tpack-requirejs/index.js

TPack 插件：使用 requirejs 打包 AMD 模块。

/*
 * Copyright (C) 2016 xuld<xuld@vip.qq.com>
 *
 * Permission is hereby granted, free of charge, to any person 
 * obtaining a copy of this software and associated documentation 
 * files (the "Software"), to deal in the Software without restriction, 
 * including without limitation the rights to use, copy, modify, merge, 
 * publish, distribute, sublicense, and/or sell copies of the Software, 
 * and to permit persons to whom the Software is furnished to do so, 
 * subject to the following conditions:
 *　
 * The above copyright notice and this permission notice shall be 
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 
 *
 */

var Path = require("path");
var RequireJS = require("requirejs");
var Desync = require("deasync");

/**
 * 打包 AMD 模块。
 * @param {BuildFile} file 要生成的文件。
 * @param {Object} options 相关的选项。
 * @see https://github.com/jrburke/requirejs
 */
module.exports = function requireJS(file, options) {

    // 设置默认值。
    options = Object.assign({
        optimize: "none",
        generateSourceMaps: !!file.sourceMap,
        baseUrl: file.builder.srcPath
    }, options);

    options.baseUrl = file.builder.toPath(options.baseUrl);
    if (!options.name) {
        options.name = Path.relative(options.baseUrl, file.srcPath).replace(/\\/g, "/").replace(/\.\w+$/, "");
    }

    options.out = function (chunk, sourceMap) {
        file.content = chunk;
        if (sourceMap) {
            sourceMap = JSON.parse(sourceMap);
            sourceMap.sources = sourceMap.sources.map(function (path) {
                return Path.join(options.baseUrl, path);
            });
            file.applySourceMap(sourceMap);
        }
    };

    // 生成。
    var requirejsEnd = false;
    RequireJS.optimize(options, function () {
        requirejsEnd = true;
    }, function (e) {
        requirejsEnd = true;
        var fileNameMatch = /for file: (.+?)\n/.exec(e.message);
        var lineMatch = /Error: Line (\d+?):/.exec(e.message);
        e.name = "RequireJS" + e.name;
        if (fileNameMatch) e.fileName = fileNameMatch[1];
        if (lineMatch) e.startLine = lineMatch[1];
        file.error(e);
    });

    // 等待打包完成。
    while (!requirejsEnd) {
        Desync.sleep(100);
    }

};