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pug - Value Interpolation in JavaScript Code pug Tutoria

  1. mkdir views/mixins touch views/mixins/_tableRow.pug Mixins are declared using the mixin keyword. They are compiled to functions and can take arguments. Add the following to views/mixins/_tableRow.pug:
  2. - const employees = [] ul each employee in employees li= employee else li The company doesn't have any employees. Maybe hire some? Finally, note that you can use for as an alias for each.
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  4. This approach allows you to reuse static web page elements, while defining dynamic elements based on your data. It also facilitates a separation of concerns, keeping your application logic isolated from your display logic.

mixin tableRow(employee) tr td img.ui.mini.rounded.image(src=employee.picture.thumbnail) td #{employee.name.first} td #{employee.name.last} td #{employee.email} td #{employee.phone} td #{employee.location.city} Now alter index.pug like so: Pug is an HTML preprocessor with lots of great features to speed up writing HTML. James Hibbard walks through basic syntax, some practical examples, and advanced features by building a simple..

watching index.pug rendered /home/jim/Desktop/pug-examples/html/index.html Note: in the above command, the -w option stands for watch, the dot tells Pug to watch everything in the current directory, -o ./html tells Pug to output its HTML in the html directory and the -P option prettifies the output.SitePoint Premium gives you an entire collection of books covering developer essentials like Pug, Gulp, Git and more. Join now.const express = require('express'); const app = express(); app.set('view engine', 'pug'); app.get('/', (req, res) => { res.render('index'); }); app.listen(3000, () => { console.log('Listening on port 3000...'); }); Finally, restart the Node server, then refresh your browser and you should see this:Unbuffered code starts with a minus (-). It doesn’t directly add anything to the output, but its values may be used from within Pug:You’re more likely to benefit from a template engine if your site or web application is data driven — such as a staff directory for administering employees, a web store that lists various products for users to buy, or a site with dynamic search functionality.

javascript - How to get object's value in Pug? - Stack Overflo

The Pug Guide Interpolate a function return value

doctype html html(lang='en') head title Hello, World! body h1 Hello, World! div.remark p Pug rocks! Save pug.index and then inspect the contents of ./html/index.html. You should see the following:This is pretty nice already, but to round things off, I’m going to demonstrate how to structure our views to offer maximum flexibility as the project grows.

A Beginner's Guide to Pug — SitePoin

  1. My Pug code: script. window.user = #{user}. But the result is like this How to get the object's value correctly
  2. const express = require('express'); const axios = require('axios'); const app = express(); app.set('view engine', 'pug'); app.get('/', async (req, res) => { const query = await axios.get('http://localhost:3001/results'); res.render('index', { employees: query.data }); }); app.listen(3000, () => { console.log('Listening on port 3000...'); }); There’s a couple of things going on here. We’ve turned our route handler into an async function, so that we can wait for the employee data to be returned from json-server before handing it off to the template.
  3. <!DOCTYPE html> <html lang="en"> <head> <title>Hello, World!</title> </head> <body> <h1>Hello, World!</h1> <div class="remark"> <p>Pug rocks!!</p> </div> </body> </html> Not bad, eh? The Pug CLI has taken our Pug file and rendered it as regular HTML.
  4. await ctx.render('index')ctx.type = 'text/plain' Global Helpers By setting helperPath, koa-pug will load all the modules that under sepecified folxder, and make them available on all templates.
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There’s still a lot of Jade-related material available online. And while some of it’s probably still quite valid, the fact that the name change coincided with a major version bump means that Pug’s syntax has several differences, deprecations, and removals compared to its predecessor. These are documented here.As you can see, Pug is quite special. It takes the tag name as the first thing in a line, and the rest is the content that goes inside it.Note: when you want to assign the value held in a variable to an element’s attribute, you can omit the #{}. For example: img(style='max-width:90%' alt=name).doctype html html head title Staff Directory link(rel='stylesheet' href='https://cdn.jsdelivr.net/npm/semantic-ui@2.3.3/dist/semantic.min.css') style. table.ui.celled img { display: inline-block; } footer { margin: 35px 0 15px 0; text-align: center } body main#main h1.ui.center.aligned.header Staff Directory .ui.container block content block footer footer p © #{new Date().getFullYear()} My Company What we’ve done here is create a layout file than can be extended by other Pug files within our project. When you have a large number of Pug files, this saves a considerable amount of code.The next task on the list is to hand some data to the Pug template to display. To do that, we’ll need a method of fetching the data from the json-server. Unfortunately, the fetch API isn’t implemented in Node, so let’s use axios, the popular HTTP client instead:

