Function transformAliasToOrigin

packages/muya/src/utils/prism/loadLanguage.ts:24–55

(langs: string[])

// Look for the origin language by alias
export function transformAliasToOrigin(langs: string[]) {
    const result = [];

    for (const lang of langs) {
        if (languages[lang]) {
            result.push(lang);
        }
        else {
            const language = Object.keys(languages).find((name) => {
                const l = languages[name];
                if (l.alias) {
                    return (
                        l.alias === lang
                        || (Array.isArray(l.alias) && l.alias.includes(lang))
                    );
                }

                return false;
            });

            if (language) {
                result.push(language);
            }
            else {
                // The lang is not exist, the will handle in `initLoadLanguage`
                result.push(lang);
            }
        }
    }

    return result;
}

// Minimal Prism surface this module needs — full Prism typings live in
// prismjs's external @types package, but we only read `languages` here.