Function normalizeCodeLanguage

scripts/injectGptButton.js:196–209

(language)

        };

        const normalizeCodeLanguage = (language) => {
            const normalized = (language || '').trim().toLowerCase();
            const aliases = {
                'c++': 'cpp',
                'c#': 'csharp',
                'js': 'javascript',
                'ts': 'typescript',
                'shell': 'bash',
                'zsh': 'bash',
            };

            if (aliases[normalized]) return aliases[normalized];
            return /^[a-z0-9_+-]+$/.test(normalized) ? normalized : '';
        };

        const getCodeBlockLanguage = (preNode, codeNode) => {
            const classLanguage = codeNode.className.match(/language-([a-zA-Z0-9_+-]+)/)?.[1];