Duplicate color appear in palette

[timkingbu]

If colors are added via add_theme_support( 'editor-color-palette', array(...) ); to get them to appear in core blocks and add_filter( 'block_editor_settings' function() ); so that they appear in BU Blocks they are merged in the color palette but duplicate colors are not removed.

The specific code block is

bu-blocks/src/global/theme-options.js

Lines 71 to 83 in a724324

	if ( themeOptions && ! themeOptions.some( v => defaultColors.includes( v ) ) ) {
	const newColors = defaultColors.concat( themeOptions );
	// Update both the editor settings and general settings so that when a color
	// is chosen, the value is one of those expected by the component.
	updateEditorSettings( { colors: newColors } );
	// In WordPress 5.2 and alter, the settings should be updated outside of the
	// editor too, through updateSettings.
	if ( 'undefined' !== typeof updateSettings ) {
	updateSettings( { colors: newColors } );
	}
	}

— the .some() function is in place to handle this but is intended for arrays, but the colors are a json object.

Suggested code update is to replace const newColors = defaultColors.concat( themeOptions ); with:

const combinedColors = defaultColors.concat( themeOptions );
const newColors = [... new Set(combinedColors.map(JSON.stringify))].map(JSON.parse);