magix-combine/plugins/js-wrapper.js

合并Magix View的html,js,css成一个js文件，并检测html,js,css中可能存在的问题

/*
    增加loader
    https://www.ecma-international.org/ecma-262/#sec-html-like-comments
 */
let regexp = require('./util-rcache');
let utils = require('./util');
let anchorKey = utils.uId('\x1e', '');
let package = require('../package.json');
let exportsReg = /\bmodule\.exports\b\s*=\s*/g;
let header = '/*\r\n    generate by magix-combine@' + package.version + ': https://github.com/thx/magix-combine\r\n    author: kooboy_li@163.com\r\n    loader: ${loader}\r\n */\r\n';
let reqsAnchorKey = '/* ' + anchorKey + '_requires */';
let varsAnchorKey = '/* ' + anchorKey + '_vars */';
let tmpls = {
    cmd: 'define("${moduleId}",[${requires}' + reqsAnchorKey + '],function(require,exports,module){\r\n/*${vars}*/\r\n' + varsAnchorKey + '\r\n${content}\r\n});',
    cmd_es: 'define("${moduleId}",[${requires}' + reqsAnchorKey + '],(require,exports,module)=>{\r\n/*${vars}*/\r\n' + varsAnchorKey + '\r\n${content}\r\n});',
    amd: 'define("${moduleId}",["require","exports","module",${requires}' + reqsAnchorKey + '],function(require,exports,module){\r\n' + varsAnchorKey + '\r\n${content}\r\n});',
    amd_es: 'define("${moduleId}",["require","exports","module",${requires}' + reqsAnchorKey + '],(require,exports,module)=>{\r\n' + varsAnchorKey + '\r\n${content}\r\n});',
    kissy: 'KISSY.add("${moduleId}",function(S,${vars}){\r\n${content}\r\n},\r\n{requires:[${requires}' + reqsAnchorKey + ']});',
    kissy_es: 'KISSY.add("${moduleId}",(S,${vars})=>{\r\n${content}\r\n},\r\n{requires:[${requires}' + reqsAnchorKey + ']});',
    webpack: varsAnchorKey + '\r\n${content}',
    none: '${content}',
    module: varsAnchorKey + '\r\n${content}',
    iife: '(function(){\r\n${content}\r\n})();',
    iife_es: '(()=>{\r\n${content}\r\n})();',
    umd: '(function(factory){\r\nif(typeof module==="object"&&typeof module.exports==="object"){\r\n    factory(require,exports,module);\r\n}else if(typeof define==="function"){\r\n    if(define.amd){\r\n        define("${moduleId}",["require","exports","module",${requires}' + reqsAnchorKey + '],factory);\r\n    }else if(define.cmd){\r\n        define("${moduleId}",[${requires}' + reqsAnchorKey + '],factory);\r\n    }\r\n}\r\n})(function(require,exports,module){\r\n' + varsAnchorKey + '\r\n${content}\r\n});',
    umd_es: '(factory=>{\r\nif(typeof module==="object"&&typeof module.exports==="object"){\r\n    factory(require,exports,module);\r\n}else if(typeof define==="function"){\r\n    if(define.amd){\r\n        define("${moduleId}",["require","exports","module",${requires}' + reqsAnchorKey + '],factory);\r\n    }else if(define.cmd){\r\n        define("${moduleId}",[${requires}' + reqsAnchorKey + '],factory);\r\n    }\r\n}\r\n})((require,exports,module)=>{\r\n' + varsAnchorKey + '\r\n${content}\r\n});',
    acmd: '(function(factory){\r\nif(define.amd){\r\n    define("${moduleId}",["require","exports","module",${requires}' + reqsAnchorKey + '],factory);\r\n}else if(define.cmd){\r\n    define("${moduleId}",[${requires}' + reqsAnchorKey + '],factory);\r\n}\r\n})(function(require,exports,module){\r\n' + varsAnchorKey + '\r\n${content}\r\n});',
    acmd_es: '(factory=>{\r\nif(define.amd){\r\n    define("${moduleId}",["require","exports","module",${requires}' + reqsAnchorKey + '],factory);\r\n}else if(define.cmd){\r\n    define("${moduleId}",[${requires}' + reqsAnchorKey + '],factory);\r\n}\r\n})((require,exports,module)=>{\r\n' + varsAnchorKey + '\r\n${content}\r\n});'
};
module.exports = e => {
    e.requiresAnchorKey = new RegExp(regexp.escape(reqsAnchorKey), 'g');
    e.varsAnchorKey = new RegExp(regexp.escape(varsAnchorKey), 'g');
    e.addedWrapper = true;
    let loader = e.loader;
    let tmpl = header + (tmpls[loader] || tmpls.iife);
    for (let p in e) {
        let reg = regexp.get('(,?)\\$\\{' + p + '\\}', 'g');
        let v = e[p];
        tmpl = tmpl.replace(reg, (m, c) => {
            if (c) {
                if (v && v.length) {
                    return c + v;
                }
                return '';
            }
            return v;
        });
    }
    if (loader == 'kissy' || loader == 'kissy_es') {
        tmpl = tmpl.replace(exportsReg, 'return ');
    }
    return tmpl;
};