52 lines
1.3 KiB
JavaScript
52 lines
1.3 KiB
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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hexo.extend.helper.register('getPath', getPath);
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hexo.extend.helper.register('stripHTTPS', stripHTTPS);
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hexo.extend.helper.register('groupBy', groupBy);
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function isRoot() {
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const lang = this.page.lang;
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return this.page.path === 'index.html' || this.page.path === `${lang}/index.html`;
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}
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function getLangs() {
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return this.config.language.filter(lang => lang !== 'default');
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}
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function switchLang(lang) {
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if (typeof lang === 'undefined') return '';
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if (this.is_root()) return this.url_for(lang);
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if (this.page.lang === lang) return '';
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const langReg = new RegExp(`^${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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function getPath() {
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const url = this.page.path;
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const filename = url.substr(3);
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const splitPath = filename.split('/');
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return splitPath[0];
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}
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function stripHTTPS(x) {
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return x.split('://')[1];
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}
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function groupBy(arr, fn) {
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let result = {};
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for (const element of arr) {
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const key = fn(element);
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if (!(key in result)) {
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result[key] = new Array();
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}
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result[key].push(element);
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}
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return result;
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}
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