Layout inheritance using block and extend, inspired by (jade/pug).
npm i reshape-layouts --save
Let's say we have a base template:
base.html
<html>
<head>
<block name='title'>
<title>Default Title</title>
</block>
</head>
<body>
<div class="content">
<block name="content"></block>
</div>
<footer>
<block name="footer">footer content</block>
</footer>
</body>
</html>Now we can inherit this template. All defined blocks inside <extends> will
replace the blocks with the same name in the parent template. If the block is not defined inside <extends> its content in the parent template remains the same.
In the example the blocks title and content will be replaced and
the block footer will remain unchanged:
const reshape = require('reshape')
const layouts = require('reshape-layouts')
const html = '<extends src="base.html">' +
'<block name="title"><title>How to use reshape-layouts</title></block>' +
'<block name="content">Read the documentation</block>'
'</extends>'
reshape({
plugins: layouts({
encoding: 'utf8', // Parent template encoding (default: 'utf8')
root: './' // Path to parent template directory (default: './')
})
}).process(html)
.then((res) => res.output())The final HTML will be:
<html>
<head>
<title>How to use reshape-layouts</title>
</head>
<body>
<div class="content">Read the documentation</div>
<footer>footer content</footer>
</body>
</html>It's also possible to append and prepend block's content
const reshape = require('reshape')
const layouts = require('reshape-layouts')
const html = '<extends src="base.html">' +
'<block name="title" type="prepend">How to use reshape-layouts</block>' +
'<block name="content">Read the documentation</block>' +
'<block name="footer" type="append">— 2016</block>'
'</extends>'
reshape({ plugins: layouts() })
.process(html)
.then((res) => res.output())The final HTML will be:
<html>
<head>
<title>How to use reshape-layouts — Github</title>
</head>
<body>
<div class="content">Read the documentation</div>
<footer>footer content — 2016</footer>
</body>
</html>There are a number of tags that have their contents parsed as plaintext and cannot contain nested html tags. If you place a block tag inside any of these elements, it will not behave as expected, and instead will be rendered as plaintext. These are the tags that are content-only: title, noscript, noframes, style, script, xmp, iframe, noembed.
All options are optional, none are required.
| Name | Description | Default |
|---|---|---|
| root | root to resolve layout paths from | reshape filename option |
| encoding | encoding with which to read layout files | utf8 |
This plugin will report its dependencies in the standard format as dictated by reshape-loader if you pass dependencies: [] as an option to reshape when it runs. Dependencies will be available on the output object under the dependencies key. For example:
const reshape = require('reshape')
const include = require('reshape-layouts')
reshape({ plugins: [layouts()], dependencies: []})
.process(someHtml)
.then((res) => {
console.log(res.dependencies)
console.log(res.output())
})If you are using this with webpack, reshape-loader takes care of the dependency reporting and you don't have to do anything 😁
- Licensed under MIT
- See the contributing guide
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