lilacs/gulp/handle/adjust_html_for_concat_js.js

A web frontend building tool for teamwork, with automaticly compiling, merging, minifying, syncing files to server, supporting distributed servers, ensuring css or html files' inline reference with correct absolute path, and more.

"use strict";

var fsExtra = require('fs-extra');
var cheerio = require('cheerio');
var _ = require('lodash');

var selector = require('../../data/selector');

var getConcatFileNme = require('../../util/get_concat_file_name');

module.exports = (config) => {
    // current html file path
    var currentFile = config.buildPaths.extract.html + '/' + config.moduleHtml;
    // file content
    var currentFileContent = fsExtra.readFileSync(currentFile, 'utf8');
    // make $
    var $ = cheerio.load(currentFileContent, {decodeEntities: !1});
    // all js scripts cheerio objects
    var $scripts = $(selector.validJs);
    var $lastScript = $($scripts[0]);
    /**
     * path prefix of js path
     *
     * example: test/index -> ../../
     *
     * @type {string}
     */
    var prefix = _.fill(new Array(config.module.split('/').length), '../').join('') + 'js/' + config.moduleDir + '/';

    config.processingData.concatJsKeys.forEach((key) => {
        var group = config.processingData.concatJsGroup[key];
        var fileName = getConcatFileNme(config.moduleName, key);

        // target file name exist
        if (group && group.length) $lastScript.before(`\n<script src="${prefix}${fileName}.js"></script>\n`);
    });
    // remove all js tags
    $scripts.remove();
    // save content to origin file
    fsExtra.outputFileSync(currentFile, $.html());
};