Add below code on your module frontend di.xml file
<type name="Magento\Cms\Model\Wysiwyg\CompositeConfigProvider">
<arguments>
<argument name="variablePluginConfigProvider" xsi:type="array">
<item name="default" xsi:type="string">Magento\Variable\Model\Variable\ConfigProvider</item>
</argument>
<argument name="widgetPluginConfigProvider" xsi:type="array">
<item name="default" xsi:type="string">Magento\Widget\Model\Widget\Config</item>
</argument>
<argument name="wysiwygConfigPostProcessor" xsi:type="array">
<item name="default" xsi:type="string">Magento\Cms\Model\Wysiwyg\DefaultConfigProvider</item>
</argument>
<argument name="galleryConfigProvider" xsi:type="array">
<item name="default" xsi:type="string">Magento\Cms\Model\Wysiwyg\Gallery\DefaultConfigProvider</item>
</argument>
</arguments>
</type>
And also change Editor call js on frontend :
<script>
require([
'jquery',
'mage/adminhtml/wysiwyg/tiny_mce/setup'
], function (jQuery) {
var config = '<?php echo $block->getWysiwygConfig() ?>',
editor;
jQuery.extend(config, {
settings: {
theme_advanced_buttons1: 'bold,italic,|,justifyleft,justifycenter,justifyright,|,' +
'fontselect,fontsizeselect,|,forecolor,backcolor,|,link,unlink,image,|,bullist,numlist,|,code',
theme_advanced_buttons2: null,
theme_advanced_buttons3: null,
theme_advanced_buttons4: null,
theme_advanced_statusbar_location: null
},
files_browser_window_url: false
});
editor = new tinyMceWysiwygSetup(
'short_description',
config
);
editor.turnOn();
jQuery('#short_description')
.addClass('wysiwyg-editor')
.data(
'wysiwygEditor',
editor
);
});
</script>
Replace: <script>
require([
"jquery",
"mage/translate",
"mage/adminhtml/events",
"mage/adminhtml/wysiwyg/tiny_mce/setup"
], function(jQuery){
wysiwygcompany_description = new wysiwygSetup("short_description", {
"width":"99%", // defined width of editor
"height":"200px", // height of editor
"plugins":[{"name":"image"}], // for image
"tinymce4":{"toolbar":"formatselect | bold italic underline | alignleft aligncenter alignright | bullist numlist | link table charmap","plugins":"advlist autolink lists link charmap media noneditable table contextmenu paste code help table",
}
});
wysiwygcompany_description.setup("exact");
});
</script>