pug.js tutorial Pug Variables Nodejser

Now that we have a reasonable idea of Pug’s syntax and how it works, let’s finish off by building a small Express.js app to demonstrate a couple of Pug’s more advanced features.npm i -g pug-cli You can check that the install process ran correctly by typing pug --version into a terminal. This will output the version of Pug and the version of the CLI that you have installed. nodejsera, pugjs tutorial series , pug tutorial , In this part of the pug tutorial series we will learn about how we can use html headings in pug , HTML heading tags h1 ,h2, h3, h4, h5, h6..

koa-pug - np

  1. Interpolating values is helpful if you need to pass a server-side variable to client-side JavaScript (or marks in order for JavaScript to interpret it as a string; Pug will output the content of the variable as-is..
  2. im veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. </p> Comments Finally, comments can be added like so:
  3. If that were in the states I'd say it would sell in an instant for $200. Especially if I knew about it. Miamijim would be better at assigning a value than me, but Reynolds 531, alloy bars, Campy, Stronglight all speak for themselves
  4. This is where Pug comes in. Pug is a template engine for Node and for the browser. It compiles to HTML and has a simplified syntax, which can make you more productive and your code more readable. Pug makes it easy both to write reusable HTML, as well as to render data pulled from a database or API.
  5. i.rounded.image(src=employee.picture.thumbnail) td #{employee.name.first} td #{employee.name.last} td #{employee.email} td #{employee.phone} td #{employee.location.city} tfoot tr th(colspan='6') The result is the same as we had before, but the code now has a better structure.
  6. const path = require('path') const express = require('express') const app = express() app.set('view engine', 'pug') app.set('views', path.join(__dirname, 'views')) Your first Pug template Create an about view:
  7. ✉️ Questions? Email me (no guest posts, no "add this link", no product placement or review requests pls)

ExpressJS - Templating - Tutorialspoint CONTENT

<p>Two to the power of ten is: 1024</p> For reasons of security, buffered code is HTML escaped. The pug is a breed of dog with physically distinctive features of a wrinkly, short-muzzled face, and curled tail. The breed has a fine, glossy coat that comes in a variety of colours..

Pug - Wikipedi

  1. - const employee = { 'First Name': 'James', 'Last Name': 'Hibbard' } ul each value, key in employee li= `${key}: ${value}` This results in:
  2. Now let’s create the page from the screenshot above (the one complaining about the lack of syntax highlighting). Enter the following into index.pug:
  3. <nav> <div> <h1>My Website!</h1> </div> <ul> <li><a>Home</a></li> <li><a>Page 1</a></li> <li><a>Page 2</a></li> </ul> <input/> </nav> Notice that Pug is smart enough to close any self-closing tags (such as the <input /> element) for us.
  4. const express = require('express'); const app = express(); app.get('/', (req, res) => { res.send('Hello, World!'); }); app.listen(3000, () => { console.log('Listening on port 3000...'); }); Here we’re declaring a route (/), which will respond to a GET request with the text “Hello, World!” We can test this in our browsers, by starting the server with node app.js and then visiting http://localhost:3000.

Create your first Login page with ExprerssJS + pug - Nima hkh - Mediu

Comments must appear on their own line. Here, the comment will be treated as plain text: app.get('/about', (req, res) => { res.render('about') }) and the template in views/about.pug:

Pug

- var name = 'Flavio' - var age = 35 - var roger = { name: 'Roger' } - var dogs = ['Roger', 'Syd'] Incrementing variables You can increment a numeric variable using ++:The way this works is that we’ve defined two blocks of content (block content and block footer) that a child template may replace. In the case of the footer block, we’ve also defined some fallback content that will be rendered if the child template doesn’t redefine this block.helperPath also could be an array including folders, files path, even moduleName: 'path/to/lib.js mapping object. Also support node module as a helper, just like: '_': require('lodash')p= formatDate(new Date()) How koa-pug resolves Pug template files Let's say the project views structure like:

If you’d like to follow along with the simpler examples in this tutorial, you can also run them in various online code playgrounds.doctype html html(lang='en') head title Hello, World! body h1 Hello, World! Then alter app.js like so:<div class="remark"></div> <p>Pug rocks!!</p> It doesn’t really matter what level of indentation you use (you can even use tabs if you have to), but it’s highly recommended that you keep the level of indentation consistent. In this article I’ll be using two spaces.Note: you have to restart the Node server every time you make a change to app.js. If this starts to get annoying, check out nodemon, which will do this for you.

