Strip external schemas from standalone compiled code

Author: remidewitte

lib/standalone.js

@@ -8,14 +8,16 @@ function buildStandaloneCode (contextFunc, context, serializer, validator) {
   } else {
     ajvDependencyCode += 'const validator = null\n'
   }
+  // Don't need to keep external schemas once compiled
+  const { schema, ...options } = serializer.getState()
 
   return `
   'use strict'
   const { dependencies } = require('fast-json-stringify/lib/standalone')
 
   const { Serializer, Validator } = dependencies
 
-  const serializerState = ${JSON.stringify(serializer.getState())}
+  const serializerState = ${JSON.stringify(options)}
   const serializer = Serializer.restoreFromState(serializerState)
 
   ${ajvDependencyCode}

test/standalone-mode.test.js

@@ -26,14 +26,14 @@ test('activate standalone mode', async (t) => {
   t.type(code, 'string')
   t.equal(code.indexOf('ajv'), -1)
 
-  const destionation = path.resolve(tmpDir, 'standalone.js')
+  const destination = path.resolve(tmpDir, 'standalone.js')
 
   t.teardown(async () => {
-    await fs.promises.rm(destionation, { force: true })
+    await fs.promises.rm(destination, { force: true })
   })
 
-  await fs.promises.writeFile(destionation, code)
-  const standalone = require(destionation)
+  await fs.promises.writeFile(destination, code)
+  const standalone = require(destination)
   t.same(standalone({ firstName: 'Foo', surname: 'bar' }), JSON.stringify({ firstName: 'Foo' }), 'surname evicted')
 })
 
@@ -89,14 +89,14 @@ test('test ajv schema', async (t) => {
   t.type(code, 'string')
   t.equal(code.indexOf('ajv') > 0, true)
 
-  const destionation = path.resolve(tmpDir, 'standalone2.js')
+  const destination = path.resolve(tmpDir, 'standalone2.js')
 
   t.teardown(async () => {
-    await fs.promises.rm(destionation, { force: true })
+    await fs.promises.rm(destination, { force: true })
   })
 
-  await fs.promises.writeFile(destionation, code)
-  const standalone = require(destionation)
+  await fs.promises.writeFile(destination, code)
+  const standalone = require(destination)
   t.same(standalone({
     kind: 'foobar',
     foo: 'FOO',
@@ -119,3 +119,38 @@ test('test ajv schema', async (t) => {
     }]
   }))
 })
+
+test('no need to keep external schemas once compiled', async (t) => {
+  t.plan(1)
+  const externalSchema = {
+    first: {
+      definitions: {
+        id1: {
+          type: 'object',
+          properties: {
+            id1: {
+              type: 'integer'
+            }
+          }
+        }
+      }
+    }
+  }
+  const code = fjs({
+    $ref: 'first#/definitions/id1'
+  }, {
+    mode: 'standalone',
+    schema: externalSchema
+  })
+
+  const destination = path.resolve(tmpDir, 'standalone3.js')
+
+  t.teardown(async () => {
+    await fs.promises.rm(destination, { force: true })
+  })
+
+  await fs.promises.writeFile(destination, code)
+  const standalone = require(destination)
+
+  t.same(standalone({ id1: 5 }), JSON.stringify({ id1: 5 }), 'serialization works with external schemas')
+})