fix: handle references in array items (#734)

* Handle items: [{ $ref }]

Signed-off-by: rtkevin <kevin@rtvision.com>

* Update array.test.js

Signed-off-by: rtkevin <kevin@rtvision.com>

* fix: update to latest fast-json-stringify

* fix: linting issue

---------

Signed-off-by: rtkevin <kevin@rtvision.com>
Co-authored-by: Kalven Schraut <kalvens@rtvision.com>

Author: rtkevin

index.js

@@ -665,10 +665,15 @@ function buildArray (context, location, input) {
 
     if (Array.isArray(itemsSchema)) {
       for (let i = 0, itemsSchemaLength = itemsSchema.length; i < itemsSchemaLength; i++) {
-        const item = itemsSchema[i]
+        let item = itemsSchema[i]
+        let itemLocation = itemsLocation.getPropertyLocation(i)
+        if (itemLocation.schema.$ref) {
+          itemLocation = resolveRef(context, itemLocation)
+          item = itemLocation.schema
+        }
         const value = `value_${i}`
         functionCode += `const ${value} = obj[${i}]`
-        const tmpRes = buildValue(context, itemsLocation.getPropertyLocation(i), value)
+        const tmpRes = buildValue(context, itemLocation, value)
         functionCode += `
         if (${i} < arrayLength) {
           if (${buildArrayTypeCondition(item.type, value)}) {
@@ -747,10 +752,15 @@ function buildArray (context, location, input) {
     const localUid = context.uid++
     inlinedCode += `let addComma_${localUid} = false\n`
     for (let i = 0, itemsSchemaLength = itemsSchema.length; i < itemsSchemaLength; i++) {
-      const item = itemsSchema[i]
+      let item = itemsSchema[i]
+      let itemLocation = itemsLocation.getPropertyLocation(i)
+      if (itemLocation.schema.$ref) {
+        itemLocation = resolveRef(context, itemLocation)
+        item = itemLocation.schema
+      }
       const value = `value_${i}_${context.uid++}`
       inlinedCode += `const ${value} = ${objVar}[${i}]`
-      const tmpRes = buildValue(context, itemsLocation.getPropertyLocation(i), value)
+      const tmpRes = buildValue(context, itemLocation, value)
       inlinedCode += `
         if (${i} < arrayLength_${objVar}) {
           if (${buildArrayTypeCondition(item.type, value)}) {

test/array.test.js

@@ -61,6 +61,34 @@ buildTest({
   dates: [new Date(1), new Date(2)]
 })
 
+buildTest({
+  title: 'dates tuple $ref',
+  definitions: {
+    dateTime: {
+      type: 'string',
+      format: 'date-time'
+    }
+  },
+  type: 'object',
+  properties: {
+    dates: {
+      type: 'array',
+      minItems: 2,
+      maxItems: 2,
+      items: [
+        {
+          $ref: '#/definitions/dateTime'
+        },
+        {
+          $ref: '#/definitions/dateTime'
+        }
+      ]
+    }
+  }
+}, {
+  dates: [new Date(1), new Date(2)]
+})
+
 buildTest({
   title: 'string array',
   type: 'object',