Pug (Jade) Tutorial #6 - For/Each Loop - Iterate over Arrays and Object

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doctype html html(lang='en') head title Staff Directory link(rel='stylesheet' href='https://cdn.jsdelivr.net/npm/semantic-ui@2.3.3/dist/semantic.min.css') style. table.ui.celled img { display: inline-block; } footer { margin: 35px 0 15px 0; text-align: center } body main#main h1.ui.center.aligned.header Staff Directory .ui.container table.ui.celled.table.center.aligned thead tr th Avatar th First Name th Last Name th Email th Phone th City tbody each employee in employees tr td img.ui.mini.rounded.image(src=employee.picture.thumbnail) td #{employee.name.first} td #{employee.name.last} td #{employee.email} td #{employee.phone} td #{employee.location.city} tfoot tr th(colspan='6') footer p © #{new Date().getFullYear()} My Company There’s hopefully nothing surprising going on here. We’re using semantic-ui-css for some styling, as well as a couple of styles of our own.- const employees = ['Angela', 'Jim', 'Nilson', 'Simone'] ul each employee in employees li= employee This results in the following:

Express uses Jade as the default. As mentioned above, Jade is the old version of Pug - specifically Pug 1.0.<p> You are logged in as user@example.com </p> When dealing with large blocks of text, you can just ad a dot . right after the tag name, or after the closing parenthesis, if the tag has attributes:app.get('/about', (req, res) => { res.render('about', { name: 'Flavio' }) }) p Hello from #{name} Interpolate a function return value You can interpolate a function return value using://- My wonderful navbar nav#navbar-default When you do this, the comment will remain in the Pug file but won’t appear in the HTML.p. Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. This results in:

A template engine is a program which is responsible for compiling a template (that can be written using any one of a number of languages) into HTML. The template engine will normally receive data from an external source, which it will inject into the template it’s compiling. This is illustrated by the following diagram. 🔥 Find out how I make a living through blogging in my video course The Epic Guide to Blogging. Or get the ebook-only version. In this part of the pugjs tutorial series we will learn about differnt types of variables available in pug.

EJS vs Pug What are the differences

  1. Pug - Robust, elegant, feature rich template engine for nodejs. This project was formerly known as Jade. Pug is a high performance template engine heavily influenced by Haml and implemented with..
  2. As mentioned, Pug doesn’t have any closing tags and relies on indentation for nesting. This might take a small amount of getting used to, but once you do, it makes for clean and readable code. By way of an example:
  3. if name h2 Hello from #{name} else if anotherName h2 Hello from #{anotherName} else h2 Hello Another example:

Before we can get to writing some Pug, we’ll need to install Node, npm (which comes bundled with Node) and the pug-cli package. - const name = "jim" - //- Upcase first letter p Hi #{name.charAt(0).toUpperCase() + name.slice(1)} This compiles to:touch db.json Finally, we need some JSON to populate it. We’ll use the Random User Generator, which is a free, open-source API for generating random user data. Twenty-five people should do for our example, so head over to https://randomuser.me/api/?results=25 and copy the results into db.json.npm install pug Setup Pug to be the template engine in Express and when initializing the Express app, we need to set it:extends home.pug block body h1 Another page p Hey! ul li Something li Something else You can redefine one or more blocks. The ones not redefined will be kept with the original template content.

