feat: add TextAnnotation and export it

this allows us to handle data set data
by inserting text block boundaries
between items the text at rest can be read correctly

packages/@atjson/document/src/annotations/index.ts

@@ -3,4 +3,5 @@ export * from "./inline";
 export * from "./object";
 export * from "./parse";
 export * from "./slice";
+export * from "./text";
 export * from "./unknown";

packages/@atjson/document/src/annotations/text.ts

@@ -0,0 +1,12 @@
+import { BlockAnnotation } from "./block";
+
+/**
+ * Text annotations are used to chunk text that
+ * may have jagged edges or should have some
+ * chunking that would otherwise collapse text
+ * into run-on text.
+ */
+export class TextAnnotation extends BlockAnnotation<{}> {
+  static vendorPrefix = "atjson";
+  static type = "text";
+}

packages/@atjson/document/src/document.ts

@@ -10,6 +10,7 @@ import {
   Insertion,
   ParseAnnotation,
   SliceAnnotation,
+  TextAnnotation,
   UnknownAnnotation,
 } from "./internals";
 
@@ -735,7 +736,12 @@ export class Document {
     annotation: Annotation<any> | AnnotationJSON
   ): Annotation<any> {
     let DocumentClass = this.constructor as typeof Document;
-    let schema = [...DocumentClass.schema, ParseAnnotation, SliceAnnotation];
+    let schema = [
+      ...DocumentClass.schema,
+      ParseAnnotation,
+      SliceAnnotation,
+      TextAnnotation,
+    ];
 
     if (annotation instanceof UnknownAnnotation) {
       let KnownAnnotation = schema.find(function annotationMatchesClass(

packages/@atjson/document/src/index.ts

@@ -15,6 +15,7 @@ import {
   ObjectAnnotation,
   ParseAnnotation,
   SliceAnnotation,
+  TextAnnotation,
   UnknownAnnotation,
   is,
   deserialize,
@@ -46,6 +47,7 @@ export {
   ObjectAnnotation,
   ParseAnnotation,
   SliceAnnotation,
+  TextAnnotation,
   UnknownAnnotation,
   is,
   deserialize,

packages/@atjson/document/src/serialize.ts

@@ -8,6 +8,7 @@ import {
   JSONObject,
   Annotation,
   SliceAnnotation,
+  TextAnnotation,
   UnknownAnnotation,
   is,
   withStableIds,
@@ -128,11 +129,6 @@ const START_TOKENS = [
   TokenType.PARSE_START,
 ];
 
-class Text extends BlockAnnotation {
-  static vendorPrefix = "atjson";
-  static type = "text";
-}
-
 class Root extends BlockAnnotation {
   static vendorPrefix = "atjson";
   static type = "root";
@@ -466,7 +462,7 @@ export function serialize(
           }
 
           // Insert text block
-          let text = new Text({
+          let text = new TextAnnotation({
             start,
             end,
           });
@@ -477,15 +473,15 @@ export function serialize(
             annotation: text,
             selfClosing: false,
             shared,
-            edgeBehaviour: Text.edgeBehaviour,
+            edgeBehaviour: TextAnnotation.edgeBehaviour,
           });
           tokens.splice(startIndex + 1, 0, {
             type: TokenType.BLOCK_START,
             index: text.start,
             annotation: text,
             selfClosing: false,
             shared,
-            edgeBehaviour: Text.edgeBehaviour,
+            edgeBehaviour: TextAnnotation.edgeBehaviour,
           });
         }
         textLength = 0;