Hello, I don't know why but my codeEditor disappeared from visualEditor and wikiEditor, maybe because I put other extensions. So here is my list of extensions (from localSettings).
wfLoadExtension( 'AdvancedSearch' );
wfLoadExtension( 'ApprovedRevs' );
wfLoadExtension( 'BetaFeatures' );
wfLoadExtension( 'CirrusSearch' );
wfLoadExtension( 'CodeEditor' );
$wgDefaultUserOptions['usebetatoolbar'] = 1;
$wgScribuntoUseCodeEditor = false;
wfLoadExtension( 'CodeMirror' );
wfLoadExtension( 'DeleteBatch' );
wfLoadExtension( 'Echo' );
wfLoadExtension( 'Elastica' );
wfLoadExtension( 'Gadgets' );
wfLoadExtension( 'Highlightjs_Integration-master' );
wfLoadExtension( 'mediawiki-extensions-Cargo-3.0' );
wfLoadExtension( 'MultimediaViewer' );
wfLoadExtension( 'SandboxLink' );
wfLoadExtension( 'Scribunto' );
wfLoadExtension( 'TemplateData' );
wfLoadExtension( 'TemplateSandbox' );
wfLoadExtension( 'TemplateStyles' );
wfLoadExtension( 'TemplateWizard' );
wfLoadExtension( 'VisualEditor' );
wfLoadExtension( 'WikiEditor' );
Any help are appreciated.