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25 lines
677 B
JavaScript
25 lines
677 B
JavaScript
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/* global hexo */
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hexo.extend.helper.register('is_root', isRoot);
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hexo.extend.helper.register('get_langs', getLangs);
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hexo.extend.helper.register('switch_lang', switchLang);
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function isRoot() {
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return this.page.path === 'index.html';
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}
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function getLangs() {
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return this.config.language.filter(lang => lang !== 'default');
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}
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function switchLang(lang) {
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if (typeof lang === 'undefined') return '';
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if (this.is_root()) return this.url_for(lang);
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if (this.page.lang === lang) return '';
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const langReg = new RegExp(`^${this.page.lang}/`);
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if (langReg.test(this.page.path)) {
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return this.url_for(this.page.path.replace(langReg, `${lang}/`));
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}
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return '';
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}
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