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var async = require('../../dist/async');
var fs = require('fs-extra');
var path = require('path');
var $ = require('cheerio');
var _ = require('lodash');
var docsDir = path.join(__dirname, '../../docs');
var pageTitle = 'Methods:';
var docFilename = 'docs.html';
var mainModuleFile = 'module-async.html';
var mainSectionId = '#main';
var mainScrollableSection = '#main-container';
var sectionTitleClass = '.page-title';
var HTMLFileBegin = '<!DOCTYPE html>\n<html lang="en">\n<head>\n';
var HTMLFileHeadBodyJoin = '</head>\n<body>';
var HTMLFileEnd = '</body>';
var additionalFooterText = ' Documentation has been modified from the original. ' +
' For more information, please see the <a href="https://github.com/caolan/async">async</a> repository.';
function generateHTMLFile(filename, $page, callback) {
var methodName = filename.match(/\/(\w+)\.js\.html$/);
if (methodName) {
var $thisMethodDocLink = $page.find('#toc').find('a[href="'+docFilename+'#'+methodName[1]+'"]');
$thisMethodDocLink.parent().addClass('active');
}
// generate an HTML file from a cheerio object
var HTMLdata = HTMLFileBegin + $page.find('head').html()
+ HTMLFileHeadBodyJoin + $page.find('body').html()
+ HTMLFileEnd;
fs.writeFile(filename, HTMLdata, callback);
}
function extractModuleFiles(files) {
return _.filter(files, function(file) {
return _.startsWith(file, 'module') && file !== mainModuleFile;
});
}
function getSearchableInfo($page, callback) {
var $sourceLinks = $page.find('a[href$=".js.html"]');
var sourceFiles = $sourceLinks.map(function() {
return $(this).attr('href');
}).toArray().sort();
var $methodLinks = $page.find('nav').find('a');
var methods = $methodLinks.map(function() {
var methodName = $(this).text();
return (methodName === 'Home' ? null : methodName);
}).toArray().sort();
fs.mkdirsSync(path.join(docsDir, 'data'));
async.parallel([
function(fileCallback) {
fs.writeJson(path.join(docsDir, 'data/sourceFiles.json'), sourceFiles, fileCallback);
},
function(fileCallback) {
fs.writeJson(path.join(docsDir, 'data/methodNames.json'), methods, fileCallback);
}
], callback);
}
function combineFakeModules(files, callback) {
var moduleFiles = extractModuleFiles(files);
fs.readFile(path.join(docsDir, mainModuleFile), 'utf8', function(err, mainModuleData) {
if (err) return callback(err);
var $mainPage = $(mainModuleData);
// each 'module' (category) has a separate page, with all of the
// important information in a 'main' div. Combine all of these divs into
// one on the actual module page (async)
async.eachSeries(moduleFiles, function(file, fileCallback) {
fs.readFile(path.join(docsDir, file), 'utf8', function(err, moduleData) {
if (err) return fileCallback(err);
var $modulePage = $(moduleData);
var moduleName = $modulePage.find(sectionTitleClass).text();
$modulePage.find(sectionTitleClass).attr('id', moduleName.toLowerCase());
$mainPage.find(mainScrollableSection).append($modulePage.find(mainScrollableSection).html());
return fileCallback();
});
}, function(err) {
if (err) return callback(err);
getSearchableInfo($mainPage, function(err) {
if (err) return callback(err);
generateHTMLFile(path.join(docsDir, docFilename), $mainPage, callback);
});
});
});
}
function applyPreCheerioFixes(data) {
var rIncorrectCFText = />ControlFlow</g;
var fixedCFText = '>Control Flow<';
var rIncorrectModuleText = />module:(\w+)\.(\w+)</g;
// the heading needs additional padding at the top so it doesn't get cutoff
return data
// for JSDoc to work, the module needs to be labelled 'ControlFlow', while
// on the page it should appear as 'Control Flow'
