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[ALPHA] VanDyke Toolkit

Intro

VanDyke Toolkit is development library for the VanDyke template engine and still under development with a first ALPHA release.

Test cases and more detailed documentation are on the way ...

Template markup

Component

Element

<element/> Native self closing HTML element or React component without attributes

<element attribute attributeN/> Native self closing HTML element or React component with one or more attributes

<element> content </element> Native HTML element or React component with element body and without attributes

  • content can be multiple items of Content

<element attribute attributeN> content </element> Native self closing HTML element or React component with element body and with one or more attributes

  • content can be multiple items of Content

Attributes

attribute Simple attribute without given value, value will be interpreted as true

attribute="simple string" Simple string attribute as known in HTML

attribute=value Pass an advanced value to this attribute

  • value can be an Expression, Chain or Helper

Content

Content can be a mix of expressions, elements, helpers and text. The template whole needs to return a single root element.

Expression

{expression} Simple expression to provide advanced content

  • expression can be Boolean, Number, Variable or String

String

"foo" Native JavaScript string with double quotes

Number

1.234 Native Javascript number positive

-1.1234 Native Javascript number negative

Boolean

true Native Javascript boolean true

false Native Javascript boolean false

Variable

name In scope variable access

@name Contextual variable access (e.g. @index in each helper)

../name Parent scope variable access

../../sub.object.name Path variable access

Helper

{#helper/} Simple helper without any arguments and body

{#helper argument/} Simple helper with argument

  • argument can be an Boolean, Number, Variable or String

In element body:

{#helper} content {/helper} Block helper containing content

  • content can be multiple items of Content

{#helper argument} content {/helper} Block helper with argument and containing content

  • argument can be an Boolean, Number, Variable or String
  • content can be multiple items of Content

{#helper argument} content {:else} content {/helper} Block helper with argument, containing content and alternate content

  • argument can be an Boolean, Number, Variable or String
  • content can be multiple items of Content

In attribute value:

{#helper} content {/helper} Block helper containing content

  • content can be Boolean, Chain, Helper, Number, Variable or String

{#helper argument} content {/helper} Block helper with argument and containing content

  • argument can be an Boolean, Number, Variable or String
  • content can be Boolean, Chain, Helper, Number, Variable or String

{#helper argument} content {:else} content {/helper} Block helper with argument, containing content and alternate content

  • argument can be an Boolean, Number, Variable or String
  • content can be Boolean, Chain, Helper, Number, Variable or String

Chain

Concat multiple items of Boolean, Helper, Number, Variable and String to a single String.

Example: {foo + ' bar ' + bar}