<ul> <li>First Name: James</li> <li>Last Name: Hibbard</li> </ul> Pug also lets you provide an else block that will be executed if the array or object is empty:mkdir pug-express cd pug-express npm init -y npm i express Next create an app.js file in the pug-express folder:CodePen, for example, has Pug support baked right in. Simply create a new pen, then select Settings > HTML and choose Pug as your preprocessor. This will allow you to enter Pug code into the HTML pane and see the result appear in real time. Copyright 2018 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.

mkdir -p pug-examples/html cd pug-examples touch index.pug Note: the touch command is Linux/macOS specific. Windows users would do echo.> index.pug to achieve the same thing.Create a folder called mixins in the views folder and in that folder create a file named _tableRow.pug:for dog in dogs li= dogul each dog in dogs li= dog You can use .length to get the number of items:Below you can find a demo of some of the techniques we’ve discussed in this section. This showcases Pug’s benefits somewhat more than the previous demo, as all we need to do to add further employees is to add further objects to our sitePointEmployees array.

Perky Pug - Spell - World of Warcraf

<!-- My wonderful navbar--> <nav id="navbar-default"></nav> You start a comment like so:

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The way this is going to work is that we’ll write our Pug code in index.pug and have the pug-cli watch this file for changes. When it detects any, it will take the contents of index.pug and render it as HTML in the html directory.There’s a couple options for installing Node/npm. Either head on over to the project’s home page and download the correct binaries for your system, or use a version manager such as nvm. I would recommend using a version manager where possible, as this will allow you to install different Node versions and switch between them at will. It will also negate a bunch of potential permissions errors.You can check out our tutorial “Installing Multiple Versions of Node.js Using nvm” for a more in-depth guide.

Pug.js tutorial : Pug - variables

include otherfile.pug Defining blocks A well-organized template system will define a base template, and then all the other templates will extend from it.age++ Assigning variables to element values p= namespan.age= age Iterating over variables You can use for or each, they are interchangeable and there is no difference:

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This example serves to highlight a couple of important points about Pug. Firstly, it is whitespace sensitive, which means that Pug uses indentation to work out which tags are nested inside each other. For example: ul li a(href='/') Home li a(href='/page-1') Page 1 li a(href='/page-2') Page 2 input.search( type='text' name='search' placeholder='Enter a search term...' ) This results in the following:For example doctype html will compile to <!DOCTYPE html>, the standard HTML5 doctype, whereas doctype strict will give us <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">. Pug will do its best to ensure that its output is valid for the document type.h1.navbar-header My Website! We can write anything we want here … Another way is to prefix a line with a pipe character (|):Now that we’ve got a handle on some basic Pug, let’s quickly go over its syntax. If any of this seems confusing, or you’d like to go more in-depth, be sure to consult the project’s excellent documentation.

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Express is capable of handling server-side template engines. Template engines allow us to add data to a view and generate HTML dynamically.app.set('view engine', 'pug'); Next, create a views directory, then in the views directory, add an index.pug file:

json-server --watch db.json -p=3001 This will cause json-server to start up on port 3001 and watch our database file for changes. By using the each/for loop in Pug, you are able to easily iterate over an iterable object such as an array or object and then render HTML accordingly.. <div class="remark"> <p>Pug rocks!!</p> </div> Now take this code: <ul> <li>Angela</li> <li>Jim</li> <li>Nilson</li> <li>Simone</li> </ul> You can also use it to iterate over the keys in an object:Then we render the index as before, but this time we pass it an object literal containing all of our data.

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<p>Hi Jim</p> It’s also possible to render unescaped values into your templates using !{}. But this is not the best idea if the input comes from an untrusted source.Then, in the table body we’re iterating over the array of employees that we are passing in from app.js and outputting their details to a table.If you are used to template engines that use HTML and interpolate variables; like Handlebars (described next), you might run into issues, especially when you need to convert existing HTML to Pug. This online converter from HTML to Jade (which is very similar, but a little different to Pug) will be a great help: https://jsonformatter.org/html-to-jade

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It’s also worth noting that Pug used to be called Jade until it was forced to change its name due to a trademark claim in 2015. The name change took effect with version 2.0.$ pug --version pug version: 2.0.3 pug-cli version: 1.0.0-alpha6 Syntax Highlighting in Your Editor If your editor doesn’t offer syntax highlighting for Pug, it’d be a good idea to look for an extension to add this functionality. ExpressJS - Templating - Pug is a templating engine for Express. Templating engines are used to remove the cluttering of our server code with HTML, concatenating strings wildly to exist Due to a trademark issue, the name was changed from Jade to Pug when the project released version 2 in 2016. You can still use Jade (aka Pug 1.0), but going forward it’s best to use Pug 2.0.

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