Elm-Mustache

An Elm library for Mustache templates.

Currently, this library support attempts limited support for version 1.4.3 of the Mustache Spec.

Supported

• Interpolation of string variables (e.g. {{ name }})
• Boolean sections and inverted sections (e.g. {{# show }} or {{^ hide }})
• HTML encoding (e.g. {{ characters }} renders Abbot & Costello)
• HTML escaping (e.g. {{{ characters }}} or {{& characters }})
• Comments (e.g. {{! comment }})

Not Supported

• Partials
• Lambdas
• Blocks
• Set Delimiter (e.g. {{=<% %>=}})
• Implicit Iterator (e.g. {{.}})
• Whitespace handling for standalone lines
• Arbitrary data types

Usage

import Mustache


template : String
template =
  "Hi, my name is {{ name }}.{{# show }} Show me!{{/ show }}"

evaluatedTemplate : Maybe String
evaluatedTemplate =
  Mustache.render
    [ Mustache.Variable "name" "D'Angelo"
    , Mustache.Section "show" True
    ]
    template
    
evaluatedTemplate --> Just "Hi, my name is D'Angelo. Show me!"