astroboy/core/Loader.js

Astroboy（阿童木）is a Nodejs SFB(Separation of Front and Back ends) framework, built on koa2.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const glob = require("fast-glob");
const path = require("path");
const TYPING_FILE_EXTS = '.d.ts';
const APP_EXTENSIONS = ['js', 'ts'];
/**
 * ### Check the file is typing file or not.
 *
 * @author Big Mogician
 * @param {EntryItem} entry
 * @returns
 */
function fileIsNotTypingFile(entry) {
    return typeof entry === 'string' ? !entry.endsWith(TYPING_FILE_EXTS) : !entry.path.endsWith(TYPING_FILE_EXTS);
}
/**
 * ### Base Loader
 *
 * @author Big Mogician
 * @export
 * @abstract
 * @class Loader
 * @template F
 * @template A
 */
class Loader {
    constructor(options = {}) {
        this.dirs = options.dirs || [];
        this.config = options.config || {};
        this.app = options.app || {};
    }
    /**
     * ### Resolve Extensions
     *
     * @author Big Mogician
     * @protected
     * @param {string} path
     * @param {boolean} [resolveDevide=false]
     * @returns
     * @memberof Loader
     */
    resolveExtensions(path, resolveDevide = false) {
        let newPath = path;
        APP_EXTENSIONS.forEach(ext => (newPath = newPath.replace(`.${ext}`, '')));
        return resolveDevide ? newPath.replace(/\//g, '.') : newPath;
    }
    /**
     * ### Get Dirs
     *
     * @author Big Mogician
     * @protected
     * @param {(string | string[])} patterns
     * @param {(files: EntryItem[]) => void} callback
     * @memberof Loader
     */
    globDirs(patterns, callback) {
        this.dirs.forEach(item => {
            this.globDir(item.baseDir, patterns, callback);
        });
    }
    /**
     * ### Resolve Dir
     *
     * @author Big Mogician
     * @protected
     * @param {string} baseDir
     * @param {(string | string[])} patterns
     * @param {(files: EntryItem[]) => void} callback
     * @memberof Loader
     */
    globDir(baseDir, patterns, callback) {
        let newPatterns = [];
        if (typeof patterns === 'string') {
            newPatterns = [`${baseDir}${patterns}`];
        }
        else if (Array.isArray(patterns)) {
            newPatterns = patterns.map(pattern => {
                return `${baseDir}${pattern}`;
            });
        }
        const entries = glob.sync(newPatterns, { dot: true });
        callback(entries.filter(fileIsNotTypingFile));
    }
    /**
     * ### 获取插件的根目录
     * - 要求插件的入口文件必须放在插件根目录
     *
     * @author Big Mogician
     * @protected
     * @param {IPluginEntry} plugin
     * @returns
     * @memberof Loader
     */
    getPluginPath(plugin) {
        if (plugin.path) {
            return plugin.path;
        }
        const name = plugin.package || plugin.name;
        const entryFile = require.resolve(name);
        return path.dirname(entryFile);
    }
}
exports.Loader = Loader;
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