.replace(rIncorrectCFText, fixedCFText)
// for return types, JSDoc doesn't allow replacing the link text, so it
// needs to be done here
.replace(rIncorrectModuleText, function(match, moduleName, methodName) {
return '>'+methodName+'<';
});
}
function scrollSpyFix($page, $nav) {
// move everything into one big ul (for Bootstrap scroll-spy)
var $ul = $nav.children('ul');
$ul.addClass('nav').addClass('methods');
$ul.find('.methods').each(function() {
var $methodsList = $(this);
var $methods = $methodsList.find('[data-type="method"]');
var $parentLi = $methodsList.parent();
$methodsList.remove();
$methods.remove();
$parentLi.after($methods);
$parentLi.addClass('toc-header');
});
$page.find('[data-type="method"]').each(function() {
$(this).addClass("toc-method");
});
$page.find('[id^="."]').each(function() {
var $ele = $(this);
var id = $(this).attr('id');
$ele.attr('id', id.replace('.', ''));
});
}
function fixToc(file, $page, moduleFiles) {
// remove `async` listing from toc
$page.find('a[href="'+mainModuleFile+'"]').parent().remove();
// change toc title
var $nav = $page.find('nav');
$nav.attr('id', 'toc');
$nav.children('h3').text(pageTitle);
$nav.children('h2').remove();
scrollSpyFix($page, $nav);
var prependFilename = (file === docFilename) ? '' : docFilename;
// make everything point to the same 'docs.html' page
_.each(moduleFiles, function(filename) {
$page.find('[href^="'+filename+'"]').each(function() {
var $ele = $(this);
var href = $ele.attr('href');
// category titles should sections title, while everything else
// points to the correct listing
if (href === filename) {
var moduleName = $ele.text().toLowerCase().replace(/\s/g, '').replace('.', '');
$ele.attr('href', prependFilename+'#'+moduleName);
} else {
$ele.attr('href', href.replace(filename, prependFilename).replace('#.', '#'));
}
});
});
}
function fixFooter($page) {
// add a note to the footer that the documentation has been modified
var $footer = $page.find('footer');
$footer.append(additionalFooterText);
$page.find(mainScrollableSection).append($footer);
}
function fixModuleLinks(files, callback) {
var moduleFiles = extractModuleFiles(files);
async.each(files, function(file, fileCallback) {
var filePath = path.join(docsDir, file);
fs.readFile(filePath, 'utf8', function(err, fileData) {
if (err) return fileCallback(err);
var $file = $(applyPreCheerioFixes(fileData));
fixToc(file, $file, moduleFiles);
fixFooter($file);
$file.find('[href="'+mainModuleFile+'"]').attr('href', docFilename);
generateHTMLFile(filePath, $file, fileCallback);
});
}, callback);
}
fs.copySync(path.join(__dirname, '../../dist/async.js'), path.join(docsDir, 'scripts/async.js'), { clobber: true });
fs.copySync(path.join(__dirname, './jsdoc-custom.js'), path.join(docsDir, 'scripts/jsdoc-custom.js'), { clobber: true });
fs.copySync(path.join(__dirname, '..', '..', 'logo', 'favicon.ico'), path.join(docsDir, 'favicon.ico'), { clobber: true });
fs.copySync(path.join(__dirname, '..', '..', 'logo', 'async-logo.svg'), path.join(docsDir, 'img', 'async-logo.svg'), { clobber: true });
fs.readdir(docsDir, function(err, files) {
if (err) {
throw err;
}
var HTMLFiles = _.filter(files, function(file) {
return path.extname(file) === '.html';
});
async.waterfall([
function(callback) {
combineFakeModules(HTMLFiles, function(err) {
if (err) return callback(err);
HTMLFiles.push(docFilename);
return callback(null);
});
},
function(callback) {
fixModuleLinks(HTMLFiles, callback);
}
], function(err) {
if (err) throw err;
console.log('Docs generated successfully');
});
});
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