fix: set yaml parser load option to JSON_SCHEMA (#8023)

src/core/plugins/spec/actions.js

@@ -1,4 +1,4 @@
-import YAML from "js-yaml"
+import YAML, { JSON_SCHEMA } from "js-yaml"
 import { Map } from "immutable"
 import parseUrl from "url-parse"
 import { serializeError } from "serialize-error"
@@ -62,7 +62,7 @@ export const parseToJson = (str) => ({specActions, specSelectors, errActions}) =
   try {
     str = str || specStr()
     errActions.clear({ source: "parser" })
-    json = YAML.load(str)
+    json = YAML.load(str, { schema: JSON_SCHEMA })
   } catch(e) {
     // TODO: push error to state
     console.error(e)

src/core/utils.js

@@ -25,7 +25,7 @@ import cssEscape from "css.escape"
 import getParameterSchema from "../helpers/get-parameter-schema"
 import randomBytes from "randombytes"
 import shaJs from "sha.js"
-import YAML from "js-yaml"
+import YAML, { JSON_SCHEMA } from "js-yaml"
 
 
 const DEFAULT_RESPONSE_KEY = "default"
@@ -651,7 +651,7 @@ const getYamlSampleSchema = (schema, config, contentType, exampleOverride) => {
     yamlString = YAML.dump(YAML.load(jsonExample), {
 
       lineWidth: -1 // don't generate line folds
-    })
+    }, { schema: JSON_SCHEMA })
     if(yamlString[yamlString.length - 1] === "\n") {
       yamlString = yamlString.slice(0, yamlString.length - 1)
     }

test/e2e-cypress/static/documents/features/spec-parse-to-json.yaml

@@ -0,0 +1,26 @@
+openapi: 3.0.0
+
+info:
+  version: 1.0.0
+  title: Native date formats in YAML
+
+paths:
+  /foo:
+    get: 
+      description: Has date without quotes
+      responses:
+        '200':
+          description: Ok
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  without-quotes:
+                    type: string
+                    format: date
+                    example: 1999-11-31
+                  with-quotes:
+                    type: string
+                    format: date
+                    example: "1999-12-31"

test/e2e-cypress/tests/features/spec-parse-to-json.js

@@ -0,0 +1,23 @@
+/**
+ * @prettier
+ */
+
+describe("Parse YAML as YAML@1.2 with json_schema for all JSON-supported types", () => {
+  it("should have date string even without quotes", () => {
+    cy.visit("/?url=/documents/features/spec-parse-to-json.yaml")
+      .get("#operations-default-get_foo")
+      .click()
+      // Responses -> example value tab
+      .get(".language-json > :nth-child(3)")
+      .should("have.text", "\"without-quotes\"")
+      .get(".language-json > :nth-child(5)")
+      .should("have.text", "\"1999-11-31\"")
+      // Responses -> schema tab
+      .get(".model-example > .tab > :nth-child(2)")
+      .click()
+      .get(":nth-child(1) > :nth-child(2) > .model > :nth-child(1) > .prop > .property") // first element, without-quotes
+      .should("have.text", "example: 1999-11-31")
+      .get(":nth-child(2) > :nth-child(2) > .model > :nth-child(1) > .prop > .property") // second element, with quotes
+      .should("have.text", "example: 1999-12-31")
+  })
+})