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HTML-tags of newly registered formats disappear when pasting #13292

websupporter opened this Issue Jan 11, 2019 · 1 comment


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websupporter commented Jan 11, 2019

Describe the bug
I registered a new format type. Lets say: <span class="great-class">. When I copy a text now into the Component, the span.great-class tags get removed:

Received HTML:
df df <span class="great-class">df</span> df df. editor.min.js:55:146144
Received plain text:
df df df df df. editor.min.js:55:146187
Processed inline HTML:
df df df df df. blocks.min.js:2:115611

To Reproduce

const {createElement} = window.wp.element;
const {registerFormatType, toggleFormat} = window.wp.richText;
const {RichTextToolbarButton} = window.wp.editor;

registerFormatType('some/type', {
    title: 'Title',
    tagName: 'span',
    className: 'great-class',
    edit({ isActive, value, onChange}) {
        const onClick = () => {
            onChange(toggleFormat(value, { type: 'some/type' }));

        return (
            createElement(RichTextToolbarButton, {
                icon: 'admin-home',
                title: 'Title',
                shortcutType: 'primary',
                shortcutCharacter: '8',
  1. Add this script
  2. Add a text in a RichText component
  3. Select a part of the text and click the new button in the toolbar
  4. Copy all the text in the clipboard
  5. Paste the text in a RichText component
  6. See error

Expected behavior
The new format should survive the copy/pasting


Desktop (please complete the following information):

  • OS: Ubuntu 14.04
  • Browser Firefox

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websupporter commented Jan 11, 2019

I suspect, this could be fixed by expanding the list returned by getPhrasingContentSchema() with the types we get from'core/rich-text').getFormatTypes()

But for <span> this might be also a problem:

if ( node.nodeName === 'SPAN' ) {
const {
} =;
if ( fontWeight === 'bold' || fontWeight === '700' ) {
wrap( doc.createElement( 'strong' ), node );
if ( fontStyle === 'italic' ) {
wrap( doc.createElement( 'em' ), node );
if ( textDecorationLine === 'line-through' ) {
wrap( doc.createElement( 'del' ), node );
if ( verticalAlign === 'super' ) {
wrap( doc.createElement( 'sup' ), node );
} else if ( verticalAlign === 'sub' ) {
wrap( doc.createElement( 'sub' ), node );

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