nxkit/ctr.js

This is a collection of tools, independent of any other libraries

"use strict";
/* ***** BEGIN LICENSE BLOCK *****
 * Distributed under the BSD license:
 *
 * Copyright (c) 2015, xuewen.chu
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of xuewen.chu nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL xuewen.chu BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * ***** END LICENSE BLOCK ***** */
Object.defineProperty(exports, "__esModule", { value: true });
const util_1 = require("./util");
const path = require("path");
const fs = require("./fs");
const http_service_1 = require("./http_service");
const vm = require("vm");
const template_1 = require("./template");
// import * as Module from 'module';
const Module = require('module');
var FILE_CACHE_TIMEOUT = util_1.default.debug ? 0 : 1000 * 60 * 10; // 10分钟
var FILE_CACHES = {};
var _require = require;
function makeRequireFunction(mod) {
    function require(path) {
        return mod.require(path);
    }
    function resolve(request, options) {
        if (typeof request !== 'string') {
            var actual = request;
            var str = `The "request" argument must be of type string`;
            str += `. Received type ${actual !== null ? typeof actual : 'null'}`;
            throw new Error(str);
        }
        return Module._resolveFilename(request, mod, false, options);
    }
    require.resolve = resolve;
    return require;
}
function requireEjs(filename, options, __mainfilename) {
    var ext = path.extname(filename);
    if (ext != '.ejs' && ext != '.ejsx') {
        return _require(filename);
    }
    var ejs = FILE_CACHES[filename];
    if (ejs) {
        if (ejs.timeout < Date.now()) {
            FILE_CACHES[filename] = ejs = null;
        }
    }
    if (!ejs) {
        ejs = {
            source: fs.readFileSync(filename, 'utf8'),
            timeout: Date.now() + FILE_CACHE_TIMEOUT,
        };
        if (FILE_CACHE_TIMEOUT) {
            FILE_CACHES[filename] = ejs;
        }
    }
    var dirname = path.dirname(filename);
    var mod = {
        exports: {},
        require: (path) => requireEjs(require.resolve(path), options, __mainfilename),
        id: filename,
        filename: filename,
        dirname: dirname,
        children: [],
        paths: Module._nodeModulePaths(dirname),
        parent: null,
    };
    var result = `const __mainFilename = '${__mainfilename}';
								module.exports = ${template_1.default(ejs.source, options)}`;
    var wrapper = Module.wrap(result);
    var compiledWrapper = vm.runInThisContext(wrapper, {
        filename: filename,
        lineOffset: 0,
        displayErrors: true
    });
    compiledWrapper.call(mod.exports, mod.exports, makeRequireFunction(mod), mod, filename, dirname);
    return mod.exports;
}
/**
 * @class ViewController
 */
class ViewController extends http_service_1.HttpService {
    view(name, data) {
        var dirname = util_1.default.config.viewDirname;
        if (!dirname) {
            var mainModule = process.mainModule;
            if (mainModule) {
                dirname = path.dirname(mainModule.filename);
            }
            else {
                dirname = '';
            }
        }
        var ext = path.extname(name);
        var filename = path.resolve(dirname, ext ? name : name + '.ejs');
        data = data || {};
        try {
            var func = requireEjs(filename, data, filename);
            // fs.writeFileSync(__dirname + '/test.js', func + '');
            var str = func(data);
            this.returnHtml(str);
        }
        catch (err) {
            this.returnErrorStatus(500, '<pre>' + err.message + '\n' + err.stack + '</pre>');
        }
    }
}
exports.ViewController = ViewController;