meblog/lib/core/ConfigHolder.js

A simple blog engine for personal blogging

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const tslib_1 = require("tslib");
const path_1 = tslib_1.__importDefault(require("path"));
const moment_1 = tslib_1.__importDefault(require("moment"));
require("moment-timezone");
const model_1 = require("./model");
const i18n_1 = tslib_1.__importDefault(require("i18n"));
class ConfigHolder {
    _config;
    constructor(config) {
        if (!config) {
            throw new Error('Missing config');
        }
        this._config = config;
    }
    get config() {
        return this._config;
    }
    rootUrl(urlPath, locale) {
        if (urlPath.startsWith('http')) {
            return urlPath;
        }
        const { baseUrl = '' } = this.config;
        let url = this.url(urlPath, locale);
        if (baseUrl) {
            url = baseUrl + url;
        }
        return url;
    }
    url(urlPath, locale) {
        if (urlPath.startsWith('http')) {
            return urlPath;
        }
        let localePath = locale;
        if (this.isDefaultLocale(locale)) {
            localePath = '';
        }
        const { baseContext = '' } = this.config;
        return path_1.default.join('/', baseContext, localePath, urlPath);
    }
    postPartialPath(post) {
        const { postUrlStyle } = this.config;
        const defaultPostsDir = 'posts';
        switch (postUrlStyle) {
            case model_1.PostUrlStyle.POSTS_YEAR_MONTH_SLUG:
                return `/${defaultPostsDir}/${post.publishedMonth}/${post.slug}.html`;
            case model_1.PostUrlStyle.POSTS_YEAR_SLUG:
                return `/${defaultPostsDir}/${post.publishedYear}/${post.slug}.html`;
            case model_1.PostUrlStyle.YEAR_MONTH_SLUG:
                return `/${post.publishedMonth}/${post.slug}.html`;
            case model_1.PostUrlStyle.YEAR_SLUG:
                return `/${post.publishedYear}/${post.slug}.html`;
            case model_1.PostUrlStyle.SLUG:
                return `/${post.slug}.html`;
            case model_1.PostUrlStyle.POSTS_SLUG:
            default:
                return `/${defaultPostsDir}/${post.slug}.html`;
        }
    }
    postUrl(post) {
        return this.url(this.postPartialPath(post), post.language);
    }
    postRootUrl(post) {
        return this.rootUrl(this.postPartialPath(post), post.language);
    }
    tagUrl(tag, locale) {
        return this.url(`/tags/${tag}.html`, locale);
    }
    tagRootUrl(tag, locale) {
        return this.rootUrl(`/tags/${tag}.html`, locale);
    }
    formatDateTime(date, locale) {
        return moment_1.default(date)
            .locale(locale || this.config.defaultLocale)
            .format(this.getDateTimeFormat(locale));
    }
    formatDate(date, locale) {
        return moment_1.default(date)
            .locale(locale || this.config.defaultLocale)
            .format(this.getDateFormat(locale));
    }
    getI18nFallbackToConfig(name, locale) {
        locale = locale || this.config.defaultLocale;
        if (!this.config.locales.includes(locale)) {
            return this.config[name];
        }
        const currentLocale = i18n_1.default['locale'];
        try {
            if (currentLocale !== locale) {
                i18n_1.default.setLocale(locale);
            }
            const format = i18n_1.default.__(name);
            return format === name
                ? this.config[name]
                : format;
        }
        finally {
            if (currentLocale !== locale) {
                i18n_1.default.setLocale(currentLocale);
            }
        }
    }
    getDateTimeFormat(locale) {
        return this.getI18nFallbackToConfig('dateTimeFormat', locale);
    }
    getDateFormat(locale) {
        return this.getI18nFallbackToConfig('dateFormat', locale);
    }
    formatRFC822DateTime(date) {
        return moment_1.default(date).tz('UTC').format('ddd, DD MMM YYYY HH:mm:ss ZZ');
    }
    isDefaultLocale(locale) {
        return !locale || locale === this.config.defaultLocale;
    }
}
exports.default = ConfigHolder;