Questions tagged [template-engine]

A template engine is software that is designed to process templates and content information to produce output documents.

A template engine is software that is designed to process templates and content information to produce output documents, for example:

Paul Sweatte, in an answer to a now-deleted question, provided the following resources on the evolution of separating content from presentation and insights on the historical evolution of template engines:

The W3 Word Processor Filters page is essential reading that should cover most of the basics. For more details, here some resources on the evolution of separating content from presentation:

Markup and typesetting languages are the earliest examples of templating.
Here is the Wikipedia definition:

A markup language is a modern system for annotating a document in a way that is syntactically distinguishable from the text. The idea and terminology evolved from the "marking up" of manuscripts, i.e., the revision instructions by editors, traditionally written with a blue pencil on authors' manuscripts. Examples are typesetting instructions such as those found in troff and LaTeX, or structural markers such as XML tags.

Here is a diagram:

                RUNOFF                      "Generic Coding"                 "Editorial Structure Tags"
           (Jerome Saltzer, 1964)         (William Tunnicliffe, 1967)          (Stanley Rice, pre-1970)
                    |                               |                                     |
                    |                               |                                     |
TeX          roff - nroff - troff                   |-------------------------------------|  (Don Knuth, 1977)   (Josef Osanna, 1973)                   |
                                                   GML
                                            (Charles Goldfarb, 1969)
                                                    |                       SCRIBE
                                                    |                   (Brian Reid, 1980)
                                                    |                          |
                                                    |--------------------------|
                                                  SGML
                                              (Standard, 1980)
                                             |                |
                                             |                |
                                           HTML              XML
                                    (Berners-Lee, 1990)    (Standard, 1998)

As far as web site templating, SSI is the mother of them all.

1649 questions

votes

7 answers

Escape double braces {{ ... }} in Mustache template. (templating a template in NodeJS)

I'm trying to template a template, like below: {{{ { "name" : "{{name}}", "description" : "{{description}}" } }}} {{{debug this}}}

Where I want to triple brackets to stay, but double brackets to be replaced with the JSON…

javascript node.js template-engine mustache

asked Dec 19 '12 at 02:17

Nick Jonas

1,197
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3 answers

Handlebars, loading external template files

My goal is to put all my Handlebars templates in a single folder, as so: templates/products.hbs templates/comments.hbs I found this snippet in a few places via a cursory Google search, which apparently will load in Handlebar templates in external…

javascript handlebars.js template-engine

asked Oct 30 '14 at 01:21

CaptSaltyJack

15,283
17
70
99

votes

3 answers

Is it considered bad practice to use HTML in Jade?

Jade looks like a cool templating engine and I think I'll be using it for my next project. However, some of the syntax doesn't make sense to me. What do you get by doing this: ul li a(href="#book-a") Book A instead of:

node.js express pug template-engine

asked Apr 18 '13 at 22:55

user623990

votes

5 answers

Jinja 2 safe keyword

I have a little problem understanding what an expression like {{ something.render() | safe }} does . From what I have seen, without the safe keyword it outputs the entire html document, not just the true content. What I would like to know, is what…

python template-engine jinja2

asked Sep 09 '12 at 17:58

coredump

3,017
6
35
53

votes

5 answers

Dealing with an empty list in mustache.js

I'm using mustache.js to render a template in javascript. I'd like to check if a list is empty or not to hide the

tag in the following example. Is this possible or is mustache.js too logic-less? This is the template:

Persons:

…

javascript list template-engine mustache

asked Jan 05 '12 at 16:15

Max Schmidt

7,377
5
23
29

votes

1 answer

RythmEngine and TemplateClassManager the Biggest Objects of the heap : memory leak problems

In my company, we are using Rythm due to its facility and easy use in a project. In our project, we are sending several e-mails (1000-2000 emails by day); the e-mail template is a Rythm template with dynamic syntax (Java code). Performance seems…

java memory-management memory-leaks template-engine rythm

asked Aug 13 '15 at 15:29

Francesc Xavier

votes

5 answers

Jinja2 round filter not rounding

I have the following code in my template: data: [{% for deet in deets %} {{ deet.value*100|round(1) }}{% if not loop.last %},{% endif %} {% endfor %}] I am expecting data rounded to 1 decimal place. However, when I view the page or source, this is…

python flask jinja2 template-engine

asked Jul 30 '13 at 21:14

Mittenchops

18,633
33
128
246

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4 answers

Which templating engine can I use with both JS and PHP?

I'm looking for a simple Template engine that works both on client side with JS ánd on server side with PHP. That means I want to be able to use the same template definition for both use cases. Do you know any templating engines that have official…

javascript php html template-engine templating

asked May 14 '11 at 18:43

Florian

3,145
1
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38

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5 answers

Extending or including - what is better in Twig?

Why Twig documentation recommends to use extending rather than including? Symfony 2 documentation says because "In Symfony2, we like to think about this problem differently: a template can be decorated by another one." but nothing more. It's just…

php symfony twig template-engine

asked Aug 13 '11 at 16:25

Isinlor

1,111
1
13
22

votes

2 answers

Email Internationalization using Velocity/FreeMarker Templates

How can I achieve i18n using a templating engine such as Velocity or FreeMarker for constructing email body? Typically people tend to create templates like:

${message.hi} ${user.userName}, ${message.welcome}

${message.link}

java spring internationalization template-engine

asked Mar 07 '12 at 16:54

adarshr

61,315
23
138
167

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6 answers

What is the best code template facility for Emacs?

Particularly, what is the best snippets package out there? Features: easy to define new snippets (plain text, custom input with defaults) simple navigation between predefined positions in the snippet multiple insertion of the same custom…

emacs template-engine code-snippets

asked Sep 14 '08 at 16:27

jfs

399,953
195
994
1,670

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1 answer

What kind of a solution is thymeleaf?

I read that thymeleaf is preferred instead of JSP nowadays. Which problem does thymeleaf solve that JSP can't? How is thymeleaf compared to other templating engines?

java jsp thymeleaf template-engine

asked Aug 06 '16 at 16:11

Niklas Rosencrantz

25,640
75
229
424

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4 answers

Default value for a Handlebars` template placeholder

Can I specify a default value for a Handlebars` template placeholder?