Parse directly after setText

HISTORY.md

@@ -2,16 +2,16 @@
 
 https://github.com/josdejong/jsoneditor
 
-
 ## not yet published, version 6.2.0
 
-- Implemented new mode `preview`, capable of working with JSON documents
+- Implemented new mode `preview`, capable of working with large JSON documents
   up to 500 MiB.
 - Fixed #730: in `code` mode, there was an initial undo action which clears
   the content.
 - Upgraded dependencies `vanilla-picker@2.9.1`, `mobius1-selectr@2.4.13`,
   `ajv@6.10.2`.
 
+
 ## 2019-06-22, version 6.1.0
 
 - Implemented menu options `sort` and `transform` for modes `code` and `text`.

src/js/previewmode.js

@@ -525,9 +525,7 @@ previewmode.get = function() {
     var text = this.getText();
 
     try {
-      console.time('parse') // TODO: cleanup
       this.json = util.parse(text); // this can throw an error
-      console.timeEnd('parse') // TODO: cleanup
     }
     catch (err) {
       // try to sanitize json, replace JavaScript notation with JSON notation
@@ -547,14 +545,10 @@ previewmode.get = function() {
  */
 previewmode.getText = function() {
   if (this.text === undefined) {
-    console.time('stringify') // TODO: cleanup
     this.text = JSON.stringify(this.json, null, this.indentation);
-    console.timeEnd('stringify') // TODO: cleanup
 
     if (this.options.escapeUnicode === true) {
-      console.time('escape') // TODO: cleanup
       this.text = util.escapeUnicodeChars(this.text);
-      console.timeEnd('escape') // TODO: cleanup
     }
   }
 
@@ -594,9 +588,7 @@ previewmode.updateText = function(jsonText) {
  */
 previewmode._setText = function(jsonText, json) {
   if (this.options.escapeUnicode === true) {
-    console.time('escape') // TODO: cleanup
     this.text = util.escapeUnicodeChars(jsonText);
-    console.timeEnd('escape') // TODO: cleanup
   }
   else {
     this.text = jsonText;
@@ -605,7 +597,18 @@ previewmode._setText = function(jsonText, json) {
 
   this._renderPreview();
 
+  if (this.json === undefined) {
+    var me = this;
+    this.executeWithBusyMessage(function () {
+      // force parsing the json now, else it will be done in validate without feedback
+      me.json = me.get();
+      me._renderPreview();
+      me._pushHistory();
+    }, 'parsing...');
+  }
+  else {
     this._pushHistory();
+  }
 
   this._debouncedValidate();
 };

src/js/showTransformModal.js

@@ -252,14 +252,10 @@ function showTransformModal (container, json, onTransform) {
 
         function updatePreview() {
           try {
-            console.time('transform') // TODO: cleanup
             var transformed = jmespath.search(value, query.value);
-            console.timeEnd('transform') // TODO: cleanup
 
-            console.time('stringify') // TODO: cleanup
             preview.className = 'jsoneditor-transform-preview';
             preview.value = stringifyPartial(transformed, 2, MAX_PREVIEW_CHARACTERS);
-            console.timeEnd('stringify') // TODO: cleanup
 
             ok.disabled = false;
           }