diff --git a/.eslintrc.js b/.eslintrc.js
index 677f234..3b97b8c 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,19 +1,19 @@
 module.exports = {
-    'env': {
-        'browser': true,
-        'es6': true,
-        'node': true
-    },
-    'extends': 'eslint:recommended',
-    'globals': {
-        'Atomics': 'readonly',
-        'SharedArrayBuffer': 'readonly'
-    },
-    'parserOptions': {
-        'ecmaVersion': 2018,
-        'sourceType': 'module'
-    },
-    'rules': {
-        'no-undef': 'off'
-    }
+  env: {
+    browser: true,
+    es6: true,
+    node: true,
+  },
+  extends: 'eslint:recommended',
+  globals: {
+    Atomics: 'readonly',
+    SharedArrayBuffer: 'readonly',
+  },
+  parserOptions: {
+    ecmaVersion: 2018,
+    sourceType: 'module',
+  },
+  rules: {
+    'no-undef': 'off',
+  },
 };
diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 0000000..1521c8b
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1 @@
+dist
diff --git a/src/integration.js b/src/integration.js
index 677b4b7..22930ee 100644
--- a/src/integration.js
+++ b/src/integration.js
@@ -7,7 +7,13 @@ import { canOpAffectPath } from './canOpAffectPath';
 // https://codemirror.net/6/examples/collab/
 // https://github.com/yjs/y-codemirror.next/blob/main/src/y-sync.js#L107
 // https://github.com/vizhub-core/vizhub/blob/main/vizhub-v2/packages/neoFrontend/src/pages/VizPage/Body/Editor/CodeEditor/CodeArea/CodeAreaCodeMirror5/index.js
-export const json1Sync = ({ shareDBDoc, path = [], debug = false }) =>
+export const json1Sync = ({
+  shareDBDoc,
+  path = [],
+  json1,
+  textUnicode,
+  debug = false,
+}) =>
   ViewPlugin.fromClass(
     class {
       // ShareDB --> CodeMirror
@@ -57,12 +63,24 @@ export const json1Sync = ({ shareDBDoc, path = [], debug = false }) =>
             console.log(
               '  generated json1 op: ' +
                 JSON.stringify(
-                  changesToOpJSON1(path, update.changes, update.startState.doc)
+                  changesToOpJSON1(
+                    path,
+                    update.changes,
+                    update.startState.doc,
+                    json1,
+                    textUnicode
+                  )
                 )
             );
           }
           shareDBDoc.submitOp(
-            changesToOpJSON1(path, update.changes, update.startState.doc)
+            changesToOpJSON1(
+              path,
+              update.changes,
+              update.startState.doc,
+              json1,
+              textUnicode
+            )
           );
           this.lock = false;
         }
diff --git a/src/translation.js b/src/translation.js
index 37d1eb5..82ae47f 100644
--- a/src/translation.js
+++ b/src/translation.js
@@ -1,6 +1,3 @@
-import json1 from 'ot-json1';
-import textUnicode from 'ot-text-unicode';
-
 // This module is able to translate from CodeMirror ChangeSet to OT ops
 // and back, for both json0 and json1 OT types.
 //
@@ -37,7 +34,7 @@ export const changesToOpJSON0 = (path, changeSet, doc) => {
 };
 
 // Converts a CodeMirror ChangeSet to a json1 OT op.
-export const changesToOpJSON1 = (path, changeSet, doc) => {
+export const changesToOpJSON1 = (path, changeSet, doc, json1, textUnicode) => {
   const unicodeOp = [];
 
   // Iterate over all changes in the ChangeSet.
diff --git a/test/testIntegration.js b/test/testIntegration.js
index 62a604e..2476eea 100644
--- a/test/testIntegration.js
+++ b/test/testIntegration.js
@@ -1,11 +1,11 @@
 import * as assert from 'assert';
-import { json1Sync, canOpAffectPath } from '../src/index';
+import json1 from 'ot-json1';
+import textUnicode from 'ot-text-unicode';
 import { EditorState, ChangeSet } from '@codemirror/state';
 import { EditorView, ViewPlugin } from '@codemirror/view';
 import { JSDOM } from 'jsdom';
-
-import json1 from 'ot-json1';
 import ShareDB from 'sharedb';
+import { json1Sync, canOpAffectPath } from '../src/index';
 
 ShareDB.types.register(json1.type);
 
@@ -34,7 +34,10 @@ const createEditor = ({ shareDBDoc, path, additionalExtensions = [] }) => {
   const view = new EditorView({
     state: EditorState.create({
       doc: getAtPath(shareDBDoc, path),
-      extensions: [json1Sync({ shareDBDoc, path }), ...additionalExtensions],
+      extensions: [
+        json1Sync({ shareDBDoc, path, json1, textUnicode }),
+        ...additionalExtensions,
+      ],
     }),
   });
   return view;
diff --git a/test/verify.js b/test/verify.js
index bb88fd3..bd09675 100644
--- a/test/verify.js
+++ b/test/verify.js
@@ -92,7 +92,10 @@ export const verify = (options) => {
   it('changesToOpJSON1', () => {
     const state = EditorState.create({ doc: atPath(before, path) });
     const changeSet = ChangeSet.of(changes, before.length);
-    assert.deepEqual(changesToOpJSON1(path, changeSet, state.doc), opJSON1);
+    assert.deepEqual(
+      changesToOpJSON1(path, changeSet, state.doc, json1, textUnicode),
+      opJSON1
+    );
   });
 
   it('applied changes should match expected text', () => {