parcel-plugin-mustache-html

v1.0.2

Published

2 years ago

Integrates mustache (https://mustache.github.io/) into parcel.

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parcel-plugin-mustache-html

Resolve dependencies inside mustache templates

This parcel plugin bundles mustache templates that intended primarily for server side html rendering.

parcel-plugin-mustache-html processes files with .mst extension and outputs the .mst file with {{dep:*}} links resolved. Extracts any mustache token with the format {{dep:*}}, resolve corresponding dependency and replaces it with the packaged bundle by parcel.

The main use case is to build a client side html web application that is mostly independent from server, but still allows some server side rendering. For example the client side application requires a logged-in user, which is only known by the server. To assist with this use case, parcel-plugin-mustache-html has a secondary functionality to expand .mst template into a .html page in development mode.

Installation

parcel-plugin-mustache-html is a parcel plugin which requires only to be installed in order for parcel to recognize it:

npm install --save-dev parcel-plugin-mustache-html

Usage

Consider the following random-sample.mst source mustache template with a javascript reference specified as {{dep:*}}:

<html>
  <head><title>Hello, parcel-plugin-mustache-html</title></head>
  <body>
    <p>{{message}}</p>
    <script type="text/javascript" src="{{dep:impl.js}}"></script>
  </body>
</html>

Ask parcel to bundle random-sample.mst, parcel-plugin-mustache-html is triggered by .mst file extension.

npx parcel random-sample.mst

This dist/random-sample.mst with javascript reference expanded and any other mustache token preserved:

<html>
  <head><title>Hello, parcel-plugin-mustache-html</title></head>
  <body>
    <p>{{message}}</p>
    <script type="text/javascript" src="impl.234fae32.js"></script>
  </body>
</html>

In development mode the .mst mustache template could be expanded into a .html output by providing data for the rest of mustache tokens.

In order to expand a mustache template to its html representation for development purposes, add json mustache .view containing data to use in development. The .view json file needs to be located near the corresponding .mst file and have the name composed from the original filename + .view extension.

For the example mustache template above, the json view should be named random-sample.mst.view:

{
  "message": "Html expansion demo"
}

parcel-plugin-mustache-html discovers random-sample.mst.view file and expands it to .html file, i.e. dist/random-sample.html:

<html>
  <head><title>Hello, parcel-plugin-mustache-html</title></head>
  <body>
    <p>Html expansion demo</p>
    <script type="text/javascript" src="impl.234fae32.js"></script>
  </body>
</html>

Limitations

parcel-plugin-mustache-html comes with the following known limitations:

Handles only .mst extension and doesn't provide a mechanism to ignore matching files, i.e. allow other plugins to handle .mst files.
It doesn't allow customization of tags to identify mustache tokens, uses only the defaults (["{{", "}}"]).
Expands mustache template only to .html and only in development.

Please file a feature request or contribute code on github if these limitations are blocking you. parcel-plugin-mustache-html@github

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parcel-plugin-mustache-html

Resolve dependencies inside mustache templates

Installation

Usage

Limitations