Tech Lead at Taktile.
Formerly Firebase, Google
CORS Proxy fetchpAutomatically Backup Observable notebooks to GithubStarting Github Action Workflows From ObservableFirebase and Firebase UI (v8)Detect notebook runtime errors with catchAll((cellName, reason) => {...})notebookSnapshot()Reactive Unit Testing and Reporting FrameworkBulmaStripeRidiculously Rapid Software-as-a-Service (SaaS) development with Observable, Firebase and StripeUsing Express Router for Serverside CellsAWS Serverless Notebooks SimplifiedSVG Timeseries to GIFMetaprogramming with Peek [Not recommended for production user]AWS HelpersMixed Integer / Linear ProgrammingRedis Serialization Protocol (RESP) Client for the WebThe Google 'VS' trickaws4fetch@observablehq/inspector@5.0.1escodegen@2.1.0SortableJSTextFit@2.4.0CodeMirror 6 + Javascriptgolden-layout@2.6.0trackParent and preserveFocus
👋 Hello Nunjucks
options = ({
lstripBlocks: true, // automatically remove leading whitespace from a block/tag
trimBlocks: true, // automatically remove trailing newlines from a block/tag
configure: (env) => {
// Hook to perform additional configuration of the Environemnt (e.g. addFilters, addExtension)
}
})
import {
nunjucks,
tex,
md,
htl
} with { options } from "@tomlarkworthy/nunjucks-min"
nunjucks.renderString("Hello {{ username }}", { username: "James" })
template = nunjucks.compile("Hello {{ username }}")
template.render({ username: "James" })
Hello {{ username }}
helloExampleTemplate.render({ username: "James" })
{% macro callout(content) %}
<div style="border-radius: 10px;background-color: yellow;border: solid;padding:10px;padding-left: 50px; display: flex">
<span>💡<span>
<span>{{caller()}}</span>
</div>
{% endmacro %}
{% macro user(name) %}
<a href="https://observablehq.com/@{{name}}" target="_blank">@{{name}}</a>
{% endmacro %}
{# Comments in HTML #}
{% from ${definitions_njk} import callout %}
{% call callout() %}
Callout are useful for creating <b>readable</b> documentation. It's easy to encapsulate features like this into <i>macros</i>
{% endcall %}
{# Normally macros are imported from other templates #}
{% from ${definitions_njk} import user %}
This notebook was written by {{ user('tomlarkworthy') }}
Hello {{ ${username}}}
templateVariables.render() // Look no variable here
{# This is how you comment #}
Only this renders
<!DOCTYPE html>
<html>
<head>
{% block header %}{% endblock %}
</head>
<body>
{% block content %}{% endblock %}
</body>
{# DOES NOT WORK #}
<p> Tag expressions don't work in extends/imports: {{ ${new Date().toString()} }} </p>
{# the following will work if you set the data variable #}
<p> You need to set the variables manually in the child: {{ date }} </p>
</html>
{% set date = ${'🤘'} %}
{% extends ${base_njk} %}
{% block header %}
<h3>{{ ${title} }}</h3>
{% endblock %}
{% block content %}
<ul>
{% for name, item in ${items} %}
<li>{{ name }}: {{ item }}</li>
{% endfor %}
</ul>
{% endblock %}
{% macro user(name) %}
<a href="https://observablehq.com/@{{name}}">@{{name}}</a>
{% endmacro %}
{% from ${observable_njk} import user %}
Hi {{ user('tomlarkworthy') }}
One platform to build and deploy the best data apps
Experiment and prototype by building visualizations in live JavaScript notebooks. Collaborate with your team and decide which concepts to build out.
Use Observable Framework to build data apps locally. Use data loaders to build in any language or library, including Python, SQL, and R.
Seamlessly deploy to Observable. Test before you ship, use automatic deploy-on-commit, and ensure your projects are always up-to-date.