Literal 0.8.3

Literal enhances the <template> element with JS literal expressions and incremental DOM rendering in reaction to changes in a signal graph.

Quick start

`<template is="literal-html">`

A literal-html template is replaced in the DOM with its own rendered content. HTML <template>s are allowed pretty much anywhere in a document, so literal-html templates enable you to freely mix islands of dynamically rendered content into your HTML.

Import literal-html/element.js to start rendering literal-html templates:

<script type="module" src="./build/literal-html/element.js"></script>

Every Literal template has a data object. In this example the default export of clock.js is imported as data and its time property rendered:

<template is="literal-html" src="./build/data/clock.js">
    <p>${ data.time.toFixed(0) } seconds since page load.</p>
</template>

${ data.time.toFixed(0) } seconds since page load.

When no data is explicitly imported Literal renders the template with an empty data object. In this example data is not used, and the template renders a stream of pointer events:

<template is="literal-html">
    <p>${ events('pointermove', body).map((e) => round(e.pageX)) }px</p>
</template>

${ events('pointermove', body).map((e) => round(e.pageX)) }px

Templates can include() other templates. Here, data is imported from a JSON file and an array of tasks is mapped to a collection of <li>s:

<template id="li-template">
    <li>${ data.text }</li>
</template>

<template is="literal-html" src="./data/todo.json">
    <ul>${ data.tasks.map(include('#li-template')) }</ul>
</template>

${ data.text }

${ data.tasks.map(include('#li-template')) }

Read more about literal-html templates
Read more about Literal template expressions

stephband/literal

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