10,6 +10,7 @@ import { Schema } from '../Schema';
 import { Extensions } from '../Fields/Extensions';
 import { Markdown } from '../Markdown/Markdown';
 import { ResponseHeaders } from './ResponseHeaders';
+import { ConstraintsView } from '../Fields/FieldContstraints';
 
 export class ResponseDetails extends React.PureComponent<{ response: ResponseModel }> {
   render() {
@@ -21,7 +22,12 @@ export class ResponseDetails extends React.PureComponent<{ response: ResponseMod
         <ResponseHeaders headers={headers} />
         <MediaTypesSwitch content={content} renderDropdown={this.renderDropdown}>
           {({ schema }) => {
-            return <Schema skipWriteOnly={true} key="schema" schema={schema} />;
+            return (
+              <>
+                <ConstraintsView constraints={schema?.constraints || []} />
+                <Schema skipWriteOnly={true} key="schema" schema={schema} />
+              </>
+            );
           }}
         </MediaTypesSwitch>
       </>

src/components/Schema/OneOfSchema.tsx

@@ -8,6 +8,7 @@ import {
 } from '../../common-elements/schema';
 import { Badge } from '../../common-elements/shelfs';
 import { SchemaModel } from '../../services/models';
+import { ConstraintsView } from '../Fields/FieldContstraints';
 import { Schema, SchemaProps } from './Schema';
 
 export interface OneOfButtonProps {
@@ -47,6 +48,8 @@ export class OneOfSchema extends React.Component<SchemaProps> {
     if (oneOf === undefined) {
       return null;
     }
+    const activeSchema = oneOf[schema.activeOneOf];
+
     return (
       <div>
         <OneOfLabel> {schema.oneOfType} </OneOfLabel>
@@ -58,7 +61,8 @@ export class OneOfSchema extends React.Component<SchemaProps> {
         <div>
           {oneOf[schema.activeOneOf].deprecated && <Badge type="warning">Deprecated</Badge>}
         </div>
-        <Schema {...this.props} schema={oneOf[schema.activeOneOf]} />
+        <ConstraintsView constraints={activeSchema.constraints} />
+        <Schema {...this.props} schema={activeSchema} />
       </div>
     );
   }

src/components/__tests__/OneOfSchema.test.tsx

@@ -10,7 +10,7 @@ import { withTheme } from '../testProviders';
 
 const options = new RedocNormalizedOptions({});
 describe('Components', () => {
-  describe('SchemaView', () => {
+  describe('SchemaView OneOf', () => {
     const parser = new OpenAPIParser(
       { openapi: '3.0', info: { title: 'test', version: '0' }, paths: {} },
       undefined,
@@ -53,5 +53,30 @@ describe('Components', () => {
         expect(component.render()).toMatchSnapshot();
       });
     });
+
+    describe('Show minProperties/maxProperties constraints oneOf', () => {
+      const schema = new SchemaModel(
+        parser,
+        {
+          oneOf: [
+            {
+              type: 'object',
+              description: 'Test description',
+              minProperties: 1,
+              maxProperties: 1,
+              additionalProperties: {
+                type: 'string',
+                description: 'The name and value o',
+              },
+            },
+          ],
+        },
+        '',
+        options,
+      );
+
+      const component = shallow(withTheme(<Schema schema={schema} />));
+      expect(component.html().includes('= 1 properties')).toBe(true);
+    });
   });
 });

src/components/__tests__/Schema.test.tsx

@@ -0,0 +1,67 @@
+/* tslint:disable:no-implicit-dependencies */
+
+import { shallow } from 'enzyme';
+import * as React from 'react';
+
+import { Schema } from '../';
+import { OpenAPIParser, SchemaModel } from '../../services';
+import { RedocNormalizedOptions } from '../../services/RedocNormalizedOptions';
+import { withTheme } from '../testProviders';
+
+const options = new RedocNormalizedOptions({});
+describe('Components', () => {
+  describe('SchemaView', () => {
+    const parser = new OpenAPIParser(
+      { openapi: '3.0', info: { title: 'test', version: '0' }, paths: {} },
+      undefined,
+      options,
+    );
+
+    describe('Show minProperties/maxProperties constraints', () => {
+      const schema = new SchemaModel(
+        parser,
+        {
+          properties: {
+            name: {
+              type: 'object',
+              minProperties: 1,
+              properties: {
+                address: {
+                  type: 'string',
+                },
+              },
+            },
+          },
+        },
+        '',
+        options,
+      );
+      const component = shallow(withTheme(<Schema schema={schema} />));
+      expect(component.html().includes('non-empty')).toBe(true);
+    });
+
+    describe('Show range minProperties/maxProperties constraints', () => {
+      const schema = new SchemaModel(
+        parser,
+        {
+          properties: {
+            name: {
+              type: 'object',
+              minProperties: 2,
+              maxProperties: 10,
+              additionalProperties: {
+                type: 'string',
+              },
+            },
+          },
+        },
+        '',
+        options,
+      );
+      it('should includes [ 2 .. 10 ] properties', () => {
+        const component = shallow(withTheme(<Schema schema={schema} />));
+        expect(component.html().includes('[ 2 .. 10 ] properties')).toBe(true);
+      });
+    });
+  });
+});

src/components/__tests__/__snapshots__/OneOfSchema.test.tsx.snap

@@ -1,6 +1,6 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`Components SchemaView OneOf deprecated should match snapshot 1`] = `
+exports[`Components SchemaView OneOf OneOf deprecated should match snapshot 1`] = `
 <div>
   <span
     class="sc-kfYoZR juYXUf"

src/utils/__tests__/__snapshots__/loadAndBundleSpec.test.ts.snap

@@ -966,6 +966,7 @@ try {
                     "format": "int32",
                     "type": "integer",
                   },
+                  "minProperties": 2,
                   "type": "object",
                 },
               },

src/utils/__tests__/openapi.test.ts

@@ -553,7 +553,7 @@ describe('Utils', () => {
     });
 
     it('should have a humanized constraint when minItems and maxItems are the same', () => {
-      expect(humanizeConstraints(itemConstraintSchema(7, 7))).toContain('7 items');
+      expect(humanizeConstraints(itemConstraintSchema(7, 7))).toContain('= 7 items');
     });
 
     it('should have a humanized constraint when justMinItems is set, and it is equal to 1', () => {

src/utils/openapi.ts

@@ -423,7 +423,7 @@ function humanizeRangeConstraint(
   let stringRange;
   if (min !== undefined && max !== undefined) {
     if (min === max) {
-      stringRange = `${min} ${description}`;
+      stringRange = `= ${min} ${description}`;
     } else {
       stringRange = `[ ${min} .. ${max} ] ${description}`;
     }
@@ -476,6 +476,15 @@ export function humanizeConstraints(schema: OpenAPISchema): string[] {
     res.push(arrayRange);
   }
 
+  const propertiesRange = humanizeRangeConstraint(
+    'properties',
+    schema.minProperties,
+    schema.maxProperties,
+  );
+  if (propertiesRange !== undefined) {
+    res.push(propertiesRange);
+  }
+
   const multipleOfConstraint = humanizeMultipleOfConstraint(schema.multipleOf);
   if (multipleOfConstraint !== undefined) {
     res.push(multipleOfConstraint);