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gulpfile.js
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gulpfile.js
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var _gulp = require('gulp'),
_handlebars = require('handlebars'),
_fs = require('fs-extra'),
_path = require('path'),
_connect = require('gulp-connect'),
_shared = { "variables": {} };
//--------------- Constants ----------------
const _contentRootPath = "./src/content";
const _outputRootPath = "./build";
//--------------- End ----------------
//--------------- Helpers ----------------
var parseJsonFromFile = function (path) {
var jsonStr = _fs.readFileSync(path, { encoding: 'utf8' });
var jsonObj = JSON.parse(jsonStr);
return jsonObj;
};
var getPageConfig = function (rootPath, pageConfig) {
var res = {};
if (pageConfig && pageConfig.root) {
var configPath = _path.join(rootPath, pageConfig.root, 'config.json');
var config = parseJsonFromFile(configPath);
res = Object.assign(pageConfig, config);
res.absoluteRoot = _path.join(rootPath, pageConfig.root);
}
else {
res = pageConfig;
}
return res;
};
var getTemplate = function (templatePath) {
var source = _fs.readFileSync(templatePath, { encoding: 'utf8' });
var template = _handlebars.compile(source);
return template;
}
var renderPage = function (pageConfig, globalConfig) {
var template = getTemplate("./src/templates/index-template.html");
var context = pageConfig;
context.menu = globalConfig.menu;
context.footerMenu = globalConfig.footerMenu;
context.socials = globalConfig.socials;
context.downloadLink = globalConfig.downloadLink;
var html = template(context);
var dir = _path.join(_path.resolve(), _outputRootPath, pageConfig.absoluteRoot.replace("src\\content\\", "").replace("src/content/", ""));
_fs.ensureDirSync(dir);
//copy assets to build assets directory
try {
_fs.copySync(_path.join(pageConfig.absoluteRoot, "assets"), _path.join(dir, "assets"));
} catch (ex) {
//ignore exception because this is optional step
}
_fs.writeFileSync(_path.join(dir, "index.html"), html, { encoding: 'utf8' });
};
//--------------- End ----------------
//--------------- Gulp tasks ----------------
_gulp.task('build', function (done) {
//init handlebars
_handlebars.registerHelper({
block: function (block) {
var template = getTemplate("./src/templates/" + block.templateName + "-template.html");
var html = template(block.content);
return html;
},
json: function (obj) {
return new _handlebars.SafeString(JSON.stringify(obj));
},
var: function (key) {
if (_shared.variables[key])
return new _handlebars.SafeString(_shared.variables[key]);
else
return new _handlebars.SafeString(key);
},
eq: function (v1, v2) {
return v1 === v2;
},
ne: function (v1, v2) {
return v1 !== v2;
},
lt: function (v1, v2) {
return v1 < v2;
},
gt: function (v1, v2) {
return v1 > v2;
},
lte: function (v1, v2) {
return v1 <= v2;
},
gte: function (v1, v2) {
return v1 >= v2;
},
and: function () {
return Array.prototype.slice.call(arguments).every(Boolean);
},
or: function () {
return Array.prototype.slice.call(arguments, 0, -1).some(Boolean);
}
});
var siteConfig = parseJsonFromFile(_path.join(_contentRootPath, "site.json"));
var globalConfig = {
menu: [],
socials: siteConfig.socials,
footerMenu: siteConfig.footerMenu,
downloadLink: siteConfig.downloadLink
};
_shared.variables = siteConfig.variables;
//load settings for home page
siteConfig.home = getPageConfig(_contentRootPath, siteConfig.home);
//load settings for all children
siteConfig.menu.forEach(function (menuItem) {
var pageConfig = getPageConfig(_contentRootPath, menuItem);
if (pageConfig.children) {
for (var i = 0; i < pageConfig.children.length; i++) {
pageConfig.children[i] = getPageConfig(_path.join(_contentRootPath, menuItem.root), pageConfig.children[i]);
}
}
if (pageConfig.visible) {
console.log(pageConfig.absoluteRoot)
globalConfig.menu.push(pageConfig);
}
});
//clear output dir
//_fs.removeSync(_path.join(_path.resolve(), _outputRootPath));
//copy global assets to build directory
_fs.copySync("./src/assets", _path.join(_path.resolve(), _outputRootPath, "assets"));
//render home page
renderPage(siteConfig.home, globalConfig);
//render all other pages from the menue
siteConfig.menu.forEach(function (menuItem) {
if (menuItem.menuUrl)
return;
renderPage(menuItem, globalConfig);
if (menuItem.children) {
for (var i = 0; i < menuItem.children.length; i++) {
if (!menuItem.children[i].menuUrl)
renderPage(menuItem.children[i], globalConfig);
}
}
});
done();
});
_gulp.task('server', function () {
_connect.server({
root: _outputRootPath,
port: 8080,
keepalive: true,
livereload: true
});
});
_gulp.task('reload', function () {
_connect.reload();
});
_gulp.task('watch-and-reload', function (done) {
_gulp.watch(['src/content/**/*.json', 'src/templates/**/*.html', 'src/assets/**/*.js', 'src/assets/**/*.css'], function () {
}).on('change', function (file) {
_gulp.series('build', 'reload')();
});
done();
});
_gulp.task('run', _gulp.series('build', 'watch-and-reload', 'server'));
//--------------- End ----------------